From bae189a53aaee31039b8500c691cfa703140157a Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Thu, 19 Mar 2026 00:10:32 +0000
Subject: [PATCH] Bump google.golang.org/grpc from 1.66.2 to 1.79.3

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.66.2 to 1.79.3.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.66.2...v1.79.3)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-version: 1.79.3
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 go.mod                                        |  12 +-
 go.sum                                        |  35 +-
 .../go/compute/metadata/CHANGES.md            |  63 ++
 .../go/compute/metadata/log.go                | 149 +++
 .../go/compute/metadata/metadata.go           | 291 ++++--
 .../go/compute/metadata/retry.go              |   3 +
 .../go/compute/metadata/syscheck.go           |   4 +-
 .../go/compute/metadata/syscheck_linux.go     |   4 +-
 .../go/compute/metadata/syscheck_windows.go   |   3 +-
 vendor/golang.org/x/net/http2/transport.go    | 160 ++-
 vendor/golang.org/x/net/trace/events.go       |   2 +-
 vendor/golang.org/x/oauth2/deviceauth.go      |  31 +-
 vendor/golang.org/x/oauth2/google/google.go   |   2 +-
 vendor/golang.org/x/oauth2/oauth2.go          |   2 +-
 vendor/golang.org/x/oauth2/pkce.go            |   2 +-
 vendor/golang.org/x/oauth2/token.go           |   2 +-
 vendor/golang.org/x/oauth2/transport.go       |   2 +-
 .../api/annotations/annotations.pb.go         |   2 +-
 .../googleapis/api/annotations/client.pb.go   | 747 ++++++++------
 .../api/annotations/field_behavior.pb.go      |   2 +-
 .../api/annotations/field_info.pb.go          |   2 +-
 .../googleapis/api/annotations/http.pb.go     |   8 +-
 .../googleapis/api/annotations/resource.pb.go |   7 +-
 .../googleapis/api/annotations/routing.pb.go  |   4 +-
 .../googleapis/api/launch_stage.pb.go         |   2 +-
 .../genproto/googleapis/rpc/code/code.pb.go   |   2 +-
 .../rpc/errdetails/error_details.pb.go        | 339 +++++--
 .../googleapis/rpc/status/status.pb.go        |   2 +-
 vendor/google.golang.org/grpc/CONTRIBUTING.md | 186 +++-
 vendor/google.golang.org/grpc/MAINTAINERS.md  |   8 +-
 vendor/google.golang.org/grpc/README.md       |   1 +
 .../grpc/balancer/balancer.go                 | 120 +--
 .../grpc/balancer/base/balancer.go            |  18 +-
 .../endpointsharding/endpointsharding.go      | 389 ++++++++
 .../grpclb/grpc_lb_v1/load_balancer.pb.go     | 480 +++------
 .../grpc_lb_v1/load_balancer_grpc.pb.go       |   4 +-
 .../grpc/balancer/grpclb/grpclb.go            |   2 +-
 .../grpc/balancer/grpclb/grpclb_picker.go     |   6 +-
 .../balancer/grpclb/grpclb_remote_balancer.go |  15 +-
 .../balancer/pickfirst/internal/internal.go   |  37 +
 .../grpc/balancer/pickfirst/pickfirst.go      | 918 +++++++++++++++---
 .../grpc/balancer/roundrobin/roundrobin.go    |  65 +-
 .../grpc/balancer/subconn.go                  | 120 +++
 .../grpc/balancer_wrapper.go                  | 210 +++-
 .../grpc_binarylog_v1/binarylog.pb.go         | 485 +++------
 vendor/google.golang.org/grpc/clientconn.go   | 328 +++++--
 vendor/google.golang.org/grpc/codec.go        |   2 +-
 .../grpc/credentials/alts/alts.go             |  10 +-
 .../credentials/alts/internal/conn/common.go  |  16 +-
 .../credentials/alts/internal/conn/record.go  |  81 +-
 .../alts/internal/handshaker/handshaker.go    |  16 +-
 .../internal/handshaker/service/service.go    |  17 +-
 .../internal/proto/grpc_gcp/altscontext.pb.go | 106 +-
 .../internal/proto/grpc_gcp/handshaker.pb.go  | 761 ++++++---------
 .../proto/grpc_gcp/handshaker_grpc.pb.go      |   4 +-
 .../grpc_gcp/transport_security_common.pb.go  | 235 +++--
 .../grpc/credentials/credentials.go           |  62 +-
 .../grpc/credentials/google/google.go         |  45 +-
 .../grpc/credentials/insecure/insecure.go     |  10 +-
 .../grpc/credentials/oauth/oauth.go           |   6 +-
 .../google.golang.org/grpc/credentials/tls.go |  85 +-
 vendor/google.golang.org/grpc/dialoptions.go  |  84 +-
 .../grpc/encoding/encoding.go                 |  24 +-
 .../grpc/encoding/gzip/gzip.go                |  12 -
 .../internal/internal.go}                     |  24 +-
 .../grpc/encoding/proto/proto.go              |  20 +-
 .../grpc/experimental/stats/metricregistry.go |  99 +-
 .../grpc/experimental/stats/metrics.go        | 139 +--
 .../grpc/grpclog/internal/logger.go           |   2 +-
 .../grpc/grpclog/internal/loggerv2.go         | 107 +-
 vendor/google.golang.org/grpc/interceptor.go  |  12 +-
 .../grpc/internal/backoff/backoff.go          |   2 +-
 .../balancer/gracefulswitch/config.go         |   2 +
 .../balancer/gracefulswitch/gracefulswitch.go |  32 +-
 .../grpc/internal/balancer/weight/weight.go   |  66 ++
 .../grpc/internal/binarylog/method_logger.go  |   2 +-
 .../grpc/internal/buffer/unbounded.go         |   1 +
 .../grpc/internal/channelz/channel.go         |  15 +
 .../grpc/internal/channelz/channelmap.go      |   7 -
 .../grpc/internal/channelz/funcs.go           |   2 +-
 .../grpc/internal/channelz/server.go          |   2 +
 .../grpc/internal/channelz/socket.go          |   7 +
 .../grpc/internal/channelz/subchannel.go      |   2 +
 .../internal/channelz/syscall_nonlinux.go     |   4 +-
 .../grpc/internal/channelz/trace.go           |  21 +-
 .../grpc/internal/credentials/credentials.go  |  14 -
 .../grpc/internal/envconfig/envconfig.go      |  74 +-
 .../grpc/internal/envconfig/xds.go            |  26 +
 .../grpc/internal/experimental.go             |   7 +
 .../grpc/internal/googlecloud/googlecloud.go  |   6 +-
 .../internal/grpcsync/callback_serializer.go  |  24 +-
 .../grpc/internal/grpcsync/event.go           |  19 +-
 .../grpc/internal/grpcutil/method.go          |   2 +-
 .../grpc/internal/idle/idle.go                |  81 +-
 .../grpc/internal/internal.go                 | 127 ++-
 .../grpc/internal/metadata/metadata.go        |  26 +-
 .../proxyattributes/proxyattributes.go        |  54 ++
 .../delegatingresolver/delegatingresolver.go  | 477 +++++++++
 .../internal/resolver/dns/dns_resolver.go     |  82 +-
 .../resolver/passthrough/passthrough.go       |   2 +-
 .../internal/stats/metrics_recorder_list.go   |  80 ++
 .../grpc/internal/stats/stats.go              |  70 ++
 .../grpc/internal/status/status.go            |  47 +-
 .../grpc/internal/syscall/syscall_nonlinux.go |   6 +-
 .../grpc/internal/transport/client_stream.go  | 156 +++
 .../grpc/internal/transport/controlbuf.go     | 133 +--
 .../grpc/internal/transport/flowcontrol.go    |  32 +-
 .../grpc/internal/transport/handler_server.go |  84 +-
 .../grpc/internal/transport/http2_client.go   | 454 ++++-----
 .../grpc/internal/transport/http2_server.go   | 289 +++---
 .../grpc/internal/transport/http_util.go      | 178 +++-
 .../grpc/internal/transport/proxy.go          |  62 +-
 .../grpc/internal/transport/server_stream.go  | 189 ++++
 .../grpc/internal/transport/transport.go      | 444 +++------
 .../grpc/internal/xds/clients/config.go       | 112 +++
 .../internal/xds/clients/transport_builder.go |  53 +
 .../grpc/internal/xds/xds.go                  |  85 +-
 .../grpc/keepalive/keepalive.go               |  20 +-
 .../google.golang.org/grpc/mem/buffer_pool.go |  31 +-
 .../grpc/mem/buffer_slice.go                  | 163 +++-
 vendor/google.golang.org/grpc/mem/buffers.go  | 101 +-
 .../google.golang.org/grpc/picker_wrapper.go  |  38 +-
 vendor/google.golang.org/grpc/preloader.go    |   7 +-
 .../grpc/resolver/manual/manual.go            |  34 +-
 vendor/google.golang.org/grpc/resolver/map.go | 174 ++--
 .../grpc/resolver/resolver.go                 |  31 +-
 .../grpc/resolver_wrapper.go                  |  37 +-
 vendor/google.golang.org/grpc/rpc_util.go     | 290 ++++--
 vendor/google.golang.org/grpc/server.go       | 266 ++---
 .../google.golang.org/grpc/service_config.go  |  22 +-
 .../google.golang.org/grpc/stats/handlers.go  |   9 +
 .../google.golang.org/grpc/stats/metrics.go   |  81 ++
 vendor/google.golang.org/grpc/stats/stats.go  | 129 +--
 vendor/google.golang.org/grpc/stream.go       | 592 ++++++-----
 .../grpc/stream_interfaces.go                 |  86 ++
 vendor/google.golang.org/grpc/version.go      |   2 +-
 vendor/modules.txt                            |  27 +-
 137 files changed, 8642 insertions(+), 4413 deletions(-)
 create mode 100644 vendor/cloud.google.com/go/compute/metadata/log.go
 create mode 100644 vendor/google.golang.org/grpc/balancer/endpointsharding/endpointsharding.go
 create mode 100644 vendor/google.golang.org/grpc/balancer/pickfirst/internal/internal.go
 create mode 100644 vendor/google.golang.org/grpc/balancer/subconn.go
 rename vendor/google.golang.org/grpc/{internal/grpcsync/oncefunc.go => encoding/internal/internal.go} (52%)
 create mode 100644 vendor/google.golang.org/grpc/internal/balancer/weight/weight.go
 create mode 100644 vendor/google.golang.org/grpc/internal/proxyattributes/proxyattributes.go
 create mode 100644 vendor/google.golang.org/grpc/internal/resolver/delegatingresolver/delegatingresolver.go
 create mode 100644 vendor/google.golang.org/grpc/internal/stats/stats.go
 create mode 100644 vendor/google.golang.org/grpc/internal/transport/client_stream.go
 create mode 100644 vendor/google.golang.org/grpc/internal/transport/server_stream.go
 create mode 100644 vendor/google.golang.org/grpc/internal/xds/clients/config.go
 create mode 100644 vendor/google.golang.org/grpc/internal/xds/clients/transport_builder.go
 create mode 100644 vendor/google.golang.org/grpc/stats/metrics.go

diff --git a/go.mod b/go.mod
index 6431aed3..7718fe5b 100644
--- a/go.mod
+++ b/go.mod
@@ -23,7 +23,7 @@ require (
 	go.opentelemetry.io/otel/sdk v1.39.0
 	go.opentelemetry.io/otel/sdk/metric v1.39.0
 	golang.org/x/sync v0.19.0
-	google.golang.org/grpc v1.66.2
+	google.golang.org/grpc v1.79.3
 	k8s.io/apimachinery v0.34.3
 )
 
@@ -31,7 +31,7 @@ require (
 	cloud.google.com/go v0.115.1 // indirect
 	cloud.google.com/go/auth v0.9.4 // indirect
 	cloud.google.com/go/auth/oauth2adapt v0.2.4 // indirect
-	cloud.google.com/go/compute/metadata v0.5.1 // indirect
+	cloud.google.com/go/compute/metadata v0.9.0 // indirect
 	cloud.google.com/go/iam v1.2.1 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
@@ -98,15 +98,15 @@ require (
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	golang.org/x/crypto v0.46.0 // indirect
 	golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 // indirect
-	golang.org/x/net v0.47.0 // indirect
-	golang.org/x/oauth2 v0.32.0 // indirect
+	golang.org/x/net v0.48.0 // indirect
+	golang.org/x/oauth2 v0.34.0 // indirect
 	golang.org/x/sys v0.39.0 // indirect
 	golang.org/x/text v0.32.0 // indirect
 	golang.org/x/time v0.9.0 // indirect
 	google.golang.org/api v0.198.0 // indirect
 	google.golang.org/genproto v0.0.0-20240903143218-8af14fe29dc1 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 // indirect
 	google.golang.org/protobuf v1.36.10 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
diff --git a/go.sum b/go.sum
index f77ca106..927a543d 100644
--- a/go.sum
+++ b/go.sum
@@ -5,8 +5,8 @@ cloud.google.com/go/auth v0.9.4 h1:DxF7imbEbiFu9+zdKC6cKBko1e8XeJnipNqIbWZ+kDI=
 cloud.google.com/go/auth v0.9.4/go.mod h1:SHia8n6//Ya940F1rLimhJCjjx7KE17t0ctFEci3HkA=
 cloud.google.com/go/auth/oauth2adapt v0.2.4 h1:0GWE/FUsXhf6C+jAkWgYm7X9tK8cuEIfy19DBn6B6bY=
 cloud.google.com/go/auth/oauth2adapt v0.2.4/go.mod h1:jC/jOpwFP6JBxhB3P5Rr0a9HLMC/Pe3eaL4NmdvqPtc=
-cloud.google.com/go/compute/metadata v0.5.1 h1:NM6oZeZNlYjiwYje+sYFjEpP0Q0zCan1bmQW/KmIrGs=
-cloud.google.com/go/compute/metadata v0.5.1/go.mod h1:C66sj2AluDcIqakBq/M8lw8/ybHgOZqin2obFxa/E5k=
+cloud.google.com/go/compute/metadata v0.9.0 h1:pDUj4QMoPejqq20dK0Pg2N4yG9zIkYGdBtwLoEkH9Zs=
+cloud.google.com/go/compute/metadata v0.9.0/go.mod h1:E0bWwX5wTnLPedCKqk3pJmVgCBSM6qQI1yTBdEb3C10=
 cloud.google.com/go/iam v1.2.1 h1:QFct02HRb7H12J/3utj0qf5tobFh9V4vR6h9eX5EBRU=
 cloud.google.com/go/iam v1.2.1/go.mod h1:3VUIJDPpwT6p/amXRC5GY8fCCh70lxPygguVtI0Z4/g=
 cloud.google.com/go/kms v1.19.0 h1:x0OVJDl6UH1BSX4THKlMfdcFWoE4ruh90ZHuilZekrU=
@@ -25,6 +25,8 @@ github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UF
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
+github.com/cncf/xds/go v0.0.0-20251210132809-ee656c7534f5 h1:6xNmx7iTtyBRev0+D/Tv1FZd4SCg8axKApyNyRsAt/w=
+github.com/cncf/xds/go v0.0.0-20251210132809-ee656c7534f5/go.mod h1:KdCmV+x/BuvyMxRnYBlmVaq4OLiKW6iRQfvC62cvdkI=
 github.com/cpuguy83/go-md2man/v2 v2.0.5 h1:ZtcqGrnekaHpVLArFSe4HK5DoKx1T0rq2DwVB0alcyc=
 github.com/cpuguy83/go-md2man/v2 v2.0.5/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -40,7 +42,12 @@ github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFP
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/go-control-plane v0.14.0 h1:hbG2kr4RuFj222B6+7T83thSPqLjwBIfQawTkC++2HA=
+github.com/envoyproxy/go-control-plane/envoy v1.36.0 h1:yg/JjO5E7ubRyKX3m07GF3reDNEnfOboJ0QySbH736g=
+github.com/envoyproxy/go-control-plane/envoy v1.36.0/go.mod h1:ty89S1YCCVruQAm9OtKeEkQLTb+Lkz0k8v9W0Oxsv98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/envoyproxy/protoc-gen-validate v1.3.0 h1:TvGH1wof4H33rezVKWSpqKz5NXWg5VPuZ0uONDT6eb4=
+github.com/envoyproxy/protoc-gen-validate v1.3.0/go.mod h1:HvYl7zwPa5mffgyeTUHA9zHIH36nmrm7oCbo4YKoSWA=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=
@@ -163,6 +170,8 @@ github.com/pelletier/go-toml/v2 v2.2.3 h1:YmeHyLY8mFWbdkNWwpr+qIL2bEqT0o95WSdkNH
 github.com/pelletier/go-toml/v2 v2.2.3/go.mod h1:MfCQTFTvCcUyyvvwm1+G6H/jORL20Xlb6rzQu9GuUkc=
 github.com/pierrec/lz4/v4 v4.1.21 h1:yOVMLb6qSIDP67pl/5F7RepeKYu/VmTyEXvuMI5d9mQ=
 github.com/pierrec/lz4/v4 v4.1.21/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
+github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 h1:GFCKgmp0tecUJ0sJuv4pzYCqS9+RGSn52M3FUwPs+uo=
+github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10/go.mod h1:t/avpk3KcrXxUnYOhZhMXJlSEyie6gQbtLq5NM3loB8=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
@@ -274,11 +283,11 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
-golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
-golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
+golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU=
+golang.org/x/net v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
-golang.org/x/oauth2 v0.32.0 h1:jsCblLleRMDrxMN29H3z/k1KliIvpLgCkE6R8FXXNgY=
-golang.org/x/oauth2 v0.32.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=
+golang.org/x/oauth2 v0.34.0 h1:hqK/t4AKgbqWkdkcAeI8XLmbK+4m4G5YeQRrmiotGlw=
+golang.org/x/oauth2 v0.34.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -316,6 +325,8 @@ golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
+gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
 google.golang.org/api v0.198.0 h1:OOH5fZatk57iN0A7tjJQzt6aPfYQ1JiWkt1yGseazks=
 google.golang.org/api v0.198.0/go.mod h1:/Lblzl3/Xqqk9hw/yS97TImKTUwnf1bv89v7+OagJzc=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
@@ -325,17 +336,17 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
 google.golang.org/genproto v0.0.0-20240903143218-8af14fe29dc1 h1:BulPr26Jqjnd4eYDVe+YvyR7Yc2vJGkO5/0UxD0/jZU=
 google.golang.org/genproto v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:hL97c3SYopEHblzpxRL4lSs523++l8DYxGM1FQiYmb4=
-google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1 h1:hjSy6tcFQZ171igDaN5QHOw2n6vx40juYbC/x67CEhc=
-google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:qpvKtACPCQhAdu3PyQgV4l3LMXZEtft7y8QcarRsp9I=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
+google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217 h1:fCvbg86sFXwdrl5LgVcTEvNC+2txB5mgROGmRL5mrls=
+google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217/go.mod h1:+rXWjjaukWZun3mLfjmVnQi18E1AsFbDN9QdJ5YXLto=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 h1:gRkg/vSppuSQoDjxyiGfN4Upv/h/DQmIR10ZU8dh4Ww=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.66.2 h1:3QdXkuq3Bkh7w+ywLdLvM56cmGvQHUMZpiCzt6Rqaoo=
-google.golang.org/grpc v1.66.2/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
+google.golang.org/grpc v1.79.3 h1:sybAEdRIEtvcD68Gx7dmnwjZKlyfuc61Dyo9pGXXkKE=
+google.golang.org/grpc v1.79.3/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
diff --git a/vendor/cloud.google.com/go/compute/metadata/CHANGES.md b/vendor/cloud.google.com/go/compute/metadata/CHANGES.md
index 811b6a0d..e384683c 100644
--- a/vendor/cloud.google.com/go/compute/metadata/CHANGES.md
+++ b/vendor/cloud.google.com/go/compute/metadata/CHANGES.md
@@ -1,5 +1,68 @@
 # Changes
 
+## [0.9.0](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.8.4...compute/metadata/v0.9.0) (2025-09-24)
+
+
+### Features
+
+* **compute/metadata:** Retry on HTTP 429 ([#12932](https://github.com/googleapis/google-cloud-go/issues/12932)) ([1e91f5c](https://github.com/googleapis/google-cloud-go/commit/1e91f5c07acacd38ecdd4ff3e83e092b745e0bc2))
+
+## [0.8.4](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.8.3...compute/metadata/v0.8.4) (2025-09-18)
+
+
+### Bug Fixes
+
+* **compute/metadata:** Set subClient for UseDefaultClient case ([#12911](https://github.com/googleapis/google-cloud-go/issues/12911)) ([9e2646b](https://github.com/googleapis/google-cloud-go/commit/9e2646b1821231183fd775bb107c062865eeaccd))
+
+## [0.8.3](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.8.2...compute/metadata/v0.8.3) (2025-09-17)
+
+
+### Bug Fixes
+
+* **compute/metadata:** Disable Client timeouts for subscription client ([#12910](https://github.com/googleapis/google-cloud-go/issues/12910)) ([187a58a](https://github.com/googleapis/google-cloud-go/commit/187a58a540494e1e8562b046325b8cad8cf7af4a))
+
+## [0.8.2](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.8.1...compute/metadata/v0.8.2) (2025-09-17)
+
+
+### Bug Fixes
+
+* **compute/metadata:** Racy test and uninitialized subClient ([#12892](https://github.com/googleapis/google-cloud-go/issues/12892)) ([4943ca2](https://github.com/googleapis/google-cloud-go/commit/4943ca2bf83908a23806247bc4252dfb440d09cc)), refs [#12888](https://github.com/googleapis/google-cloud-go/issues/12888)
+
+## [0.8.1](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.8.0...compute/metadata/v0.8.1) (2025-09-16)
+
+
+### Bug Fixes
+
+* **compute/metadata:** Use separate client for subscribe methods  ([#12885](https://github.com/googleapis/google-cloud-go/issues/12885)) ([76b80f8](https://github.com/googleapis/google-cloud-go/commit/76b80f8df9bf9339d175407e8c15936fe1ac1c9c))
+
+## [0.8.0](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.7.0...compute/metadata/v0.8.0) (2025-08-06)
+
+
+### Features
+
+* **compute/metadata:** Add Options.UseDefaultClient ([#12657](https://github.com/googleapis/google-cloud-go/issues/12657)) ([1a88209](https://github.com/googleapis/google-cloud-go/commit/1a8820900f20e038291c4bb2c5284a449196e81f)), refs [#11078](https://github.com/googleapis/google-cloud-go/issues/11078)
+
+## [0.7.0](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.6.0...compute/metadata/v0.7.0) (2025-05-13)
+
+
+### Features
+
+* **compute/metadata:** Allow canceling GCE detection ([#11786](https://github.com/googleapis/google-cloud-go/issues/11786)) ([78100fe](https://github.com/googleapis/google-cloud-go/commit/78100fe7e28cd30f1e10b47191ac3c9839663b64))
+
+## [0.6.0](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.5.2...compute/metadata/v0.6.0) (2024-12-13)
+
+
+### Features
+
+* **compute/metadata:** Add debug logging ([#11078](https://github.com/googleapis/google-cloud-go/issues/11078)) ([a816814](https://github.com/googleapis/google-cloud-go/commit/a81681463906e4473570a2f426eb0dc2de64e53f))
+
+## [0.5.2](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.5.1...compute/metadata/v0.5.2) (2024-09-20)
+
+
+### Bug Fixes
+
+* **compute/metadata:** Close Response Body for failed request ([#10891](https://github.com/googleapis/google-cloud-go/issues/10891)) ([e91d45e](https://github.com/googleapis/google-cloud-go/commit/e91d45e4757a9e354114509ba9800085d9e0ff1f))
+
 ## [0.5.1](https://github.com/googleapis/google-cloud-go/compare/compute/metadata/v0.5.0...compute/metadata/v0.5.1) (2024-09-12)
 
 
diff --git a/vendor/cloud.google.com/go/compute/metadata/log.go b/vendor/cloud.google.com/go/compute/metadata/log.go
new file mode 100644
index 00000000..8ec673b8
--- /dev/null
+++ b/vendor/cloud.google.com/go/compute/metadata/log.go
@@ -0,0 +1,149 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package metadata
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"strings"
+)
+
+// Code below this point is copied from github.com/googleapis/gax-go/v2/internallog
+// to avoid the dependency. The compute/metadata module is used by too many
+// non-client library modules that can't justify the dependency.
+
+// The handler returned if logging is not enabled.
+type noOpHandler struct{}
+
+func (h noOpHandler) Enabled(_ context.Context, _ slog.Level) bool {
+	return false
+}
+
+func (h noOpHandler) Handle(_ context.Context, _ slog.Record) error {
+	return nil
+}
+
+func (h noOpHandler) WithAttrs(_ []slog.Attr) slog.Handler {
+	return h
+}
+
+func (h noOpHandler) WithGroup(_ string) slog.Handler {
+	return h
+}
+
+// httpRequest returns a lazily evaluated [slog.LogValuer] for a
+// [http.Request] and the associated body.
+func httpRequest(req *http.Request, body []byte) slog.LogValuer {
+	return &request{
+		req:     req,
+		payload: body,
+	}
+}
+
+type request struct {
+	req     *http.Request
+	payload []byte
+}
+
+func (r *request) LogValue() slog.Value {
+	if r == nil || r.req == nil {
+		return slog.Value{}
+	}
+	var groupValueAttrs []slog.Attr
+	groupValueAttrs = append(groupValueAttrs, slog.String("method", r.req.Method))
+	groupValueAttrs = append(groupValueAttrs, slog.String("url", r.req.URL.String()))
+
+	var headerAttr []slog.Attr
+	for k, val := range r.req.Header {
+		headerAttr = append(headerAttr, slog.String(k, strings.Join(val, ",")))
+	}
+	if len(headerAttr) > 0 {
+		groupValueAttrs = append(groupValueAttrs, slog.Any("headers", headerAttr))
+	}
+
+	if len(r.payload) > 0 {
+		if attr, ok := processPayload(r.payload); ok {
+			groupValueAttrs = append(groupValueAttrs, attr)
+		}
+	}
+	return slog.GroupValue(groupValueAttrs...)
+}
+
+// httpResponse returns a lazily evaluated [slog.LogValuer] for a
+// [http.Response] and the associated body.
+func httpResponse(resp *http.Response, body []byte) slog.LogValuer {
+	return &response{
+		resp:    resp,
+		payload: body,
+	}
+}
+
+type response struct {
+	resp    *http.Response
+	payload []byte
+}
+
+func (r *response) LogValue() slog.Value {
+	if r == nil {
+		return slog.Value{}
+	}
+	var groupValueAttrs []slog.Attr
+	groupValueAttrs = append(groupValueAttrs, slog.String("status", fmt.Sprint(r.resp.StatusCode)))
+
+	var headerAttr []slog.Attr
+	for k, val := range r.resp.Header {
+		headerAttr = append(headerAttr, slog.String(k, strings.Join(val, ",")))
+	}
+	if len(headerAttr) > 0 {
+		groupValueAttrs = append(groupValueAttrs, slog.Any("headers", headerAttr))
+	}
+
+	if len(r.payload) > 0 {
+		if attr, ok := processPayload(r.payload); ok {
+			groupValueAttrs = append(groupValueAttrs, attr)
+		}
+	}
+	return slog.GroupValue(groupValueAttrs...)
+}
+
+func processPayload(payload []byte) (slog.Attr, bool) {
+	peekChar := payload[0]
+	if peekChar == '{' {
+		// JSON object
+		var m map[string]any
+		if err := json.Unmarshal(payload, &m); err == nil {
+			return slog.Any("payload", m), true
+		}
+	} else if peekChar == '[' {
+		// JSON array
+		var m []any
+		if err := json.Unmarshal(payload, &m); err == nil {
+			return slog.Any("payload", m), true
+		}
+	} else {
+		// Everything else
+		buf := &bytes.Buffer{}
+		if err := json.Compact(buf, payload); err != nil {
+			// Write raw payload incase of error
+			buf.Write(payload)
+		}
+		return slog.String("payload", buf.String()), true
+	}
+	return slog.Attr{}, false
+}
diff --git a/vendor/cloud.google.com/go/compute/metadata/metadata.go b/vendor/cloud.google.com/go/compute/metadata/metadata.go
index 345080b7..6bd18916 100644
--- a/vendor/cloud.google.com/go/compute/metadata/metadata.go
+++ b/vendor/cloud.google.com/go/compute/metadata/metadata.go
@@ -22,8 +22,10 @@ package metadata // import "cloud.google.com/go/compute/metadata"
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
+	"log/slog"
 	"net"
 	"net/http"
 	"net/url"
@@ -60,19 +62,27 @@ var (
 	instID  = &cachedValue{k: "instance/id", trim: true}
 )
 
-var defaultClient = &Client{hc: newDefaultHTTPClient()}
+var defaultClient = &Client{
+	hc:        newDefaultHTTPClient(true),
+	subClient: newDefaultHTTPClient(false),
+	logger:    slog.New(noOpHandler{}),
+}
 
-func newDefaultHTTPClient() *http.Client {
-	return &http.Client{
-		Transport: &http.Transport{
-			Dial: (&net.Dialer{
-				Timeout:   2 * time.Second,
-				KeepAlive: 30 * time.Second,
-			}).Dial,
-			IdleConnTimeout: 60 * time.Second,
-		},
-		Timeout: 5 * time.Second,
+func newDefaultHTTPClient(enableTimeouts bool) *http.Client {
+	transport := &http.Transport{
+		Dial: (&net.Dialer{
+			Timeout:   2 * time.Second,
+			KeepAlive: 30 * time.Second,
+		}).Dial,
+	}
+	c := &http.Client{
+		Transport: transport,
 	}
+	if enableTimeouts {
+		transport.IdleConnTimeout = 60 * time.Second
+		c.Timeout = 5 * time.Second
+	}
+	return c
 }
 
 // NotDefinedError is returned when requested metadata is not defined.
@@ -113,80 +123,18 @@ var (
 // NOTE: True returned from `OnGCE` does not guarantee that the metadata server
 // is accessible from this process and have all the metadata defined.
 func OnGCE() bool {
-	onGCEOnce.Do(initOnGCE)
-	return onGCE
+	return OnGCEWithContext(context.Background())
 }
 
-func initOnGCE() {
-	onGCE = testOnGCE()
-}
-
-func testOnGCE() bool {
-	// The user explicitly said they're on GCE, so trust them.
-	if os.Getenv(metadataHostEnv) != "" {
-		return true
-	}
-
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-
-	resc := make(chan bool, 2)
-
-	// Try two strategies in parallel.
-	// See https://github.com/googleapis/google-cloud-go/issues/194
-	go func() {
-		req, _ := http.NewRequest("GET", "http://"+metadataIP, nil)
-		req.Header.Set("User-Agent", userAgent)
-		res, err := newDefaultHTTPClient().Do(req.WithContext(ctx))
-		if err != nil {
-			resc <- false
-			return
-		}
-		defer res.Body.Close()
-		resc <- res.Header.Get("Metadata-Flavor") == "Google"
-	}()
-
-	go func() {
-		resolver := &net.Resolver{}
-		addrs, err := resolver.LookupHost(ctx, "metadata.google.internal.")
-		if err != nil || len(addrs) == 0 {
-			resc <- false
-			return
-		}
-		resc <- strsContains(addrs, metadataIP)
-	}()
-
-	tryHarder := systemInfoSuggestsGCE()
-	if tryHarder {
-		res := <-resc
-		if res {
-			// The first strategy succeeded, so let's use it.
-			return true
-		}
-		// Wait for either the DNS or metadata server probe to
-		// contradict the other one and say we are running on
-		// GCE. Give it a lot of time to do so, since the system
-		// info already suggests we're running on a GCE BIOS.
-		timer := time.NewTimer(5 * time.Second)
-		defer timer.Stop()
-		select {
-		case res = <-resc:
-			return res
-		case <-timer.C:
-			// Too slow. Who knows what this system is.
-			return false
-		}
-	}
-
-	// There's no hint from the system info that we're running on
-	// GCE, so use the first probe's result as truth, whether it's
-	// true or false. The goal here is to optimize for speed for
-	// users who are NOT running on GCE. We can't assume that
-	// either a DNS lookup or an HTTP request to a blackholed IP
-	// address is fast. Worst case this should return when the
-	// metaClient's Transport.ResponseHeaderTimeout or
-	// Transport.Dial.Timeout fires (in two seconds).
-	return <-resc
+// OnGCEWithContext reports whether this process is running on Google Compute Platforms.
+// This function's return value is memoized for better performance.
+// NOTE: True returned from `OnGCEWithContext` does not guarantee that the metadata server
+// is accessible from this process and have all the metadata defined.
+func OnGCEWithContext(ctx context.Context) bool {
+	onGCEOnce.Do(func() {
+		onGCE = defaultClient.OnGCEWithContext(ctx)
+	})
+	return onGCE
 }
 
 // Subscribe calls Client.SubscribeWithContext on the default client.
@@ -409,21 +357,160 @@ func strsContains(ss []string, s string) bool {
 // A Client provides metadata.
 type Client struct {
 	hc *http.Client
+	// subClient by default is a HTTP Client that is only used for subscribe
+	// methods that should not specify a timeout. If the user specifies a client
+	// this with be the same as 'hc'.
+	subClient *http.Client
+	logger    *slog.Logger
+}
+
+// Options for configuring a [Client].
+type Options struct {
+	// Client is the HTTP client used to make requests. Optional.
+	// If UseDefaultClient is true, this field is ignored.
+	// If this field is nil, a new default http.Client will be created.
+	Client *http.Client
+	// Logger is used to log information about HTTP request and responses.
+	// If not provided, nothing will be logged. Optional.
+	Logger *slog.Logger
+	// UseDefaultClient specifies that the client should use the same default
+	// internal http.Client that is used in functions such as GetWithContext.
+	// This is useful for sharing a single TCP connection pool across requests.
+	// The difference vs GetWithContext is the ability to use this struct
+	// to provide a custom logger. If this field is true, the Client
+	// field is ignored.
+	UseDefaultClient bool
 }
 
 // NewClient returns a Client that can be used to fetch metadata.
 // Returns the client that uses the specified http.Client for HTTP requests.
-// If nil is specified, returns the default client.
+// If nil is specified, returns the default internal Client that is
+// also used in functions such as GetWithContext. This is useful for sharing
+// a single TCP connection pool across requests.
 func NewClient(c *http.Client) *Client {
 	if c == nil {
+		// Preserve original behavior for nil argument.
 		return defaultClient
 	}
-	return &Client{hc: c}
+	// Return a new client with a no-op logger for backward compatibility.
+	return &Client{hc: c, subClient: c, logger: slog.New(noOpHandler{})}
+}
+
+// NewWithOptions returns a Client that is configured with the provided Options.
+func NewWithOptions(opts *Options) *Client {
+	// Preserve original behavior for nil opts.
+	if opts == nil {
+		return defaultClient
+	}
+
+	// Handle explicit request for the internal default http.Client.
+	if opts.UseDefaultClient {
+		logger := opts.Logger
+		if logger == nil {
+			logger = slog.New(noOpHandler{})
+		}
+		return &Client{hc: defaultClient.hc, subClient: defaultClient.subClient, logger: logger}
+	}
+
+	// Handle isolated client creation.
+	client := opts.Client
+	subClient := opts.Client
+	if client == nil {
+		client = newDefaultHTTPClient(true)
+		subClient = newDefaultHTTPClient(false)
+	}
+	logger := opts.Logger
+	if logger == nil {
+		logger = slog.New(noOpHandler{})
+	}
+	return &Client{hc: client, subClient: subClient, logger: logger}
+}
+
+// NOTE: metadataRequestStrategy is assigned to a variable for test stubbing purposes.
+var metadataRequestStrategy = func(ctx context.Context, httpClient *http.Client, resc chan bool) {
+	req, _ := http.NewRequest("GET", "http://"+metadataIP, nil)
+	req.Header.Set("User-Agent", userAgent)
+	res, err := httpClient.Do(req.WithContext(ctx))
+	if err != nil {
+		resc <- false
+		return
+	}
+	defer res.Body.Close()
+	resc <- res.Header.Get("Metadata-Flavor") == "Google"
+}
+
+// NOTE: dnsRequestStrategy is assigned to a variable for test stubbing purposes.
+var dnsRequestStrategy = func(ctx context.Context, resc chan bool) {
+	resolver := &net.Resolver{}
+	addrs, err := resolver.LookupHost(ctx, "metadata.google.internal.")
+	if err != nil || len(addrs) == 0 {
+		resc <- false
+		return
+	}
+	resc <- strsContains(addrs, metadataIP)
+}
+
+// OnGCEWithContext reports whether this process is running on Google Compute Platforms.
+// NOTE: True returned from `OnGCEWithContext` does not guarantee that the metadata server
+// is accessible from this process and have all the metadata defined.
+func (c *Client) OnGCEWithContext(ctx context.Context) bool {
+	// The user explicitly said they're on GCE, so trust them.
+	if os.Getenv(metadataHostEnv) != "" {
+		return true
+	}
+
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
+
+	resc := make(chan bool, 2)
+
+	// Try two strategies in parallel.
+	// See https://github.com/googleapis/google-cloud-go/issues/194
+	go metadataRequestStrategy(ctx, c.hc, resc)
+	go dnsRequestStrategy(ctx, resc)
+
+	tryHarder := systemInfoSuggestsGCE()
+	if tryHarder {
+		res := <-resc
+		if res {
+			// The first strategy succeeded, so let's use it.
+			return true
+		}
+
+		// Wait for either the DNS or metadata server probe to
+		// contradict the other one and say we are running on
+		// GCE. Give it a lot of time to do so, since the system
+		// info already suggests we're running on a GCE BIOS.
+		// Ensure cancellations from the calling context are respected.
+		waitContext, cancelWait := context.WithTimeout(ctx, 5*time.Second)
+		defer cancelWait()
+		select {
+		case res = <-resc:
+			return res
+		case <-waitContext.Done():
+			// Too slow. Who knows what this system is.
+			return false
+		}
+	}
+
+	// There's no hint from the system info that we're running on
+	// GCE, so use the first probe's result as truth, whether it's
+	// true or false. The goal here is to optimize for speed for
+	// users who are NOT running on GCE. We can't assume that
+	// either a DNS lookup or an HTTP request to a blackholed IP
+	// address is fast. Worst case this should return when the
+	// metaClient's Transport.ResponseHeaderTimeout or
+	// Transport.Dial.Timeout fires (in two seconds).
+	return <-resc
 }
 
 // getETag returns a value from the metadata service as well as the associated ETag.
 // This func is otherwise equivalent to Get.
 func (c *Client) getETag(ctx context.Context, suffix string) (value, etag string, err error) {
+	return c.getETagWithSubClient(ctx, suffix, false)
+}
+
+func (c *Client) getETagWithSubClient(ctx context.Context, suffix string, enableSubClient bool) (value, etag string, err error) {
 	// Using a fixed IP makes it very difficult to spoof the metadata service in
 	// a container, which is an important use-case for local testing of cloud
 	// deployments. To enable spoofing of the metadata service, the environment
@@ -448,14 +535,30 @@ func (c *Client) getETag(ctx context.Context, suffix string) (value, etag string
 	req.Header.Set("User-Agent", userAgent)
 	var res *http.Response
 	var reqErr error
+	var body []byte
 	retryer := newRetryer()
+	hc := c.hc
+	if enableSubClient {
+		hc = c.subClient
+	}
 	for {
-		res, reqErr = c.hc.Do(req)
+		c.logger.DebugContext(ctx, "metadata request", "request", httpRequest(req, nil))
+		res, reqErr = hc.Do(req)
 		var code int
 		if res != nil {
 			code = res.StatusCode
+			body, err = io.ReadAll(res.Body)
+			if err != nil {
+				res.Body.Close()
+				return "", "", err
+			}
+			c.logger.DebugContext(ctx, "metadata response", "response", httpResponse(res, body))
+			res.Body.Close()
 		}
 		if delay, shouldRetry := retryer.Retry(code, reqErr); shouldRetry {
+			if res != nil && res.Body != nil {
+				res.Body.Close()
+			}
 			if err := sleep(ctx, delay); err != nil {
 				return "", "", err
 			}
@@ -466,18 +569,13 @@ func (c *Client) getETag(ctx context.Context, suffix string) (value, etag string
 	if reqErr != nil {
 		return "", "", reqErr
 	}
-	defer res.Body.Close()
 	if res.StatusCode == http.StatusNotFound {
 		return "", "", NotDefinedError(suffix)
 	}
-	all, err := io.ReadAll(res.Body)
-	if err != nil {
-		return "", "", err
-	}
 	if res.StatusCode != 200 {
-		return "", "", &Error{Code: res.StatusCode, Message: string(all)}
+		return "", "", &Error{Code: res.StatusCode, Message: string(body)}
 	}
-	return string(all), res.Header.Get("Etag"), nil
+	return string(body), res.Header.Get("Etag"), nil
 }
 
 // Get returns a value from the metadata service.
@@ -791,7 +889,7 @@ func (c *Client) SubscribeWithContext(ctx context.Context, suffix string, fn fun
 	const failedSubscribeSleep = time.Second * 5
 
 	// First check to see if the metadata value exists at all.
-	val, lastETag, err := c.getETag(ctx, suffix)
+	val, lastETag, err := c.getETagWithSubClient(ctx, suffix, true)
 	if err != nil {
 		return err
 	}
@@ -807,8 +905,11 @@ func (c *Client) SubscribeWithContext(ctx context.Context, suffix string, fn fun
 		suffix += "?wait_for_change=true&last_etag="
 	}
 	for {
-		val, etag, err := c.getETag(ctx, suffix+url.QueryEscape(lastETag))
+		val, etag, err := c.getETagWithSubClient(ctx, suffix+url.QueryEscape(lastETag), true)
 		if err != nil {
+			if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {
+				return err
+			}
 			if _, deleted := err.(NotDefinedError); !deleted {
 				time.Sleep(failedSubscribeSleep)
 				continue // Retry on other errors.
diff --git a/vendor/cloud.google.com/go/compute/metadata/retry.go b/vendor/cloud.google.com/go/compute/metadata/retry.go
index 3d4bc75d..d516f30f 100644
--- a/vendor/cloud.google.com/go/compute/metadata/retry.go
+++ b/vendor/cloud.google.com/go/compute/metadata/retry.go
@@ -95,6 +95,9 @@ func shouldRetry(status int, err error) bool {
 	if 500 <= status && status <= 599 {
 		return true
 	}
+	if status == http.StatusTooManyRequests {
+		return true
+	}
 	if err == io.ErrUnexpectedEOF {
 		return true
 	}
diff --git a/vendor/cloud.google.com/go/compute/metadata/syscheck.go b/vendor/cloud.google.com/go/compute/metadata/syscheck.go
index e0704fa6..d57ae1b2 100644
--- a/vendor/cloud.google.com/go/compute/metadata/syscheck.go
+++ b/vendor/cloud.google.com/go/compute/metadata/syscheck.go
@@ -20,7 +20,9 @@ package metadata
 // doing network requests) suggests that we're running on GCE. If this
 // returns true, testOnGCE tries a bit harder to reach its metadata
 // server.
-func systemInfoSuggestsGCE() bool {
+//
+// NOTE: systemInfoSuggestsGCE is assigned to a varible for test stubbing purposes.
+var systemInfoSuggestsGCE = func() bool {
 	// We don't currently have checks for other GOOS
 	return false
 }
diff --git a/vendor/cloud.google.com/go/compute/metadata/syscheck_linux.go b/vendor/cloud.google.com/go/compute/metadata/syscheck_linux.go
index 74689acb..17ba5a3a 100644
--- a/vendor/cloud.google.com/go/compute/metadata/syscheck_linux.go
+++ b/vendor/cloud.google.com/go/compute/metadata/syscheck_linux.go
@@ -21,8 +21,10 @@ import (
 	"strings"
 )
 
-func systemInfoSuggestsGCE() bool {
+// NOTE: systemInfoSuggestsGCE is assigned to a varible for test stubbing purposes.
+var systemInfoSuggestsGCE = func() bool {
 	b, _ := os.ReadFile("/sys/class/dmi/id/product_name")
+
 	name := strings.TrimSpace(string(b))
 	return name == "Google" || name == "Google Compute Engine"
 }
diff --git a/vendor/cloud.google.com/go/compute/metadata/syscheck_windows.go b/vendor/cloud.google.com/go/compute/metadata/syscheck_windows.go
index c0ce6278..f57a5b14 100644
--- a/vendor/cloud.google.com/go/compute/metadata/syscheck_windows.go
+++ b/vendor/cloud.google.com/go/compute/metadata/syscheck_windows.go
@@ -22,7 +22,8 @@ import (
 	"golang.org/x/sys/windows/registry"
 )
 
-func systemInfoSuggestsGCE() bool {
+// NOTE: systemInfoSuggestsGCE is assigned to a varible for test stubbing purposes.
+var systemInfoSuggestsGCE = func() bool {
 	k, err := registry.OpenKey(registry.LOCAL_MACHINE, `SYSTEM\HardwareConfig\Current`, registry.QUERY_VALUE)
 	if err != nil {
 		return false
diff --git a/vendor/golang.org/x/net/http2/transport.go b/vendor/golang.org/x/net/http2/transport.go
index 1965913e..ccb87e6d 100644
--- a/vendor/golang.org/x/net/http2/transport.go
+++ b/vendor/golang.org/x/net/http2/transport.go
@@ -376,11 +376,24 @@ type ClientConn struct {
 	// completely unresponsive connection.
 	pendingResets int
 
+	// readBeforeStreamID is the smallest stream ID that has not been followed by
+	// a frame read from the peer. We use this to determine when a request may
+	// have been sent to a completely unresponsive connection:
+	// If the request ID is less than readBeforeStreamID, then we have had some
+	// indication of life on the connection since sending the request.
+	readBeforeStreamID uint32
+
 	// reqHeaderMu is a 1-element semaphore channel controlling access to sending new requests.
 	// Write to reqHeaderMu to lock it, read from it to unlock.
 	// Lock reqmu BEFORE mu or wmu.
 	reqHeaderMu chan struct{}
 
+	// internalStateHook reports state changes back to the net/http.ClientConn.
+	// Note that this is different from the user state hook registered by
+	// net/http.ClientConn.SetStateHook: The internal hook calls ClientConn,
+	// which calls the user hook.
+	internalStateHook func()
+
 	// wmu is held while writing.
 	// Acquire BEFORE mu when holding both, to avoid blocking mu on network writes.
 	// Only acquire both at the same time when changing peer settings.
@@ -710,7 +723,7 @@ func canRetryError(err error) bool {
 
 func (t *Transport) dialClientConn(ctx context.Context, addr string, singleUse bool) (*ClientConn, error) {
 	if t.transportTestHooks != nil {
-		return t.newClientConn(nil, singleUse)
+		return t.newClientConn(nil, singleUse, nil)
 	}
 	host, _, err := net.SplitHostPort(addr)
 	if err != nil {
@@ -720,7 +733,7 @@ func (t *Transport) dialClientConn(ctx context.Context, addr string, singleUse b
 	if err != nil {
 		return nil, err
 	}
-	return t.newClientConn(tconn, singleUse)
+	return t.newClientConn(tconn, singleUse, nil)
 }
 
 func (t *Transport) newTLSConfig(host string) *tls.Config {
@@ -772,10 +785,10 @@ func (t *Transport) expectContinueTimeout() time.Duration {
 }
 
 func (t *Transport) NewClientConn(c net.Conn) (*ClientConn, error) {
-	return t.newClientConn(c, t.disableKeepAlives())
+	return t.newClientConn(c, t.disableKeepAlives(), nil)
 }
 
-func (t *Transport) newClientConn(c net.Conn, singleUse bool) (*ClientConn, error) {
+func (t *Transport) newClientConn(c net.Conn, singleUse bool, internalStateHook func()) (*ClientConn, error) {
 	conf := configFromTransport(t)
 	cc := &ClientConn{
 		t:                           t,
@@ -797,6 +810,7 @@ func (t *Transport) newClientConn(c net.Conn, singleUse bool) (*ClientConn, erro
 		pings:                       make(map[[8]byte]chan struct{}),
 		reqHeaderMu:                 make(chan struct{}, 1),
 		lastActive:                  time.Now(),
+		internalStateHook:           internalStateHook,
 	}
 	if t.transportTestHooks != nil {
 		t.transportTestHooks.newclientconn(cc)
@@ -1037,10 +1051,7 @@ func (cc *ClientConn) idleStateLocked() (st clientConnIdleState) {
 		maxConcurrentOkay = cc.currentRequestCountLocked() < int(cc.maxConcurrentStreams)
 	}
 
-	st.canTakeNewRequest = cc.goAway == nil && !cc.closed && !cc.closing && maxConcurrentOkay &&
-		!cc.doNotReuse &&
-		int64(cc.nextStreamID)+2*int64(cc.pendingRequests) < math.MaxInt32 &&
-		!cc.tooIdleLocked()
+	st.canTakeNewRequest = maxConcurrentOkay && cc.isUsableLocked()
 
 	// If this connection has never been used for a request and is closed,
 	// then let it take a request (which will fail).
@@ -1056,6 +1067,31 @@ func (cc *ClientConn) idleStateLocked() (st clientConnIdleState) {
 	return
 }
 
+func (cc *ClientConn) isUsableLocked() bool {
+	return cc.goAway == nil &&
+		!cc.closed &&
+		!cc.closing &&
+		!cc.doNotReuse &&
+		int64(cc.nextStreamID)+2*int64(cc.pendingRequests) < math.MaxInt32 &&
+		!cc.tooIdleLocked()
+}
+
+// canReserveLocked reports whether a net/http.ClientConn can reserve a slot on this conn.
+//
+// This follows slightly different rules than clientConnIdleState.canTakeNewRequest.
+// We only permit reservations up to the conn's concurrency limit.
+// This differs from ClientConn.ReserveNewRequest, which permits reservations
+// past the limit when StrictMaxConcurrentStreams is set.
+func (cc *ClientConn) canReserveLocked() bool {
+	if cc.currentRequestCountLocked() >= int(cc.maxConcurrentStreams) {
+		return false
+	}
+	if !cc.isUsableLocked() {
+		return false
+	}
+	return true
+}
+
 // currentRequestCountLocked reports the number of concurrency slots currently in use,
 // including active streams, reserved slots, and reset streams waiting for acknowledgement.
 func (cc *ClientConn) currentRequestCountLocked() int {
@@ -1067,6 +1103,14 @@ func (cc *ClientConn) canTakeNewRequestLocked() bool {
 	return st.canTakeNewRequest
 }
 
+// availableLocked reports the number of concurrency slots available.
+func (cc *ClientConn) availableLocked() int {
+	if !cc.canTakeNewRequestLocked() {
+		return 0
+	}
+	return max(0, int(cc.maxConcurrentStreams)-cc.currentRequestCountLocked())
+}
+
 // tooIdleLocked reports whether this connection has been been sitting idle
 // for too much wall time.
 func (cc *ClientConn) tooIdleLocked() bool {
@@ -1091,6 +1135,7 @@ func (cc *ClientConn) closeConn() {
 	t := time.AfterFunc(250*time.Millisecond, cc.forceCloseConn)
 	defer t.Stop()
 	cc.tconn.Close()
+	cc.maybeCallStateHook()
 }
 
 // A tls.Conn.Close can hang for a long time if the peer is unresponsive.
@@ -1616,6 +1661,8 @@ func (cs *clientStream) cleanupWriteRequest(err error) {
 	}
 	bodyClosed := cs.reqBodyClosed
 	closeOnIdle := cc.singleUse || cc.doNotReuse || cc.t.disableKeepAlives() || cc.goAway != nil
+	// Have we read any frames from the connection since sending this request?
+	readSinceStream := cc.readBeforeStreamID > cs.ID
 	cc.mu.Unlock()
 	if mustCloseBody {
 		cs.reqBody.Close()
@@ -1647,8 +1694,10 @@ func (cs *clientStream) cleanupWriteRequest(err error) {
 				//
 				// This could be due to the server becoming unresponsive.
 				// To avoid sending too many requests on a dead connection,
-				// we let the request continue to consume a concurrency slot
-				// until we can confirm the server is still responding.
+				// if we haven't read any frames from the connection since
+				// sending this request, we let it continue to consume
+				// a concurrency slot until we can confirm the server is
+				// still responding.
 				// We do this by sending a PING frame along with the RST_STREAM
 				// (unless a ping is already in flight).
 				//
@@ -1659,7 +1708,7 @@ func (cs *clientStream) cleanupWriteRequest(err error) {
 				// because it's short lived and will probably be closed before
 				// we get the ping response.
 				ping := false
-				if !closeOnIdle {
+				if !closeOnIdle && !readSinceStream {
 					cc.mu.Lock()
 					// rstStreamPingsBlocked works around a gRPC behavior:
 					// see comment on the field for details.
@@ -1693,6 +1742,7 @@ func (cs *clientStream) cleanupWriteRequest(err error) {
 	}
 
 	close(cs.donec)
+	cc.maybeCallStateHook()
 }
 
 // awaitOpenSlotForStreamLocked waits until len(streams) < maxConcurrentStreams.
@@ -2745,6 +2795,7 @@ func (rl *clientConnReadLoop) streamByID(id uint32, headerOrData bool) *clientSt
 		// See comment on ClientConn.rstStreamPingsBlocked for details.
 		rl.cc.rstStreamPingsBlocked = false
 	}
+	rl.cc.readBeforeStreamID = rl.cc.nextStreamID
 	cs := rl.cc.streams[id]
 	if cs != nil && !cs.readAborted {
 		return cs
@@ -2795,6 +2846,7 @@ func (rl *clientConnReadLoop) processSettings(f *SettingsFrame) error {
 
 func (rl *clientConnReadLoop) processSettingsNoWrite(f *SettingsFrame) error {
 	cc := rl.cc
+	defer cc.maybeCallStateHook()
 	cc.mu.Lock()
 	defer cc.mu.Unlock()
 
@@ -2975,6 +3027,7 @@ func (cc *ClientConn) Ping(ctx context.Context) error {
 func (rl *clientConnReadLoop) processPing(f *PingFrame) error {
 	if f.IsAck() {
 		cc := rl.cc
+		defer cc.maybeCallStateHook()
 		cc.mu.Lock()
 		defer cc.mu.Unlock()
 		// If ack, notify listener if any
@@ -3198,9 +3251,13 @@ func registerHTTPSProtocol(t *http.Transport, rt noDialH2RoundTripper) (err erro
 }
 
 // noDialH2RoundTripper is a RoundTripper which only tries to complete the request
-// if there's already has a cached connection to the host.
+// if there's already a cached connection to the host.
 // (The field is exported so it can be accessed via reflect from net/http; tested
 // by TestNoDialH2RoundTripperType)
+//
+// A noDialH2RoundTripper is registered with http1.Transport.RegisterProtocol,
+// and the http1.Transport can use type assertions to call non-RoundTrip methods on it.
+// This lets us expose, for example, NewClientConn to net/http.
 type noDialH2RoundTripper struct{ *Transport }
 
 func (rt noDialH2RoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
@@ -3211,6 +3268,85 @@ func (rt noDialH2RoundTripper) RoundTrip(req *http.Request) (*http.Response, err
 	return res, err
 }
 
+func (rt noDialH2RoundTripper) NewClientConn(conn net.Conn, internalStateHook func()) (http.RoundTripper, error) {
+	tr := rt.Transport
+	cc, err := tr.newClientConn(conn, tr.disableKeepAlives(), internalStateHook)
+	if err != nil {
+		return nil, err
+	}
+
+	// RoundTrip should block when the conn is at its concurrency limit,
+	// not return an error. Setting strictMaxConcurrentStreams enables this.
+	cc.strictMaxConcurrentStreams = true
+
+	return netHTTPClientConn{cc}, nil
+}
+
+// netHTTPClientConn wraps ClientConn and implements the interface net/http expects from
+// the RoundTripper returned by NewClientConn.
+type netHTTPClientConn struct {
+	cc *ClientConn
+}
+
+func (cc netHTTPClientConn) RoundTrip(req *http.Request) (*http.Response, error) {
+	return cc.cc.RoundTrip(req)
+}
+
+func (cc netHTTPClientConn) Close() error {
+	return cc.cc.Close()
+}
+
+func (cc netHTTPClientConn) Err() error {
+	cc.cc.mu.Lock()
+	defer cc.cc.mu.Unlock()
+	if cc.cc.closed {
+		return errors.New("connection closed")
+	}
+	return nil
+}
+
+func (cc netHTTPClientConn) Reserve() error {
+	defer cc.cc.maybeCallStateHook()
+	cc.cc.mu.Lock()
+	defer cc.cc.mu.Unlock()
+	if !cc.cc.canReserveLocked() {
+		return errors.New("connection is unavailable")
+	}
+	cc.cc.streamsReserved++
+	return nil
+}
+
+func (cc netHTTPClientConn) Release() {
+	defer cc.cc.maybeCallStateHook()
+	cc.cc.mu.Lock()
+	defer cc.cc.mu.Unlock()
+	// We don't complain if streamsReserved is 0.
+	//
+	// This is consistent with RoundTrip: both Release and RoundTrip will
+	// consume a reservation iff one exists.
+	if cc.cc.streamsReserved > 0 {
+		cc.cc.streamsReserved--
+	}
+}
+
+func (cc netHTTPClientConn) Available() int {
+	cc.cc.mu.Lock()
+	defer cc.cc.mu.Unlock()
+	return cc.cc.availableLocked()
+}
+
+func (cc netHTTPClientConn) InFlight() int {
+	cc.cc.mu.Lock()
+	defer cc.cc.mu.Unlock()
+	return cc.cc.currentRequestCountLocked()
+}
+
+func (cc *ClientConn) maybeCallStateHook() {
+	if cc.internalStateHook != nil {
+		cc.internalStateHook()
+	}
+}
+
 func (t *Transport) idleConnTimeout() time.Duration {
 	// to keep things backwards compatible, we use non-zero values of
 	// IdleConnTimeout, followed by using the IdleConnTimeout on the underlying
diff --git a/vendor/golang.org/x/net/trace/events.go b/vendor/golang.org/x/net/trace/events.go
index 3aaffdd1..c2b3c009 100644
--- a/vendor/golang.org/x/net/trace/events.go
+++ b/vendor/golang.org/x/net/trace/events.go
@@ -58,8 +58,8 @@ func RenderEvents(w http.ResponseWriter, req *http.Request, sensitive bool) {
 		Buckets: buckets,
 	}
 
-	data.Families = make([]string, 0, len(families))
 	famMu.RLock()
+	data.Families = make([]string, 0, len(families))
 	for name := range families {
 		data.Families = append(data.Families, name)
 	}
diff --git a/vendor/golang.org/x/oauth2/deviceauth.go b/vendor/golang.org/x/oauth2/deviceauth.go
index e99c92f3..e783a943 100644
--- a/vendor/golang.org/x/oauth2/deviceauth.go
+++ b/vendor/golang.org/x/oauth2/deviceauth.go
@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"mime"
 	"net/http"
 	"net/url"
 	"strings"
@@ -116,10 +117,38 @@ func retrieveDeviceAuth(ctx context.Context, c *Config, v url.Values) (*DeviceAu
 		return nil, fmt.Errorf("oauth2: cannot auth device: %v", err)
 	}
 	if code := r.StatusCode; code < 200 || code > 299 {
-		return nil, &RetrieveError{
+		retrieveError := &RetrieveError{
 			Response: r,
 			Body:     body,
 		}
+
+		content, _, _ := mime.ParseMediaType(r.Header.Get("Content-Type"))
+		switch content {
+		case "application/x-www-form-urlencoded", "text/plain":
+			// some endpoints return a query string
+			vals, err := url.ParseQuery(string(body))
+			if err != nil {
+				return nil, retrieveError
+			}
+			retrieveError.ErrorCode = vals.Get("error")
+			retrieveError.ErrorDescription = vals.Get("error_description")
+			retrieveError.ErrorURI = vals.Get("error_uri")
+		default:
+			var tj struct {
+				// https://datatracker.ietf.org/doc/html/rfc6749#section-5.2
+				ErrorCode        string `json:"error"`
+				ErrorDescription string `json:"error_description"`
+				ErrorURI         string `json:"error_uri"`
+			}
+			if json.Unmarshal(body, &tj) != nil {
+				return nil, retrieveError
+			}
+			retrieveError.ErrorCode = tj.ErrorCode
+			retrieveError.ErrorDescription = tj.ErrorDescription
+			retrieveError.ErrorURI = tj.ErrorURI
+		}
+
+		return nil, retrieveError
 	}
 
 	da := &DeviceAuthResponse{}
diff --git a/vendor/golang.org/x/oauth2/google/google.go b/vendor/golang.org/x/oauth2/google/google.go
index e2eb9c92..7d1fdd31 100644
--- a/vendor/golang.org/x/oauth2/google/google.go
+++ b/vendor/golang.org/x/oauth2/google/google.go
@@ -252,7 +252,7 @@ func (f *credentialsFile) tokenSource(ctx context.Context, params CredentialsPar
 // Further information about retrieving access tokens from the GCE metadata
 // server can be found at https://cloud.google.com/compute/docs/authentication.
 func ComputeTokenSource(account string, scope ...string) oauth2.TokenSource {
-	// refresh 3 minutes and 45 seconds early. The shortest MDS cache is currently 4 minutes, so any
+	// Refresh 3 minutes and 45 seconds early. The shortest MDS cache is currently 4 minutes, so any
 	// refreshes earlier are a waste of compute.
 	earlyExpirySecs := 225 * time.Second
 	return computeTokenSource(account, earlyExpirySecs, scope...)
diff --git a/vendor/golang.org/x/oauth2/oauth2.go b/vendor/golang.org/x/oauth2/oauth2.go
index 3e3b6306..5c527d31 100644
--- a/vendor/golang.org/x/oauth2/oauth2.go
+++ b/vendor/golang.org/x/oauth2/oauth2.go
@@ -98,7 +98,7 @@ const (
 	// in the POST body as application/x-www-form-urlencoded parameters.
 	AuthStyleInParams AuthStyle = 1
 
-	// AuthStyleInHeader sends the client_id and client_password
+	// AuthStyleInHeader sends the client_id and client_secret
 	// using HTTP Basic Authorization. This is an optional style
 	// described in the OAuth2 RFC 6749 section 2.3.1.
 	AuthStyleInHeader AuthStyle = 2
diff --git a/vendor/golang.org/x/oauth2/pkce.go b/vendor/golang.org/x/oauth2/pkce.go
index cea8374d..f99384f0 100644
--- a/vendor/golang.org/x/oauth2/pkce.go
+++ b/vendor/golang.org/x/oauth2/pkce.go
@@ -51,7 +51,7 @@ func S256ChallengeFromVerifier(verifier string) string {
 	return base64.RawURLEncoding.EncodeToString(sha[:])
 }
 
-// S256ChallengeOption derives a PKCE code challenge derived from verifier with
+// S256ChallengeOption derives a PKCE code challenge from the verifier with
 // method S256. It should be passed to [Config.AuthCodeURL] or [Config.DeviceAuth]
 // only.
 func S256ChallengeOption(verifier string) AuthCodeOption {
diff --git a/vendor/golang.org/x/oauth2/token.go b/vendor/golang.org/x/oauth2/token.go
index 239ec329..e995eebb 100644
--- a/vendor/golang.org/x/oauth2/token.go
+++ b/vendor/golang.org/x/oauth2/token.go
@@ -103,7 +103,7 @@ func (t *Token) WithExtra(extra any) *Token {
 }
 
 // Extra returns an extra field.
-// Extra fields are key-value pairs returned by the server as a
+// Extra fields are key-value pairs returned by the server as
 // part of the token retrieval response.
 func (t *Token) Extra(key string) any {
 	if raw, ok := t.raw.(map[string]any); ok {
diff --git a/vendor/golang.org/x/oauth2/transport.go b/vendor/golang.org/x/oauth2/transport.go
index 8bbebbac..9922ec33 100644
--- a/vendor/golang.org/x/oauth2/transport.go
+++ b/vendor/golang.org/x/oauth2/transport.go
@@ -58,7 +58,7 @@ func (t *Transport) RoundTrip(req *http.Request) (*http.Response, error) {
 var cancelOnce sync.Once
 
 // CancelRequest does nothing. It used to be a legacy cancellation mechanism
-// but now only it only logs on first use to warn that it's deprecated.
+// but now only logs on first use to warn that it's deprecated.
 //
 // Deprecated: use contexts for cancellation instead.
 func (t *Transport) CancelRequest(req *http.Request) {
diff --git a/vendor/google.golang.org/genproto/googleapis/api/annotations/annotations.pb.go b/vendor/google.golang.org/genproto/googleapis/api/annotations/annotations.pb.go
index 8b462f3d..0b789e2c 100644
--- a/vendor/google.golang.org/genproto/googleapis/api/annotations/annotations.pb.go
+++ b/vendor/google.golang.org/genproto/googleapis/api/annotations/annotations.pb.go
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/vendor/google.golang.org/genproto/googleapis/api/annotations/client.pb.go b/vendor/google.golang.org/genproto/googleapis/api/annotations/client.pb.go
index aa69fb4d..f8404817 100644
--- a/vendor/google.golang.org/genproto/googleapis/api/annotations/client.pb.go
+++ b/vendor/google.golang.org/genproto/googleapis/api/annotations/client.pb.go
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -180,6 +180,8 @@ type CommonLanguageSettings struct {
 	ReferenceDocsUri string `protobuf:"bytes,1,opt,name=reference_docs_uri,json=referenceDocsUri,proto3" json:"reference_docs_uri,omitempty"`
 	// The destination where API teams want this client library to be published.
 	Destinations []ClientLibraryDestination `protobuf:"varint,2,rep,packed,name=destinations,proto3,enum=google.api.ClientLibraryDestination" json:"destinations,omitempty"`
+	// Configuration for which RPCs should be generated in the GAPIC client.
+	SelectiveGapicGeneration *SelectiveGapicGeneration `protobuf:"bytes,3,opt,name=selective_gapic_generation,json=selectiveGapicGeneration,proto3" json:"selective_gapic_generation,omitempty"`
 }
 
 func (x *CommonLanguageSettings) Reset() {
@@ -229,6 +231,13 @@ func (x *CommonLanguageSettings) GetDestinations() []ClientLibraryDestination {
 	return nil
 }
 
+func (x *CommonLanguageSettings) GetSelectiveGapicGeneration() *SelectiveGapicGeneration {
+	if x != nil {
+		return x.SelectiveGapicGeneration
+	}
+	return nil
+}
+
 // Details about how and where to publish client libraries.
 type ClientLibrarySettings struct {
 	state         protoimpl.MessageState
@@ -984,6 +993,16 @@ type GoSettings struct {
 
 	// Some settings.
 	Common *CommonLanguageSettings `protobuf:"bytes,1,opt,name=common,proto3" json:"common,omitempty"`
+	// Map of service names to renamed services. Keys are the package relative
+	// service names and values are the name to be used for the service client
+	// and call options.
+	//
+	// publishing:
+	//
+	//	go_settings:
+	//	  renamed_services:
+	//	    Publisher: TopicAdmin
+	RenamedServices map[string]string `protobuf:"bytes,2,rep,name=renamed_services,json=renamedServices,proto3" json:"renamed_services,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 }
 
 func (x *GoSettings) Reset() {
@@ -1025,6 +1044,13 @@ func (x *GoSettings) GetCommon() *CommonLanguageSettings {
 	return nil
 }
 
+func (x *GoSettings) GetRenamedServices() map[string]string {
+	if x != nil {
+		return x.RenamedServices
+	}
+	return nil
+}
+
 // Describes the generator configuration for a method.
 type MethodSettings struct {
 	state         protoimpl.MessageState
@@ -1123,6 +1149,71 @@ func (x *MethodSettings) GetAutoPopulatedFields() []string {
 	return nil
 }
 
+// This message is used to configure the generation of a subset of the RPCs in
+// a service for client libraries.
+type SelectiveGapicGeneration struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// An allowlist of the fully qualified names of RPCs that should be included
+	// on public client surfaces.
+	Methods []string `protobuf:"bytes,1,rep,name=methods,proto3" json:"methods,omitempty"`
+	// Setting this to true indicates to the client generators that methods
+	// that would be excluded from the generation should instead be generated
+	// in a way that indicates these methods should not be consumed by
+	// end users. How this is expressed is up to individual language
+	// implementations to decide. Some examples may be: added annotations,
+	// obfuscated identifiers, or other language idiomatic patterns.
+	GenerateOmittedAsInternal bool `protobuf:"varint,2,opt,name=generate_omitted_as_internal,json=generateOmittedAsInternal,proto3" json:"generate_omitted_as_internal,omitempty"`
+}
+
+func (x *SelectiveGapicGeneration) Reset() {
+	*x = SelectiveGapicGeneration{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_api_client_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SelectiveGapicGeneration) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SelectiveGapicGeneration) ProtoMessage() {}
+
+func (x *SelectiveGapicGeneration) ProtoReflect() protoreflect.Message {
+	mi := &file_google_api_client_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SelectiveGapicGeneration.ProtoReflect.Descriptor instead.
+func (*SelectiveGapicGeneration) Descriptor() ([]byte, []int) {
+	return file_google_api_client_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *SelectiveGapicGeneration) GetMethods() []string {
+	if x != nil {
+		return x.Methods
+	}
+	return nil
+}
+
+func (x *SelectiveGapicGeneration) GetGenerateOmittedAsInternal() bool {
+	if x != nil {
+		return x.GenerateOmittedAsInternal
+	}
+	return false
+}
+
 // Experimental features to be included during client library generation.
 // These fields will be deprecated once the feature graduates and is enabled
 // by default.
@@ -1136,12 +1227,22 @@ type PythonSettings_ExperimentalFeatures struct {
 	// This feature will be enabled by default 1 month after launching the
 	// feature in preview packages.
 	RestAsyncIoEnabled bool `protobuf:"varint,1,opt,name=rest_async_io_enabled,json=restAsyncIoEnabled,proto3" json:"rest_async_io_enabled,omitempty"`
+	// Enables generation of protobuf code using new types that are more
+	// Pythonic which are included in `protobuf>=5.29.x`. This feature will be
+	// enabled by default 1 month after launching the feature in preview
+	// packages.
+	ProtobufPythonicTypesEnabled bool `protobuf:"varint,2,opt,name=protobuf_pythonic_types_enabled,json=protobufPythonicTypesEnabled,proto3" json:"protobuf_pythonic_types_enabled,omitempty"`
+	// Disables generation of an unversioned Python package for this client
+	// library. This means that the module names will need to be versioned in
+	// import statements. For example `import google.cloud.library_v2` instead
+	// of `import google.cloud.library`.
+	UnversionedPackageDisabled bool `protobuf:"varint,3,opt,name=unversioned_package_disabled,json=unversionedPackageDisabled,proto3" json:"unversioned_package_disabled,omitempty"`
 }
 
 func (x *PythonSettings_ExperimentalFeatures) Reset() {
 	*x = PythonSettings_ExperimentalFeatures{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_google_api_client_proto_msgTypes[13]
+		mi := &file_google_api_client_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1154,7 +1255,7 @@ func (x *PythonSettings_ExperimentalFeatures) String() string {
 func (*PythonSettings_ExperimentalFeatures) ProtoMessage() {}
 
 func (x *PythonSettings_ExperimentalFeatures) ProtoReflect() protoreflect.Message {
-	mi := &file_google_api_client_proto_msgTypes[13]
+	mi := &file_google_api_client_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1177,6 +1278,20 @@ func (x *PythonSettings_ExperimentalFeatures) GetRestAsyncIoEnabled() bool {
 	return false
 }
 
+func (x *PythonSettings_ExperimentalFeatures) GetProtobufPythonicTypesEnabled() bool {
+	if x != nil {
+		return x.ProtobufPythonicTypesEnabled
+	}
+	return false
+}
+
+func (x *PythonSettings_ExperimentalFeatures) GetUnversionedPackageDisabled() bool {
+	if x != nil {
+		return x.UnversionedPackageDisabled
+	}
+	return false
+}
+
 // Describes settings to use when generating API methods that use the
 // long-running operation pattern.
 // All default values below are from those used in the client library
@@ -1205,7 +1320,7 @@ type MethodSettings_LongRunning struct {
 func (x *MethodSettings_LongRunning) Reset() {
 	*x = MethodSettings_LongRunning{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_google_api_client_proto_msgTypes[16]
+		mi := &file_google_api_client_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1218,7 +1333,7 @@ func (x *MethodSettings_LongRunning) String() string {
 func (*MethodSettings_LongRunning) ProtoMessage() {}
 
 func (x *MethodSettings_LongRunning) ProtoReflect() protoreflect.Message {
-	mi := &file_google_api_client_proto_msgTypes[16]
+	mi := &file_google_api_client_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1406,7 +1521,7 @@ var file_google_api_client_proto_rawDesc = []byte{
 	0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74, 0x6f, 0x72,
 	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x1e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70,
 	0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e,
-	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x94, 0x01, 0x0a, 0x16, 0x43, 0x6f, 0x6d, 0x6d, 0x6f,
+	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xf8, 0x01, 0x0a, 0x16, 0x43, 0x6f, 0x6d, 0x6d, 0x6f,
 	0x6e, 0x4c, 0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67,
 	0x73, 0x12, 0x30, 0x0a, 0x12, 0x72, 0x65, 0x66, 0x65, 0x72, 0x65, 0x6e, 0x63, 0x65, 0x5f, 0x64,
 	0x6f, 0x63, 0x73, 0x5f, 0x75, 0x72, 0x69, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x42, 0x02, 0x18,
@@ -1415,251 +1530,283 @@ var file_google_api_client_proto_rawDesc = []byte{
 	0x6f, 0x6e, 0x73, 0x18, 0x02, 0x20, 0x03, 0x28, 0x0e, 0x32, 0x24, 0x2e, 0x67, 0x6f, 0x6f, 0x67,
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+	0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x53, 0x65,
+	0x72, 0x76, 0x69, 0x63, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0xc1, 0xba, 0xab,
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+	0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x3b, 0x61, 0x6e, 0x6e, 0x6f, 0x74,
+	0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0xa2, 0x02, 0x04, 0x47, 0x41, 0x50, 0x49, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1675,7 +1822,7 @@ func file_google_api_client_proto_rawDescGZIP() []byte {
 }
 
 var file_google_api_client_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
-var file_google_api_client_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
+var file_google_api_client_proto_msgTypes = make([]protoimpl.MessageInfo, 19)
 var file_google_api_client_proto_goTypes = []interface{}{
 	(ClientLibraryOrganization)(0),              // 0: google.api.ClientLibraryOrganization
 	(ClientLibraryDestination)(0),               // 1: google.api.ClientLibraryDestination
@@ -1691,55 +1838,59 @@ var file_google_api_client_proto_goTypes = []interface{}{
 	(*RubySettings)(nil),                        // 11: google.api.RubySettings
 	(*GoSettings)(nil),                          // 12: google.api.GoSettings
 	(*MethodSettings)(nil),                      // 13: google.api.MethodSettings
-	nil,                                         // 14: google.api.JavaSettings.ServiceClassNamesEntry
-	(*PythonSettings_ExperimentalFeatures)(nil), // 15: google.api.PythonSettings.ExperimentalFeatures
-	nil,                                 // 16: google.api.DotnetSettings.RenamedServicesEntry
-	nil,                                 // 17: google.api.DotnetSettings.RenamedResourcesEntry
-	(*MethodSettings_LongRunning)(nil),  // 18: google.api.MethodSettings.LongRunning
-	(api.LaunchStage)(0),                // 19: google.api.LaunchStage
-	(*durationpb.Duration)(nil),         // 20: google.protobuf.Duration
-	(*descriptorpb.MethodOptions)(nil),  // 21: google.protobuf.MethodOptions
-	(*descriptorpb.ServiceOptions)(nil), // 22: google.protobuf.ServiceOptions
+	(*SelectiveGapicGeneration)(nil),            // 14: google.api.SelectiveGapicGeneration
+	nil,                                         // 15: google.api.JavaSettings.ServiceClassNamesEntry
+	(*PythonSettings_ExperimentalFeatures)(nil), // 16: google.api.PythonSettings.ExperimentalFeatures
+	nil,                                 // 17: google.api.DotnetSettings.RenamedServicesEntry
+	nil,                                 // 18: google.api.DotnetSettings.RenamedResourcesEntry
+	nil,                                 // 19: google.api.GoSettings.RenamedServicesEntry
+	(*MethodSettings_LongRunning)(nil),  // 20: google.api.MethodSettings.LongRunning
+	(api.LaunchStage)(0),                // 21: google.api.LaunchStage
+	(*durationpb.Duration)(nil),         // 22: google.protobuf.Duration
+	(*descriptorpb.MethodOptions)(nil),  // 23: google.protobuf.MethodOptions
+	(*descriptorpb.ServiceOptions)(nil), // 24: google.protobuf.ServiceOptions
 }
 var file_google_api_client_proto_depIdxs = []int32{
 	1,  // 0: google.api.CommonLanguageSettings.destinations:type_name -> google.api.ClientLibraryDestination
-	19, // 1: google.api.ClientLibrarySettings.launch_stage:type_name -> google.api.LaunchStage
-	5,  // 2: google.api.ClientLibrarySettings.java_settings:type_name -> google.api.JavaSettings
-	6,  // 3: google.api.ClientLibrarySettings.cpp_settings:type_name -> google.api.CppSettings
-	7,  // 4: google.api.ClientLibrarySettings.php_settings:type_name -> google.api.PhpSettings
-	8,  // 5: google.api.ClientLibrarySettings.python_settings:type_name -> google.api.PythonSettings
-	9,  // 6: google.api.ClientLibrarySettings.node_settings:type_name -> google.api.NodeSettings
-	10, // 7: google.api.ClientLibrarySettings.dotnet_settings:type_name -> google.api.DotnetSettings
-	11, // 8: google.api.ClientLibrarySettings.ruby_settings:type_name -> google.api.RubySettings
-	12, // 9: google.api.ClientLibrarySettings.go_settings:type_name -> google.api.GoSettings
-	13, // 10: google.api.Publishing.method_settings:type_name -> google.api.MethodSettings
-	0,  // 11: google.api.Publishing.organization:type_name -> google.api.ClientLibraryOrganization
-	3,  // 12: google.api.Publishing.library_settings:type_name -> google.api.ClientLibrarySettings
-	14, // 13: google.api.JavaSettings.service_class_names:type_name -> google.api.JavaSettings.ServiceClassNamesEntry
-	2,  // 14: google.api.JavaSettings.common:type_name -> google.api.CommonLanguageSettings
-	2,  // 15: google.api.CppSettings.common:type_name -> google.api.CommonLanguageSettings
-	2,  // 16: google.api.PhpSettings.common:type_name -> google.api.CommonLanguageSettings
-	2,  // 17: google.api.PythonSettings.common:type_name -> google.api.CommonLanguageSettings
-	15, // 18: google.api.PythonSettings.experimental_features:type_name -> google.api.PythonSettings.ExperimentalFeatures
-	2,  // 19: google.api.NodeSettings.common:type_name -> google.api.CommonLanguageSettings
-	2,  // 20: google.api.DotnetSettings.common:type_name -> google.api.CommonLanguageSettings
-	16, // 21: google.api.DotnetSettings.renamed_services:type_name -> google.api.DotnetSettings.RenamedServicesEntry
-	17, // 22: google.api.DotnetSettings.renamed_resources:type_name -> google.api.DotnetSettings.RenamedResourcesEntry
-	2,  // 23: google.api.RubySettings.common:type_name -> google.api.CommonLanguageSettings
-	2,  // 24: google.api.GoSettings.common:type_name -> google.api.CommonLanguageSettings
-	18, // 25: google.api.MethodSettings.long_running:type_name -> google.api.MethodSettings.LongRunning
-	20, // 26: google.api.MethodSettings.LongRunning.initial_poll_delay:type_name -> google.protobuf.Duration
-	20, // 27: google.api.MethodSettings.LongRunning.max_poll_delay:type_name -> google.protobuf.Duration
-	20, // 28: google.api.MethodSettings.LongRunning.total_poll_timeout:type_name -> google.protobuf.Duration
-	21, // 29: google.api.method_signature:extendee -> google.protobuf.MethodOptions
-	22, // 30: google.api.default_host:extendee -> google.protobuf.ServiceOptions
-	22, // 31: google.api.oauth_scopes:extendee -> google.protobuf.ServiceOptions
-	22, // 32: google.api.api_version:extendee -> google.protobuf.ServiceOptions
-	33, // [33:33] is the sub-list for method output_type
-	33, // [33:33] is the sub-list for method input_type
-	33, // [33:33] is the sub-list for extension type_name
-	29, // [29:33] is the sub-list for extension extendee
-	0,  // [0:29] is the sub-list for field type_name
+	14, // 1: google.api.CommonLanguageSettings.selective_gapic_generation:type_name -> google.api.SelectiveGapicGeneration
+	21, // 2: google.api.ClientLibrarySettings.launch_stage:type_name -> google.api.LaunchStage
+	5,  // 3: google.api.ClientLibrarySettings.java_settings:type_name -> google.api.JavaSettings
+	6,  // 4: google.api.ClientLibrarySettings.cpp_settings:type_name -> google.api.CppSettings
+	7,  // 5: google.api.ClientLibrarySettings.php_settings:type_name -> google.api.PhpSettings
+	8,  // 6: google.api.ClientLibrarySettings.python_settings:type_name -> google.api.PythonSettings
+	9,  // 7: google.api.ClientLibrarySettings.node_settings:type_name -> google.api.NodeSettings
+	10, // 8: google.api.ClientLibrarySettings.dotnet_settings:type_name -> google.api.DotnetSettings
+	11, // 9: google.api.ClientLibrarySettings.ruby_settings:type_name -> google.api.RubySettings
+	12, // 10: google.api.ClientLibrarySettings.go_settings:type_name -> google.api.GoSettings
+	13, // 11: google.api.Publishing.method_settings:type_name -> google.api.MethodSettings
+	0,  // 12: google.api.Publishing.organization:type_name -> google.api.ClientLibraryOrganization
+	3,  // 13: google.api.Publishing.library_settings:type_name -> google.api.ClientLibrarySettings
+	15, // 14: google.api.JavaSettings.service_class_names:type_name -> google.api.JavaSettings.ServiceClassNamesEntry
+	2,  // 15: google.api.JavaSettings.common:type_name -> google.api.CommonLanguageSettings
+	2,  // 16: google.api.CppSettings.common:type_name -> google.api.CommonLanguageSettings
+	2,  // 17: google.api.PhpSettings.common:type_name -> google.api.CommonLanguageSettings
+	2,  // 18: google.api.PythonSettings.common:type_name -> google.api.CommonLanguageSettings
+	16, // 19: google.api.PythonSettings.experimental_features:type_name -> google.api.PythonSettings.ExperimentalFeatures
+	2,  // 20: google.api.NodeSettings.common:type_name -> google.api.CommonLanguageSettings
+	2,  // 21: google.api.DotnetSettings.common:type_name -> google.api.CommonLanguageSettings
+	17, // 22: google.api.DotnetSettings.renamed_services:type_name -> google.api.DotnetSettings.RenamedServicesEntry
+	18, // 23: google.api.DotnetSettings.renamed_resources:type_name -> google.api.DotnetSettings.RenamedResourcesEntry
+	2,  // 24: google.api.RubySettings.common:type_name -> google.api.CommonLanguageSettings
+	2,  // 25: google.api.GoSettings.common:type_name -> google.api.CommonLanguageSettings
+	19, // 26: google.api.GoSettings.renamed_services:type_name -> google.api.GoSettings.RenamedServicesEntry
+	20, // 27: google.api.MethodSettings.long_running:type_name -> google.api.MethodSettings.LongRunning
+	22, // 28: google.api.MethodSettings.LongRunning.initial_poll_delay:type_name -> google.protobuf.Duration
+	22, // 29: google.api.MethodSettings.LongRunning.max_poll_delay:type_name -> google.protobuf.Duration
+	22, // 30: google.api.MethodSettings.LongRunning.total_poll_timeout:type_name -> google.protobuf.Duration
+	23, // 31: google.api.method_signature:extendee -> google.protobuf.MethodOptions
+	24, // 32: google.api.default_host:extendee -> google.protobuf.ServiceOptions
+	24, // 33: google.api.oauth_scopes:extendee -> google.protobuf.ServiceOptions
+	24, // 34: google.api.api_version:extendee -> google.protobuf.ServiceOptions
+	35, // [35:35] is the sub-list for method output_type
+	35, // [35:35] is the sub-list for method input_type
+	35, // [35:35] is the sub-list for extension type_name
+	31, // [31:35] is the sub-list for extension extendee
+	0,  // [0:31] is the sub-list for field type_name
 }
 
 func init() { file_google_api_client_proto_init() }
@@ -1892,7 +2043,19 @@ func file_google_api_client_proto_init() {
 				return nil
 			}
 		}
-		file_google_api_client_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
+		file_google_api_client_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SelectiveGapicGeneration); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_api_client_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PythonSettings_ExperimentalFeatures); i {
 			case 0:
 				return &v.state
@@ -1904,7 +2067,7 @@ func file_google_api_client_proto_init() {
 				return nil
 			}
 		}
-		file_google_api_client_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
+		file_google_api_client_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*MethodSettings_LongRunning); i {
 			case 0:
 				return &v.state
@@ -1923,7 +2086,7 @@ func file_google_api_client_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_google_api_client_proto_rawDesc,
 			NumEnums:      2,
-			NumMessages:   17,
+			NumMessages:   19,
 			NumExtensions: 4,
 			NumServices:   0,
 		},
diff --git a/vendor/google.golang.org/genproto/googleapis/api/annotations/field_behavior.pb.go b/vendor/google.golang.org/genproto/googleapis/api/annotations/field_behavior.pb.go
index 08505ba3..5d583b86 100644
--- a/vendor/google.golang.org/genproto/googleapis/api/annotations/field_behavior.pb.go
+++ b/vendor/google.golang.org/genproto/googleapis/api/annotations/field_behavior.pb.go
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/vendor/google.golang.org/genproto/googleapis/api/annotations/field_info.pb.go b/vendor/google.golang.org/genproto/googleapis/api/annotations/field_info.pb.go
index a462e7d0..53e9dd1e 100644
--- a/vendor/google.golang.org/genproto/googleapis/api/annotations/field_info.pb.go
+++ b/vendor/google.golang.org/genproto/googleapis/api/annotations/field_info.pb.go
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/vendor/google.golang.org/genproto/googleapis/api/annotations/http.pb.go b/vendor/google.golang.org/genproto/googleapis/api/annotations/http.pb.go
index ffb5838c..d30fcee4 100644
--- a/vendor/google.golang.org/genproto/googleapis/api/annotations/http.pb.go
+++ b/vendor/google.golang.org/genproto/googleapis/api/annotations/http.pb.go
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -663,14 +663,14 @@ var file_google_api_http_proto_rawDesc = []byte{
 	0x75, 0x73, 0x74, 0x6f, 0x6d, 0x48, 0x74, 0x74, 0x70, 0x50, 0x61, 0x74, 0x74, 0x65, 0x72, 0x6e,
 	0x12, 0x12, 0x0a, 0x04, 0x6b, 0x69, 0x6e, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04,
 	0x6b, 0x69, 0x6e, 0x64, 0x12, 0x12, 0x0a, 0x04, 0x70, 0x61, 0x74, 0x68, 0x18, 0x02, 0x20, 0x01,
-	0x28, 0x09, 0x52, 0x04, 0x70, 0x61, 0x74, 0x68, 0x42, 0x6a, 0x0a, 0x0e, 0x63, 0x6f, 0x6d, 0x2e,
+	0x28, 0x09, 0x52, 0x04, 0x70, 0x61, 0x74, 0x68, 0x42, 0x67, 0x0a, 0x0e, 0x63, 0x6f, 0x6d, 0x2e,
 	0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x61, 0x70, 0x69, 0x42, 0x09, 0x48, 0x74, 0x74, 0x70,
 	0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x41, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e,
 	0x67, 0x6f, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x67, 0x65, 0x6e, 0x70, 0x72,
 	0x6f, 0x74, 0x6f, 0x2f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x61, 0x70, 0x69, 0x73, 0x2f, 0x61,
 	0x70, 0x69, 0x2f, 0x61, 0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x3b, 0x61,
-	0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0xf8, 0x01, 0x01, 0xa2, 0x02, 0x04,
-	0x47, 0x41, 0x50, 0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0xa2, 0x02, 0x04, 0x47, 0x41, 0x50,
+	0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/vendor/google.golang.org/genproto/googleapis/api/annotations/resource.pb.go b/vendor/google.golang.org/genproto/googleapis/api/annotations/resource.pb.go
index b5db279a..175974a8 100644
--- a/vendor/google.golang.org/genproto/googleapis/api/annotations/resource.pb.go
+++ b/vendor/google.golang.org/genproto/googleapis/api/annotations/resource.pb.go
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -556,15 +556,14 @@ var file_google_api_resource_proto_rawDesc = []byte{
 	0x67, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0x9d, 0x08, 0x20, 0x01, 0x28, 0x0b,
 	0x32, 0x1e, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x52, 0x65,
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+	0x52, 0x08, 0x72, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x42, 0x6b, 0x0a, 0x0e, 0x63, 0x6f,
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 	0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x67, 0x6f, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x6f, 0x72, 0x67,
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-	0xf8, 0x01, 0x01, 0xa2, 0x02, 0x04, 0x47, 0x41, 0x50, 0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
-	0x6f, 0x33,
+	0xa2, 0x02, 0x04, 0x47, 0x41, 0x50, 0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/vendor/google.golang.org/genproto/googleapis/api/annotations/routing.pb.go b/vendor/google.golang.org/genproto/googleapis/api/annotations/routing.pb.go
index 1d8397b0..b8c4aa71 100644
--- a/vendor/google.golang.org/genproto/googleapis/api/annotations/routing.pb.go
+++ b/vendor/google.golang.org/genproto/googleapis/api/annotations/routing.pb.go
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -69,7 +69,7 @@ const (
 // The routing header consists of one or multiple key-value pairs. Every key
 // and value must be percent-encoded, and joined together in the format of
 // `key1=value1&key2=value2`.
-// In the examples below I am skipping the percent-encoding for readablity.
+// The examples below skip the percent-encoding for readability.
 //
 // # Example 1
 //
diff --git a/vendor/google.golang.org/genproto/googleapis/api/launch_stage.pb.go b/vendor/google.golang.org/genproto/googleapis/api/launch_stage.pb.go
index 498020e3..a69c1d47 100644
--- a/vendor/google.golang.org/genproto/googleapis/api/launch_stage.pb.go
+++ b/vendor/google.golang.org/genproto/googleapis/api/launch_stage.pb.go
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/vendor/google.golang.org/genproto/googleapis/rpc/code/code.pb.go b/vendor/google.golang.org/genproto/googleapis/rpc/code/code.pb.go
index bd46edbe..85a9387f 100644
--- a/vendor/google.golang.org/genproto/googleapis/rpc/code/code.pb.go
+++ b/vendor/google.golang.org/genproto/googleapis/rpc/code/code.pb.go
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/vendor/google.golang.org/genproto/googleapis/rpc/errdetails/error_details.pb.go b/vendor/google.golang.org/genproto/googleapis/rpc/errdetails/error_details.pb.go
index 3e562182..e017ef07 100644
--- a/vendor/google.golang.org/genproto/googleapis/rpc/errdetails/error_details.pb.go
+++ b/vendor/google.golang.org/genproto/googleapis/rpc/errdetails/error_details.pb.go
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -80,11 +80,12 @@ type ErrorInfo struct {
 	Domain string `protobuf:"bytes,2,opt,name=domain,proto3" json:"domain,omitempty"`
 	// Additional structured details about this error.
 	//
-	// Keys should match /[a-zA-Z0-9-_]/ and be limited to 64 characters in
+	// Keys must match a regular expression of `[a-z][a-zA-Z0-9-_]+` but should
+	// ideally be lowerCamelCase. Also, they must be limited to 64 characters in
 	// length. When identifying the current value of an exceeded limit, the units
 	// should be contained in the key, not the value.  For example, rather than
-	// {"instanceLimit": "100/request"}, should be returned as,
-	// {"instanceLimitPerRequest": "100"}, if the client exceeds the number of
+	// `{"instanceLimit": "100/request"}`, should be returned as,
+	// `{"instanceLimitPerRequest": "100"}`, if the client exceeds the number of
 	// instances that can be created in a single (batch) request.
 	Metadata map[string]string `protobuf:"bytes,3,rep,name=metadata,proto3" json:"metadata,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 }
@@ -702,6 +703,65 @@ type QuotaFailure_Violation struct {
 	// For example: "Service disabled" or "Daily Limit for read operations
 	// exceeded".
 	Description string `protobuf:"bytes,2,opt,name=description,proto3" json:"description,omitempty"`
+	// The API Service from which the `QuotaFailure.Violation` orginates. In
+	// some cases, Quota issues originate from an API Service other than the one
+	// that was called. In other words, a dependency of the called API Service
+	// could be the cause of the `QuotaFailure`, and this field would have the
+	// dependency API service name.
+	//
+	// For example, if the called API is Kubernetes Engine API
+	// (container.googleapis.com), and a quota violation occurs in the
+	// Kubernetes Engine API itself, this field would be
+	// "container.googleapis.com". On the other hand, if the quota violation
+	// occurs when the Kubernetes Engine API creates VMs in the Compute Engine
+	// API (compute.googleapis.com), this field would be
+	// "compute.googleapis.com".
+	ApiService string `protobuf:"bytes,3,opt,name=api_service,json=apiService,proto3" json:"api_service,omitempty"`
+	// The metric of the violated quota. A quota metric is a named counter to
+	// measure usage, such as API requests or CPUs. When an activity occurs in a
+	// service, such as Virtual Machine allocation, one or more quota metrics
+	// may be affected.
+	//
+	// For example, "compute.googleapis.com/cpus_per_vm_family",
+	// "storage.googleapis.com/internet_egress_bandwidth".
+	QuotaMetric string `protobuf:"bytes,4,opt,name=quota_metric,json=quotaMetric,proto3" json:"quota_metric,omitempty"`
+	// The id of the violated quota. Also know as "limit name", this is the
+	// unique identifier of a quota in the context of an API service.
+	//
+	// For example, "CPUS-PER-VM-FAMILY-per-project-region".
+	QuotaId string `protobuf:"bytes,5,opt,name=quota_id,json=quotaId,proto3" json:"quota_id,omitempty"`
+	// The dimensions of the violated quota. Every non-global quota is enforced
+	// on a set of dimensions. While quota metric defines what to count, the
+	// dimensions specify for what aspects the counter should be increased.
+	//
+	// For example, the quota "CPUs per region per VM family" enforces a limit
+	// on the metric "compute.googleapis.com/cpus_per_vm_family" on dimensions
+	// "region" and "vm_family". And if the violation occurred in region
+	// "us-central1" and for VM family "n1", the quota_dimensions would be,
+	//
+	//	{
+	//	  "region": "us-central1",
+	//	  "vm_family": "n1",
+	//	}
+	//
+	// When a quota is enforced globally, the quota_dimensions would always be
+	// empty.
+	QuotaDimensions map[string]string `protobuf:"bytes,6,rep,name=quota_dimensions,json=quotaDimensions,proto3" json:"quota_dimensions,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	// The enforced quota value at the time of the `QuotaFailure`.
+	//
+	// For example, if the enforced quota value at the time of the
+	// `QuotaFailure` on the number of CPUs is "10", then the value of this
+	// field would reflect this quantity.
+	QuotaValue int64 `protobuf:"varint,7,opt,name=quota_value,json=quotaValue,proto3" json:"quota_value,omitempty"`
+	// The new quota value being rolled out at the time of the violation. At the
+	// completion of the rollout, this value will be enforced in place of
+	// quota_value. If no rollout is in progress at the time of the violation,
+	// this field is not set.
+	//
+	// For example, if at the time of the violation a rollout is in progress
+	// changing the number of CPUs quota from 10 to 20, 20 would be the value of
+	// this field.
+	FutureQuotaValue *int64 `protobuf:"varint,8,opt,name=future_quota_value,json=futureQuotaValue,proto3,oneof" json:"future_quota_value,omitempty"`
 }
 
 func (x *QuotaFailure_Violation) Reset() {
@@ -750,6 +810,48 @@ func (x *QuotaFailure_Violation) GetDescription() string {
 	return ""
 }
 
+func (x *QuotaFailure_Violation) GetApiService() string {
+	if x != nil {
+		return x.ApiService
+	}
+	return ""
+}
+
+func (x *QuotaFailure_Violation) GetQuotaMetric() string {
+	if x != nil {
+		return x.QuotaMetric
+	}
+	return ""
+}
+
+func (x *QuotaFailure_Violation) GetQuotaId() string {
+	if x != nil {
+		return x.QuotaId
+	}
+	return ""
+}
+
+func (x *QuotaFailure_Violation) GetQuotaDimensions() map[string]string {
+	if x != nil {
+		return x.QuotaDimensions
+	}
+	return nil
+}
+
+func (x *QuotaFailure_Violation) GetQuotaValue() int64 {
+	if x != nil {
+		return x.QuotaValue
+	}
+	return 0
+}
+
+func (x *QuotaFailure_Violation) GetFutureQuotaValue() int64 {
+	if x != nil && x.FutureQuotaValue != nil {
+		return *x.FutureQuotaValue
+	}
+	return 0
+}
+
 // A message type used to describe a single precondition failure.
 type PreconditionFailure_Violation struct {
 	state         protoimpl.MessageState
@@ -774,7 +876,7 @@ type PreconditionFailure_Violation struct {
 func (x *PreconditionFailure_Violation) Reset() {
 	*x = PreconditionFailure_Violation{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_google_rpc_error_details_proto_msgTypes[12]
+		mi := &file_google_rpc_error_details_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -787,7 +889,7 @@ func (x *PreconditionFailure_Violation) String() string {
 func (*PreconditionFailure_Violation) ProtoMessage() {}
 
 func (x *PreconditionFailure_Violation) ProtoReflect() protoreflect.Message {
-	mi := &file_google_rpc_error_details_proto_msgTypes[12]
+	mi := &file_google_rpc_error_details_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -870,12 +972,22 @@ type BadRequest_FieldViolation struct {
 	Field string `protobuf:"bytes,1,opt,name=field,proto3" json:"field,omitempty"`
 	// A description of why the request element is bad.
 	Description string `protobuf:"bytes,2,opt,name=description,proto3" json:"description,omitempty"`
+	// The reason of the field-level error. This is a constant value that
+	// identifies the proximate cause of the field-level error. It should
+	// uniquely identify the type of the FieldViolation within the scope of the
+	// google.rpc.ErrorInfo.domain. This should be at most 63
+	// characters and match a regular expression of `[A-Z][A-Z0-9_]+[A-Z0-9]`,
+	// which represents UPPER_SNAKE_CASE.
+	Reason string `protobuf:"bytes,3,opt,name=reason,proto3" json:"reason,omitempty"`
+	// Provides a localized error message for field-level errors that is safe to
+	// return to the API consumer.
+	LocalizedMessage *LocalizedMessage `protobuf:"bytes,4,opt,name=localized_message,json=localizedMessage,proto3" json:"localized_message,omitempty"`
 }
 
 func (x *BadRequest_FieldViolation) Reset() {
 	*x = BadRequest_FieldViolation{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_google_rpc_error_details_proto_msgTypes[13]
+		mi := &file_google_rpc_error_details_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -888,7 +1000,7 @@ func (x *BadRequest_FieldViolation) String() string {
 func (*BadRequest_FieldViolation) ProtoMessage() {}
 
 func (x *BadRequest_FieldViolation) ProtoReflect() protoreflect.Message {
-	mi := &file_google_rpc_error_details_proto_msgTypes[13]
+	mi := &file_google_rpc_error_details_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -918,6 +1030,20 @@ func (x *BadRequest_FieldViolation) GetDescription() string {
 	return ""
 }
 
+func (x *BadRequest_FieldViolation) GetReason() string {
+	if x != nil {
+		return x.Reason
+	}
+	return ""
+}
+
+func (x *BadRequest_FieldViolation) GetLocalizedMessage() *LocalizedMessage {
+	if x != nil {
+		return x.LocalizedMessage
+	}
+	return nil
+}
+
 // Describes a URL link.
 type Help_Link struct {
 	state         protoimpl.MessageState
@@ -933,7 +1059,7 @@ type Help_Link struct {
 func (x *Help_Link) Reset() {
 	*x = Help_Link{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_google_rpc_error_details_proto_msgTypes[14]
+		mi := &file_google_rpc_error_details_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -946,7 +1072,7 @@ func (x *Help_Link) String() string {
 func (*Help_Link) ProtoMessage() {}
 
 func (x *Help_Link) ProtoReflect() protoreflect.Message {
-	mi := &file_google_rpc_error_details_proto_msgTypes[14]
+	mi := &file_google_rpc_error_details_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1004,73 +1130,102 @@ var file_google_rpc_error_details_proto_rawDesc = []byte{
 	0x0a, 0x0d, 0x73, 0x74, 0x61, 0x63, 0x6b, 0x5f, 0x65, 0x6e, 0x74, 0x72, 0x69, 0x65, 0x73, 0x18,
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+	0x22, 0x44, 0x0a, 0x10, 0x4c, 0x6f, 0x63, 0x61, 0x6c, 0x69, 0x7a, 0x65, 0x64, 0x4d, 0x65, 0x73,
+	0x73, 0x61, 0x67, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x6c, 0x6f, 0x63, 0x61, 0x6c, 0x65, 0x18, 0x01,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6c, 0x6f, 0x63, 0x61, 0x6c, 0x65, 0x12, 0x18, 0x0a, 0x07,
+	0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d,
+	0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x42, 0x6c, 0x0a, 0x0e, 0x63, 0x6f, 0x6d, 0x2e, 0x67, 0x6f,
+	0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x72, 0x70, 0x63, 0x42, 0x11, 0x45, 0x72, 0x72, 0x6f, 0x72, 0x44,
+	0x65, 0x74, 0x61, 0x69, 0x6c, 0x73, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x3f, 0x67,
+	0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x67, 0x6f, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x6f, 0x72, 0x67,
+	0x2f, 0x67, 0x65, 0x6e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65,
+	0x61, 0x70, 0x69, 0x73, 0x2f, 0x72, 0x70, 0x63, 0x2f, 0x65, 0x72, 0x72, 0x64, 0x65, 0x74, 0x61,
+	0x69, 0x6c, 0x73, 0x3b, 0x65, 0x72, 0x72, 0x64, 0x65, 0x74, 0x61, 0x69, 0x6c, 0x73, 0xa2, 0x02,
+	0x03, 0x52, 0x50, 0x43, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1085,7 +1240,7 @@ func file_google_rpc_error_details_proto_rawDescGZIP() []byte {
 	return file_google_rpc_error_details_proto_rawDescData
 }
 
-var file_google_rpc_error_details_proto_msgTypes = make([]protoimpl.MessageInfo, 15)
+var file_google_rpc_error_details_proto_msgTypes = make([]protoimpl.MessageInfo, 16)
 var file_google_rpc_error_details_proto_goTypes = []interface{}{
 	(*ErrorInfo)(nil),                     // 0: google.rpc.ErrorInfo
 	(*RetryInfo)(nil),                     // 1: google.rpc.RetryInfo
@@ -1099,23 +1254,26 @@ var file_google_rpc_error_details_proto_goTypes = []interface{}{
 	(*LocalizedMessage)(nil),              // 9: google.rpc.LocalizedMessage
 	nil,                                   // 10: google.rpc.ErrorInfo.MetadataEntry
 	(*QuotaFailure_Violation)(nil),        // 11: google.rpc.QuotaFailure.Violation
-	(*PreconditionFailure_Violation)(nil), // 12: google.rpc.PreconditionFailure.Violation
-	(*BadRequest_FieldViolation)(nil),     // 13: google.rpc.BadRequest.FieldViolation
-	(*Help_Link)(nil),                     // 14: google.rpc.Help.Link
-	(*durationpb.Duration)(nil),           // 15: google.protobuf.Duration
+	nil,                                   // 12: google.rpc.QuotaFailure.Violation.QuotaDimensionsEntry
+	(*PreconditionFailure_Violation)(nil), // 13: google.rpc.PreconditionFailure.Violation
+	(*BadRequest_FieldViolation)(nil),     // 14: google.rpc.BadRequest.FieldViolation
+	(*Help_Link)(nil),                     // 15: google.rpc.Help.Link
+	(*durationpb.Duration)(nil),           // 16: google.protobuf.Duration
 }
 var file_google_rpc_error_details_proto_depIdxs = []int32{
 	10, // 0: google.rpc.ErrorInfo.metadata:type_name -> google.rpc.ErrorInfo.MetadataEntry
-	15, // 1: google.rpc.RetryInfo.retry_delay:type_name -> google.protobuf.Duration
+	16, // 1: google.rpc.RetryInfo.retry_delay:type_name -> google.protobuf.Duration
 	11, // 2: google.rpc.QuotaFailure.violations:type_name -> google.rpc.QuotaFailure.Violation
-	12, // 3: google.rpc.PreconditionFailure.violations:type_name -> google.rpc.PreconditionFailure.Violation
-	13, // 4: google.rpc.BadRequest.field_violations:type_name -> google.rpc.BadRequest.FieldViolation
-	14, // 5: google.rpc.Help.links:type_name -> google.rpc.Help.Link
-	6,  // [6:6] is the sub-list for method output_type
-	6,  // [6:6] is the sub-list for method input_type
-	6,  // [6:6] is the sub-list for extension type_name
-	6,  // [6:6] is the sub-list for extension extendee
-	0,  // [0:6] is the sub-list for field type_name
+	13, // 3: google.rpc.PreconditionFailure.violations:type_name -> google.rpc.PreconditionFailure.Violation
+	14, // 4: google.rpc.BadRequest.field_violations:type_name -> google.rpc.BadRequest.FieldViolation
+	15, // 5: google.rpc.Help.links:type_name -> google.rpc.Help.Link
+	12, // 6: google.rpc.QuotaFailure.Violation.quota_dimensions:type_name -> google.rpc.QuotaFailure.Violation.QuotaDimensionsEntry
+	9,  // 7: google.rpc.BadRequest.FieldViolation.localized_message:type_name -> google.rpc.LocalizedMessage
+	8,  // [8:8] is the sub-list for method output_type
+	8,  // [8:8] is the sub-list for method input_type
+	8,  // [8:8] is the sub-list for extension type_name
+	8,  // [8:8] is the sub-list for extension extendee
+	0,  // [0:8] is the sub-list for field type_name
 }
 
 func init() { file_google_rpc_error_details_proto_init() }
@@ -1256,7 +1414,7 @@ func file_google_rpc_error_details_proto_init() {
 				return nil
 			}
 		}
-		file_google_rpc_error_details_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+		file_google_rpc_error_details_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PreconditionFailure_Violation); i {
 			case 0:
 				return &v.state
@@ -1268,7 +1426,7 @@ func file_google_rpc_error_details_proto_init() {
 				return nil
 			}
 		}
-		file_google_rpc_error_details_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
+		file_google_rpc_error_details_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*BadRequest_FieldViolation); i {
 			case 0:
 				return &v.state
@@ -1280,7 +1438,7 @@ func file_google_rpc_error_details_proto_init() {
 				return nil
 			}
 		}
-		file_google_rpc_error_details_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+		file_google_rpc_error_details_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Help_Link); i {
 			case 0:
 				return &v.state
@@ -1293,13 +1451,14 @@ func file_google_rpc_error_details_proto_init() {
 			}
 		}
 	}
+	file_google_rpc_error_details_proto_msgTypes[11].OneofWrappers = []interface{}{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_google_rpc_error_details_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   15,
+			NumMessages:   16,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/vendor/google.golang.org/genproto/googleapis/rpc/status/status.pb.go b/vendor/google.golang.org/genproto/googleapis/rpc/status/status.pb.go
index 6ad1b1c1..06a3f710 100644
--- a/vendor/google.golang.org/genproto/googleapis/rpc/status/status.pb.go
+++ b/vendor/google.golang.org/genproto/googleapis/rpc/status/status.pb.go
@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/vendor/google.golang.org/grpc/CONTRIBUTING.md b/vendor/google.golang.org/grpc/CONTRIBUTING.md
index 0854d298..2079de7b 100644
--- a/vendor/google.golang.org/grpc/CONTRIBUTING.md
+++ b/vendor/google.golang.org/grpc/CONTRIBUTING.md
@@ -1,73 +1,159 @@
 # How to contribute
 
-We definitely welcome your patches and contributions to gRPC! Please read the gRPC
-organization's [governance rules](https://github.com/grpc/grpc-community/blob/master/governance.md)
-and [contribution guidelines](https://github.com/grpc/grpc-community/blob/master/CONTRIBUTING.md) before proceeding.
+We welcome your patches and contributions to gRPC! Please read the gRPC
+organization's [governance
+rules](https://github.com/grpc/grpc-community/blob/master/governance.md) before
+proceeding.
 
-If you are new to github, please start by reading [Pull Request howto](https://help.github.com/articles/about-pull-requests/)
+If you are new to GitHub, please start by reading [Pull Request howto](https://help.github.com/articles/about-pull-requests/)
 
 ## Legal requirements
 
 In order to protect both you and ourselves, you will need to sign the
-[Contributor License Agreement](https://identity.linuxfoundation.org/projects/cncf).
+[Contributor License
+Agreement](https://identity.linuxfoundation.org/projects/cncf). When you create
+your first PR, a link will be added as a comment that contains the steps needed
+to complete this process.
+
+## Getting Started
+
+A great way to start is by searching through our open issues. [Unassigned issues
+labeled as "help
+wanted"](https://github.com/grpc/grpc-go/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20label%3A%22Status%3A%20Help%20Wanted%22%20no%3Aassignee)
+are especially nice for first-time contributors, as they should be well-defined
+problems that already have agreed-upon solutions.
+
+## Code Style
+
+We follow [Google's published Go style
+guide](https://google.github.io/styleguide/go/). Note that there are three
+primary documents that make up this style guide; please follow them as closely
+as possible. If a reviewer recommends something that contradicts those
+guidelines, there may be valid reasons to do so, but it should be rare.
 
 ## Guidelines for Pull Requests
-How to get your contributions merged smoothly and quickly.
+
+Please read the following carefully to ensure your contributions can be merged
+smoothly and quickly.
+
+### PR Contents
 
 - Create **small PRs** that are narrowly focused on **addressing a single
-  concern**. We often times receive PRs that are trying to fix several things at
-  a time, but only one fix is considered acceptable, nothing gets merged and
-  both author's & review's time is wasted. Create more PRs to address different
-  concerns and everyone will be happy.
+  concern**. We often receive PRs that attempt to fix several things at the same
+  time, and if one part of the PR has a problem, that will hold up the entire
+  PR.
+
+- If your change does not address an **open issue** with an **agreed
+  resolution**, consider opening an issue and discussing it first. If you are
+  suggesting a behavioral or API change, consider starting with a [gRFC
+  proposal](https://github.com/grpc/proposal). Many new features that are not
+  bug fixes will require cross-language agreement.
+
+- If you want to fix **formatting or style**, consider whether your changes are
+  an obvious improvement or might be considered a personal preference. If a
+  style change is based on preference, it likely will not be accepted. If it
+  corrects widely agreed-upon anti-patterns, then please do create a PR and
+  explain the benefits of the change.
+
+- For correcting **misspellings**, please be aware that we use some terms that
+  are sometimes flagged by spell checkers. As an example, "if an only if" is
+  often written as "iff". Please do not make spelling correction changes unless
+  you are certain they are misspellings.
+
+- **All tests need to be passing** before your change can be merged. We
+  recommend you run tests locally before creating your PR to catch breakages
+  early on:
 
-- If you are searching for features to work on, issues labeled [Status: Help
-  Wanted](https://github.com/grpc/grpc-go/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc+label%3A%22Status%3A+Help+Wanted%22)
-  is a great place to start. These issues are well-documented and usually can be
-  resolved with a single pull request.
+  - `./scripts/vet.sh` to catch vet errors.
+  - `go test -cpu 1,4 -timeout 7m ./...` to run the tests.
+  - `go test -race -cpu 1,4 -timeout 7m ./...` to run tests in race mode.
 
-- If you are adding a new file, make sure it has the copyright message template 
-  at the top as a comment. You can copy over the message from an existing file 
-  and update the year.
+  Note that we have a multi-module repo, so `go test` commands may need to be
+  run from the root of each module in order to cause all tests to run.
+
+  *Alternatively*, you may find it easier to push your changes to your fork on
+  GitHub, which will trigger a GitHub Actions run that you can use to verify
+  everything is passing.
+
+- Note that there are two GitHub actions checks that need not be green:
+
+  1. We test the freshness of the generated proto code we maintain via the
+     `vet-proto` check. If the source proto files are updated, but our repo is
+     not updated, an optional checker will fail. This will be fixed by our team
+     in a separate PR and will not prevent the merge of your PR.
+
+  2. We run a checker that will fail if there is any change in dependencies of
+     an exported package via the `dependencies` check. If new dependencies are
+     added that are not appropriate, we may not accept your PR (see below).
+
+- If you are adding a **new file**, make sure it has the **copyright message**
+  template at the top as a comment. You can copy the message from an existing
+  file and update the year.
 
 - The grpc package should only depend on standard Go packages and a small number
-  of exceptions. If your contribution introduces new dependencies which are NOT
-  in the [list](https://godoc.org/google.golang.org/grpc?imports), you need a
-  discussion with gRPC-Go authors and consultants.
+  of exceptions. **If your contribution introduces new dependencies**, you will
+  need a discussion with gRPC-Go maintainers.
 
-- For speculative changes, consider opening an issue and discussing it first. If
-  you are suggesting a behavioral or API change, consider starting with a [gRFC
-  proposal](https://github.com/grpc/proposal).
+### PR Descriptions
 
-- Provide a good **PR description** as a record of **what** change is being made
-  and **why** it was made. Link to a github issue if it exists.
+- **PR titles** should start with the name of the component being addressed, or
+  the type of change. Examples: transport, client, server, round_robin, xds,
+  cleanup, deps.
 
-- If you want to fix formatting or style, consider whether your changes are an 
-  obvious improvement or might be considered a personal preference. If a style 
-  change is based on preference, it likely will not be accepted. If it corrects 
-  widely agreed-upon anti-patterns, then please do create a PR and explain the 
-  benefits of the change.
+- Read and follow the **guidelines for PR titles and descriptions** here:
+  https://google.github.io/eng-practices/review/developer/cl-descriptions.html
 
-- Unless your PR is trivial, you should expect there will be reviewer comments
-  that you'll need to address before merging. We'll mark it as `Status: Requires
-  Reporter Clarification` if we expect you to respond to these comments in a
-  timely manner. If the PR remains inactive for 6 days, it will be marked as
-  `stale` and automatically close 7 days after that if we don't hear back from
-  you.
+  *particularly* the sections "First Line" and "Body is Informative".
 
-- Maintain **clean commit history** and use **meaningful commit messages**. PRs
-  with messy commit history are difficult to review and won't be merged. Use
-  `rebase -i upstream/master` to curate your commit history and/or to bring in
-  latest changes from master (but avoid rebasing in the middle of a code
-  review).
+  Note: your PR description will be used as the git commit message in a
+  squash-and-merge if your PR is approved. We may make changes to this as
+  necessary.
 
-- Keep your PR up to date with upstream/master (if there are merge conflicts, we
-  can't really merge your change).
+- **Does this PR relate to an open issue?** On the first line, please use the
+  tag `Fixes #<issue>` to ensure the issue is closed when the PR is merged. Or
+  use `Updates #<issue>` if the PR is related to an open issue, but does not fix
+  it. Consider filing an issue if one does not already exist.
 
-- **All tests need to be passing** before your change can be merged. We
-  recommend you **run tests locally** before creating your PR to catch breakages
-  early on.
-  - `./scripts/vet.sh` to catch vet errors
-  - `go test -cpu 1,4 -timeout 7m ./...` to run the tests
-  - `go test -race -cpu 1,4 -timeout 7m ./...` to run tests in race mode
+- PR descriptions *must* conclude with **release notes** as follows:
+
+  ```
+  RELEASE NOTES:
+  * <component>: <summary>
+  ```
+
+  This need not match the PR title.
+
+  The summary must:
+
+  * be something that gRPC users will understand.
+
+  * clearly explain the feature being added, the issue being fixed, or the
+    behavior being changed, etc. If fixing a bug, be clear about how the bug
+    can be triggered by an end-user.
+
+  * begin with a capital letter and use complete sentences.
 
-- Exceptions to the rules can be made if there's a compelling reason for doing so.
+  * be as short as possible to describe the change being made.
+
+  If a PR is *not* end-user visible -- e.g. a cleanup, testing change, or
+  GitHub-related, use `RELEASE NOTES: n/a`.
+
+### PR Process
+
+- Please **self-review** your code changes before sending your PR. This will
+  prevent simple, obvious errors from causing delays.
+
+- Maintain a **clean commit history** and use **meaningful commit messages**.
+  PRs with messy commit histories are difficult to review and won't be merged.
+  Before sending your PR, ensure your changes are based on top of the latest
+  `upstream/master` commits, and avoid rebasing in the middle of a code review.
+  You should **never use `git push -f`** unless absolutely necessary during a
+  review, as it can interfere with GitHub's tracking of comments.
+
+- Unless your PR is trivial, you should **expect reviewer comments** that you
+  will need to address before merging. We'll label the PR as `Status: Requires
+  Reporter Clarification` if we expect you to respond to these comments in a
+  timely manner. If the PR remains inactive for 6 days, it will be marked as
+  `stale`, and we will automatically close it after 7 days if we don't hear back
+  from you. Please feel free to ping issues or bugs if you do not get a response
+  within a week.
diff --git a/vendor/google.golang.org/grpc/MAINTAINERS.md b/vendor/google.golang.org/grpc/MAINTAINERS.md
index 5d4096d4..df35bb9a 100644
--- a/vendor/google.golang.org/grpc/MAINTAINERS.md
+++ b/vendor/google.golang.org/grpc/MAINTAINERS.md
@@ -9,21 +9,19 @@ for general contribution guidelines.
 
 ## Maintainers (in alphabetical order)
 
-- [aranjans](https://github.com/aranjans), Google LLC
 - [arjan-bal](https://github.com/arjan-bal), Google LLC
 - [arvindbr8](https://github.com/arvindbr8), Google LLC
 - [atollena](https://github.com/atollena), Datadog, Inc.
 - [dfawley](https://github.com/dfawley), Google LLC
 - [easwars](https://github.com/easwars), Google LLC
-- [erm-g](https://github.com/erm-g), Google LLC
 - [gtcooke94](https://github.com/gtcooke94), Google LLC
-- [purnesh42h](https://github.com/purnesh42h), Google LLC
-- [zasweq](https://github.com/zasweq), Google LLC
 
 ## Emeritus Maintainers (in alphabetical order)
 - [adelez](https://github.com/adelez)
+- [aranjans](https://github.com/aranjans)
 - [canguler](https://github.com/canguler)
 - [cesarghali](https://github.com/cesarghali)
+- [erm-g](https://github.com/erm-g)
 - [iamqizhao](https://github.com/iamqizhao)
 - [jeanbza](https://github.com/jeanbza)
 - [jtattermusch](https://github.com/jtattermusch)
@@ -32,5 +30,7 @@ for general contribution guidelines.
 - [matt-kwong](https://github.com/matt-kwong)
 - [menghanl](https://github.com/menghanl)
 - [nicolasnoble](https://github.com/nicolasnoble)
+- [purnesh42h](https://github.com/purnesh42h)
 - [srini100](https://github.com/srini100)
 - [yongni](https://github.com/yongni)
+- [zasweq](https://github.com/zasweq)
diff --git a/vendor/google.golang.org/grpc/README.md b/vendor/google.golang.org/grpc/README.md
index b572707c..f9a88d59 100644
--- a/vendor/google.golang.org/grpc/README.md
+++ b/vendor/google.golang.org/grpc/README.md
@@ -32,6 +32,7 @@ import "google.golang.org/grpc"
 - [Low-level technical docs](Documentation) from this repository
 - [Performance benchmark][]
 - [Examples](examples)
+- [Contribution guidelines](CONTRIBUTING.md)
 
 ## FAQ
 
diff --git a/vendor/google.golang.org/grpc/balancer/balancer.go b/vendor/google.golang.org/grpc/balancer/balancer.go
index b181f386..d08b7ad6 100644
--- a/vendor/google.golang.org/grpc/balancer/balancer.go
+++ b/vendor/google.golang.org/grpc/balancer/balancer.go
@@ -73,21 +73,8 @@ func unregisterForTesting(name string) {
 	delete(m, name)
 }
 
-// connectedAddress returns the connected address for a SubConnState. The
-// address is only valid if the state is READY.
-func connectedAddress(scs SubConnState) resolver.Address {
-	return scs.connectedAddress
-}
-
-// setConnectedAddress sets the connected address for a SubConnState.
-func setConnectedAddress(scs *SubConnState, addr resolver.Address) {
-	scs.connectedAddress = addr
-}
-
 func init() {
 	internal.BalancerUnregister = unregisterForTesting
-	internal.ConnectedAddress = connectedAddress
-	internal.SetConnectedAddress = setConnectedAddress
 }
 
 // Get returns the resolver builder registered with the given name.
@@ -106,54 +93,6 @@ func Get(name string) Builder {
 	return nil
 }
 
-// A SubConn represents a single connection to a gRPC backend service.
-//
-// Each SubConn contains a list of addresses.
-//
-// All SubConns start in IDLE, and will not try to connect. To trigger the
-// connecting, Balancers must call Connect.  If a connection re-enters IDLE,
-// Balancers must call Connect again to trigger a new connection attempt.
-//
-// gRPC will try to connect to the addresses in sequence, and stop trying the
-// remainder once the first connection is successful. If an attempt to connect
-// to all addresses encounters an error, the SubConn will enter
-// TRANSIENT_FAILURE for a backoff period, and then transition to IDLE.
-//
-// Once established, if a connection is lost, the SubConn will transition
-// directly to IDLE.
-//
-// This interface is to be implemented by gRPC. Users should not need their own
-// implementation of this interface. For situations like testing, any
-// implementations should embed this interface. This allows gRPC to add new
-// methods to this interface.
-type SubConn interface {
-	// UpdateAddresses updates the addresses used in this SubConn.
-	// gRPC checks if currently-connected address is still in the new list.
-	// If it's in the list, the connection will be kept.
-	// If it's not in the list, the connection will gracefully closed, and
-	// a new connection will be created.
-	//
-	// This will trigger a state transition for the SubConn.
-	//
-	// Deprecated: this method will be removed.  Create new SubConns for new
-	// addresses instead.
-	UpdateAddresses([]resolver.Address)
-	// Connect starts the connecting for this SubConn.
-	Connect()
-	// GetOrBuildProducer returns a reference to the existing Producer for this
-	// ProducerBuilder in this SubConn, or, if one does not currently exist,
-	// creates a new one and returns it.  Returns a close function which must
-	// be called when the Producer is no longer needed.
-	GetOrBuildProducer(ProducerBuilder) (p Producer, close func())
-	// Shutdown shuts down the SubConn gracefully.  Any started RPCs will be
-	// allowed to complete.  No future calls should be made on the SubConn.
-	// One final state update will be delivered to the StateListener (or
-	// UpdateSubConnState; deprecated) with ConnectivityState of Shutdown to
-	// indicate the shutdown operation.  This may be delivered before
-	// in-progress RPCs are complete and the actual connection is closed.
-	Shutdown()
-}
-
 // NewSubConnOptions contains options to create new SubConn.
 type NewSubConnOptions struct {
 	// CredsBundle is the credentials bundle that will be used in the created
@@ -188,6 +127,13 @@ type State struct {
 // brand new implementation of this interface. For the situations like
 // testing, the new implementation should embed this interface. This allows
 // gRPC to add new methods to this interface.
+//
+// NOTICE: This interface is intended to be implemented by gRPC, or intercepted
+// by custom load balancing polices.  Users should not need their own complete
+// implementation of this interface -- they should always delegate to a
+// ClientConn passed to Builder.Build() by embedding it in their
+// implementations. An embedded ClientConn must never be nil, or runtime panics
+// will occur.
 type ClientConn interface {
 	// NewSubConn is called by balancer to create a new SubConn.
 	// It doesn't block and wait for the connections to be established.
@@ -226,6 +172,17 @@ type ClientConn interface {
 	//
 	// Deprecated: Use the Target field in the BuildOptions instead.
 	Target() string
+
+	// MetricsRecorder provides the metrics recorder that balancers can use to
+	// record metrics. Balancer implementations which do not register metrics on
+	// metrics registry and record on them can ignore this method. The returned
+	// MetricsRecorder is guaranteed to never be nil.
+	MetricsRecorder() estats.MetricsRecorder
+
+	// EnforceClientConnEmbedding is included to force implementers to embed
+	// another implementation of this interface, allowing gRPC to add methods
+	// without breaking users.
+	internal.EnforceClientConnEmbedding
 }
 
 // BuildOptions contains additional information for Build.
@@ -257,10 +214,6 @@ type BuildOptions struct {
 	// same resolver.Target as passed to the resolver. See the documentation for
 	// the resolver.Target type for details about what it contains.
 	Target resolver.Target
-	// MetricsRecorder is the metrics recorder that balancers can use to record
-	// metrics. Balancer implementations which do not register metrics on
-	// metrics registry and record on them can ignore this field.
-	MetricsRecorder estats.MetricsRecorder
 }
 
 // Builder creates a balancer.
@@ -405,6 +358,10 @@ type Balancer interface {
 	// call SubConn.Shutdown for its existing SubConns; however, this will be
 	// required in a future release, so it is recommended.
 	Close()
+	// ExitIdle instructs the LB policy to reconnect to backends / exit the
+	// IDLE state, if appropriate and possible.  Note that SubConns that enter
+	// the IDLE state will not reconnect until SubConn.Connect is called.
+	ExitIdle()
 }
 
 // ExitIdler is an optional interface for balancers to implement.  If
@@ -412,8 +369,8 @@ type Balancer interface {
 // the ClientConn is idle.  If unimplemented, ClientConn.Connect will cause
 // all SubConns to connect.
 //
-// Notice: it will be required for all balancers to implement this in a future
-// release.
+// Deprecated: All balancers must implement this interface. This interface will
+// be removed in a future release.
 type ExitIdler interface {
 	// ExitIdle instructs the LB policy to reconnect to backends / exit the
 	// IDLE state, if appropriate and possible.  Note that SubConns that enter
@@ -421,18 +378,6 @@ type ExitIdler interface {
 	ExitIdle()
 }
 
-// SubConnState describes the state of a SubConn.
-type SubConnState struct {
-	// ConnectivityState is the connectivity state of the SubConn.
-	ConnectivityState connectivity.State
-	// ConnectionError is set if the ConnectivityState is TransientFailure,
-	// describing the reason the SubConn failed.  Otherwise, it is nil.
-	ConnectionError error
-	// connectedAddr contains the connected address when ConnectivityState is
-	// Ready. Otherwise, it is indeterminate.
-	connectedAddress resolver.Address
-}
-
 // ClientConnState describes the state of a ClientConn relevant to the
 // balancer.
 type ClientConnState struct {
@@ -445,20 +390,3 @@ type ClientConnState struct {
 // ErrBadResolverState may be returned by UpdateClientConnState to indicate a
 // problem with the provided name resolver data.
 var ErrBadResolverState = errors.New("bad resolver state")
-
-// A ProducerBuilder is a simple constructor for a Producer.  It is used by the
-// SubConn to create producers when needed.
-type ProducerBuilder interface {
-	// Build creates a Producer.  The first parameter is always a
-	// grpc.ClientConnInterface (a type to allow creating RPCs/streams on the
-	// associated SubConn), but is declared as `any` to avoid a dependency
-	// cycle.  Should also return a close function that will be called when all
-	// references to the Producer have been given up.
-	Build(grpcClientConnInterface any) (p Producer, close func())
-}
-
-// A Producer is a type shared among potentially many consumers.  It is
-// associated with a SubConn, and an implementation will typically contain
-// other methods to provide additional functionality, e.g. configuration or
-// subscription registration.
-type Producer any
diff --git a/vendor/google.golang.org/grpc/balancer/base/balancer.go b/vendor/google.golang.org/grpc/balancer/base/balancer.go
index a7f1eeec..4d576876 100644
--- a/vendor/google.golang.org/grpc/balancer/base/balancer.go
+++ b/vendor/google.golang.org/grpc/balancer/base/balancer.go
@@ -36,12 +36,12 @@ type baseBuilder struct {
 	config        Config
 }
 
-func (bb *baseBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions) balancer.Balancer {
+func (bb *baseBuilder) Build(cc balancer.ClientConn, _ balancer.BuildOptions) balancer.Balancer {
 	bal := &baseBalancer{
 		cc:            cc,
 		pickerBuilder: bb.pickerBuilder,
 
-		subConns: resolver.NewAddressMap(),
+		subConns: resolver.NewAddressMapV2[balancer.SubConn](),
 		scStates: make(map[balancer.SubConn]connectivity.State),
 		csEvltr:  &balancer.ConnectivityStateEvaluator{},
 		config:   bb.config,
@@ -65,7 +65,7 @@ type baseBalancer struct {
 	csEvltr *balancer.ConnectivityStateEvaluator
 	state   connectivity.State
 
-	subConns *resolver.AddressMap
+	subConns *resolver.AddressMapV2[balancer.SubConn]
 	scStates map[balancer.SubConn]connectivity.State
 	picker   balancer.Picker
 	config   Config
@@ -100,7 +100,7 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
 	// Successful resolution; clear resolver error and ensure we return nil.
 	b.resolverErr = nil
 	// addrsSet is the set converted from addrs, it's used for quick lookup of an address.
-	addrsSet := resolver.NewAddressMap()
+	addrsSet := resolver.NewAddressMapV2[any]()
 	for _, a := range s.ResolverState.Addresses {
 		addrsSet.Set(a, nil)
 		if _, ok := b.subConns.Get(a); !ok {
@@ -122,8 +122,7 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
 		}
 	}
 	for _, a := range b.subConns.Keys() {
-		sci, _ := b.subConns.Get(a)
-		sc := sci.(balancer.SubConn)
+		sc, _ := b.subConns.Get(a)
 		// a was removed by resolver.
 		if _, ok := addrsSet.Get(a); !ok {
 			sc.Shutdown()
@@ -133,7 +132,7 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
 		}
 	}
 	// If resolver state contains no addresses, return an error so ClientConn
-	// will trigger re-resolve. Also records this as an resolver error, so when
+	// will trigger re-resolve. Also records this as a resolver error, so when
 	// the overall state turns transient failure, the error message will have
 	// the zero address information.
 	if len(s.ResolverState.Addresses) == 0 {
@@ -173,8 +172,7 @@ func (b *baseBalancer) regeneratePicker() {
 
 	// Filter out all ready SCs from full subConn map.
 	for _, addr := range b.subConns.Keys() {
-		sci, _ := b.subConns.Get(addr)
-		sc := sci.(balancer.SubConn)
+		sc, _ := b.subConns.Get(addr)
 		if st, ok := b.scStates[sc]; ok && st == connectivity.Ready {
 			readySCs[sc] = SubConnInfo{Address: addr}
 		}
@@ -259,6 +257,6 @@ type errPicker struct {
 	err error // Pick() always returns this err.
 }
 
-func (p *errPicker) Pick(info balancer.PickInfo) (balancer.PickResult, error) {
+func (p *errPicker) Pick(balancer.PickInfo) (balancer.PickResult, error) {
 	return balancer.PickResult{}, p.err
 }
diff --git a/vendor/google.golang.org/grpc/balancer/endpointsharding/endpointsharding.go b/vendor/google.golang.org/grpc/balancer/endpointsharding/endpointsharding.go
new file mode 100644
index 00000000..360db08e
--- /dev/null
+++ b/vendor/google.golang.org/grpc/balancer/endpointsharding/endpointsharding.go
@@ -0,0 +1,389 @@
+/*
+ *
+ * Copyright 2024 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package endpointsharding implements a load balancing policy that manages
+// homogeneous child policies each owning a single endpoint.
+//
+// # Experimental
+//
+// Notice: This package is EXPERIMENTAL and may be changed or removed in a
+// later release.
+package endpointsharding
+
+import (
+	"errors"
+	rand "math/rand/v2"
+	"sync"
+	"sync/atomic"
+
+	"google.golang.org/grpc/balancer"
+	"google.golang.org/grpc/balancer/base"
+	"google.golang.org/grpc/connectivity"
+	"google.golang.org/grpc/resolver"
+)
+
+var randIntN = rand.IntN
+
+// ChildState is the balancer state of a child along with the endpoint which
+// identifies the child balancer.
+type ChildState struct {
+	Endpoint resolver.Endpoint
+	State    balancer.State
+
+	// Balancer exposes only the ExitIdler interface of the child LB policy.
+	// Other methods of the child policy are called only by endpointsharding.
+	Balancer ExitIdler
+}
+
+// ExitIdler provides access to only the ExitIdle method of the child balancer.
+type ExitIdler interface {
+	// ExitIdle instructs the LB policy to reconnect to backends / exit the
+	// IDLE state, if appropriate and possible.  Note that SubConns that enter
+	// the IDLE state will not reconnect until SubConn.Connect is called.
+	ExitIdle()
+}
+
+// Options are the options to configure the behaviour of the
+// endpointsharding balancer.
+type Options struct {
+	// DisableAutoReconnect allows the balancer to keep child balancer in the
+	// IDLE state until they are explicitly triggered to exit using the
+	// ChildState obtained from the endpointsharding picker. When set to false,
+	// the endpointsharding balancer will automatically call ExitIdle on child
+	// connections that report IDLE.
+	DisableAutoReconnect bool
+}
+
+// ChildBuilderFunc creates a new balancer with the ClientConn. It has the same
+// type as the balancer.Builder.Build method.
+type ChildBuilderFunc func(cc balancer.ClientConn, opts balancer.BuildOptions) balancer.Balancer
+
+// NewBalancer returns a load balancing policy that manages homogeneous child
+// policies each owning a single endpoint. The endpointsharding balancer
+// forwards the LoadBalancingConfig in ClientConn state updates to its children.
+func NewBalancer(cc balancer.ClientConn, opts balancer.BuildOptions, childBuilder ChildBuilderFunc, esOpts Options) balancer.Balancer {
+	es := &endpointSharding{
+		cc:           cc,
+		bOpts:        opts,
+		esOpts:       esOpts,
+		childBuilder: childBuilder,
+	}
+	es.children.Store(resolver.NewEndpointMap[*balancerWrapper]())
+	return es
+}
+
+// endpointSharding is a balancer that wraps child balancers. It creates a child
+// balancer with child config for every unique Endpoint received. It updates the
+// child states on any update from parent or child.
+type endpointSharding struct {
+	cc           balancer.ClientConn
+	bOpts        balancer.BuildOptions
+	esOpts       Options
+	childBuilder ChildBuilderFunc
+
+	// childMu synchronizes calls to any single child. It must be held for all
+	// calls into a child. To avoid deadlocks, do not acquire childMu while
+	// holding mu.
+	childMu  sync.Mutex
+	children atomic.Pointer[resolver.EndpointMap[*balancerWrapper]]
+
+	// inhibitChildUpdates is set during UpdateClientConnState/ResolverError
+	// calls (calls to children will each produce an update, only want one
+	// update).
+	inhibitChildUpdates atomic.Bool
+
+	// mu synchronizes access to the state stored in balancerWrappers in the
+	// children field. mu must not be held during calls into a child since
+	// synchronous calls back from the child may require taking mu, causing a
+	// deadlock. To avoid deadlocks, do not acquire childMu while holding mu.
+	mu sync.Mutex
+}
+
+// rotateEndpoints returns a slice of all the input endpoints rotated a random
+// amount.
+func rotateEndpoints(es []resolver.Endpoint) []resolver.Endpoint {
+	les := len(es)
+	if les == 0 {
+		return es
+	}
+	r := randIntN(les)
+	// Make a copy to avoid mutating data beyond the end of es.
+	ret := make([]resolver.Endpoint, les)
+	copy(ret, es[r:])
+	copy(ret[les-r:], es[:r])
+	return ret
+}
+
+// UpdateClientConnState creates a child for new endpoints and deletes children
+// for endpoints that are no longer present. It also updates all the children,
+// and sends a single synchronous update of the childrens' aggregated state at
+// the end of the UpdateClientConnState operation. If any endpoint has no
+// addresses it will ignore that endpoint. Otherwise, returns first error found
+// from a child, but fully processes the new update.
+func (es *endpointSharding) UpdateClientConnState(state balancer.ClientConnState) error {
+	es.childMu.Lock()
+	defer es.childMu.Unlock()
+
+	es.inhibitChildUpdates.Store(true)
+	defer func() {
+		es.inhibitChildUpdates.Store(false)
+		es.updateState()
+	}()
+	var ret error
+
+	children := es.children.Load()
+	newChildren := resolver.NewEndpointMap[*balancerWrapper]()
+
+	// Update/Create new children.
+	for _, endpoint := range rotateEndpoints(state.ResolverState.Endpoints) {
+		if _, ok := newChildren.Get(endpoint); ok {
+			// Endpoint child was already created, continue to avoid duplicate
+			// update.
+			continue
+		}
+		childBalancer, ok := children.Get(endpoint)
+		if ok {
+			// Endpoint attributes may have changed, update the stored endpoint.
+			es.mu.Lock()
+			childBalancer.childState.Endpoint = endpoint
+			es.mu.Unlock()
+		} else {
+			childBalancer = &balancerWrapper{
+				childState: ChildState{Endpoint: endpoint},
+				ClientConn: es.cc,
+				es:         es,
+			}
+			childBalancer.childState.Balancer = childBalancer
+			childBalancer.child = es.childBuilder(childBalancer, es.bOpts)
+		}
+		newChildren.Set(endpoint, childBalancer)
+		if err := childBalancer.updateClientConnStateLocked(balancer.ClientConnState{
+			BalancerConfig: state.BalancerConfig,
+			ResolverState: resolver.State{
+				Endpoints:  []resolver.Endpoint{endpoint},
+				Attributes: state.ResolverState.Attributes,
+			},
+		}); err != nil && ret == nil {
+			// Return first error found, and always commit full processing of
+			// updating children. If desired to process more specific errors
+			// across all endpoints, caller should make these specific
+			// validations, this is a current limitation for simplicity sake.
+			ret = err
+		}
+	}
+	// Delete old children that are no longer present.
+	for _, e := range children.Keys() {
+		child, _ := children.Get(e)
+		if _, ok := newChildren.Get(e); !ok {
+			child.closeLocked()
+		}
+	}
+	es.children.Store(newChildren)
+	if newChildren.Len() == 0 {
+		return balancer.ErrBadResolverState
+	}
+	return ret
+}
+
+// ResolverError forwards the resolver error to all of the endpointSharding's
+// children and sends a single synchronous update of the childStates at the end
+// of the ResolverError operation.
+func (es *endpointSharding) ResolverError(err error) {
+	es.childMu.Lock()
+	defer es.childMu.Unlock()
+	es.inhibitChildUpdates.Store(true)
+	defer func() {
+		es.inhibitChildUpdates.Store(false)
+		es.updateState()
+	}()
+	children := es.children.Load()
+	for _, child := range children.Values() {
+		child.resolverErrorLocked(err)
+	}
+}
+
+func (es *endpointSharding) UpdateSubConnState(balancer.SubConn, balancer.SubConnState) {
+	// UpdateSubConnState is deprecated.
+}
+
+func (es *endpointSharding) Close() {
+	es.childMu.Lock()
+	defer es.childMu.Unlock()
+	children := es.children.Load()
+	for _, child := range children.Values() {
+		child.closeLocked()
+	}
+}
+
+func (es *endpointSharding) ExitIdle() {
+	es.childMu.Lock()
+	defer es.childMu.Unlock()
+	for _, bw := range es.children.Load().Values() {
+		if !bw.isClosed {
+			bw.child.ExitIdle()
+		}
+	}
+}
+
+// updateState updates this component's state. It sends the aggregated state,
+// and a picker with round robin behavior with all the child states present if
+// needed.
+func (es *endpointSharding) updateState() {
+	if es.inhibitChildUpdates.Load() {
+		return
+	}
+	var readyPickers, connectingPickers, idlePickers, transientFailurePickers []balancer.Picker
+
+	es.mu.Lock()
+	defer es.mu.Unlock()
+
+	children := es.children.Load()
+	childStates := make([]ChildState, 0, children.Len())
+
+	for _, child := range children.Values() {
+		childState := child.childState
+		childStates = append(childStates, childState)
+		childPicker := childState.State.Picker
+		switch childState.State.ConnectivityState {
+		case connectivity.Ready:
+			readyPickers = append(readyPickers, childPicker)
+		case connectivity.Connecting:
+			connectingPickers = append(connectingPickers, childPicker)
+		case connectivity.Idle:
+			idlePickers = append(idlePickers, childPicker)
+		case connectivity.TransientFailure:
+			transientFailurePickers = append(transientFailurePickers, childPicker)
+			// connectivity.Shutdown shouldn't appear.
+		}
+	}
+
+	// Construct the round robin picker based off the aggregated state. Whatever
+	// the aggregated state, use the pickers present that are currently in that
+	// state only.
+	var aggState connectivity.State
+	var pickers []balancer.Picker
+	if len(readyPickers) >= 1 {
+		aggState = connectivity.Ready
+		pickers = readyPickers
+	} else if len(connectingPickers) >= 1 {
+		aggState = connectivity.Connecting
+		pickers = connectingPickers
+	} else if len(idlePickers) >= 1 {
+		aggState = connectivity.Idle
+		pickers = idlePickers
+	} else if len(transientFailurePickers) >= 1 {
+		aggState = connectivity.TransientFailure
+		pickers = transientFailurePickers
+	} else {
+		aggState = connectivity.TransientFailure
+		pickers = []balancer.Picker{base.NewErrPicker(errors.New("no children to pick from"))}
+	} // No children (resolver error before valid update).
+	p := &pickerWithChildStates{
+		pickers:     pickers,
+		childStates: childStates,
+		next:        uint32(randIntN(len(pickers))),
+	}
+	es.cc.UpdateState(balancer.State{
+		ConnectivityState: aggState,
+		Picker:            p,
+	})
+}
+
+// pickerWithChildStates delegates to the pickers it holds in a round robin
+// fashion. It also contains the childStates of all the endpointSharding's
+// children.
+type pickerWithChildStates struct {
+	pickers     []balancer.Picker
+	childStates []ChildState
+	next        uint32
+}
+
+func (p *pickerWithChildStates) Pick(info balancer.PickInfo) (balancer.PickResult, error) {
+	nextIndex := atomic.AddUint32(&p.next, 1)
+	picker := p.pickers[nextIndex%uint32(len(p.pickers))]
+	return picker.Pick(info)
+}
+
+// ChildStatesFromPicker returns the state of all the children managed by the
+// endpoint sharding balancer that created this picker.
+func ChildStatesFromPicker(picker balancer.Picker) []ChildState {
+	p, ok := picker.(*pickerWithChildStates)
+	if !ok {
+		return nil
+	}
+	return p.childStates
+}
+
+// balancerWrapper is a wrapper of a balancer. It ID's a child balancer by
+// endpoint, and persists recent child balancer state.
+type balancerWrapper struct {
+	// The following fields are initialized at build time and read-only after
+	// that and therefore do not need to be guarded by a mutex.
+
+	// child contains the wrapped balancer. Access its methods only through
+	// methods on balancerWrapper to ensure proper synchronization
+	child               balancer.Balancer
+	balancer.ClientConn // embed to intercept UpdateState, doesn't deal with SubConns
+
+	es *endpointSharding
+
+	// Access to the following fields is guarded by es.mu.
+
+	childState ChildState
+	isClosed   bool
+}
+
+func (bw *balancerWrapper) UpdateState(state balancer.State) {
+	bw.es.mu.Lock()
+	bw.childState.State = state
+	bw.es.mu.Unlock()
+	if state.ConnectivityState == connectivity.Idle && !bw.es.esOpts.DisableAutoReconnect {
+		bw.ExitIdle()
+	}
+	bw.es.updateState()
+}
+
+// ExitIdle pings an IDLE child balancer to exit idle in a new goroutine to
+// avoid deadlocks due to synchronous balancer state updates.
+func (bw *balancerWrapper) ExitIdle() {
+	go func() {
+		bw.es.childMu.Lock()
+		if !bw.isClosed {
+			bw.child.ExitIdle()
+		}
+		bw.es.childMu.Unlock()
+	}()
+}
+
+// updateClientConnStateLocked delivers the ClientConnState to the child
+// balancer. Callers must hold the child mutex of the parent endpointsharding
+// balancer.
+func (bw *balancerWrapper) updateClientConnStateLocked(ccs balancer.ClientConnState) error {
+	return bw.child.UpdateClientConnState(ccs)
+}
+
+// closeLocked closes the child balancer. Callers must hold the child mutext of
+// the parent endpointsharding balancer.
+func (bw *balancerWrapper) closeLocked() {
+	bw.child.Close()
+	bw.isClosed = true
+}
+
+func (bw *balancerWrapper) resolverErrorLocked(err error) {
+	bw.child.ResolverError(err)
+}
diff --git a/vendor/google.golang.org/grpc/balancer/grpclb/grpc_lb_v1/load_balancer.pb.go b/vendor/google.golang.org/grpc/balancer/grpclb/grpc_lb_v1/load_balancer.pb.go
index f0b1a274..7ad4d6d1 100644
--- a/vendor/google.golang.org/grpc/balancer/grpclb/grpc_lb_v1/load_balancer.pb.go
+++ b/vendor/google.golang.org/grpc/balancer/grpclb/grpc_lb_v1/load_balancer.pb.go
@@ -19,7 +19,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.34.1
+// 	protoc-gen-go v1.36.10
 // 	protoc        v5.27.1
 // source: grpc/lb/v1/load_balancer.proto
 
@@ -32,6 +32,7 @@ import (
 	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
 	reflect "reflect"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 const (
@@ -42,24 +43,21 @@ const (
 )
 
 type LoadBalanceRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// Types that are assignable to LoadBalanceRequestType:
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// Types that are valid to be assigned to LoadBalanceRequestType:
 	//
 	//	*LoadBalanceRequest_InitialRequest
 	//	*LoadBalanceRequest_ClientStats
 	LoadBalanceRequestType isLoadBalanceRequest_LoadBalanceRequestType `protobuf_oneof:"load_balance_request_type"`
+	unknownFields          protoimpl.UnknownFields
+	sizeCache              protoimpl.SizeCache
 }
 
 func (x *LoadBalanceRequest) Reset() {
 	*x = LoadBalanceRequest{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *LoadBalanceRequest) String() string {
@@ -70,7 +68,7 @@ func (*LoadBalanceRequest) ProtoMessage() {}
 
 func (x *LoadBalanceRequest) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[0]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -85,23 +83,27 @@ func (*LoadBalanceRequest) Descriptor() ([]byte, []int) {
 	return file_grpc_lb_v1_load_balancer_proto_rawDescGZIP(), []int{0}
 }
 
-func (m *LoadBalanceRequest) GetLoadBalanceRequestType() isLoadBalanceRequest_LoadBalanceRequestType {
-	if m != nil {
-		return m.LoadBalanceRequestType
+func (x *LoadBalanceRequest) GetLoadBalanceRequestType() isLoadBalanceRequest_LoadBalanceRequestType {
+	if x != nil {
+		return x.LoadBalanceRequestType
 	}
 	return nil
 }
 
 func (x *LoadBalanceRequest) GetInitialRequest() *InitialLoadBalanceRequest {
-	if x, ok := x.GetLoadBalanceRequestType().(*LoadBalanceRequest_InitialRequest); ok {
-		return x.InitialRequest
+	if x != nil {
+		if x, ok := x.LoadBalanceRequestType.(*LoadBalanceRequest_InitialRequest); ok {
+			return x.InitialRequest
+		}
 	}
 	return nil
 }
 
 func (x *LoadBalanceRequest) GetClientStats() *ClientStats {
-	if x, ok := x.GetLoadBalanceRequestType().(*LoadBalanceRequest_ClientStats); ok {
-		return x.ClientStats
+	if x != nil {
+		if x, ok := x.LoadBalanceRequestType.(*LoadBalanceRequest_ClientStats); ok {
+			return x.ClientStats
+		}
 	}
 	return nil
 }
@@ -126,24 +128,21 @@ func (*LoadBalanceRequest_InitialRequest) isLoadBalanceRequest_LoadBalanceReques
 func (*LoadBalanceRequest_ClientStats) isLoadBalanceRequest_LoadBalanceRequestType() {}
 
 type InitialLoadBalanceRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// The name of the load balanced service (e.g., service.googleapis.com). Its
 	// length should be less than 256 bytes.
 	// The name might include a port number. How to handle the port number is up
 	// to the balancer.
-	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Name          string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *InitialLoadBalanceRequest) Reset() {
 	*x = InitialLoadBalanceRequest{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[1]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *InitialLoadBalanceRequest) String() string {
@@ -154,7 +153,7 @@ func (*InitialLoadBalanceRequest) ProtoMessage() {}
 
 func (x *InitialLoadBalanceRequest) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[1]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -178,23 +177,20 @@ func (x *InitialLoadBalanceRequest) GetName() string {
 
 // Contains the number of calls finished for a particular load balance token.
 type ClientStatsPerToken struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// See Server.load_balance_token.
 	LoadBalanceToken string `protobuf:"bytes,1,opt,name=load_balance_token,json=loadBalanceToken,proto3" json:"load_balance_token,omitempty"`
 	// The total number of RPCs that finished associated with the token.
-	NumCalls int64 `protobuf:"varint,2,opt,name=num_calls,json=numCalls,proto3" json:"num_calls,omitempty"`
+	NumCalls      int64 `protobuf:"varint,2,opt,name=num_calls,json=numCalls,proto3" json:"num_calls,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *ClientStatsPerToken) Reset() {
 	*x = ClientStatsPerToken{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[2]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *ClientStatsPerToken) String() string {
@@ -205,7 +201,7 @@ func (*ClientStatsPerToken) ProtoMessage() {}
 
 func (x *ClientStatsPerToken) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[2]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -237,10 +233,7 @@ func (x *ClientStatsPerToken) GetNumCalls() int64 {
 // Contains client level statistics that are useful to load balancing. Each
 // count except the timestamp should be reset to zero after reporting the stats.
 type ClientStats struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// The timestamp of generating the report.
 	Timestamp *timestamppb.Timestamp `protobuf:"bytes,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
 	// The total number of RPCs that started.
@@ -254,15 +247,15 @@ type ClientStats struct {
 	NumCallsFinishedKnownReceived int64 `protobuf:"varint,7,opt,name=num_calls_finished_known_received,json=numCallsFinishedKnownReceived,proto3" json:"num_calls_finished_known_received,omitempty"`
 	// The list of dropped calls.
 	CallsFinishedWithDrop []*ClientStatsPerToken `protobuf:"bytes,8,rep,name=calls_finished_with_drop,json=callsFinishedWithDrop,proto3" json:"calls_finished_with_drop,omitempty"`
+	unknownFields         protoimpl.UnknownFields
+	sizeCache             protoimpl.SizeCache
 }
 
 func (x *ClientStats) Reset() {
 	*x = ClientStats{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[3]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *ClientStats) String() string {
@@ -273,7 +266,7 @@ func (*ClientStats) ProtoMessage() {}
 
 func (x *ClientStats) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[3]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -331,25 +324,22 @@ func (x *ClientStats) GetCallsFinishedWithDrop() []*ClientStatsPerToken {
 }
 
 type LoadBalanceResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// Types that are assignable to LoadBalanceResponseType:
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// Types that are valid to be assigned to LoadBalanceResponseType:
 	//
 	//	*LoadBalanceResponse_InitialResponse
 	//	*LoadBalanceResponse_ServerList
 	//	*LoadBalanceResponse_FallbackResponse
 	LoadBalanceResponseType isLoadBalanceResponse_LoadBalanceResponseType `protobuf_oneof:"load_balance_response_type"`
+	unknownFields           protoimpl.UnknownFields
+	sizeCache               protoimpl.SizeCache
 }
 
 func (x *LoadBalanceResponse) Reset() {
 	*x = LoadBalanceResponse{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[4]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[4]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *LoadBalanceResponse) String() string {
@@ -360,7 +350,7 @@ func (*LoadBalanceResponse) ProtoMessage() {}
 
 func (x *LoadBalanceResponse) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[4]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -375,30 +365,36 @@ func (*LoadBalanceResponse) Descriptor() ([]byte, []int) {
 	return file_grpc_lb_v1_load_balancer_proto_rawDescGZIP(), []int{4}
 }
 
-func (m *LoadBalanceResponse) GetLoadBalanceResponseType() isLoadBalanceResponse_LoadBalanceResponseType {
-	if m != nil {
-		return m.LoadBalanceResponseType
+func (x *LoadBalanceResponse) GetLoadBalanceResponseType() isLoadBalanceResponse_LoadBalanceResponseType {
+	if x != nil {
+		return x.LoadBalanceResponseType
 	}
 	return nil
 }
 
 func (x *LoadBalanceResponse) GetInitialResponse() *InitialLoadBalanceResponse {
-	if x, ok := x.GetLoadBalanceResponseType().(*LoadBalanceResponse_InitialResponse); ok {
-		return x.InitialResponse
+	if x != nil {
+		if x, ok := x.LoadBalanceResponseType.(*LoadBalanceResponse_InitialResponse); ok {
+			return x.InitialResponse
+		}
 	}
 	return nil
 }
 
 func (x *LoadBalanceResponse) GetServerList() *ServerList {
-	if x, ok := x.GetLoadBalanceResponseType().(*LoadBalanceResponse_ServerList); ok {
-		return x.ServerList
+	if x != nil {
+		if x, ok := x.LoadBalanceResponseType.(*LoadBalanceResponse_ServerList); ok {
+			return x.ServerList
+		}
 	}
 	return nil
 }
 
 func (x *LoadBalanceResponse) GetFallbackResponse() *FallbackResponse {
-	if x, ok := x.GetLoadBalanceResponseType().(*LoadBalanceResponse_FallbackResponse); ok {
-		return x.FallbackResponse
+	if x != nil {
+		if x, ok := x.LoadBalanceResponseType.(*LoadBalanceResponse_FallbackResponse); ok {
+			return x.FallbackResponse
+		}
 	}
 	return nil
 }
@@ -431,18 +427,16 @@ func (*LoadBalanceResponse_ServerList) isLoadBalanceResponse_LoadBalanceResponse
 func (*LoadBalanceResponse_FallbackResponse) isLoadBalanceResponse_LoadBalanceResponseType() {}
 
 type FallbackResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
 	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *FallbackResponse) Reset() {
 	*x = FallbackResponse{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[5]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[5]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *FallbackResponse) String() string {
@@ -453,7 +447,7 @@ func (*FallbackResponse) ProtoMessage() {}
 
 func (x *FallbackResponse) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[5]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -469,23 +463,20 @@ func (*FallbackResponse) Descriptor() ([]byte, []int) {
 }
 
 type InitialLoadBalanceResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// This interval defines how often the client should send the client stats
 	// to the load balancer. Stats should only be reported when the duration is
 	// positive.
 	ClientStatsReportInterval *durationpb.Duration `protobuf:"bytes,2,opt,name=client_stats_report_interval,json=clientStatsReportInterval,proto3" json:"client_stats_report_interval,omitempty"`
+	unknownFields             protoimpl.UnknownFields
+	sizeCache                 protoimpl.SizeCache
 }
 
 func (x *InitialLoadBalanceResponse) Reset() {
 	*x = InitialLoadBalanceResponse{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[6]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *InitialLoadBalanceResponse) String() string {
@@ -496,7 +487,7 @@ func (*InitialLoadBalanceResponse) ProtoMessage() {}
 
 func (x *InitialLoadBalanceResponse) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[6]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -519,24 +510,21 @@ func (x *InitialLoadBalanceResponse) GetClientStatsReportInterval() *durationpb.
 }
 
 type ServerList struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// Contains a list of servers selected by the load balancer. The list will
 	// be updated when server resolutions change or as needed to balance load
 	// across more servers. The client should consume the server list in order
 	// unless instructed otherwise via the client_config.
-	Servers []*Server `protobuf:"bytes,1,rep,name=servers,proto3" json:"servers,omitempty"`
+	Servers       []*Server `protobuf:"bytes,1,rep,name=servers,proto3" json:"servers,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *ServerList) Reset() {
 	*x = ServerList{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[7]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[7]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *ServerList) String() string {
@@ -547,7 +535,7 @@ func (*ServerList) ProtoMessage() {}
 
 func (x *ServerList) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[7]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -572,10 +560,7 @@ func (x *ServerList) GetServers() []*Server {
 // Contains server information. When the drop field is not true, use the other
 // fields.
 type Server struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// A resolved address for the server, serialized in network-byte-order. It may
 	// either be an IPv4 or IPv6 address.
 	IpAddress []byte `protobuf:"bytes,1,opt,name=ip_address,json=ipAddress,proto3" json:"ip_address,omitempty"`
@@ -592,16 +577,16 @@ type Server struct {
 	// Indicates whether this particular request should be dropped by the client.
 	// If the request is dropped, there will be a corresponding entry in
 	// ClientStats.calls_finished_with_drop.
-	Drop bool `protobuf:"varint,4,opt,name=drop,proto3" json:"drop,omitempty"`
+	Drop          bool `protobuf:"varint,4,opt,name=drop,proto3" json:"drop,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Server) Reset() {
 	*x = Server{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[8]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[8]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *Server) String() string {
@@ -612,7 +597,7 @@ func (*Server) ProtoMessage() {}
 
 func (x *Server) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[8]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -657,130 +642,62 @@ func (x *Server) GetDrop() bool {
 
 var File_grpc_lb_v1_load_balancer_proto protoreflect.FileDescriptor
 
-var file_grpc_lb_v1_load_balancer_proto_rawDesc = []byte{
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-}
+const file_grpc_lb_v1_load_balancer_proto_rawDesc = "" +
+	"\n" +
+	"\x1egrpc/lb/v1/load_balancer.proto\x12\n" +
+	"grpc.lb.v1\x1a\x1egoogle/protobuf/duration.proto\x1a\x1fgoogle/protobuf/timestamp.proto\"\xc1\x01\n" +
+	"\x12LoadBalanceRequest\x12P\n" +
+	"\x0finitial_request\x18\x01 \x01(\v2%.grpc.lb.v1.InitialLoadBalanceRequestH\x00R\x0einitialRequest\x12<\n" +
+	"\fclient_stats\x18\x02 \x01(\v2\x17.grpc.lb.v1.ClientStatsH\x00R\vclientStatsB\x1b\n" +
+	"\x19load_balance_request_type\"/\n" +
+	"\x19InitialLoadBalanceRequest\x12\x12\n" +
+	"\x04name\x18\x01 \x01(\tR\x04name\"`\n" +
+	"\x13ClientStatsPerToken\x12,\n" +
+	"\x12load_balance_token\x18\x01 \x01(\tR\x10loadBalanceToken\x12\x1b\n" +
+	"\tnum_calls\x18\x02 \x01(\x03R\bnumCalls\"\xb0\x03\n" +
+	"\vClientStats\x128\n" +
+	"\ttimestamp\x18\x01 \x01(\v2\x1a.google.protobuf.TimestampR\ttimestamp\x12*\n" +
+	"\x11num_calls_started\x18\x02 \x01(\x03R\x0fnumCallsStarted\x12,\n" +
+	"\x12num_calls_finished\x18\x03 \x01(\x03R\x10numCallsFinished\x12]\n" +
+	"-num_calls_finished_with_client_failed_to_send\x18\x06 \x01(\x03R&numCallsFinishedWithClientFailedToSend\x12H\n" +
+	"!num_calls_finished_known_received\x18\a \x01(\x03R\x1dnumCallsFinishedKnownReceived\x12X\n" +
+	"\x18calls_finished_with_drop\x18\b \x03(\v2\x1f.grpc.lb.v1.ClientStatsPerTokenR\x15callsFinishedWithDropJ\x04\b\x04\x10\x05J\x04\b\x05\x10\x06\"\x90\x02\n" +
+	"\x13LoadBalanceResponse\x12S\n" +
+	"\x10initial_response\x18\x01 \x01(\v2&.grpc.lb.v1.InitialLoadBalanceResponseH\x00R\x0finitialResponse\x129\n" +
+	"\vserver_list\x18\x02 \x01(\v2\x16.grpc.lb.v1.ServerListH\x00R\n" +
+	"serverList\x12K\n" +
+	"\x11fallback_response\x18\x03 \x01(\v2\x1c.grpc.lb.v1.FallbackResponseH\x00R\x10fallbackResponseB\x1c\n" +
+	"\x1aload_balance_response_type\"\x12\n" +
+	"\x10FallbackResponse\"~\n" +
+	"\x1aInitialLoadBalanceResponse\x12Z\n" +
+	"\x1cclient_stats_report_interval\x18\x02 \x01(\v2\x19.google.protobuf.DurationR\x19clientStatsReportIntervalJ\x04\b\x01\x10\x02\"@\n" +
+	"\n" +
+	"ServerList\x12,\n" +
+	"\aservers\x18\x01 \x03(\v2\x12.grpc.lb.v1.ServerR\aserversJ\x04\b\x03\x10\x04\"\x83\x01\n" +
+	"\x06Server\x12\x1d\n" +
+	"\n" +
+	"ip_address\x18\x01 \x01(\fR\tipAddress\x12\x12\n" +
+	"\x04port\x18\x02 \x01(\x05R\x04port\x12,\n" +
+	"\x12load_balance_token\x18\x03 \x01(\tR\x10loadBalanceToken\x12\x12\n" +
+	"\x04drop\x18\x04 \x01(\bR\x04dropJ\x04\b\x05\x10\x062b\n" +
+	"\fLoadBalancer\x12R\n" +
+	"\vBalanceLoad\x12\x1e.grpc.lb.v1.LoadBalanceRequest\x1a\x1f.grpc.lb.v1.LoadBalanceResponse(\x010\x01BW\n" +
+	"\rio.grpc.lb.v1B\x11LoadBalancerProtoP\x01Z1google.golang.org/grpc/balancer/grpclb/grpc_lb_v1b\x06proto3"
 
 var (
 	file_grpc_lb_v1_load_balancer_proto_rawDescOnce sync.Once
-	file_grpc_lb_v1_load_balancer_proto_rawDescData = file_grpc_lb_v1_load_balancer_proto_rawDesc
+	file_grpc_lb_v1_load_balancer_proto_rawDescData []byte
 )
 
 func file_grpc_lb_v1_load_balancer_proto_rawDescGZIP() []byte {
 	file_grpc_lb_v1_load_balancer_proto_rawDescOnce.Do(func() {
-		file_grpc_lb_v1_load_balancer_proto_rawDescData = protoimpl.X.CompressGZIP(file_grpc_lb_v1_load_balancer_proto_rawDescData)
+		file_grpc_lb_v1_load_balancer_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_grpc_lb_v1_load_balancer_proto_rawDesc), len(file_grpc_lb_v1_load_balancer_proto_rawDesc)))
 	})
 	return file_grpc_lb_v1_load_balancer_proto_rawDescData
 }
 
 var file_grpc_lb_v1_load_balancer_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
-var file_grpc_lb_v1_load_balancer_proto_goTypes = []interface{}{
+var file_grpc_lb_v1_load_balancer_proto_goTypes = []any{
 	(*LoadBalanceRequest)(nil),         // 0: grpc.lb.v1.LoadBalanceRequest
 	(*InitialLoadBalanceRequest)(nil),  // 1: grpc.lb.v1.InitialLoadBalanceRequest
 	(*ClientStatsPerToken)(nil),        // 2: grpc.lb.v1.ClientStatsPerToken
@@ -817,121 +734,11 @@ func file_grpc_lb_v1_load_balancer_proto_init() {
 	if File_grpc_lb_v1_load_balancer_proto != nil {
 		return
 	}
-	if !protoimpl.UnsafeEnabled {
-		file_grpc_lb_v1_load_balancer_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LoadBalanceRequest); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_lb_v1_load_balancer_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*InitialLoadBalanceRequest); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_lb_v1_load_balancer_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ClientStatsPerToken); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_lb_v1_load_balancer_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ClientStats); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_lb_v1_load_balancer_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LoadBalanceResponse); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_lb_v1_load_balancer_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*FallbackResponse); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_lb_v1_load_balancer_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*InitialLoadBalanceResponse); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_lb_v1_load_balancer_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ServerList); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_lb_v1_load_balancer_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Server); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-	}
-	file_grpc_lb_v1_load_balancer_proto_msgTypes[0].OneofWrappers = []interface{}{
+	file_grpc_lb_v1_load_balancer_proto_msgTypes[0].OneofWrappers = []any{
 		(*LoadBalanceRequest_InitialRequest)(nil),
 		(*LoadBalanceRequest_ClientStats)(nil),
 	}
-	file_grpc_lb_v1_load_balancer_proto_msgTypes[4].OneofWrappers = []interface{}{
+	file_grpc_lb_v1_load_balancer_proto_msgTypes[4].OneofWrappers = []any{
 		(*LoadBalanceResponse_InitialResponse)(nil),
 		(*LoadBalanceResponse_ServerList)(nil),
 		(*LoadBalanceResponse_FallbackResponse)(nil),
@@ -940,7 +747,7 @@ func file_grpc_lb_v1_load_balancer_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_grpc_lb_v1_load_balancer_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_grpc_lb_v1_load_balancer_proto_rawDesc), len(file_grpc_lb_v1_load_balancer_proto_rawDesc)),
 			NumEnums:      0,
 			NumMessages:   9,
 			NumExtensions: 0,
@@ -951,7 +758,6 @@ func file_grpc_lb_v1_load_balancer_proto_init() {
 		MessageInfos:      file_grpc_lb_v1_load_balancer_proto_msgTypes,
 	}.Build()
 	File_grpc_lb_v1_load_balancer_proto = out.File
-	file_grpc_lb_v1_load_balancer_proto_rawDesc = nil
 	file_grpc_lb_v1_load_balancer_proto_goTypes = nil
 	file_grpc_lb_v1_load_balancer_proto_depIdxs = nil
 }
diff --git a/vendor/google.golang.org/grpc/balancer/grpclb/grpc_lb_v1/load_balancer_grpc.pb.go b/vendor/google.golang.org/grpc/balancer/grpclb/grpc_lb_v1/load_balancer_grpc.pb.go
index 84e6a250..f506074e 100644
--- a/vendor/google.golang.org/grpc/balancer/grpclb/grpc_lb_v1/load_balancer_grpc.pb.go
+++ b/vendor/google.golang.org/grpc/balancer/grpclb/grpc_lb_v1/load_balancer_grpc.pb.go
@@ -19,7 +19,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.1
+// - protoc-gen-go-grpc v1.6.0
 // - protoc             v5.27.1
 // source: grpc/lb/v1/load_balancer.proto
 
@@ -86,7 +86,7 @@ type LoadBalancerServer interface {
 type UnimplementedLoadBalancerServer struct{}
 
 func (UnimplementedLoadBalancerServer) BalanceLoad(grpc.BidiStreamingServer[LoadBalanceRequest, LoadBalanceResponse]) error {
-	return status.Errorf(codes.Unimplemented, "method BalanceLoad not implemented")
+	return status.Error(codes.Unimplemented, "method BalanceLoad not implemented")
 }
 func (UnimplementedLoadBalancerServer) testEmbeddedByValue() {}
 
diff --git a/vendor/google.golang.org/grpc/balancer/grpclb/grpclb.go b/vendor/google.golang.org/grpc/balancer/grpclb/grpclb.go
index c0987627..0770b88e 100644
--- a/vendor/google.golang.org/grpc/balancer/grpclb/grpclb.go
+++ b/vendor/google.golang.org/grpc/balancer/grpclb/grpclb.go
@@ -197,7 +197,7 @@ type lbBalancer struct {
 
 	// manualResolver is used in the remote LB ClientConn inside grpclb. When
 	// resolved address updates are received by grpclb, filtered updates will be
-	// send to remote LB ClientConn through this resolver.
+	// sent to remote LB ClientConn through this resolver.
 	manualResolver *manual.Resolver
 	// The ClientConn to talk to the remote balancer.
 	ccRemoteLB *remoteBalancerCCWrapper
diff --git a/vendor/google.golang.org/grpc/balancer/grpclb/grpclb_picker.go b/vendor/google.golang.org/grpc/balancer/grpclb/grpclb_picker.go
index 671bc663..9ff07522 100644
--- a/vendor/google.golang.org/grpc/balancer/grpclb/grpclb_picker.go
+++ b/vendor/google.golang.org/grpc/balancer/grpclb/grpclb_picker.go
@@ -19,7 +19,7 @@
 package grpclb
 
 import (
-	"math/rand"
+	rand "math/rand/v2"
 	"sync"
 	"sync/atomic"
 
@@ -112,7 +112,7 @@ type rrPicker struct {
 func newRRPicker(readySCs []balancer.SubConn) *rrPicker {
 	return &rrPicker{
 		subConns:     readySCs,
-		subConnsNext: rand.Intn(len(readySCs)),
+		subConnsNext: rand.IntN(len(readySCs)),
 	}
 }
 
@@ -147,7 +147,7 @@ func newLBPicker(serverList []*lbpb.Server, readySCs []balancer.SubConn, stats *
 	return &lbPicker{
 		serverList:   serverList,
 		subConns:     readySCs,
-		subConnsNext: rand.Intn(len(readySCs)),
+		subConnsNext: rand.IntN(len(readySCs)),
 		stats:        stats,
 	}
 }
diff --git a/vendor/google.golang.org/grpc/balancer/grpclb/grpclb_remote_balancer.go b/vendor/google.golang.org/grpc/balancer/grpclb/grpclb_remote_balancer.go
index 506fae0d..00205212 100644
--- a/vendor/google.golang.org/grpc/balancer/grpclb/grpclb_remote_balancer.go
+++ b/vendor/google.golang.org/grpc/balancer/grpclb/grpclb_remote_balancer.go
@@ -82,14 +82,8 @@ func (lb *lbBalancer) processServerList(l *lbpb.ServerList) {
 		}
 
 		md := metadata.Pairs(lbTokenKey, s.LoadBalanceToken)
-		ip := net.IP(s.IpAddress)
-		ipStr := ip.String()
-		if ip.To4() == nil {
-			// Add square brackets to ipv6 addresses, otherwise net.Dial() and
-			// net.SplitHostPort() will return too many colons error.
-			ipStr = fmt.Sprintf("[%s]", ipStr)
-		}
-		addr := imetadata.Set(resolver.Address{Addr: fmt.Sprintf("%s:%d", ipStr, s.Port)}, md)
+		ipStr := net.IP(s.IpAddress).String()
+		addr := imetadata.Set(resolver.Address{Addr: net.JoinHostPort(ipStr, fmt.Sprintf("%d", s.Port))}, md)
 		if lb.logger.V(2) {
 			lb.logger.Infof("Server list entry:|%d|, ipStr:|%s|, port:|%d|, load balancer token:|%v|", i, ipStr, s.Port, s.LoadBalanceToken)
 		}
@@ -260,10 +254,11 @@ func (lb *lbBalancer) newRemoteBalancerCCWrapper() error {
 	// The grpclb server addresses will set field ServerName, and creds will
 	// receive ServerName as authority.
 	target := lb.manualResolver.Scheme() + ":///grpclb.subClientConn"
-	cc, err := grpc.Dial(target, dopts...)
+	cc, err := grpc.NewClient(target, dopts...)
 	if err != nil {
-		return fmt.Errorf("grpc.Dial(%s): %v", target, err)
+		return fmt.Errorf("grpc.NewClient(%s): %v", target, err)
 	}
+	cc.Connect()
 	ccw := &remoteBalancerCCWrapper{
 		cc:      cc,
 		lb:      lb,
diff --git a/vendor/google.golang.org/grpc/balancer/pickfirst/internal/internal.go b/vendor/google.golang.org/grpc/balancer/pickfirst/internal/internal.go
new file mode 100644
index 00000000..cc902a4d
--- /dev/null
+++ b/vendor/google.golang.org/grpc/balancer/pickfirst/internal/internal.go
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2024 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package internal contains code internal to the pickfirst package.
+package internal
+
+import (
+	rand "math/rand/v2"
+	"time"
+)
+
+var (
+	// RandShuffle pseudo-randomizes the order of addresses.
+	RandShuffle = rand.Shuffle
+	// RandFloat64 returns, as a float64, a pseudo-random number in [0.0,1.0).
+	RandFloat64 = rand.Float64
+	// TimeAfterFunc allows mocking the timer for testing connection delay
+	// related functionality.
+	TimeAfterFunc = func(d time.Duration, f func()) func() {
+		timer := time.AfterFunc(d, f)
+		return func() { timer.Stop() }
+	}
+)
diff --git a/vendor/google.golang.org/grpc/balancer/pickfirst/pickfirst.go b/vendor/google.golang.org/grpc/balancer/pickfirst/pickfirst.go
index 5b592f48..dccd9f0b 100644
--- a/vendor/google.golang.org/grpc/balancer/pickfirst/pickfirst.go
+++ b/vendor/google.golang.org/grpc/balancer/pickfirst/pickfirst.go
@@ -16,19 +16,29 @@
  *
  */
 
-// Package pickfirst contains the pick_first load balancing policy.
+// Package pickfirst contains the pick_first load balancing policy which
+// is the universal leaf policy.
 package pickfirst
 
 import (
+	"cmp"
 	"encoding/json"
 	"errors"
 	"fmt"
-	"math/rand"
+	"math"
+	"net"
+	"net/netip"
+	"slices"
+	"sync"
+	"time"
 
 	"google.golang.org/grpc/balancer"
+	"google.golang.org/grpc/balancer/pickfirst/internal"
 	"google.golang.org/grpc/connectivity"
+	expstats "google.golang.org/grpc/experimental/stats"
 	"google.golang.org/grpc/grpclog"
-	"google.golang.org/grpc/internal"
+	"google.golang.org/grpc/internal/balancer/weight"
+	"google.golang.org/grpc/internal/envconfig"
 	internalgrpclog "google.golang.org/grpc/internal/grpclog"
 	"google.golang.org/grpc/internal/pretty"
 	"google.golang.org/grpc/resolver"
@@ -37,29 +47,98 @@ import (
 
 func init() {
 	balancer.Register(pickfirstBuilder{})
-	internal.ShuffleAddressListForTesting = func(n int, swap func(i, j int)) { rand.Shuffle(n, swap) }
 }
 
-var logger = grpclog.Component("pick-first-lb")
+// Name is the name of the pick_first balancer.
+const Name = "pick_first"
+
+// enableHealthListenerKeyType is a unique key type used in resolver
+// attributes to indicate whether the health listener usage is enabled.
+type enableHealthListenerKeyType struct{}
+
+var (
+	logger               = grpclog.Component("pick-first-leaf-lb")
+	disconnectionsMetric = expstats.RegisterInt64Count(expstats.MetricDescriptor{
+		Name:        "grpc.lb.pick_first.disconnections",
+		Description: "EXPERIMENTAL. Number of times the selected subchannel becomes disconnected.",
+		Unit:        "{disconnection}",
+		Labels:      []string{"grpc.target"},
+		Default:     false,
+	})
+	connectionAttemptsSucceededMetric = expstats.RegisterInt64Count(expstats.MetricDescriptor{
+		Name:        "grpc.lb.pick_first.connection_attempts_succeeded",
+		Description: "EXPERIMENTAL. Number of successful connection attempts.",
+		Unit:        "{attempt}",
+		Labels:      []string{"grpc.target"},
+		Default:     false,
+	})
+	connectionAttemptsFailedMetric = expstats.RegisterInt64Count(expstats.MetricDescriptor{
+		Name:        "grpc.lb.pick_first.connection_attempts_failed",
+		Description: "EXPERIMENTAL. Number of failed connection attempts.",
+		Unit:        "{attempt}",
+		Labels:      []string{"grpc.target"},
+		Default:     false,
+	})
+)
 
 const (
-	// Name is the name of the pick_first balancer.
-	Name      = "pick_first"
-	logPrefix = "[pick-first-lb %p] "
+	// TODO: change to pick-first when this becomes the default pick_first policy.
+	logPrefix = "[pick-first-leaf-lb %p] "
+	// connectionDelayInterval is the time to wait for during the happy eyeballs
+	// pass before starting the next connection attempt.
+	connectionDelayInterval = 250 * time.Millisecond
+)
+
+type ipAddrFamily int
+
+const (
+	// ipAddrFamilyUnknown represents strings that can't be parsed as an IP
+	// address.
+	ipAddrFamilyUnknown ipAddrFamily = iota
+	ipAddrFamilyV4
+	ipAddrFamilyV6
 )
 
 type pickfirstBuilder struct{}
 
-func (pickfirstBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions) balancer.Balancer {
-	b := &pickfirstBalancer{cc: cc}
+func (pickfirstBuilder) Build(cc balancer.ClientConn, bo balancer.BuildOptions) balancer.Balancer {
+	b := &pickfirstBalancer{
+		cc:              cc,
+		target:          bo.Target.String(),
+		metricsRecorder: cc.MetricsRecorder(),
+
+		subConns:              resolver.NewAddressMapV2[*scData](),
+		state:                 connectivity.Connecting,
+		cancelConnectionTimer: func() {},
+	}
 	b.logger = internalgrpclog.NewPrefixLogger(logger, fmt.Sprintf(logPrefix, b))
 	return b
 }
 
-func (pickfirstBuilder) Name() string {
+func (b pickfirstBuilder) Name() string {
 	return Name
 }
 
+func (pickfirstBuilder) ParseConfig(js json.RawMessage) (serviceconfig.LoadBalancingConfig, error) {
+	var cfg pfConfig
+	if err := json.Unmarshal(js, &cfg); err != nil {
+		return nil, fmt.Errorf("pickfirst: unable to unmarshal LB policy config: %s, error: %v", string(js), err)
+	}
+	return cfg, nil
+}
+
+// EnableHealthListener updates the state to configure pickfirst for using a
+// generic health listener.
+//
+// # Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a later
+// release.
+func EnableHealthListener(state resolver.State) resolver.State {
+	state.Attributes = state.Attributes.WithValue(enableHealthListenerKeyType{}, true)
+	return state
+}
+
 type pfConfig struct {
 	serviceconfig.LoadBalancingConfig `json:"-"`
 
@@ -69,87 +148,163 @@ type pfConfig struct {
 	ShuffleAddressList bool `json:"shuffleAddressList"`
 }
 
-func (pickfirstBuilder) ParseConfig(js json.RawMessage) (serviceconfig.LoadBalancingConfig, error) {
-	var cfg pfConfig
-	if err := json.Unmarshal(js, &cfg); err != nil {
-		return nil, fmt.Errorf("pickfirst: unable to unmarshal LB policy config: %s, error: %v", string(js), err)
+// scData keeps track of the current state of the subConn.
+// It is not safe for concurrent access.
+type scData struct {
+	// The following fields are initialized at build time and read-only after
+	// that.
+	subConn balancer.SubConn
+	addr    resolver.Address
+
+	rawConnectivityState connectivity.State
+	// The effective connectivity state based on raw connectivity, health state
+	// and after following sticky TransientFailure behaviour defined in A62.
+	effectiveState              connectivity.State
+	lastErr                     error
+	connectionFailedInFirstPass bool
+}
+
+func (b *pickfirstBalancer) newSCData(addr resolver.Address) (*scData, error) {
+	sd := &scData{
+		rawConnectivityState: connectivity.Idle,
+		effectiveState:       connectivity.Idle,
+		addr:                 addr,
 	}
-	return cfg, nil
+	sc, err := b.cc.NewSubConn([]resolver.Address{addr}, balancer.NewSubConnOptions{
+		StateListener: func(state balancer.SubConnState) {
+			b.updateSubConnState(sd, state)
+		},
+	})
+	if err != nil {
+		return nil, err
+	}
+	sd.subConn = sc
+	return sd, nil
 }
 
 type pickfirstBalancer struct {
-	logger  *internalgrpclog.PrefixLogger
-	state   connectivity.State
-	cc      balancer.ClientConn
-	subConn balancer.SubConn
+	// The following fields are initialized at build time and read-only after
+	// that and therefore do not need to be guarded by a mutex.
+	logger          *internalgrpclog.PrefixLogger
+	cc              balancer.ClientConn
+	target          string
+	metricsRecorder expstats.MetricsRecorder // guaranteed to be non nil
+
+	// The mutex is used to ensure synchronization of updates triggered
+	// from the idle picker and the already serialized resolver,
+	// SubConn state updates.
+	mu sync.Mutex
+	// State reported to the channel based on SubConn states and resolver
+	// updates.
+	state connectivity.State
+	// scData for active subonns mapped by address.
+	subConns              *resolver.AddressMapV2[*scData]
+	addressList           addressList
+	firstPass             bool
+	numTF                 int
+	cancelConnectionTimer func()
+	healthCheckingEnabled bool
 }
 
+// ResolverError is called by the ClientConn when the name resolver produces
+// an error or when pickfirst determined the resolver update to be invalid.
 func (b *pickfirstBalancer) ResolverError(err error) {
+	b.mu.Lock()
+	defer b.mu.Unlock()
+	b.resolverErrorLocked(err)
+}
+
+func (b *pickfirstBalancer) resolverErrorLocked(err error) {
 	if b.logger.V(2) {
 		b.logger.Infof("Received error from the name resolver: %v", err)
 	}
-	if b.subConn == nil {
-		b.state = connectivity.TransientFailure
-	}
 
-	if b.state != connectivity.TransientFailure {
-		// The picker will not change since the balancer does not currently
-		// report an error.
+	// The picker will not change since the balancer does not currently
+	// report an error. If the balancer hasn't received a single good resolver
+	// update yet, transition to TRANSIENT_FAILURE.
+	if b.state != connectivity.TransientFailure && b.addressList.size() > 0 {
+		if b.logger.V(2) {
+			b.logger.Infof("Ignoring resolver error because balancer is using a previous good update.")
+		}
 		return
 	}
-	b.cc.UpdateState(balancer.State{
+
+	b.updateBalancerState(balancer.State{
 		ConnectivityState: connectivity.TransientFailure,
 		Picker:            &picker{err: fmt.Errorf("name resolver error: %v", err)},
 	})
 }
 
-type Shuffler interface {
-	ShuffleAddressListForTesting(n int, swap func(i, j int))
-}
-
-func ShuffleAddressListForTesting(n int, swap func(i, j int)) { rand.Shuffle(n, swap) }
-
 func (b *pickfirstBalancer) UpdateClientConnState(state balancer.ClientConnState) error {
+	b.mu.Lock()
+	defer b.mu.Unlock()
+	b.cancelConnectionTimer()
 	if len(state.ResolverState.Addresses) == 0 && len(state.ResolverState.Endpoints) == 0 {
-		// The resolver reported an empty address list. Treat it like an error by
-		// calling b.ResolverError.
-		if b.subConn != nil {
-			// Shut down the old subConn. All addresses were removed, so it is
-			// no longer valid.
-			b.subConn.Shutdown()
-			b.subConn = nil
-		}
-		b.ResolverError(errors.New("produced zero addresses"))
+		// Cleanup state pertaining to the previous resolver state.
+		// Treat an empty address list like an error by calling b.ResolverError.
+		b.closeSubConnsLocked()
+		b.addressList.updateAddrs(nil)
+		b.resolverErrorLocked(errors.New("produced zero addresses"))
 		return balancer.ErrBadResolverState
 	}
-	// We don't have to guard this block with the env var because ParseConfig
-	// already does so.
+	b.healthCheckingEnabled = state.ResolverState.Attributes.Value(enableHealthListenerKeyType{}) != nil
 	cfg, ok := state.BalancerConfig.(pfConfig)
 	if state.BalancerConfig != nil && !ok {
-		return fmt.Errorf("pickfirst: received illegal BalancerConfig (type %T): %v", state.BalancerConfig, state.BalancerConfig)
+		return fmt.Errorf("pickfirst: received illegal BalancerConfig (type %T): %v: %w", state.BalancerConfig, state.BalancerConfig, balancer.ErrBadResolverState)
 	}
 
 	if b.logger.V(2) {
 		b.logger.Infof("Received new config %s, resolver state %s", pretty.ToJSON(cfg), pretty.ToJSON(state.ResolverState))
 	}
 
-	var addrs []resolver.Address
+	var newAddrs []resolver.Address
 	if endpoints := state.ResolverState.Endpoints; len(endpoints) != 0 {
-		// Perform the optional shuffling described in gRFC A62. The shuffling will
-		// change the order of endpoints but not touch the order of the addresses
-		// within each endpoint. - A61
+		// Perform the optional shuffling described in gRFC A62. The shuffling
+		// will change the order of endpoints but not touch the order of the
+		// addresses within each endpoint. - A61
 		if cfg.ShuffleAddressList {
-			endpoints = append([]resolver.Endpoint{}, endpoints...)
-			internal.ShuffleAddressListForTesting.(func(int, func(int, int)))(len(endpoints), func(i, j int) { endpoints[i], endpoints[j] = endpoints[j], endpoints[i] })
+			if envconfig.PickFirstWeightedShuffling {
+				type weightedEndpoint struct {
+					endpoint resolver.Endpoint
+					weight   float64
+				}
+
+				// For each endpoint, compute a key as described in A113 and
+				// https://utopia.duth.gr/~pefraimi/research/data/2007EncOfAlg.pdf:
+				var weightedEndpoints []weightedEndpoint
+				for _, endpoint := range endpoints {
+					u := internal.RandFloat64() // Random number in [0.0, 1.0)
+					weight := weightAttribute(endpoint)
+					weightedEndpoints = append(weightedEndpoints, weightedEndpoint{
+						endpoint: endpoint,
+						weight:   math.Pow(u, 1.0/float64(weight)),
+					})
+				}
+				// Sort endpoints by key in descending order and reconstruct the
+				// endpoints slice.
+				slices.SortFunc(weightedEndpoints, func(a, b weightedEndpoint) int {
+					return cmp.Compare(b.weight, a.weight)
+				})
+
+				// Here, and in the "else" block below, we clone the endpoints
+				// slice to avoid mutating the resolver state. Doing the latter
+				// would lead to data races if the caller is accessing the same
+				// slice concurrently.
+				sortedEndpoints := make([]resolver.Endpoint, len(endpoints))
+				for i, we := range weightedEndpoints {
+					sortedEndpoints[i] = we.endpoint
+				}
+				endpoints = sortedEndpoints
+			} else {
+				endpoints = slices.Clone(endpoints)
+				internal.RandShuffle(len(endpoints), func(i, j int) { endpoints[i], endpoints[j] = endpoints[j], endpoints[i] })
+			}
 		}
 
-		// "Flatten the list by concatenating the ordered list of addresses for each
-		// of the endpoints, in order." - A61
+		// "Flatten the list by concatenating the ordered list of addresses for
+		// each of the endpoints, in order." - A61
 		for _, endpoint := range endpoints {
-			// "In the flattened list, interleave addresses from the two address
-			// families, as per RFC-8304 section 4." - A61
-			// TODO: support the above language.
-			addrs = append(addrs, endpoint.Addresses...)
+			newAddrs = append(newAddrs, endpoint.Addresses...)
 		}
 	} else {
 		// Endpoints not set, process addresses until we migrate resolver
@@ -158,42 +313,53 @@ func (b *pickfirstBalancer) UpdateClientConnState(state balancer.ClientConnState
 		// target do not forward the corresponding correct endpoints down/split
 		// endpoints properly. Once all balancers correctly forward endpoints
 		// down, can delete this else conditional.
-		addrs = state.ResolverState.Addresses
+		newAddrs = state.ResolverState.Addresses
 		if cfg.ShuffleAddressList {
-			addrs = append([]resolver.Address{}, addrs...)
-			rand.Shuffle(len(addrs), func(i, j int) { addrs[i], addrs[j] = addrs[j], addrs[i] })
+			newAddrs = append([]resolver.Address{}, newAddrs...)
+			internal.RandShuffle(len(newAddrs), func(i, j int) { newAddrs[i], newAddrs[j] = newAddrs[j], newAddrs[i] })
 		}
 	}
 
-	if b.subConn != nil {
-		b.cc.UpdateAddresses(b.subConn, addrs)
+	// If an address appears in multiple endpoints or in the same endpoint
+	// multiple times, we keep it only once. We will create only one SubConn
+	// for the address because an AddressMap is used to store SubConns.
+	// Not de-duplicating would result in attempting to connect to the same
+	// SubConn multiple times in the same pass. We don't want this.
+	newAddrs = deDupAddresses(newAddrs)
+	newAddrs = interleaveAddresses(newAddrs)
+
+	prevAddr := b.addressList.currentAddress()
+	prevSCData, found := b.subConns.Get(prevAddr)
+	prevAddrsCount := b.addressList.size()
+	isPrevRawConnectivityStateReady := found && prevSCData.rawConnectivityState == connectivity.Ready
+	b.addressList.updateAddrs(newAddrs)
+
+	// If the previous ready SubConn exists in new address list,
+	// keep this connection and don't create new SubConns.
+	if isPrevRawConnectivityStateReady && b.addressList.seekTo(prevAddr) {
 		return nil
 	}
 
-	var subConn balancer.SubConn
-	subConn, err := b.cc.NewSubConn(addrs, balancer.NewSubConnOptions{
-		StateListener: func(state balancer.SubConnState) {
-			b.updateSubConnState(subConn, state)
-		},
-	})
-	if err != nil {
-		if b.logger.V(2) {
-			b.logger.Infof("Failed to create new SubConn: %v", err)
-		}
-		b.state = connectivity.TransientFailure
-		b.cc.UpdateState(balancer.State{
-			ConnectivityState: connectivity.TransientFailure,
-			Picker:            &picker{err: fmt.Errorf("error creating connection: %v", err)},
+	b.reconcileSubConnsLocked(newAddrs)
+	// If it's the first resolver update or the balancer was already READY
+	// (but the new address list does not contain the ready SubConn) or
+	// CONNECTING, enter CONNECTING.
+	// We may be in TRANSIENT_FAILURE due to a previous empty address list,
+	// we should still enter CONNECTING because the sticky TF behaviour
+	//  mentioned in A62 applies only when the TRANSIENT_FAILURE is reported
+	// due to connectivity failures.
+	if isPrevRawConnectivityStateReady || b.state == connectivity.Connecting || prevAddrsCount == 0 {
+		// Start connection attempt at first address.
+		b.forceUpdateConcludedStateLocked(balancer.State{
+			ConnectivityState: connectivity.Connecting,
+			Picker:            &picker{err: balancer.ErrNoSubConnAvailable},
 		})
-		return balancer.ErrBadResolverState
+		b.startFirstPassLocked()
+	} else if b.state == connectivity.TransientFailure {
+		// If we're in TRANSIENT_FAILURE, we stay in TRANSIENT_FAILURE until
+		// we're READY. See A62.
+		b.startFirstPassLocked()
 	}
-	b.subConn = subConn
-	b.state = connectivity.Idle
-	b.cc.UpdateState(balancer.State{
-		ConnectivityState: connectivity.Connecting,
-		Picker:            &picker{err: balancer.ErrNoSubConnAvailable},
-	})
-	b.subConn.Connect()
 	return nil
 }
 
@@ -203,63 +369,484 @@ func (b *pickfirstBalancer) UpdateSubConnState(subConn balancer.SubConn, state b
 	b.logger.Errorf("UpdateSubConnState(%v, %+v) called unexpectedly", subConn, state)
 }
 
-func (b *pickfirstBalancer) updateSubConnState(subConn balancer.SubConn, state balancer.SubConnState) {
-	if b.logger.V(2) {
-		b.logger.Infof("Received SubConn state update: %p, %+v", subConn, state)
+func (b *pickfirstBalancer) Close() {
+	b.mu.Lock()
+	defer b.mu.Unlock()
+	b.closeSubConnsLocked()
+	b.cancelConnectionTimer()
+	b.state = connectivity.Shutdown
+}
+
+// ExitIdle moves the balancer out of idle state. It can be called concurrently
+// by the idlePicker and clientConn so access to variables should be
+// synchronized.
+func (b *pickfirstBalancer) ExitIdle() {
+	b.mu.Lock()
+	defer b.mu.Unlock()
+	if b.state == connectivity.Idle {
+		// Move the balancer into CONNECTING state immediately. This is done to
+		// avoid staying in IDLE if a resolver update arrives before the first
+		// SubConn reports CONNECTING.
+		b.updateBalancerState(balancer.State{
+			ConnectivityState: connectivity.Connecting,
+			Picker:            &picker{err: balancer.ErrNoSubConnAvailable},
+		})
+		b.startFirstPassLocked()
+	}
+}
+
+func (b *pickfirstBalancer) startFirstPassLocked() {
+	b.firstPass = true
+	b.numTF = 0
+	// Reset the connection attempt record for existing SubConns.
+	for _, sd := range b.subConns.Values() {
+		sd.connectionFailedInFirstPass = false
+	}
+	b.requestConnectionLocked()
+}
+
+func (b *pickfirstBalancer) closeSubConnsLocked() {
+	for _, sd := range b.subConns.Values() {
+		sd.subConn.Shutdown()
+	}
+	b.subConns = resolver.NewAddressMapV2[*scData]()
+}
+
+// deDupAddresses ensures that each address appears only once in the slice.
+func deDupAddresses(addrs []resolver.Address) []resolver.Address {
+	seenAddrs := resolver.NewAddressMapV2[bool]()
+	retAddrs := []resolver.Address{}
+
+	for _, addr := range addrs {
+		if _, ok := seenAddrs.Get(addr); ok {
+			continue
+		}
+		seenAddrs.Set(addr, true)
+		retAddrs = append(retAddrs, addr)
+	}
+	return retAddrs
+}
+
+// interleaveAddresses interleaves addresses of both families (IPv4 and IPv6)
+// as per RFC-8305 section 4.
+// Whichever address family is first in the list is followed by an address of
+// the other address family; that is, if the first address in the list is IPv6,
+// then the first IPv4 address should be moved up in the list to be second in
+// the list. It doesn't support configuring "First Address Family Count", i.e.
+// there will always be a single member of the first address family at the
+// beginning of the interleaved list.
+// Addresses that are neither IPv4 nor IPv6 are treated as part of a third
+// "unknown" family for interleaving.
+// See: https://datatracker.ietf.org/doc/html/rfc8305#autoid-6
+func interleaveAddresses(addrs []resolver.Address) []resolver.Address {
+	familyAddrsMap := map[ipAddrFamily][]resolver.Address{}
+	interleavingOrder := []ipAddrFamily{}
+	for _, addr := range addrs {
+		family := addressFamily(addr.Addr)
+		if _, found := familyAddrsMap[family]; !found {
+			interleavingOrder = append(interleavingOrder, family)
+		}
+		familyAddrsMap[family] = append(familyAddrsMap[family], addr)
+	}
+
+	interleavedAddrs := make([]resolver.Address, 0, len(addrs))
+
+	for curFamilyIdx := 0; len(interleavedAddrs) < len(addrs); curFamilyIdx = (curFamilyIdx + 1) % len(interleavingOrder) {
+		// Some IP types may have fewer addresses than others, so we look for
+		// the next type that has a remaining member to add to the interleaved
+		// list.
+		family := interleavingOrder[curFamilyIdx]
+		remainingMembers := familyAddrsMap[family]
+		if len(remainingMembers) > 0 {
+			interleavedAddrs = append(interleavedAddrs, remainingMembers[0])
+			familyAddrsMap[family] = remainingMembers[1:]
+		}
+	}
+
+	return interleavedAddrs
+}
+
+// addressFamily returns the ipAddrFamily after parsing the address string.
+// If the address isn't of the format "ip-address:port", it returns
+// ipAddrFamilyUnknown. The address may be valid even if it's not an IP when
+// using a resolver like passthrough where the address may be a hostname in
+// some format that the dialer can resolve.
+func addressFamily(address string) ipAddrFamily {
+	// Parse the IP after removing the port.
+	host, _, err := net.SplitHostPort(address)
+	if err != nil {
+		return ipAddrFamilyUnknown
+	}
+	ip, err := netip.ParseAddr(host)
+	if err != nil {
+		return ipAddrFamilyUnknown
+	}
+	switch {
+	case ip.Is4() || ip.Is4In6():
+		return ipAddrFamilyV4
+	case ip.Is6():
+		return ipAddrFamilyV6
+	default:
+		return ipAddrFamilyUnknown
+	}
+}
+
+// reconcileSubConnsLocked updates the active subchannels based on a new address
+// list from the resolver. It does this by:
+//   - closing subchannels: any existing subchannels associated with addresses
+//     that are no longer in the updated list are shut down.
+//   - removing subchannels: entries for these closed subchannels are removed
+//     from the subchannel map.
+//
+// This ensures that the subchannel map accurately reflects the current set of
+// addresses received from the name resolver.
+func (b *pickfirstBalancer) reconcileSubConnsLocked(newAddrs []resolver.Address) {
+	newAddrsMap := resolver.NewAddressMapV2[bool]()
+	for _, addr := range newAddrs {
+		newAddrsMap.Set(addr, true)
+	}
+
+	for _, oldAddr := range b.subConns.Keys() {
+		if _, ok := newAddrsMap.Get(oldAddr); ok {
+			continue
+		}
+		val, _ := b.subConns.Get(oldAddr)
+		val.subConn.Shutdown()
+		b.subConns.Delete(oldAddr)
+	}
+}
+
+// shutdownRemainingLocked shuts down remaining subConns. Called when a subConn
+// becomes ready, which means that all other subConn must be shutdown.
+func (b *pickfirstBalancer) shutdownRemainingLocked(selected *scData) {
+	b.cancelConnectionTimer()
+	for _, sd := range b.subConns.Values() {
+		if sd.subConn != selected.subConn {
+			sd.subConn.Shutdown()
+		}
+	}
+	b.subConns = resolver.NewAddressMapV2[*scData]()
+	b.subConns.Set(selected.addr, selected)
+}
+
+// requestConnectionLocked starts connecting on the subchannel corresponding to
+// the current address. If no subchannel exists, one is created. If the current
+// subchannel is in TransientFailure, a connection to the next address is
+// attempted until a subchannel is found.
+func (b *pickfirstBalancer) requestConnectionLocked() {
+	if !b.addressList.isValid() {
+		return
 	}
-	if b.subConn != subConn {
+	var lastErr error
+	for valid := true; valid; valid = b.addressList.increment() {
+		curAddr := b.addressList.currentAddress()
+		sd, ok := b.subConns.Get(curAddr)
+		if !ok {
+			var err error
+			// We want to assign the new scData to sd from the outer scope,
+			// hence we can't use := below.
+			sd, err = b.newSCData(curAddr)
+			if err != nil {
+				// This should never happen, unless the clientConn is being shut
+				// down.
+				if b.logger.V(2) {
+					b.logger.Infof("Failed to create a subConn for address %v: %v", curAddr.String(), err)
+				}
+				// Do nothing, the LB policy will be closed soon.
+				return
+			}
+			b.subConns.Set(curAddr, sd)
+		}
+
+		switch sd.rawConnectivityState {
+		case connectivity.Idle:
+			sd.subConn.Connect()
+			b.scheduleNextConnectionLocked()
+			return
+		case connectivity.TransientFailure:
+			// The SubConn is being re-used and failed during a previous pass
+			// over the addressList. It has not completed backoff yet.
+			// Mark it as having failed and try the next address.
+			sd.connectionFailedInFirstPass = true
+			lastErr = sd.lastErr
+			continue
+		case connectivity.Connecting:
+			// Wait for the connection attempt to complete or the timer to fire
+			// before attempting the next address.
+			b.scheduleNextConnectionLocked()
+			return
+		default:
+			b.logger.Errorf("SubConn with unexpected state %v present in SubConns map.", sd.rawConnectivityState)
+			return
+
+		}
+	}
+
+	// All the remaining addresses in the list are in TRANSIENT_FAILURE, end the
+	// first pass if possible.
+	b.endFirstPassIfPossibleLocked(lastErr)
+}
+
+func (b *pickfirstBalancer) scheduleNextConnectionLocked() {
+	b.cancelConnectionTimer()
+	if !b.addressList.hasNext() {
+		return
+	}
+	curAddr := b.addressList.currentAddress()
+	cancelled := false // Access to this is protected by the balancer's mutex.
+	closeFn := internal.TimeAfterFunc(connectionDelayInterval, func() {
+		b.mu.Lock()
+		defer b.mu.Unlock()
+		// If the scheduled task is cancelled while acquiring the mutex, return.
+		if cancelled {
+			return
+		}
 		if b.logger.V(2) {
-			b.logger.Infof("Ignored state change because subConn is not recognized")
+			b.logger.Infof("Happy Eyeballs timer expired while waiting for connection to %q.", curAddr.Addr)
 		}
+		if b.addressList.increment() {
+			b.requestConnectionLocked()
+		}
+	})
+	// Access to the cancellation callback held by the balancer is guarded by
+	// the balancer's mutex, so it's safe to set the boolean from the callback.
+	b.cancelConnectionTimer = sync.OnceFunc(func() {
+		cancelled = true
+		closeFn()
+	})
+}
+
+func (b *pickfirstBalancer) updateSubConnState(sd *scData, newState balancer.SubConnState) {
+	b.mu.Lock()
+	defer b.mu.Unlock()
+	oldState := sd.rawConnectivityState
+	sd.rawConnectivityState = newState.ConnectivityState
+	// Previously relevant SubConns can still callback with state updates.
+	// To prevent pickers from returning these obsolete SubConns, this logic
+	// is included to check if the current list of active SubConns includes this
+	// SubConn.
+	if !b.isActiveSCData(sd) {
 		return
 	}
-	if state.ConnectivityState == connectivity.Shutdown {
-		b.subConn = nil
+	if newState.ConnectivityState == connectivity.Shutdown {
+		sd.effectiveState = connectivity.Shutdown
 		return
 	}
 
-	switch state.ConnectivityState {
-	case connectivity.Ready:
-		b.cc.UpdateState(balancer.State{
-			ConnectivityState: state.ConnectivityState,
-			Picker:            &picker{result: balancer.PickResult{SubConn: subConn}},
-		})
-	case connectivity.Connecting:
-		if b.state == connectivity.TransientFailure {
-			// We stay in TransientFailure until we are Ready. See A62.
+	// Record a connection attempt when exiting CONNECTING.
+	if newState.ConnectivityState == connectivity.TransientFailure {
+		sd.connectionFailedInFirstPass = true
+		connectionAttemptsFailedMetric.Record(b.metricsRecorder, 1, b.target)
+	}
+
+	if newState.ConnectivityState == connectivity.Ready {
+		connectionAttemptsSucceededMetric.Record(b.metricsRecorder, 1, b.target)
+		b.shutdownRemainingLocked(sd)
+		if !b.addressList.seekTo(sd.addr) {
+			// This should not fail as we should have only one SubConn after
+			// entering READY. The SubConn should be present in the addressList.
+			b.logger.Errorf("Address %q not found address list in %v", sd.addr, b.addressList.addresses)
 			return
 		}
-		b.cc.UpdateState(balancer.State{
-			ConnectivityState: state.ConnectivityState,
+		if !b.healthCheckingEnabled {
+			if b.logger.V(2) {
+				b.logger.Infof("SubConn %p reported connectivity state READY and the health listener is disabled. Transitioning SubConn to READY.", sd.subConn)
+			}
+
+			sd.effectiveState = connectivity.Ready
+			b.updateBalancerState(balancer.State{
+				ConnectivityState: connectivity.Ready,
+				Picker:            &picker{result: balancer.PickResult{SubConn: sd.subConn}},
+			})
+			return
+		}
+		if b.logger.V(2) {
+			b.logger.Infof("SubConn %p reported connectivity state READY. Registering health listener.", sd.subConn)
+		}
+		// Send a CONNECTING update to take the SubConn out of sticky-TF if
+		// required.
+		sd.effectiveState = connectivity.Connecting
+		b.updateBalancerState(balancer.State{
+			ConnectivityState: connectivity.Connecting,
 			Picker:            &picker{err: balancer.ErrNoSubConnAvailable},
 		})
+		sd.subConn.RegisterHealthListener(func(scs balancer.SubConnState) {
+			b.updateSubConnHealthState(sd, scs)
+		})
+		return
+	}
+
+	// If the LB policy is READY, and it receives a subchannel state change,
+	// it means that the READY subchannel has failed.
+	// A SubConn can also transition from CONNECTING directly to IDLE when
+	// a transport is successfully created, but the connection fails
+	// before the SubConn can send the notification for READY. We treat
+	// this as a successful connection and transition to IDLE.
+	// TODO: https://github.com/grpc/grpc-go/issues/7862 - Remove the second
+	// part of the if condition below once the issue is fixed.
+	if oldState == connectivity.Ready || (oldState == connectivity.Connecting && newState.ConnectivityState == connectivity.Idle) {
+		// Once a transport fails, the balancer enters IDLE and starts from
+		// the first address when the picker is used.
+		b.shutdownRemainingLocked(sd)
+		sd.effectiveState = newState.ConnectivityState
+		// READY SubConn interspliced in between CONNECTING and IDLE, need to
+		// account for that.
+		if oldState == connectivity.Connecting {
+			// A known issue (https://github.com/grpc/grpc-go/issues/7862)
+			// causes a race that prevents the READY state change notification.
+			// This works around it.
+			connectionAttemptsSucceededMetric.Record(b.metricsRecorder, 1, b.target)
+		}
+		disconnectionsMetric.Record(b.metricsRecorder, 1, b.target)
+		b.addressList.reset()
+		b.updateBalancerState(balancer.State{
+			ConnectivityState: connectivity.Idle,
+			Picker:            &idlePicker{exitIdle: sync.OnceFunc(b.ExitIdle)},
+		})
+		return
+	}
+
+	if b.firstPass {
+		switch newState.ConnectivityState {
+		case connectivity.Connecting:
+			// The effective state can be in either IDLE, CONNECTING or
+			// TRANSIENT_FAILURE. If it's  TRANSIENT_FAILURE, stay in
+			// TRANSIENT_FAILURE until it's READY. See A62.
+			if sd.effectiveState != connectivity.TransientFailure {
+				sd.effectiveState = connectivity.Connecting
+				b.updateBalancerState(balancer.State{
+					ConnectivityState: connectivity.Connecting,
+					Picker:            &picker{err: balancer.ErrNoSubConnAvailable},
+				})
+			}
+		case connectivity.TransientFailure:
+			sd.lastErr = newState.ConnectionError
+			sd.effectiveState = connectivity.TransientFailure
+			// Since we're re-using common SubConns while handling resolver
+			// updates, we could receive an out of turn TRANSIENT_FAILURE from
+			// a pass over the previous address list. Happy Eyeballs will also
+			// cause out of order updates to arrive.
+
+			if curAddr := b.addressList.currentAddress(); equalAddressIgnoringBalAttributes(&curAddr, &sd.addr) {
+				b.cancelConnectionTimer()
+				if b.addressList.increment() {
+					b.requestConnectionLocked()
+					return
+				}
+			}
+
+			// End the first pass if we've seen a TRANSIENT_FAILURE from all
+			// SubConns once.
+			b.endFirstPassIfPossibleLocked(newState.ConnectionError)
+		}
+		return
+	}
+
+	// We have finished the first pass, keep re-connecting failing SubConns.
+	switch newState.ConnectivityState {
+	case connectivity.TransientFailure:
+		b.numTF = (b.numTF + 1) % b.subConns.Len()
+		sd.lastErr = newState.ConnectionError
+		if b.numTF%b.subConns.Len() == 0 {
+			b.updateBalancerState(balancer.State{
+				ConnectivityState: connectivity.TransientFailure,
+				Picker:            &picker{err: newState.ConnectionError},
+			})
+		}
+		// We don't need to request re-resolution since the SubConn already
+		// does that before reporting TRANSIENT_FAILURE.
+		// TODO: #7534 - Move re-resolution requests from SubConn into
+		// pick_first.
 	case connectivity.Idle:
-		if b.state == connectivity.TransientFailure {
-			// We stay in TransientFailure until we are Ready. Also kick the
-			// subConn out of Idle into Connecting. See A62.
-			b.subConn.Connect()
+		sd.subConn.Connect()
+	}
+}
+
+// endFirstPassIfPossibleLocked ends the first happy-eyeballs pass if all the
+// addresses are tried and their SubConns have reported a failure.
+func (b *pickfirstBalancer) endFirstPassIfPossibleLocked(lastErr error) {
+	// An optimization to avoid iterating over the entire SubConn map.
+	if b.addressList.isValid() {
+		return
+	}
+	// Connect() has been called on all the SubConns. The first pass can be
+	// ended if all the SubConns have reported a failure.
+	for _, sd := range b.subConns.Values() {
+		if !sd.connectionFailedInFirstPass {
 			return
 		}
-		b.cc.UpdateState(balancer.State{
-			ConnectivityState: state.ConnectivityState,
-			Picker:            &idlePicker{subConn: subConn},
+	}
+	b.firstPass = false
+	b.updateBalancerState(balancer.State{
+		ConnectivityState: connectivity.TransientFailure,
+		Picker:            &picker{err: lastErr},
+	})
+	// Start re-connecting all the SubConns that are already in IDLE.
+	for _, sd := range b.subConns.Values() {
+		if sd.rawConnectivityState == connectivity.Idle {
+			sd.subConn.Connect()
+		}
+	}
+}
+
+func (b *pickfirstBalancer) isActiveSCData(sd *scData) bool {
+	activeSD, found := b.subConns.Get(sd.addr)
+	return found && activeSD == sd
+}
+
+func (b *pickfirstBalancer) updateSubConnHealthState(sd *scData, state balancer.SubConnState) {
+	b.mu.Lock()
+	defer b.mu.Unlock()
+	// Previously relevant SubConns can still callback with state updates.
+	// To prevent pickers from returning these obsolete SubConns, this logic
+	// is included to check if the current list of active SubConns includes
+	// this SubConn.
+	if !b.isActiveSCData(sd) {
+		return
+	}
+	sd.effectiveState = state.ConnectivityState
+	switch state.ConnectivityState {
+	case connectivity.Ready:
+		b.updateBalancerState(balancer.State{
+			ConnectivityState: connectivity.Ready,
+			Picker:            &picker{result: balancer.PickResult{SubConn: sd.subConn}},
 		})
 	case connectivity.TransientFailure:
-		b.cc.UpdateState(balancer.State{
-			ConnectivityState: state.ConnectivityState,
-			Picker:            &picker{err: state.ConnectionError},
+		b.updateBalancerState(balancer.State{
+			ConnectivityState: connectivity.TransientFailure,
+			Picker:            &picker{err: fmt.Errorf("pickfirst: health check failure: %v", state.ConnectionError)},
 		})
+	case connectivity.Connecting:
+		b.updateBalancerState(balancer.State{
+			ConnectivityState: connectivity.Connecting,
+			Picker:            &picker{err: balancer.ErrNoSubConnAvailable},
+		})
+	default:
+		b.logger.Errorf("Got unexpected health update for SubConn %p: %v", state)
 	}
-	b.state = state.ConnectivityState
 }
 
-func (b *pickfirstBalancer) Close() {
+// updateBalancerState stores the state reported to the channel and calls
+// ClientConn.UpdateState(). As an optimization, it avoids sending duplicate
+// updates to the channel.
+func (b *pickfirstBalancer) updateBalancerState(newState balancer.State) {
+	// In case of TransientFailures allow the picker to be updated to update
+	// the connectivity error, in all other cases don't send duplicate state
+	// updates.
+	if newState.ConnectivityState == b.state && b.state != connectivity.TransientFailure {
+		return
+	}
+	b.forceUpdateConcludedStateLocked(newState)
 }
 
-func (b *pickfirstBalancer) ExitIdle() {
-	if b.subConn != nil && b.state == connectivity.Idle {
-		b.subConn.Connect()
-	}
+// forceUpdateConcludedStateLocked stores the state reported to the channel and
+// calls ClientConn.UpdateState().
+// A separate function is defined to force update the ClientConn state since the
+// channel doesn't correctly assume that LB policies start in CONNECTING and
+// relies on LB policy to send an initial CONNECTING update.
+func (b *pickfirstBalancer) forceUpdateConcludedStateLocked(newState balancer.State) {
+	b.state = newState.ConnectivityState
+	b.cc.UpdateState(newState)
 }
 
 type picker struct {
@@ -274,10 +861,101 @@ func (p *picker) Pick(balancer.PickInfo) (balancer.PickResult, error) {
 // idlePicker is used when the SubConn is IDLE and kicks the SubConn into
 // CONNECTING when Pick is called.
 type idlePicker struct {
-	subConn balancer.SubConn
+	exitIdle func()
 }
 
 func (i *idlePicker) Pick(balancer.PickInfo) (balancer.PickResult, error) {
-	i.subConn.Connect()
+	i.exitIdle()
 	return balancer.PickResult{}, balancer.ErrNoSubConnAvailable
 }
+
+// addressList manages sequentially iterating over addresses present in a list
+// of endpoints. It provides a 1 dimensional view of the addresses present in
+// the endpoints.
+// This type is not safe for concurrent access.
+type addressList struct {
+	addresses []resolver.Address
+	idx       int
+}
+
+func (al *addressList) isValid() bool {
+	return al.idx < len(al.addresses)
+}
+
+func (al *addressList) size() int {
+	return len(al.addresses)
+}
+
+// increment moves to the next index in the address list.
+// This method returns false if it went off the list, true otherwise.
+func (al *addressList) increment() bool {
+	if !al.isValid() {
+		return false
+	}
+	al.idx++
+	return al.idx < len(al.addresses)
+}
+
+// currentAddress returns the current address pointed to in the addressList.
+// If the list is in an invalid state, it returns an empty address instead.
+func (al *addressList) currentAddress() resolver.Address {
+	if !al.isValid() {
+		return resolver.Address{}
+	}
+	return al.addresses[al.idx]
+}
+
+func (al *addressList) reset() {
+	al.idx = 0
+}
+
+func (al *addressList) updateAddrs(addrs []resolver.Address) {
+	al.addresses = addrs
+	al.reset()
+}
+
+// seekTo returns false if the needle was not found and the current index was
+// left unchanged.
+func (al *addressList) seekTo(needle resolver.Address) bool {
+	for ai, addr := range al.addresses {
+		if !equalAddressIgnoringBalAttributes(&addr, &needle) {
+			continue
+		}
+		al.idx = ai
+		return true
+	}
+	return false
+}
+
+// hasNext returns whether incrementing the addressList will result in moving
+// past the end of the list. If the list has already moved past the end, it
+// returns false.
+func (al *addressList) hasNext() bool {
+	if !al.isValid() {
+		return false
+	}
+	return al.idx+1 < len(al.addresses)
+}
+
+// equalAddressIgnoringBalAttributes returns true is a and b are considered
+// equal. This is different from the Equal method on the resolver.Address type
+// which considers all fields to determine equality. Here, we only consider
+// fields that are meaningful to the SubConn.
+func equalAddressIgnoringBalAttributes(a, b *resolver.Address) bool {
+	return a.Addr == b.Addr && a.ServerName == b.ServerName &&
+		a.Attributes.Equal(b.Attributes)
+}
+
+// weightAttribute is a convenience function which returns the value of the
+// weight endpoint Attribute.
+//
+// When used in the xDS context, the weight attribute is guaranteed to be
+// non-zero. But, when used in a non-xDS context, the weight attribute could be
+// unset. A Default of 1 is used in the latter case.
+func weightAttribute(e resolver.Endpoint) uint32 {
+	w := weight.FromEndpoint(e).Weight
+	if w == 0 {
+		return 1
+	}
+	return w
+}
diff --git a/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go b/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go
index 260255d3..22e6e326 100644
--- a/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go
+++ b/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go
@@ -22,12 +22,13 @@
 package roundrobin
 
 import (
-	"math/rand"
-	"sync/atomic"
+	"fmt"
 
 	"google.golang.org/grpc/balancer"
-	"google.golang.org/grpc/balancer/base"
+	"google.golang.org/grpc/balancer/endpointsharding"
+	"google.golang.org/grpc/balancer/pickfirst"
 	"google.golang.org/grpc/grpclog"
+	internalgrpclog "google.golang.org/grpc/internal/grpclog"
 )
 
 // Name is the name of round_robin balancer.
@@ -35,47 +36,37 @@ const Name = "round_robin"
 
 var logger = grpclog.Component("roundrobin")
 
-// newBuilder creates a new roundrobin balancer builder.
-func newBuilder() balancer.Builder {
-	return base.NewBalancerBuilder(Name, &rrPickerBuilder{}, base.Config{HealthCheck: true})
-}
-
 func init() {
-	balancer.Register(newBuilder())
+	balancer.Register(builder{})
 }
 
-type rrPickerBuilder struct{}
+type builder struct{}
 
-func (*rrPickerBuilder) Build(info base.PickerBuildInfo) balancer.Picker {
-	logger.Infof("roundrobinPicker: Build called with info: %v", info)
-	if len(info.ReadySCs) == 0 {
-		return base.NewErrPicker(balancer.ErrNoSubConnAvailable)
-	}
-	scs := make([]balancer.SubConn, 0, len(info.ReadySCs))
-	for sc := range info.ReadySCs {
-		scs = append(scs, sc)
-	}
-	return &rrPicker{
-		subConns: scs,
-		// Start at a random index, as the same RR balancer rebuilds a new
-		// picker when SubConn states change, and we don't want to apply excess
-		// load to the first server in the list.
-		next: uint32(rand.Intn(len(scs))),
-	}
+func (bb builder) Name() string {
+	return Name
 }
 
-type rrPicker struct {
-	// subConns is the snapshot of the roundrobin balancer when this picker was
-	// created. The slice is immutable. Each Get() will do a round robin
-	// selection from it and return the selected SubConn.
-	subConns []balancer.SubConn
-	next     uint32
+func (bb builder) Build(cc balancer.ClientConn, opts balancer.BuildOptions) balancer.Balancer {
+	childBuilder := balancer.Get(pickfirst.Name).Build
+	bal := &rrBalancer{
+		cc:       cc,
+		Balancer: endpointsharding.NewBalancer(cc, opts, childBuilder, endpointsharding.Options{}),
+	}
+	bal.logger = internalgrpclog.NewPrefixLogger(logger, fmt.Sprintf("[%p] ", bal))
+	bal.logger.Infof("Created")
+	return bal
 }
 
-func (p *rrPicker) Pick(balancer.PickInfo) (balancer.PickResult, error) {
-	subConnsLen := uint32(len(p.subConns))
-	nextIndex := atomic.AddUint32(&p.next, 1)
+type rrBalancer struct {
+	balancer.Balancer
+	cc     balancer.ClientConn
+	logger *internalgrpclog.PrefixLogger
+}
 
-	sc := p.subConns[nextIndex%subConnsLen]
-	return balancer.PickResult{SubConn: sc}, nil
+func (b *rrBalancer) UpdateClientConnState(ccs balancer.ClientConnState) error {
+	return b.Balancer.UpdateClientConnState(balancer.ClientConnState{
+		// Enable the health listener in pickfirst children for client side health
+		// checks and outlier detection, if configured.
+		ResolverState: pickfirst.EnableHealthListener(ccs.ResolverState),
+	})
 }
diff --git a/vendor/google.golang.org/grpc/balancer/subconn.go b/vendor/google.golang.org/grpc/balancer/subconn.go
new file mode 100644
index 00000000..c1ca7c92
--- /dev/null
+++ b/vendor/google.golang.org/grpc/balancer/subconn.go
@@ -0,0 +1,120 @@
+/*
+ *
+ * Copyright 2024 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package balancer
+
+import (
+	"google.golang.org/grpc/connectivity"
+	"google.golang.org/grpc/internal"
+	"google.golang.org/grpc/resolver"
+)
+
+// A SubConn represents a single connection to a gRPC backend service.
+//
+// All SubConns start in IDLE, and will not try to connect. To trigger a
+// connection attempt, Balancers must call Connect.
+//
+// If the connection attempt fails, the SubConn will transition to
+// TRANSIENT_FAILURE for a backoff period, and then return to IDLE.  If the
+// connection attempt succeeds, it will transition to READY.
+//
+// If a READY SubConn becomes disconnected, the SubConn will transition to IDLE.
+//
+// If a connection re-enters IDLE, Balancers must call Connect again to trigger
+// a new connection attempt.
+//
+// Each SubConn contains a list of addresses.  gRPC will try to connect to the
+// addresses in sequence, and stop trying the remainder once the first
+// connection is successful.  However, this behavior is deprecated.  SubConns
+// should only use a single address.
+//
+// NOTICE: This interface is intended to be implemented by gRPC, or intercepted
+// by custom load balancing polices.  Users should not need their own complete
+// implementation of this interface -- they should always delegate to a SubConn
+// returned by ClientConn.NewSubConn() by embedding it in their implementations.
+// An embedded SubConn must never be nil, or runtime panics will occur.
+type SubConn interface {
+	// UpdateAddresses updates the addresses used in this SubConn.
+	// gRPC checks if currently-connected address is still in the new list.
+	// If it's in the list, the connection will be kept.
+	// If it's not in the list, the connection will gracefully close, and
+	// a new connection will be created.
+	//
+	// This will trigger a state transition for the SubConn.
+	//
+	// Deprecated: this method will be removed.  Create new SubConns for new
+	// addresses instead.
+	UpdateAddresses([]resolver.Address)
+	// Connect starts the connecting for this SubConn.
+	Connect()
+	// GetOrBuildProducer returns a reference to the existing Producer for this
+	// ProducerBuilder in this SubConn, or, if one does not currently exist,
+	// creates a new one and returns it.  Returns a close function which may be
+	// called when the Producer is no longer needed.  Otherwise the producer
+	// will automatically be closed upon connection loss or subchannel close.
+	// Should only be called on a SubConn in state Ready.  Otherwise the
+	// producer will be unable to create streams.
+	GetOrBuildProducer(ProducerBuilder) (p Producer, close func())
+	// Shutdown shuts down the SubConn gracefully.  Any started RPCs will be
+	// allowed to complete.  No future calls should be made on the SubConn.
+	// One final state update will be delivered to the StateListener (or
+	// UpdateSubConnState; deprecated) with ConnectivityState of Shutdown to
+	// indicate the shutdown operation.  This may be delivered before
+	// in-progress RPCs are complete and the actual connection is closed.
+	Shutdown()
+	// RegisterHealthListener registers a health listener that receives health
+	// updates for a Ready SubConn. Only one health listener can be registered
+	// at a time. A health listener should be registered each time the SubConn's
+	// connectivity state changes to READY. Registering a health listener when
+	// the connectivity state is not READY may result in undefined behaviour.
+	// This method must not be called synchronously while handling an update
+	// from a previously registered health listener.
+	RegisterHealthListener(func(SubConnState))
+	// EnforceSubConnEmbedding is included to force implementers to embed
+	// another implementation of this interface, allowing gRPC to add methods
+	// without breaking users.
+	internal.EnforceSubConnEmbedding
+}
+
+// A ProducerBuilder is a simple constructor for a Producer.  It is used by the
+// SubConn to create producers when needed.
+type ProducerBuilder interface {
+	// Build creates a Producer.  The first parameter is always a
+	// grpc.ClientConnInterface (a type to allow creating RPCs/streams on the
+	// associated SubConn), but is declared as `any` to avoid a dependency
+	// cycle.  Build also returns a close function that will be called when all
+	// references to the Producer have been given up for a SubConn, or when a
+	// connectivity state change occurs on the SubConn.  The close function
+	// should always block until all asynchronous cleanup work is completed.
+	Build(grpcClientConnInterface any) (p Producer, close func())
+}
+
+// SubConnState describes the state of a SubConn.
+type SubConnState struct {
+	// ConnectivityState is the connectivity state of the SubConn.
+	ConnectivityState connectivity.State
+	// ConnectionError is set if the ConnectivityState is TransientFailure,
+	// describing the reason the SubConn failed.  Otherwise, it is nil.
+	ConnectionError error
+}
+
+// A Producer is a type shared among potentially many consumers.  It is
+// associated with a SubConn, and an implementation will typically contain
+// other methods to provide additional functionality, e.g. configuration or
+// subscription registration.
+type Producer any
diff --git a/vendor/google.golang.org/grpc/balancer_wrapper.go b/vendor/google.golang.org/grpc/balancer_wrapper.go
index 6561b769..a1e56a38 100644
--- a/vendor/google.golang.org/grpc/balancer_wrapper.go
+++ b/vendor/google.golang.org/grpc/balancer_wrapper.go
@@ -24,15 +24,25 @@ import (
 	"sync"
 
 	"google.golang.org/grpc/balancer"
+	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/connectivity"
+	"google.golang.org/grpc/experimental/stats"
 	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/internal/balancer/gracefulswitch"
 	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/internal/grpcsync"
 	"google.golang.org/grpc/resolver"
+	"google.golang.org/grpc/status"
 )
 
-var setConnectedAddress = internal.SetConnectedAddress.(func(*balancer.SubConnState, resolver.Address))
+var (
+	// noOpRegisterHealthListenerFn is used when client side health checking is
+	// disabled. It sends a single READY update on the registered listener.
+	noOpRegisterHealthListenerFn = func(_ context.Context, listener func(balancer.SubConnState)) func() {
+		listener(balancer.SubConnState{ConnectivityState: connectivity.Ready})
+		return func() {}
+	}
+)
 
 // ccBalancerWrapper sits between the ClientConn and the Balancer.
 //
@@ -49,6 +59,7 @@ var setConnectedAddress = internal.SetConnectedAddress.(func(*balancer.SubConnSt
 // It uses the gracefulswitch.Balancer internally to ensure that balancer
 // switches happen in a graceful manner.
 type ccBalancerWrapper struct {
+	internal.EnforceClientConnEmbedding
 	// The following fields are initialized when the wrapper is created and are
 	// read-only afterwards, and therefore can be accessed without a mutex.
 	cc               *ClientConn
@@ -82,7 +93,6 @@ func newCCBalancerWrapper(cc *ClientConn) *ccBalancerWrapper {
 			CustomUserAgent: cc.dopts.copts.UserAgent,
 			ChannelzParent:  cc.channelz,
 			Target:          cc.parsedTarget,
-			MetricsRecorder: cc.metricsRecorderList,
 		},
 		serializer:       grpcsync.NewCallbackSerializer(ctx),
 		serializerCancel: cancel,
@@ -91,6 +101,10 @@ func newCCBalancerWrapper(cc *ClientConn) *ccBalancerWrapper {
 	return ccb
 }
 
+func (ccb *ccBalancerWrapper) MetricsRecorder() stats.MetricsRecorder {
+	return ccb.cc.metricsRecorderList
+}
+
 // updateClientConnState is invoked by grpc to push a ClientConnState update to
 // the underlying balancer.  This is always executed from the serializer, so
 // it is safe to call into the balancer here.
@@ -187,12 +201,13 @@ func (ccb *ccBalancerWrapper) NewSubConn(addrs []resolver.Address, opts balancer
 		ac:            ac,
 		producers:     make(map[balancer.ProducerBuilder]*refCountedProducer),
 		stateListener: opts.StateListener,
+		healthData:    newHealthData(connectivity.Idle),
 	}
 	ac.acbw = acbw
 	return acbw, nil
 }
 
-func (ccb *ccBalancerWrapper) RemoveSubConn(sc balancer.SubConn) {
+func (ccb *ccBalancerWrapper) RemoveSubConn(balancer.SubConn) {
 	// The graceful switch balancer will never call this.
 	logger.Errorf("ccb RemoveSubConn(%v) called unexpectedly, sc")
 }
@@ -252,39 +267,74 @@ func (ccb *ccBalancerWrapper) Target() string {
 // acBalancerWrapper is a wrapper on top of ac for balancers.
 // It implements balancer.SubConn interface.
 type acBalancerWrapper struct {
+	internal.EnforceSubConnEmbedding
 	ac            *addrConn          // read-only
 	ccb           *ccBalancerWrapper // read-only
 	stateListener func(balancer.SubConnState)
 
-	mu        sync.Mutex
-	producers map[balancer.ProducerBuilder]*refCountedProducer
+	producersMu sync.Mutex
+	producers   map[balancer.ProducerBuilder]*refCountedProducer
+
+	// Access to healthData is protected by healthMu.
+	healthMu sync.Mutex
+	// healthData is stored as a pointer to detect when the health listener is
+	// dropped or updated. This is required as closures can't be compared for
+	// equality.
+	healthData *healthData
+}
+
+// healthData holds data related to health state reporting.
+type healthData struct {
+	// connectivityState stores the most recent connectivity state delivered
+	// to the LB policy. This is stored to avoid sending updates when the
+	// SubConn has already exited connectivity state READY.
+	connectivityState connectivity.State
+	// closeHealthProducer stores function to close the ref counted health
+	// producer. The health producer is automatically closed when the SubConn
+	// state changes.
+	closeHealthProducer func()
+}
+
+func newHealthData(s connectivity.State) *healthData {
+	return &healthData{
+		connectivityState:   s,
+		closeHealthProducer: func() {},
+	}
 }
 
 // updateState is invoked by grpc to push a subConn state update to the
 // underlying balancer.
-func (acbw *acBalancerWrapper) updateState(s connectivity.State, curAddr resolver.Address, err error) {
+func (acbw *acBalancerWrapper) updateState(s connectivity.State, err error) {
 	acbw.ccb.serializer.TrySchedule(func(ctx context.Context) {
 		if ctx.Err() != nil || acbw.ccb.balancer == nil {
 			return
 		}
+		// Invalidate all producers on any state change.
+		acbw.closeProducers()
+
 		// Even though it is optional for balancers, gracefulswitch ensures
 		// opts.StateListener is set, so this cannot ever be nil.
 		// TODO: delete this comment when UpdateSubConnState is removed.
 		scs := balancer.SubConnState{ConnectivityState: s, ConnectionError: err}
-		if s == connectivity.Ready {
-			setConnectedAddress(&scs, curAddr)
-		}
+		// Invalidate the health listener by updating the healthData.
+		acbw.healthMu.Lock()
+		// A race may occur if a health listener is registered soon after the
+		// connectivity state is set but before the stateListener is called.
+		// Two cases may arise:
+		// 1. The new state is not READY: RegisterHealthListener has checks to
+		//    ensure no updates are sent when the connectivity state is not
+		//    READY.
+		// 2. The new state is READY: This means that the old state wasn't Ready.
+		//    The RegisterHealthListener API mentions that a health listener
+		//    must not be registered when a SubConn is not ready to avoid such
+		//    races. When this happens, the LB policy would get health updates
+		//    on the old listener. When the LB policy registers a new listener
+		//    on receiving the connectivity update, the health updates will be
+		//    sent to the new health listener.
+		acbw.healthData = newHealthData(scs.ConnectivityState)
+		acbw.healthMu.Unlock()
+
 		acbw.stateListener(scs)
-		acbw.ac.mu.Lock()
-		defer acbw.ac.mu.Unlock()
-		if s == connectivity.Ready {
-			// When changing states to READY, reset stateReadyChan.  Wait until
-			// after we notify the LB policy's listener(s) in order to prevent
-			// ac.getTransport() from unblocking before the LB policy starts
-			// tracking the subchannel as READY.
-			close(acbw.ac.stateReadyChan)
-			acbw.ac.stateReadyChan = make(chan struct{})
-		}
 	})
 }
 
@@ -301,6 +351,7 @@ func (acbw *acBalancerWrapper) Connect() {
 }
 
 func (acbw *acBalancerWrapper) Shutdown() {
+	acbw.closeProducers()
 	acbw.ccb.cc.removeAddrConn(acbw.ac, errConnDrain)
 }
 
@@ -308,9 +359,10 @@ func (acbw *acBalancerWrapper) Shutdown() {
 // ready, blocks until it is or ctx expires.  Returns an error when the context
 // expires or the addrConn is shut down.
 func (acbw *acBalancerWrapper) NewStream(ctx context.Context, desc *StreamDesc, method string, opts ...CallOption) (ClientStream, error) {
-	transport, err := acbw.ac.getTransport(ctx)
-	if err != nil {
-		return nil, err
+	transport := acbw.ac.getReadyTransport()
+	if transport == nil {
+		return nil, status.Errorf(codes.Unavailable, "SubConn state is not Ready")
+
 	}
 	return newNonRetryClientStream(ctx, desc, method, transport, acbw.ac, opts...)
 }
@@ -335,15 +387,15 @@ type refCountedProducer struct {
 }
 
 func (acbw *acBalancerWrapper) GetOrBuildProducer(pb balancer.ProducerBuilder) (balancer.Producer, func()) {
-	acbw.mu.Lock()
-	defer acbw.mu.Unlock()
+	acbw.producersMu.Lock()
+	defer acbw.producersMu.Unlock()
 
 	// Look up existing producer from this builder.
 	pData := acbw.producers[pb]
 	if pData == nil {
 		// Not found; create a new one and add it to the producers map.
-		p, close := pb.Build(acbw)
-		pData = &refCountedProducer{producer: p, close: close}
+		p, closeFn := pb.Build(acbw)
+		pData = &refCountedProducer{producer: p, close: closeFn}
 		acbw.producers[pb] = pData
 	}
 	// Account for this new reference.
@@ -353,13 +405,113 @@ func (acbw *acBalancerWrapper) GetOrBuildProducer(pb balancer.ProducerBuilder) (
 	// and delete the refCountedProducer from the map if the total reference
 	// count goes to zero.
 	unref := func() {
-		acbw.mu.Lock()
+		acbw.producersMu.Lock()
+		// If closeProducers has already closed this producer instance, refs is
+		// set to 0, so the check after decrementing will never pass, and the
+		// producer will not be double-closed.
 		pData.refs--
 		if pData.refs == 0 {
 			defer pData.close() // Run outside the acbw mutex
 			delete(acbw.producers, pb)
 		}
-		acbw.mu.Unlock()
+		acbw.producersMu.Unlock()
+	}
+	return pData.producer, sync.OnceFunc(unref)
+}
+
+func (acbw *acBalancerWrapper) closeProducers() {
+	acbw.producersMu.Lock()
+	defer acbw.producersMu.Unlock()
+	for pb, pData := range acbw.producers {
+		pData.refs = 0
+		pData.close()
+		delete(acbw.producers, pb)
+	}
+}
+
+// healthProducerRegisterFn is a type alias for the health producer's function
+// for registering listeners.
+type healthProducerRegisterFn = func(context.Context, balancer.SubConn, string, func(balancer.SubConnState)) func()
+
+// healthListenerRegFn returns a function to register a listener for health
+// updates. If client side health checks are disabled, the registered listener
+// will get a single READY (raw connectivity state) update.
+//
+// Client side health checking is enabled when all the following
+// conditions are satisfied:
+// 1. Health checking is not disabled using the dial option.
+// 2. The health package is imported.
+// 3. The health check config is present in the service config.
+func (acbw *acBalancerWrapper) healthListenerRegFn() func(context.Context, func(balancer.SubConnState)) func() {
+	if acbw.ccb.cc.dopts.disableHealthCheck {
+		return noOpRegisterHealthListenerFn
+	}
+	cfg := acbw.ac.cc.healthCheckConfig()
+	if cfg == nil {
+		return noOpRegisterHealthListenerFn
+	}
+	regHealthLisFn := internal.RegisterClientHealthCheckListener
+	if regHealthLisFn == nil {
+		// The health package is not imported.
+		channelz.Error(logger, acbw.ac.channelz, "Health check is requested but health package is not imported.")
+		return noOpRegisterHealthListenerFn
+	}
+	return func(ctx context.Context, listener func(balancer.SubConnState)) func() {
+		return regHealthLisFn.(healthProducerRegisterFn)(ctx, acbw, cfg.ServiceName, listener)
+	}
+}
+
+// RegisterHealthListener accepts a health listener from the LB policy. It sends
+// updates to the health listener as long as the SubConn's connectivity state
+// doesn't change and a new health listener is not registered. To invalidate
+// the currently registered health listener, acbw updates the healthData. If a
+// nil listener is registered, the active health listener is dropped.
+func (acbw *acBalancerWrapper) RegisterHealthListener(listener func(balancer.SubConnState)) {
+	acbw.healthMu.Lock()
+	defer acbw.healthMu.Unlock()
+	acbw.healthData.closeHealthProducer()
+	// listeners should not be registered when the connectivity state
+	// isn't Ready. This may happen when the balancer registers a listener
+	// after the connectivityState is updated, but before it is notified
+	// of the update.
+	if acbw.healthData.connectivityState != connectivity.Ready {
+		return
+	}
+	// Replace the health data to stop sending updates to any previously
+	// registered health listeners.
+	hd := newHealthData(connectivity.Ready)
+	acbw.healthData = hd
+	if listener == nil {
+		return
 	}
-	return pData.producer, grpcsync.OnceFunc(unref)
+
+	registerFn := acbw.healthListenerRegFn()
+	acbw.ccb.serializer.TrySchedule(func(ctx context.Context) {
+		if ctx.Err() != nil || acbw.ccb.balancer == nil {
+			return
+		}
+		// Don't send updates if a new listener is registered.
+		acbw.healthMu.Lock()
+		defer acbw.healthMu.Unlock()
+		if acbw.healthData != hd {
+			return
+		}
+		// Serialize the health updates from the health producer with
+		// other calls into the LB policy.
+		listenerWrapper := func(scs balancer.SubConnState) {
+			acbw.ccb.serializer.TrySchedule(func(ctx context.Context) {
+				if ctx.Err() != nil || acbw.ccb.balancer == nil {
+					return
+				}
+				acbw.healthMu.Lock()
+				defer acbw.healthMu.Unlock()
+				if acbw.healthData != hd {
+					return
+				}
+				listener(scs)
+			})
+		}
+
+		hd.closeHealthProducer = registerFn(ctx, listenerWrapper)
+	})
 }
diff --git a/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go b/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go
index fcd1cfe8..42c61cf9 100644
--- a/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go
+++ b/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go
@@ -18,7 +18,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.34.1
+// 	protoc-gen-go v1.36.10
 // 	protoc        v5.27.1
 // source: grpc/binlog/v1/binarylog.proto
 
@@ -31,6 +31,7 @@ import (
 	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
 	reflect "reflect"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 const (
@@ -233,10 +234,7 @@ func (Address_Type) EnumDescriptor() ([]byte, []int) {
 
 // Log entry we store in binary logs
 type GrpcLogEntry struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// The timestamp of the binary log message
 	Timestamp *timestamppb.Timestamp `protobuf:"bytes,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
 	// Uniquely identifies a call. The value must not be 0 in order to disambiguate
@@ -255,7 +253,7 @@ type GrpcLogEntry struct {
 	// The logger uses one of the following fields to record the payload,
 	// according to the type of the log entry.
 	//
-	// Types that are assignable to Payload:
+	// Types that are valid to be assigned to Payload:
 	//
 	//	*GrpcLogEntry_ClientHeader
 	//	*GrpcLogEntry_ServerHeader
@@ -269,16 +267,16 @@ type GrpcLogEntry struct {
 	// EVENT_TYPE_SERVER_HEADER normally or EVENT_TYPE_SERVER_TRAILER in
 	// the case of trailers-only. On server side, peer is always
 	// logged on EVENT_TYPE_CLIENT_HEADER.
-	Peer *Address `protobuf:"bytes,11,opt,name=peer,proto3" json:"peer,omitempty"`
+	Peer          *Address `protobuf:"bytes,11,opt,name=peer,proto3" json:"peer,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *GrpcLogEntry) Reset() {
 	*x = GrpcLogEntry{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *GrpcLogEntry) String() string {
@@ -289,7 +287,7 @@ func (*GrpcLogEntry) ProtoMessage() {}
 
 func (x *GrpcLogEntry) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[0]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -339,37 +337,45 @@ func (x *GrpcLogEntry) GetLogger() GrpcLogEntry_Logger {
 	return GrpcLogEntry_LOGGER_UNKNOWN
 }
 
-func (m *GrpcLogEntry) GetPayload() isGrpcLogEntry_Payload {
-	if m != nil {
-		return m.Payload
+func (x *GrpcLogEntry) GetPayload() isGrpcLogEntry_Payload {
+	if x != nil {
+		return x.Payload
 	}
 	return nil
 }
 
 func (x *GrpcLogEntry) GetClientHeader() *ClientHeader {
-	if x, ok := x.GetPayload().(*GrpcLogEntry_ClientHeader); ok {
-		return x.ClientHeader
+	if x != nil {
+		if x, ok := x.Payload.(*GrpcLogEntry_ClientHeader); ok {
+			return x.ClientHeader
+		}
 	}
 	return nil
 }
 
 func (x *GrpcLogEntry) GetServerHeader() *ServerHeader {
-	if x, ok := x.GetPayload().(*GrpcLogEntry_ServerHeader); ok {
-		return x.ServerHeader
+	if x != nil {
+		if x, ok := x.Payload.(*GrpcLogEntry_ServerHeader); ok {
+			return x.ServerHeader
+		}
 	}
 	return nil
 }
 
 func (x *GrpcLogEntry) GetMessage() *Message {
-	if x, ok := x.GetPayload().(*GrpcLogEntry_Message); ok {
-		return x.Message
+	if x != nil {
+		if x, ok := x.Payload.(*GrpcLogEntry_Message); ok {
+			return x.Message
+		}
 	}
 	return nil
 }
 
 func (x *GrpcLogEntry) GetTrailer() *Trailer {
-	if x, ok := x.GetPayload().(*GrpcLogEntry_Trailer); ok {
-		return x.Trailer
+	if x != nil {
+		if x, ok := x.Payload.(*GrpcLogEntry_Trailer); ok {
+			return x.Trailer
+		}
 	}
 	return nil
 }
@@ -418,10 +424,7 @@ func (*GrpcLogEntry_Message) isGrpcLogEntry_Payload() {}
 func (*GrpcLogEntry_Trailer) isGrpcLogEntry_Payload() {}
 
 type ClientHeader struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// This contains only the metadata from the application.
 	Metadata *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
 	// The name of the RPC method, which looks something like:
@@ -435,16 +438,16 @@ type ClientHeader struct {
 	// <host> or <host>:<port> .
 	Authority string `protobuf:"bytes,3,opt,name=authority,proto3" json:"authority,omitempty"`
 	// the RPC timeout
-	Timeout *durationpb.Duration `protobuf:"bytes,4,opt,name=timeout,proto3" json:"timeout,omitempty"`
+	Timeout       *durationpb.Duration `protobuf:"bytes,4,opt,name=timeout,proto3" json:"timeout,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *ClientHeader) Reset() {
 	*x = ClientHeader{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[1]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *ClientHeader) String() string {
@@ -455,7 +458,7 @@ func (*ClientHeader) ProtoMessage() {}
 
 func (x *ClientHeader) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[1]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -499,21 +502,18 @@ func (x *ClientHeader) GetTimeout() *durationpb.Duration {
 }
 
 type ServerHeader struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// This contains only the metadata from the application.
-	Metadata *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
+	Metadata      *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *ServerHeader) Reset() {
 	*x = ServerHeader{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[2]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *ServerHeader) String() string {
@@ -524,7 +524,7 @@ func (*ServerHeader) ProtoMessage() {}
 
 func (x *ServerHeader) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[2]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -547,10 +547,7 @@ func (x *ServerHeader) GetMetadata() *Metadata {
 }
 
 type Trailer struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// This contains only the metadata from the application.
 	Metadata *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
 	// The gRPC status code.
@@ -561,15 +558,15 @@ type Trailer struct {
 	// The value of the 'grpc-status-details-bin' metadata key. If
 	// present, this is always an encoded 'google.rpc.Status' message.
 	StatusDetails []byte `protobuf:"bytes,4,opt,name=status_details,json=statusDetails,proto3" json:"status_details,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Trailer) Reset() {
 	*x = Trailer{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[3]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *Trailer) String() string {
@@ -580,7 +577,7 @@ func (*Trailer) ProtoMessage() {}
 
 func (x *Trailer) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[3]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -625,24 +622,21 @@ func (x *Trailer) GetStatusDetails() []byte {
 
 // Message payload, used by CLIENT_MESSAGE and SERVER_MESSAGE
 type Message struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// Length of the message. It may not be the same as the length of the
 	// data field, as the logging payload can be truncated or omitted.
 	Length uint32 `protobuf:"varint,1,opt,name=length,proto3" json:"length,omitempty"`
 	// May be truncated or omitted.
-	Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
+	Data          []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Message) Reset() {
 	*x = Message{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[4]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[4]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *Message) String() string {
@@ -653,7 +647,7 @@ func (*Message) ProtoMessage() {}
 
 func (x *Message) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[4]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -704,20 +698,17 @@ func (x *Message) GetData() []byte {
 // header is just a normal metadata key.
 // The pair will not count towards the size limit.
 type Metadata struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Entry         []*MetadataEntry       `protobuf:"bytes,1,rep,name=entry,proto3" json:"entry,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	Entry []*MetadataEntry `protobuf:"bytes,1,rep,name=entry,proto3" json:"entry,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Metadata) Reset() {
 	*x = Metadata{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[5]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[5]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *Metadata) String() string {
@@ -728,7 +719,7 @@ func (*Metadata) ProtoMessage() {}
 
 func (x *Metadata) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[5]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -752,21 +743,18 @@ func (x *Metadata) GetEntry() []*MetadataEntry {
 
 // A metadata key value pair
 type MetadataEntry struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Key           string                 `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Value         []byte                 `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	Key   string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
-	Value []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *MetadataEntry) Reset() {
 	*x = MetadataEntry{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[6]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *MetadataEntry) String() string {
@@ -777,7 +765,7 @@ func (*MetadataEntry) ProtoMessage() {}
 
 func (x *MetadataEntry) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[6]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -808,23 +796,20 @@ func (x *MetadataEntry) GetValue() []byte {
 
 // Address information
 type Address struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Type    Address_Type `protobuf:"varint,1,opt,name=type,proto3,enum=grpc.binarylog.v1.Address_Type" json:"type,omitempty"`
-	Address string       `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
+	state   protoimpl.MessageState `protogen:"open.v1"`
+	Type    Address_Type           `protobuf:"varint,1,opt,name=type,proto3,enum=grpc.binarylog.v1.Address_Type" json:"type,omitempty"`
+	Address string                 `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
 	// only for TYPE_IPV4 and TYPE_IPV6
-	IpPort uint32 `protobuf:"varint,3,opt,name=ip_port,json=ipPort,proto3" json:"ip_port,omitempty"`
+	IpPort        uint32 `protobuf:"varint,3,opt,name=ip_port,json=ipPort,proto3" json:"ip_port,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Address) Reset() {
 	*x = Address{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[7]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[7]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *Address) String() string {
@@ -835,7 +820,7 @@ func (*Address) ProtoMessage() {}
 
 func (x *Address) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[7]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -873,149 +858,84 @@ func (x *Address) GetIpPort() uint32 {
 
 var File_grpc_binlog_v1_binarylog_proto protoreflect.FileDescriptor
 
-var file_grpc_binlog_v1_binarylog_proto_rawDesc = []byte{
-	0x0a, 0x1e, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x62, 0x69, 0x6e, 0x6c, 0x6f, 0x67, 0x2f, 0x76, 0x31,
-	0x2f, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x12, 0x11, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67,
-	0x2e, 0x76, 0x31, 0x1a, 0x1e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74,
-	0x6f, 0x62, 0x75, 0x66, 0x2f, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72,
-	0x6f, 0x74, 0x6f, 0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74,
-	0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70,
-	0x72, 0x6f, 0x74, 0x6f, 0x22, 0xbb, 0x07, 0x0a, 0x0c, 0x47, 0x72, 0x70, 0x63, 0x4c, 0x6f, 0x67,
-	0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x38, 0x0a, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61,
-	0x6d, 0x70, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c,
-	0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x54, 0x69, 0x6d, 0x65, 0x73,
-	0x74, 0x61, 0x6d, 0x70, 0x52, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x12,
-	0x17, 0x0a, 0x07, 0x63, 0x61, 0x6c, 0x6c, 0x5f, 0x69, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x04,
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+const file_grpc_binlog_v1_binarylog_proto_rawDesc = "" +
+	"\n" +
+	"\x1egrpc/binlog/v1/binarylog.proto\x12\x11grpc.binarylog.v1\x1a\x1egoogle/protobuf/duration.proto\x1a\x1fgoogle/protobuf/timestamp.proto\"\xbb\a\n" +
+	"\fGrpcLogEntry\x128\n" +
+	"\ttimestamp\x18\x01 \x01(\v2\x1a.google.protobuf.TimestampR\ttimestamp\x12\x17\n" +
+	"\acall_id\x18\x02 \x01(\x04R\x06callId\x125\n" +
+	"\x17sequence_id_within_call\x18\x03 \x01(\x04R\x14sequenceIdWithinCall\x12=\n" +
+	"\x04type\x18\x04 \x01(\x0e2).grpc.binarylog.v1.GrpcLogEntry.EventTypeR\x04type\x12>\n" +
+	"\x06logger\x18\x05 \x01(\x0e2&.grpc.binarylog.v1.GrpcLogEntry.LoggerR\x06logger\x12F\n" +
+	"\rclient_header\x18\x06 \x01(\v2\x1f.grpc.binarylog.v1.ClientHeaderH\x00R\fclientHeader\x12F\n" +
+	"\rserver_header\x18\a \x01(\v2\x1f.grpc.binarylog.v1.ServerHeaderH\x00R\fserverHeader\x126\n" +
+	"\amessage\x18\b \x01(\v2\x1a.grpc.binarylog.v1.MessageH\x00R\amessage\x126\n" +
+	"\atrailer\x18\t \x01(\v2\x1a.grpc.binarylog.v1.TrailerH\x00R\atrailer\x12+\n" +
+	"\x11payload_truncated\x18\n" +
+	" \x01(\bR\x10payloadTruncated\x12.\n" +
+	"\x04peer\x18\v \x01(\v2\x1a.grpc.binarylog.v1.AddressR\x04peer\"\xf5\x01\n" +
+	"\tEventType\x12\x16\n" +
+	"\x12EVENT_TYPE_UNKNOWN\x10\x00\x12\x1c\n" +
+	"\x18EVENT_TYPE_CLIENT_HEADER\x10\x01\x12\x1c\n" +
+	"\x18EVENT_TYPE_SERVER_HEADER\x10\x02\x12\x1d\n" +
+	"\x19EVENT_TYPE_CLIENT_MESSAGE\x10\x03\x12\x1d\n" +
+	"\x19EVENT_TYPE_SERVER_MESSAGE\x10\x04\x12 \n" +
+	"\x1cEVENT_TYPE_CLIENT_HALF_CLOSE\x10\x05\x12\x1d\n" +
+	"\x19EVENT_TYPE_SERVER_TRAILER\x10\x06\x12\x15\n" +
+	"\x11EVENT_TYPE_CANCEL\x10\a\"B\n" +
+	"\x06Logger\x12\x12\n" +
+	"\x0eLOGGER_UNKNOWN\x10\x00\x12\x11\n" +
+	"\rLOGGER_CLIENT\x10\x01\x12\x11\n" +
+	"\rLOGGER_SERVER\x10\x02B\t\n" +
+	"\apayload\"\xbb\x01\n" +
+	"\fClientHeader\x127\n" +
+	"\bmetadata\x18\x01 \x01(\v2\x1b.grpc.binarylog.v1.MetadataR\bmetadata\x12\x1f\n" +
+	"\vmethod_name\x18\x02 \x01(\tR\n" +
+	"methodName\x12\x1c\n" +
+	"\tauthority\x18\x03 \x01(\tR\tauthority\x123\n" +
+	"\atimeout\x18\x04 \x01(\v2\x19.google.protobuf.DurationR\atimeout\"G\n" +
+	"\fServerHeader\x127\n" +
+	"\bmetadata\x18\x01 \x01(\v2\x1b.grpc.binarylog.v1.MetadataR\bmetadata\"\xb1\x01\n" +
+	"\aTrailer\x127\n" +
+	"\bmetadata\x18\x01 \x01(\v2\x1b.grpc.binarylog.v1.MetadataR\bmetadata\x12\x1f\n" +
+	"\vstatus_code\x18\x02 \x01(\rR\n" +
+	"statusCode\x12%\n" +
+	"\x0estatus_message\x18\x03 \x01(\tR\rstatusMessage\x12%\n" +
+	"\x0estatus_details\x18\x04 \x01(\fR\rstatusDetails\"5\n" +
+	"\aMessage\x12\x16\n" +
+	"\x06length\x18\x01 \x01(\rR\x06length\x12\x12\n" +
+	"\x04data\x18\x02 \x01(\fR\x04data\"B\n" +
+	"\bMetadata\x126\n" +
+	"\x05entry\x18\x01 \x03(\v2 .grpc.binarylog.v1.MetadataEntryR\x05entry\"7\n" +
+	"\rMetadataEntry\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
+	"\x05value\x18\x02 \x01(\fR\x05value\"\xb8\x01\n" +
+	"\aAddress\x123\n" +
+	"\x04type\x18\x01 \x01(\x0e2\x1f.grpc.binarylog.v1.Address.TypeR\x04type\x12\x18\n" +
+	"\aaddress\x18\x02 \x01(\tR\aaddress\x12\x17\n" +
+	"\aip_port\x18\x03 \x01(\rR\x06ipPort\"E\n" +
+	"\x04Type\x12\x10\n" +
+	"\fTYPE_UNKNOWN\x10\x00\x12\r\n" +
+	"\tTYPE_IPV4\x10\x01\x12\r\n" +
+	"\tTYPE_IPV6\x10\x02\x12\r\n" +
+	"\tTYPE_UNIX\x10\x03B\\\n" +
+	"\x14io.grpc.binarylog.v1B\x0eBinaryLogProtoP\x01Z2google.golang.org/grpc/binarylog/grpc_binarylog_v1b\x06proto3"
 
 var (
 	file_grpc_binlog_v1_binarylog_proto_rawDescOnce sync.Once
-	file_grpc_binlog_v1_binarylog_proto_rawDescData = file_grpc_binlog_v1_binarylog_proto_rawDesc
+	file_grpc_binlog_v1_binarylog_proto_rawDescData []byte
 )
 
 func file_grpc_binlog_v1_binarylog_proto_rawDescGZIP() []byte {
 	file_grpc_binlog_v1_binarylog_proto_rawDescOnce.Do(func() {
-		file_grpc_binlog_v1_binarylog_proto_rawDescData = protoimpl.X.CompressGZIP(file_grpc_binlog_v1_binarylog_proto_rawDescData)
+		file_grpc_binlog_v1_binarylog_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_grpc_binlog_v1_binarylog_proto_rawDesc), len(file_grpc_binlog_v1_binarylog_proto_rawDesc)))
 	})
 	return file_grpc_binlog_v1_binarylog_proto_rawDescData
 }
 
 var file_grpc_binlog_v1_binarylog_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
 var file_grpc_binlog_v1_binarylog_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
-var file_grpc_binlog_v1_binarylog_proto_goTypes = []interface{}{
+var file_grpc_binlog_v1_binarylog_proto_goTypes = []any{
 	(GrpcLogEntry_EventType)(0),   // 0: grpc.binarylog.v1.GrpcLogEntry.EventType
 	(GrpcLogEntry_Logger)(0),      // 1: grpc.binarylog.v1.GrpcLogEntry.Logger
 	(Address_Type)(0),             // 2: grpc.binarylog.v1.Address.Type
@@ -1057,105 +977,7 @@ func file_grpc_binlog_v1_binarylog_proto_init() {
 	if File_grpc_binlog_v1_binarylog_proto != nil {
 		return
 	}
-	if !protoimpl.UnsafeEnabled {
-		file_grpc_binlog_v1_binarylog_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GrpcLogEntry); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_binlog_v1_binarylog_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ClientHeader); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_binlog_v1_binarylog_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ServerHeader); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_binlog_v1_binarylog_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Trailer); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_binlog_v1_binarylog_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Message); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_binlog_v1_binarylog_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Metadata); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_binlog_v1_binarylog_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MetadataEntry); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_binlog_v1_binarylog_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Address); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-	}
-	file_grpc_binlog_v1_binarylog_proto_msgTypes[0].OneofWrappers = []interface{}{
+	file_grpc_binlog_v1_binarylog_proto_msgTypes[0].OneofWrappers = []any{
 		(*GrpcLogEntry_ClientHeader)(nil),
 		(*GrpcLogEntry_ServerHeader)(nil),
 		(*GrpcLogEntry_Message)(nil),
@@ -1165,7 +987,7 @@ func file_grpc_binlog_v1_binarylog_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_grpc_binlog_v1_binarylog_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_grpc_binlog_v1_binarylog_proto_rawDesc), len(file_grpc_binlog_v1_binarylog_proto_rawDesc)),
 			NumEnums:      3,
 			NumMessages:   8,
 			NumExtensions: 0,
@@ -1177,7 +999,6 @@ func file_grpc_binlog_v1_binarylog_proto_init() {
 		MessageInfos:      file_grpc_binlog_v1_binarylog_proto_msgTypes,
 	}.Build()
 	File_grpc_binlog_v1_binarylog_proto = out.File
-	file_grpc_binlog_v1_binarylog_proto_rawDesc = nil
 	file_grpc_binlog_v1_binarylog_proto_goTypes = nil
 	file_grpc_binlog_v1_binarylog_proto_depIdxs = nil
 }
diff --git a/vendor/google.golang.org/grpc/clientconn.go b/vendor/google.golang.org/grpc/clientconn.go
index 9c8850e3..5dec2dac 100644
--- a/vendor/google.golang.org/grpc/clientconn.go
+++ b/vendor/google.golang.org/grpc/clientconn.go
@@ -35,16 +35,19 @@ import (
 	"google.golang.org/grpc/balancer/pickfirst"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/connectivity"
+	"google.golang.org/grpc/credentials"
+	expstats "google.golang.org/grpc/experimental/stats"
 	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/internal/grpcsync"
 	"google.golang.org/grpc/internal/idle"
 	iresolver "google.golang.org/grpc/internal/resolver"
-	"google.golang.org/grpc/internal/stats"
+	istats "google.golang.org/grpc/internal/stats"
 	"google.golang.org/grpc/internal/transport"
 	"google.golang.org/grpc/keepalive"
 	"google.golang.org/grpc/resolver"
 	"google.golang.org/grpc/serviceconfig"
+	"google.golang.org/grpc/stats"
 	"google.golang.org/grpc/status"
 
 	_ "google.golang.org/grpc/balancer/roundrobin"           // To register roundrobin.
@@ -97,6 +100,41 @@ var (
 	errTransportCredentialsMissing = errors.New("grpc: the credentials require transport level security (use grpc.WithTransportCredentials() to set)")
 )
 
+var (
+	disconnectionsMetric = expstats.RegisterInt64Count(expstats.MetricDescriptor{
+		Name:           "grpc.subchannel.disconnections",
+		Description:    "EXPERIMENTAL. Number of times the selected subchannel becomes disconnected.",
+		Unit:           "{disconnection}",
+		Labels:         []string{"grpc.target"},
+		OptionalLabels: []string{"grpc.lb.backend_service", "grpc.lb.locality", "grpc.disconnect_error"},
+		Default:        false,
+	})
+	connectionAttemptsSucceededMetric = expstats.RegisterInt64Count(expstats.MetricDescriptor{
+		Name:           "grpc.subchannel.connection_attempts_succeeded",
+		Description:    "EXPERIMENTAL. Number of successful connection attempts.",
+		Unit:           "{attempt}",
+		Labels:         []string{"grpc.target"},
+		OptionalLabels: []string{"grpc.lb.backend_service", "grpc.lb.locality"},
+		Default:        false,
+	})
+	connectionAttemptsFailedMetric = expstats.RegisterInt64Count(expstats.MetricDescriptor{
+		Name:           "grpc.subchannel.connection_attempts_failed",
+		Description:    "EXPERIMENTAL. Number of failed connection attempts.",
+		Unit:           "{attempt}",
+		Labels:         []string{"grpc.target"},
+		OptionalLabels: []string{"grpc.lb.backend_service", "grpc.lb.locality"},
+		Default:        false,
+	})
+	openConnectionsMetric = expstats.RegisterInt64UpDownCount(expstats.MetricDescriptor{
+		Name:           "grpc.subchannel.open_connections",
+		Description:    "EXPERIMENTAL. Number of open connections.",
+		Unit:           "{attempt}",
+		Labels:         []string{"grpc.target"},
+		OptionalLabels: []string{"grpc.lb.backend_service", "grpc.security_level", "grpc.lb.locality"},
+		Default:        false,
+	})
+)
+
 const (
 	defaultClientMaxReceiveMessageSize = 1024 * 1024 * 4
 	defaultClientMaxSendMessageSize    = math.MaxInt32
@@ -118,12 +156,26 @@ func (dcs *defaultConfigSelector) SelectConfig(rpcInfo iresolver.RPCInfo) (*ires
 
 // NewClient creates a new gRPC "channel" for the target URI provided.  No I/O
 // is performed.  Use of the ClientConn for RPCs will automatically cause it to
-// connect.  Connect may be used to manually create a connection, but for most
-// users this is unnecessary.
+// connect.  The Connect method may be called to manually create a connection,
+// but for most users this should be unnecessary.
 //
 // The target name syntax is defined in
-// https://github.com/grpc/grpc/blob/master/doc/naming.md.  e.g. to use dns
-// resolver, a "dns:///" prefix should be applied to the target.
+// https://github.com/grpc/grpc/blob/master/doc/naming.md.  E.g. to use the dns
+// name resolver, a "dns:///" prefix may be applied to the target.  The default
+// name resolver will be used if no scheme is detected, or if the parsed scheme
+// is not a registered name resolver.  The default resolver is "dns" but can be
+// overridden using the resolver package's SetDefaultScheme.
+//
+// Examples:
+//
+//   - "foo.googleapis.com:8080"
+//   - "dns:///foo.googleapis.com:8080"
+//   - "dns:///foo.googleapis.com"
+//   - "dns:///10.0.0.213:8080"
+//   - "dns:///%5B2001:db8:85a3:8d3:1319:8a2e:370:7348%5D:443"
+//   - "dns://8.8.8.8/foo.googleapis.com:8080"
+//   - "dns://8.8.8.8/foo.googleapis.com"
+//   - "zookeeper://zk.example.com:9900/example_service"
 //
 // The DialOptions returned by WithBlock, WithTimeout,
 // WithReturnConnectionError, and FailOnNonTempDialError are ignored by this
@@ -181,7 +233,7 @@ func NewClient(target string, opts ...DialOption) (conn *ClientConn, err error)
 		}
 		cc.dopts.defaultServiceConfig, _ = scpr.Config.(*ServiceConfig)
 	}
-	cc.mkp = cc.dopts.copts.KeepaliveParams
+	cc.keepaliveParams = cc.dopts.copts.KeepaliveParams
 
 	if err = cc.initAuthority(); err != nil {
 		return nil, err
@@ -194,9 +246,10 @@ func NewClient(target string, opts ...DialOption) (conn *ClientConn, err error)
 	channelz.Infof(logger, cc.channelz, "Channel authority set to %q", cc.authority)
 
 	cc.csMgr = newConnectivityStateManager(cc.ctx, cc.channelz)
-	cc.pickerWrapper = newPickerWrapper(cc.dopts.copts.StatsHandlers)
+	cc.pickerWrapper = newPickerWrapper()
 
-	cc.metricsRecorderList = stats.NewMetricsRecorderList(cc.dopts.copts.StatsHandlers)
+	cc.metricsRecorderList = istats.NewMetricsRecorderList(cc.dopts.copts.StatsHandlers)
+	cc.statsHandler = istats.NewCombinedHandler(cc.dopts.copts.StatsHandlers...)
 
 	cc.initIdleStateLocked() // Safe to call without the lock, since nothing else has a reference to cc.
 	cc.idlenessMgr = idle.NewManager((*idler)(cc), cc.dopts.idleTimeout)
@@ -225,7 +278,12 @@ func Dial(target string, opts ...DialOption) (*ClientConn, error) {
 func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *ClientConn, err error) {
 	// At the end of this method, we kick the channel out of idle, rather than
 	// waiting for the first rpc.
-	opts = append([]DialOption{withDefaultScheme("passthrough")}, opts...)
+	//
+	// WithLocalDNSResolution dial option in `grpc.Dial` ensures that it
+	// preserves behavior: when default scheme passthrough is used, skip
+	// hostname resolution, when "dns" is used for resolution, perform
+	// resolution on the client.
+	opts = append([]DialOption{withDefaultScheme("passthrough"), WithLocalDNSResolution()}, opts...)
 	cc, err := NewClient(target, opts...)
 	if err != nil {
 		return nil, err
@@ -241,9 +299,10 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
 	}()
 
 	// This creates the name resolver, load balancer, etc.
-	if err := cc.idlenessMgr.ExitIdleMode(); err != nil {
-		return nil, err
+	if err := cc.exitIdleMode(); err != nil {
+		return nil, fmt.Errorf("failed to exit idle mode: %w", err)
 	}
+	cc.idlenessMgr.UnsafeSetNotIdle()
 
 	// Return now for non-blocking dials.
 	if !cc.dopts.block {
@@ -311,7 +370,7 @@ func (cc *ClientConn) addTraceEvent(msg string) {
 			Severity: channelz.CtInfo,
 		}
 	}
-	channelz.AddTraceEvent(logger, cc.channelz, 0, ted)
+	channelz.AddTraceEvent(logger, cc.channelz, 1, ted)
 }
 
 type idler ClientConn
@@ -320,14 +379,17 @@ func (i *idler) EnterIdleMode() {
 	(*ClientConn)(i).enterIdleMode()
 }
 
-func (i *idler) ExitIdleMode() error {
-	return (*ClientConn)(i).exitIdleMode()
+func (i *idler) ExitIdleMode() {
+	// Ignore the error returned from this method, because from the perspective
+	// of the caller (idleness manager), the channel would have always moved out
+	// of IDLE by the time this method returns.
+	(*ClientConn)(i).exitIdleMode()
 }
 
 // exitIdleMode moves the channel out of idle mode by recreating the name
 // resolver and load balancer.  This should never be called directly; use
 // cc.idlenessMgr.ExitIdleMode instead.
-func (cc *ClientConn) exitIdleMode() (err error) {
+func (cc *ClientConn) exitIdleMode() error {
 	cc.mu.Lock()
 	if cc.conns == nil {
 		cc.mu.Unlock()
@@ -335,11 +397,23 @@ func (cc *ClientConn) exitIdleMode() (err error) {
 	}
 	cc.mu.Unlock()
 
+	// Set state to CONNECTING before building the name resolver
+	// so the channel does not remain in IDLE.
+	cc.csMgr.updateState(connectivity.Connecting)
+
 	// This needs to be called without cc.mu because this builds a new resolver
 	// which might update state or report error inline, which would then need to
 	// acquire cc.mu.
 	if err := cc.resolverWrapper.start(); err != nil {
-		return err
+		// If resolver creation fails, treat it like an error reported by the
+		// resolver before any valid updates. Set channel's state to
+		// TransientFailure, and set an erroring picker with the resolver build
+		// error, which will returned as part of any subsequent RPCs.
+		logger.Warningf("Failed to start resolver: %v", err)
+		cc.csMgr.updateState(connectivity.TransientFailure)
+		cc.mu.Lock()
+		cc.updateResolverStateAndUnlock(resolver.State{}, err)
+		return fmt.Errorf("failed to start resolver: %w", err)
 	}
 
 	cc.addTraceEvent("exiting idle mode")
@@ -437,7 +511,7 @@ func (cc *ClientConn) validateTransportCredentials() error {
 func (cc *ClientConn) channelzRegistration(target string) {
 	parentChannel, _ := cc.dopts.channelzParent.(*channelz.Channel)
 	cc.channelz = channelz.RegisterChannel(parentChannel, target)
-	cc.addTraceEvent("created")
+	cc.addTraceEvent(fmt.Sprintf("created for target %q", target))
 }
 
 // chainUnaryClientInterceptors chains all unary client interceptors into one.
@@ -602,7 +676,8 @@ type ClientConn struct {
 	channelz            *channelz.Channel // Channelz object.
 	resolverBuilder     resolver.Builder  // See initParsedTargetAndResolverBuilder().
 	idlenessMgr         *idle.Manager
-	metricsRecorderList *stats.MetricsRecorderList
+	metricsRecorderList *istats.MetricsRecorderList
+	statsHandler        stats.Handler
 
 	// The following provide their own synchronization, and therefore don't
 	// require cc.mu to be held to access them.
@@ -618,7 +693,7 @@ type ClientConn struct {
 	balancerWrapper *ccBalancerWrapper         // Always recreated whenever entering idle to simplify Close.
 	sc              *ServiceConfig             // Latest service config received from the resolver.
 	conns           map[*addrConn]struct{}     // Set to nil on close.
-	mkp             keepalive.ClientParameters // May be updated upon receipt of a GoAway.
+	keepaliveParams keepalive.ClientParameters // May be updated upon receipt of a GoAway.
 	// firstResolveEvent is used to track whether the name resolver sent us at
 	// least one update. RPCs block on this event.  May be accessed without mu
 	// if we know we cannot be asked to enter idle mode while accessing it (e.g.
@@ -659,10 +734,8 @@ func (cc *ClientConn) GetState() connectivity.State {
 // Notice: This API is EXPERIMENTAL and may be changed or removed in a later
 // release.
 func (cc *ClientConn) Connect() {
-	if err := cc.idlenessMgr.ExitIdleMode(); err != nil {
-		cc.addTraceEvent(err.Error())
-		return
-	}
+	cc.idlenessMgr.ExitIdleMode()
+
 	// If the ClientConn was not in idle mode, we need to call ExitIdle on the
 	// LB policy so that connections can be created.
 	cc.mu.Lock()
@@ -670,22 +743,31 @@ func (cc *ClientConn) Connect() {
 	cc.mu.Unlock()
 }
 
-// waitForResolvedAddrs blocks until the resolver has provided addresses or the
-// context expires.  Returns nil unless the context expires first; otherwise
-// returns a status error based on the context.
-func (cc *ClientConn) waitForResolvedAddrs(ctx context.Context) error {
+// waitForResolvedAddrs blocks until the resolver provides addresses or the
+// context expires, whichever happens first.
+//
+// Error is nil unless the context expires first; otherwise returns a status
+// error based on the context.
+//
+// The returned boolean indicates whether it did block or not. If the
+// resolution has already happened once before, it returns false without
+// blocking. Otherwise, it wait for the resolution and return true if
+// resolution has succeeded or return false along with error if resolution has
+// failed.
+func (cc *ClientConn) waitForResolvedAddrs(ctx context.Context) (bool, error) {
 	// This is on the RPC path, so we use a fast path to avoid the
 	// more-expensive "select" below after the resolver has returned once.
 	if cc.firstResolveEvent.HasFired() {
-		return nil
+		return false, nil
 	}
+	internal.NewStreamWaitingForResolver()
 	select {
 	case <-cc.firstResolveEvent.Done():
-		return nil
+		return true, nil
 	case <-ctx.Done():
-		return status.FromContextError(ctx.Err()).Err()
+		return false, status.FromContextError(ctx.Err()).Err()
 	case <-cc.ctx.Done():
-		return ErrClientConnClosing
+		return false, ErrClientConnClosing
 	}
 }
 
@@ -704,8 +786,8 @@ func init() {
 	internal.EnterIdleModeForTesting = func(cc *ClientConn) {
 		cc.idlenessMgr.EnterIdleModeForTesting()
 	}
-	internal.ExitIdleModeForTesting = func(cc *ClientConn) error {
-		return cc.idlenessMgr.ExitIdleMode()
+	internal.ExitIdleModeForTesting = func(cc *ClientConn) {
+		cc.idlenessMgr.ExitIdleMode()
 	}
 }
 
@@ -775,10 +857,7 @@ func (cc *ClientConn) updateResolverStateAndUnlock(s resolver.State, err error)
 		}
 	}
 
-	var balCfg serviceconfig.LoadBalancingConfig
-	if cc.sc != nil && cc.sc.lbConfig != nil {
-		balCfg = cc.sc.lbConfig
-	}
+	balCfg := cc.sc.lbConfig
 	bw := cc.balancerWrapper
 	cc.mu.Unlock()
 
@@ -825,15 +904,15 @@ func (cc *ClientConn) newAddrConnLocked(addrs []resolver.Address, opts balancer.
 	}
 
 	ac := &addrConn{
-		state:          connectivity.Idle,
-		cc:             cc,
-		addrs:          copyAddresses(addrs),
-		scopts:         opts,
-		dopts:          cc.dopts,
-		channelz:       channelz.RegisterSubChannel(cc.channelz, ""),
-		resetBackoff:   make(chan struct{}),
-		stateReadyChan: make(chan struct{}),
-	}
+		state:        connectivity.Idle,
+		cc:           cc,
+		addrs:        copyAddresses(addrs),
+		scopts:       opts,
+		dopts:        cc.dopts,
+		channelz:     channelz.RegisterSubChannel(cc.channelz, ""),
+		resetBackoff: make(chan struct{}),
+	}
+	ac.updateTelemetryLabelsLocked()
 	ac.ctx, ac.cancel = context.WithCancel(cc.ctx)
 	// Start with our address set to the first address; this may be updated if
 	// we connect to different addresses.
@@ -871,7 +950,13 @@ func (cc *ClientConn) Target() string {
 	return cc.target
 }
 
-// CanonicalTarget returns the canonical target string of the ClientConn.
+// CanonicalTarget returns the canonical target string used when creating cc.
+//
+// This always has the form "<scheme>://[authority]/<endpoint>".  For example:
+//
+//   - "dns:///example.com:42"
+//   - "dns://8.8.8.8/example.com:42"
+//   - "unix:///path/to/socket"
 func (cc *ClientConn) CanonicalTarget() string {
 	return cc.parsedTarget.String()
 }
@@ -892,25 +977,24 @@ func (cc *ClientConn) incrCallsFailed() {
 // connect starts creating a transport.
 // It does nothing if the ac is not IDLE.
 // TODO(bar) Move this to the addrConn section.
-func (ac *addrConn) connect() error {
+func (ac *addrConn) connect() {
 	ac.mu.Lock()
 	if ac.state == connectivity.Shutdown {
 		if logger.V(2) {
 			logger.Infof("connect called on shutdown addrConn; ignoring.")
 		}
 		ac.mu.Unlock()
-		return errConnClosing
+		return
 	}
 	if ac.state != connectivity.Idle {
 		if logger.V(2) {
 			logger.Infof("connect called on addrConn in non-idle state (%v); ignoring.", ac.state)
 		}
 		ac.mu.Unlock()
-		return nil
+		return
 	}
 
 	ac.resetTransportAndUnlock()
-	return nil
 }
 
 // equalAddressIgnoringBalAttributes returns true is a and b are considered equal.
@@ -944,7 +1028,7 @@ func (ac *addrConn) updateAddrs(addrs []resolver.Address) {
 	}
 
 	ac.addrs = addrs
-
+	ac.updateTelemetryLabelsLocked()
 	if ac.state == connectivity.Shutdown ||
 		ac.state == connectivity.TransientFailure ||
 		ac.state == connectivity.Idle {
@@ -1046,13 +1130,6 @@ func (cc *ClientConn) healthCheckConfig() *healthCheckConfig {
 	return cc.sc.healthCheckConfig
 }
 
-func (cc *ClientConn) getTransport(ctx context.Context, failfast bool, method string) (transport.ClientTransport, balancer.PickResult, error) {
-	return cc.pickerWrapper.pick(ctx, failfast, balancer.PickInfo{
-		Ctx:            ctx,
-		FullMethodName: method,
-	})
-}
-
 func (cc *ClientConn) applyServiceConfigAndBalancer(sc *ServiceConfig, configSelector iresolver.ConfigSelector) {
 	if sc == nil {
 		// should never reach here.
@@ -1141,10 +1218,15 @@ func (cc *ClientConn) Close() error {
 
 	<-cc.resolverWrapper.serializer.Done()
 	<-cc.balancerWrapper.serializer.Done()
-
+	var wg sync.WaitGroup
 	for ac := range conns {
-		ac.tearDown(ErrClientConnClosing)
+		wg.Add(1)
+		go func(ac *addrConn) {
+			defer wg.Done()
+			ac.tearDown(ErrClientConnClosing)
+		}(ac)
 	}
+	wg.Wait()
 	cc.addTraceEvent("deleted")
 	// TraceEvent needs to be called before RemoveEntry, as TraceEvent may add
 	// trace reference to the entity being deleted, and thus prevent it from being
@@ -1179,13 +1261,15 @@ type addrConn struct {
 	addrs   []resolver.Address // All addresses that the resolver resolved to.
 
 	// Use updateConnectivityState for updating addrConn's connectivity state.
-	state          connectivity.State
-	stateReadyChan chan struct{} // closed and recreated on every READY state change.
+	state connectivity.State
 
 	backoffIdx   int // Needs to be stateful for resetConnectBackoff.
 	resetBackoff chan struct{}
 
 	channelz *channelz.SubChannel
+
+	localityLabel       string
+	backendServiceLabel string
 }
 
 // Note: this requires a lock on ac.mu.
@@ -1193,6 +1277,18 @@ func (ac *addrConn) updateConnectivityState(s connectivity.State, lastErr error)
 	if ac.state == s {
 		return
 	}
+
+	// If we are transitioning out of Ready, it means there is a disconnection.
+	// A SubConn can also transition from CONNECTING directly to IDLE when
+	// a transport is successfully created, but the connection fails
+	// before the SubConn can send the notification for READY. We treat
+	// this as a successful connection and transition to IDLE.
+	// TODO: https://github.com/grpc/grpc-go/issues/7862 - Remove the second
+	// part of the if condition below once the issue is fixed.
+	if ac.state == connectivity.Ready || (ac.state == connectivity.Connecting && s == connectivity.Idle) {
+		disconnectionsMetric.Record(ac.cc.metricsRecorderList, 1, ac.cc.target, ac.backendServiceLabel, ac.localityLabel, "unknown")
+		openConnectionsMetric.Record(ac.cc.metricsRecorderList, -1, ac.cc.target, ac.backendServiceLabel, ac.securityLevelLocked(), ac.localityLabel)
+	}
 	ac.state = s
 	ac.channelz.ChannelMetrics.State.Store(&s)
 	if lastErr == nil {
@@ -1200,18 +1296,17 @@ func (ac *addrConn) updateConnectivityState(s connectivity.State, lastErr error)
 	} else {
 		channelz.Infof(logger, ac.channelz, "Subchannel Connectivity change to %v, last error: %s", s, lastErr)
 	}
-	ac.acbw.updateState(s, ac.curAddr, lastErr)
+	ac.acbw.updateState(s, lastErr)
 }
 
 // adjustParams updates parameters used to create transports upon
 // receiving a GoAway.
 func (ac *addrConn) adjustParams(r transport.GoAwayReason) {
-	switch r {
-	case transport.GoAwayTooManyPings:
+	if r == transport.GoAwayTooManyPings {
 		v := 2 * ac.dopts.copts.KeepaliveParams.Time
 		ac.cc.mu.Lock()
-		if v > ac.cc.mkp.Time {
-			ac.cc.mkp.Time = v
+		if v > ac.cc.keepaliveParams.Time {
+			ac.cc.keepaliveParams.Time = v
 		}
 		ac.cc.mu.Unlock()
 	}
@@ -1251,6 +1346,17 @@ func (ac *addrConn) resetTransportAndUnlock() {
 	ac.mu.Unlock()
 
 	if err := ac.tryAllAddrs(acCtx, addrs, connectDeadline); err != nil {
+		if !errors.Is(err, context.Canceled) {
+			connectionAttemptsFailedMetric.Record(ac.cc.metricsRecorderList, 1, ac.cc.target, ac.backendServiceLabel, ac.localityLabel)
+		} else {
+			if logger.V(2) {
+				// This records cancelled connection attempts which can be later
+				// replaced by a metric.
+				logger.Infof("Context cancellation detected; not recording this as a failed connection attempt.")
+			}
+		}
+		// TODO: #7534 - Move re-resolution requests into the pick_first LB policy
+		// to ensure one resolution request per pass instead of per subconn failure.
 		ac.cc.resolveNow(resolver.ResolveNowOptions{})
 		ac.mu.Lock()
 		if acCtx.Err() != nil {
@@ -1288,11 +1394,51 @@ func (ac *addrConn) resetTransportAndUnlock() {
 	}
 	// Success; reset backoff.
 	ac.mu.Lock()
+	connectionAttemptsSucceededMetric.Record(ac.cc.metricsRecorderList, 1, ac.cc.target, ac.backendServiceLabel, ac.localityLabel)
+	openConnectionsMetric.Record(ac.cc.metricsRecorderList, 1, ac.cc.target, ac.backendServiceLabel, ac.securityLevelLocked(), ac.localityLabel)
 	ac.backoffIdx = 0
 	ac.mu.Unlock()
 }
 
-// tryAllAddrs tries to creates a connection to the addresses, and stop when at
+// updateTelemetryLabelsLocked calculates and caches the telemetry labels based on the
+// first address in addrConn.
+func (ac *addrConn) updateTelemetryLabelsLocked() {
+	labelsFunc, ok := internal.AddressToTelemetryLabels.(func(resolver.Address) map[string]string)
+	if !ok || len(ac.addrs) == 0 {
+		// Reset defaults
+		ac.localityLabel = ""
+		ac.backendServiceLabel = ""
+		return
+	}
+	labels := labelsFunc(ac.addrs[0])
+	ac.localityLabel = labels["grpc.lb.locality"]
+	ac.backendServiceLabel = labels["grpc.lb.backend_service"]
+}
+
+type securityLevelKey struct{}
+
+func (ac *addrConn) securityLevelLocked() string {
+	var secLevel string
+	// During disconnection, ac.transport is nil. Fall back to the security level
+	// stored in the current address during connection.
+	if ac.transport == nil {
+		secLevel, _ = ac.curAddr.Attributes.Value(securityLevelKey{}).(string)
+		return secLevel
+	}
+	authInfo := ac.transport.Peer().AuthInfo
+	if ci, ok := authInfo.(interface {
+		GetCommonAuthInfo() credentials.CommonAuthInfo
+	}); ok {
+		secLevel = ci.GetCommonAuthInfo().SecurityLevel.String()
+		// Store the security level in the current address' attributes so
+		// that it remains available for disconnection metrics after the
+		// transport is closed.
+		ac.curAddr.Attributes = ac.curAddr.Attributes.WithValue(securityLevelKey{}, secLevel)
+	}
+	return secLevel
+}
+
+// tryAllAddrs tries to create a connection to the addresses, and stop when at
 // the first successful one. It returns an error if no address was successfully
 // connected, or updates ac appropriately with the new transport.
 func (ac *addrConn) tryAllAddrs(ctx context.Context, addrs []resolver.Address, connectDeadline time.Time) error {
@@ -1305,7 +1451,7 @@ func (ac *addrConn) tryAllAddrs(ctx context.Context, addrs []resolver.Address, c
 		ac.mu.Lock()
 
 		ac.cc.mu.RLock()
-		ac.dopts.copts.KeepaliveParams = ac.cc.mkp
+		ac.dopts.copts.KeepaliveParams = ac.cc.keepaliveParams
 		ac.cc.mu.RUnlock()
 
 		copts := ac.dopts.copts
@@ -1369,7 +1515,7 @@ func (ac *addrConn) createTransport(ctx context.Context, addr resolver.Address,
 	defer cancel()
 	copts.ChannelzParent = ac.channelz
 
-	newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, addr, copts, onClose)
+	newTr, err := transport.NewHTTP2Client(connectCtx, ac.cc.ctx, addr, copts, onClose)
 	if err != nil {
 		if logger.V(2) {
 			logger.Infof("Creating new client transport to %q: %v", addr, err)
@@ -1381,25 +1527,26 @@ func (ac *addrConn) createTransport(ctx context.Context, addr resolver.Address,
 	}
 
 	ac.mu.Lock()
-	defer ac.mu.Unlock()
 	if ctx.Err() != nil {
 		// This can happen if the subConn was removed while in `Connecting`
 		// state. tearDown() would have set the state to `Shutdown`, but
 		// would not have closed the transport since ac.transport would not
 		// have been set at that point.
-		//
-		// We run this in a goroutine because newTr.Close() calls onClose()
+
+		// We unlock ac.mu because newTr.Close() calls onClose()
 		// inline, which requires locking ac.mu.
-		//
+		ac.mu.Unlock()
+
 		// The error we pass to Close() is immaterial since there are no open
 		// streams at this point, so no trailers with error details will be sent
 		// out. We just need to pass a non-nil error.
 		//
 		// This can also happen when updateAddrs is called during a connection
 		// attempt.
-		go newTr.Close(transport.ErrConnClosing)
+		newTr.Close(transport.ErrConnClosing)
 		return nil
 	}
+	defer ac.mu.Unlock()
 	if hctx.Err() != nil {
 		// onClose was already called for this connection, but the connection
 		// was successfully established first.  Consider it a success and set
@@ -1443,7 +1590,7 @@ func (ac *addrConn) startHealthCheck(ctx context.Context) {
 	if !ac.scopts.HealthCheckEnabled {
 		return
 	}
-	healthCheckFunc := ac.cc.dopts.healthCheckFunc
+	healthCheckFunc := internal.HealthCheckFunc
 	if healthCheckFunc == nil {
 		// The health package is not imported to set health check function.
 		//
@@ -1475,7 +1622,7 @@ func (ac *addrConn) startHealthCheck(ctx context.Context) {
 	}
 	// Start the health checking stream.
 	go func() {
-		err := ac.cc.dopts.healthCheckFunc(ctx, newStream, setConnectivityState, healthCheckConfig.ServiceName)
+		err := healthCheckFunc(ctx, newStream, setConnectivityState, healthCheckConfig.ServiceName)
 		if err != nil {
 			if status.Code(err) == codes.Unimplemented {
 				channelz.Error(logger, ac.channelz, "Subchannel health check is unimplemented at server side, thus health check is disabled")
@@ -1504,29 +1651,6 @@ func (ac *addrConn) getReadyTransport() transport.ClientTransport {
 	return nil
 }
 
-// getTransport waits until the addrconn is ready and returns the transport.
-// If the context expires first, returns an appropriate status.  If the
-// addrConn is stopped first, returns an Unavailable status error.
-func (ac *addrConn) getTransport(ctx context.Context) (transport.ClientTransport, error) {
-	for ctx.Err() == nil {
-		ac.mu.Lock()
-		t, state, sc := ac.transport, ac.state, ac.stateReadyChan
-		ac.mu.Unlock()
-		if state == connectivity.Ready {
-			return t, nil
-		}
-		if state == connectivity.Shutdown {
-			return nil, status.Errorf(codes.Unavailable, "SubConn shutting down")
-		}
-
-		select {
-		case <-ctx.Done():
-		case <-sc:
-		}
-	}
-	return nil, status.FromContextError(ctx.Err()).Err()
-}
-
 // tearDown starts to tear down the addrConn.
 //
 // Note that tearDown doesn't remove ac from ac.cc.conns, so the addrConn struct
@@ -1819,7 +1943,7 @@ func (cc *ClientConn) initAuthority() error {
 	} else if auth, ok := cc.resolverBuilder.(resolver.AuthorityOverrider); ok {
 		cc.authority = auth.OverrideAuthority(cc.parsedTarget)
 	} else if strings.HasPrefix(endpoint, ":") {
-		cc.authority = "localhost" + endpoint
+		cc.authority = "localhost" + encodeAuthority(endpoint)
 	} else {
 		cc.authority = encodeAuthority(endpoint)
 	}
diff --git a/vendor/google.golang.org/grpc/codec.go b/vendor/google.golang.org/grpc/codec.go
index e840858b..959c2f99 100644
--- a/vendor/google.golang.org/grpc/codec.go
+++ b/vendor/google.golang.org/grpc/codec.go
@@ -71,7 +71,7 @@ func (c codecV0Bridge) Marshal(v any) (mem.BufferSlice, error) {
 	if err != nil {
 		return nil, err
 	}
-	return mem.BufferSlice{mem.NewBuffer(&data, nil)}, nil
+	return mem.BufferSlice{mem.SliceBuffer(data)}, nil
 }
 
 func (c codecV0Bridge) Unmarshal(data mem.BufferSlice, v any) (err error) {
diff --git a/vendor/google.golang.org/grpc/credentials/alts/alts.go b/vendor/google.golang.org/grpc/credentials/alts/alts.go
index afcdb8a0..35539eb1 100644
--- a/vendor/google.golang.org/grpc/credentials/alts/alts.go
+++ b/vendor/google.golang.org/grpc/credentials/alts/alts.go
@@ -133,10 +133,11 @@ func DefaultServerOptions() *ServerOptions {
 // altsTC is the credentials required for authenticating a connection using ALTS.
 // It implements credentials.TransportCredentials interface.
 type altsTC struct {
-	info      *credentials.ProtocolInfo
-	side      core.Side
-	accounts  []string
-	hsAddress string
+	info             *credentials.ProtocolInfo
+	side             core.Side
+	accounts         []string
+	hsAddress        string
+	boundAccessToken string
 }
 
 // NewClientCreds constructs a client-side ALTS TransportCredentials object.
@@ -198,6 +199,7 @@ func (g *altsTC) ClientHandshake(ctx context.Context, addr string, rawConn net.C
 		MaxRpcVersion: maxRPCVersion,
 		MinRpcVersion: minRPCVersion,
 	}
+	opts.BoundAccessToken = g.boundAccessToken
 	chs, err := handshaker.NewClientHandshaker(ctx, hsConn, rawConn, opts)
 	if err != nil {
 		return nil, nil, err
diff --git a/vendor/google.golang.org/grpc/credentials/alts/internal/conn/common.go b/vendor/google.golang.org/grpc/credentials/alts/internal/conn/common.go
index 1795d0c9..46617132 100644
--- a/vendor/google.golang.org/grpc/credentials/alts/internal/conn/common.go
+++ b/vendor/google.golang.org/grpc/credentials/alts/internal/conn/common.go
@@ -54,11 +54,10 @@ func SliceForAppend(in []byte, n int) (head, tail []byte) {
 func ParseFramedMsg(b []byte, maxLen uint32) ([]byte, []byte, error) {
 	// If the size field is not complete, return the provided buffer as
 	// remaining buffer.
-	if len(b) < MsgLenFieldSize {
+	length, sufficientBytes := parseMessageLength(b)
+	if !sufficientBytes {
 		return nil, b, nil
 	}
-	msgLenField := b[:MsgLenFieldSize]
-	length := binary.LittleEndian.Uint32(msgLenField)
 	if length > maxLen {
 		return nil, nil, fmt.Errorf("received the frame length %d larger than the limit %d", length, maxLen)
 	}
@@ -68,3 +67,14 @@ func ParseFramedMsg(b []byte, maxLen uint32) ([]byte, []byte, error) {
 	}
 	return b[:MsgLenFieldSize+length], b[MsgLenFieldSize+length:], nil
 }
+
+// parseMessageLength returns the message length based on frame header. It also
+// returns a boolean indicating if the buffer contains sufficient bytes to parse
+// the length header. If there are insufficient bytes, (0, false) is returned.
+func parseMessageLength(b []byte) (uint32, bool) {
+	if len(b) < MsgLenFieldSize {
+		return 0, false
+	}
+	msgLenField := b[:MsgLenFieldSize]
+	return binary.LittleEndian.Uint32(msgLenField), true
+}
diff --git a/vendor/google.golang.org/grpc/credentials/alts/internal/conn/record.go b/vendor/google.golang.org/grpc/credentials/alts/internal/conn/record.go
index 0d64fb37..329e3691 100644
--- a/vendor/google.golang.org/grpc/credentials/alts/internal/conn/record.go
+++ b/vendor/google.golang.org/grpc/credentials/alts/internal/conn/record.go
@@ -31,14 +31,18 @@ import (
 
 // ALTSRecordCrypto is the interface for gRPC ALTS record protocol.
 type ALTSRecordCrypto interface {
-	// Encrypt encrypts the plaintext and computes the tag (if any) of dst
-	// and plaintext. dst and plaintext may fully overlap or not at all.
+	// Encrypt encrypts the plaintext, computes the tag (if any) of dst and
+	// plaintext, and appends the result to dst, returning the updated slice.
+	// dst and plaintext may fully overlap or not at all.
 	Encrypt(dst, plaintext []byte) ([]byte, error)
 	// EncryptionOverhead returns the tag size (if any) in bytes.
 	EncryptionOverhead() int
-	// Decrypt decrypts ciphertext and verify the tag (if any). dst and
-	// ciphertext may alias exactly or not at all. To reuse ciphertext's
-	// storage for the decrypted output, use ciphertext[:0] as dst.
+	// Decrypt decrypts ciphertext and verifies the tag (if any). If successful,
+	// this function appends the resulting plaintext to dst, returning the
+	// updated slice. dst and ciphertext may alias exactly or not at all. To
+	// reuse ciphertext's storage for the decrypted output, use ciphertext[:0]
+	// as dst. Even if the function fails, the contents of dst, up to its
+	// capacity, may be overwritten.
 	Decrypt(dst, ciphertext []byte) ([]byte, error)
 }
 
@@ -63,6 +67,10 @@ const (
 	// The maximum write buffer size. This *must* be multiple of
 	// altsRecordDefaultLength.
 	altsWriteBufferMaxSize = 512 * 1024 // 512KiB
+	// The initial buffer used to read from the network.
+	// It includes an additional 512 Bytes to hold two 16KiB records plus
+	// small framing overheads.
+	altsReadBufferInitialSize = 32*1024 + 512 // 32.5KiB
 )
 
 var (
@@ -83,7 +91,7 @@ type conn struct {
 	net.Conn
 	crypto ALTSRecordCrypto
 	// buf holds data that has been read from the connection and decrypted,
-	// but has not yet been returned by Read.
+	// but has not yet been returned by Read. It is a sub-slice of protected.
 	buf                []byte
 	payloadLengthLimit int
 	// protected holds data read from the network but have not yet been
@@ -111,21 +119,13 @@ func NewConn(c net.Conn, side core.Side, recordProtocol string, key []byte, prot
 	}
 	overhead := MsgLenFieldSize + msgTypeFieldSize + crypto.EncryptionOverhead()
 	payloadLengthLimit := altsRecordDefaultLength - overhead
-	var protectedBuf []byte
-	if protected == nil {
-		// We pre-allocate protected to be of size
-		// 2*altsRecordDefaultLength-1 during initialization. We only
-		// read from the network into protected when protected does not
-		// contain a complete frame, which is at most
-		// altsRecordDefaultLength-1 (bytes). And we read at most
-		// altsRecordDefaultLength (bytes) data into protected at one
-		// time. Therefore, 2*altsRecordDefaultLength-1 is large enough
-		// to buffer data read from the network.
-		protectedBuf = make([]byte, 0, 2*altsRecordDefaultLength-1)
-	} else {
-		protectedBuf = make([]byte, len(protected))
-		copy(protectedBuf, protected)
-	}
+	// We pre-allocate protected to be of size 32KB during initialization.
+	// We increase the size of the buffer by the required amount if it can't
+	// hold a complete encrypted record.
+	protectedBuf := make([]byte, max(altsReadBufferInitialSize, len(protected)))
+	// Copy additional data from hanshaker service.
+	copy(protectedBuf, protected)
+	protectedBuf = protectedBuf[:len(protected)]
 
 	altsConn := &conn{
 		Conn:               c,
@@ -162,11 +162,26 @@ func (p *conn) Read(b []byte) (n int, err error) {
 		// Check whether a complete frame has been received yet.
 		for len(framedMsg) == 0 {
 			if len(p.protected) == cap(p.protected) {
-				tmp := make([]byte, len(p.protected), cap(p.protected)+altsRecordDefaultLength)
-				copy(tmp, p.protected)
-				p.protected = tmp
+				// We can parse the length header to know exactly how large
+				// the buffer needs to be to hold the entire frame.
+				length, didParse := parseMessageLength(p.protected)
+				if !didParse {
+					// The protected buffer is initialized with a capacity of
+					// larger than 4B. It should always hold the message length
+					// header.
+					panic(fmt.Sprintf("protected buffer length shorter than expected: %d vs %d", len(p.protected), MsgLenFieldSize))
+				}
+				oldProtectedBuf := p.protected
+				// The new buffer must be able to hold the message length header
+				// and the entire message.
+				requiredCapacity := int(length) + MsgLenFieldSize
+				p.protected = make([]byte, requiredCapacity)
+				// Copy the contents of the old buffer and set the length of the
+				// new buffer to the number of bytes already read.
+				copy(p.protected, oldProtectedBuf)
+				p.protected = p.protected[:len(oldProtectedBuf)]
 			}
-			n, err = p.Conn.Read(p.protected[len(p.protected):min(cap(p.protected), len(p.protected)+altsRecordDefaultLength)])
+			n, err = p.Conn.Read(p.protected[len(p.protected):cap(p.protected)])
 			if err != nil {
 				return 0, err
 			}
@@ -185,6 +200,15 @@ func (p *conn) Read(b []byte) (n int, err error) {
 		}
 		ciphertext := msg[msgTypeFieldSize:]
 
+		// Decrypt directly into the buffer, avoiding a copy from p.buf if
+		// possible.
+		if len(b) >= len(ciphertext) {
+			dec, err := p.crypto.Decrypt(b[:0], ciphertext)
+			if err != nil {
+				return 0, err
+			}
+			return len(dec), nil
+		}
 		// Decrypt requires that if the dst and ciphertext alias, they
 		// must alias exactly. Code here used to use msg[:0], but msg
 		// starts MsgLenFieldSize+msgTypeFieldSize bytes earlier than
@@ -266,10 +290,3 @@ func (p *conn) Write(b []byte) (n int, err error) {
 	}
 	return n, nil
 }
-
-func min(a, b int) int {
-	if a < b {
-		return a
-	}
-	return b
-}
diff --git a/vendor/google.golang.org/grpc/credentials/alts/internal/handshaker/handshaker.go b/vendor/google.golang.org/grpc/credentials/alts/internal/handshaker/handshaker.go
index 6c867dd8..f4974b50 100644
--- a/vendor/google.golang.org/grpc/credentials/alts/internal/handshaker/handshaker.go
+++ b/vendor/google.golang.org/grpc/credentials/alts/internal/handshaker/handshaker.go
@@ -88,6 +88,8 @@ type ClientHandshakerOptions struct {
 	TargetServiceAccounts []string
 	// RPCVersions specifies the gRPC versions accepted by the client.
 	RPCVersions *altspb.RpcProtocolVersions
+	// BoundAccessToken is a bound access token to be sent to the server for authentication.
+	BoundAccessToken string
 }
 
 // ServerHandshakerOptions contains the server handshaker options that can
@@ -128,7 +130,7 @@ type altsHandshaker struct {
 // NewClientHandshaker creates a core.Handshaker that performs a client-side
 // ALTS handshake by acting as a proxy between the peer and the ALTS handshaker
 // service in the metadata server.
-func NewClientHandshaker(ctx context.Context, conn *grpc.ClientConn, c net.Conn, opts *ClientHandshakerOptions) (core.Handshaker, error) {
+func NewClientHandshaker(_ context.Context, conn *grpc.ClientConn, c net.Conn, opts *ClientHandshakerOptions) (core.Handshaker, error) {
 	return &altsHandshaker{
 		stream:     nil,
 		conn:       c,
@@ -141,7 +143,7 @@ func NewClientHandshaker(ctx context.Context, conn *grpc.ClientConn, c net.Conn,
 // NewServerHandshaker creates a core.Handshaker that performs a server-side
 // ALTS handshake by acting as a proxy between the peer and the ALTS handshaker
 // service in the metadata server.
-func NewServerHandshaker(ctx context.Context, conn *grpc.ClientConn, c net.Conn, opts *ServerHandshakerOptions) (core.Handshaker, error) {
+func NewServerHandshaker(_ context.Context, conn *grpc.ClientConn, c net.Conn, opts *ServerHandshakerOptions) (core.Handshaker, error) {
 	return &altsHandshaker{
 		stream:     nil,
 		conn:       c,
@@ -195,7 +197,9 @@ func (h *altsHandshaker) ClientHandshake(ctx context.Context) (net.Conn, credent
 			},
 		},
 	}
-
+	if h.clientOpts.BoundAccessToken != "" {
+		req.GetClientStart().AccessToken = h.clientOpts.BoundAccessToken
+	}
 	conn, result, err := h.doHandshake(req)
 	if err != nil {
 		return nil, nil, err
@@ -294,11 +298,11 @@ func (h *altsHandshaker) doHandshake(req *altspb.HandshakerReq) (net.Conn, *alts
 
 func (h *altsHandshaker) accessHandshakerService(req *altspb.HandshakerReq) (*altspb.HandshakerResp, error) {
 	if err := h.stream.Send(req); err != nil {
-		return nil, err
+		return nil, fmt.Errorf("failed to send ALTS handshaker request: %w", err)
 	}
 	resp, err := h.stream.Recv()
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("failed to receive ALTS handshaker response: %w", err)
 	}
 	return resp, nil
 }
@@ -308,6 +312,7 @@ func (h *altsHandshaker) accessHandshakerService(req *altspb.HandshakerReq) (*al
 // whatever received from the network and send it to the handshaker service.
 func (h *altsHandshaker) processUntilDone(resp *altspb.HandshakerResp, extra []byte) (*altspb.HandshakerResult, []byte, error) {
 	var lastWriteTime time.Time
+	buf := make([]byte, frameLimit)
 	for {
 		if len(resp.OutFrames) > 0 {
 			lastWriteTime = time.Now()
@@ -318,7 +323,6 @@ func (h *altsHandshaker) processUntilDone(resp *altspb.HandshakerResp, extra []b
 		if resp.Result != nil {
 			return resp.Result, extra, nil
 		}
-		buf := make([]byte, frameLimit)
 		n, err := h.conn.Read(buf)
 		if err != nil && err != io.EOF {
 			return nil, nil, err
diff --git a/vendor/google.golang.org/grpc/credentials/alts/internal/handshaker/service/service.go b/vendor/google.golang.org/grpc/credentials/alts/internal/handshaker/service/service.go
index b3af0359..2580995d 100644
--- a/vendor/google.golang.org/grpc/credentials/alts/internal/handshaker/service/service.go
+++ b/vendor/google.golang.org/grpc/credentials/alts/internal/handshaker/service/service.go
@@ -22,9 +22,12 @@ package service
 
 import (
 	"sync"
+	"time"
 
 	grpc "google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
+	"google.golang.org/grpc/internal/envconfig"
+	"google.golang.org/grpc/keepalive"
 )
 
 var (
@@ -47,8 +50,20 @@ func Dial(hsAddress string) (*grpc.ClientConn, error) {
 	if !ok {
 		// Create a new connection to the handshaker service. Note that
 		// this connection stays open until the application is closed.
+		// Disable the service config to avoid unnecessary TXT record lookups that
+		// cause timeouts with some versions of systemd-resolved.
 		var err error
-		hsConn, err = grpc.Dial(hsAddress, grpc.WithTransportCredentials(insecure.NewCredentials()))
+		opts := []grpc.DialOption{
+			grpc.WithTransportCredentials(insecure.NewCredentials()),
+			grpc.WithDisableServiceConfig(),
+		}
+		if envconfig.ALTSHandshakerKeepaliveParams {
+			opts = append(opts, grpc.WithKeepaliveParams(keepalive.ClientParameters{
+				Timeout: 10 * time.Second,
+				Time:    10 * time.Minute,
+			}))
+		}
+		hsConn, err = grpc.NewClient(hsAddress, opts...)
 		if err != nil {
 			return nil, err
 		}
diff --git a/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/altscontext.pb.go b/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/altscontext.pb.go
index f478990d..50428a54 100644
--- a/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/altscontext.pb.go
+++ b/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/altscontext.pb.go
@@ -17,7 +17,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.34.1
+// 	protoc-gen-go v1.36.10
 // 	protoc        v5.27.1
 // source: grpc/gcp/altscontext.proto
 
@@ -28,6 +28,7 @@ import (
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 const (
@@ -38,10 +39,7 @@ const (
 )
 
 type AltsContext struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// The application protocol negotiated for this connection.
 	ApplicationProtocol string `protobuf:"bytes,1,opt,name=application_protocol,json=applicationProtocol,proto3" json:"application_protocol,omitempty"`
 	// The record protocol negotiated for this connection.
@@ -55,16 +53,16 @@ type AltsContext struct {
 	// The RPC protocol versions supported by the peer.
 	PeerRpcVersions *RpcProtocolVersions `protobuf:"bytes,6,opt,name=peer_rpc_versions,json=peerRpcVersions,proto3" json:"peer_rpc_versions,omitempty"`
 	// Additional attributes of the peer.
-	PeerAttributes map[string]string `protobuf:"bytes,7,rep,name=peer_attributes,json=peerAttributes,proto3" json:"peer_attributes,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	PeerAttributes map[string]string `protobuf:"bytes,7,rep,name=peer_attributes,json=peerAttributes,proto3" json:"peer_attributes,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	unknownFields  protoimpl.UnknownFields
+	sizeCache      protoimpl.SizeCache
 }
 
 func (x *AltsContext) Reset() {
 	*x = AltsContext{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_altscontext_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_altscontext_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *AltsContext) String() string {
@@ -75,7 +73,7 @@ func (*AltsContext) ProtoMessage() {}
 
 func (x *AltsContext) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_gcp_altscontext_proto_msgTypes[0]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -141,67 +139,36 @@ func (x *AltsContext) GetPeerAttributes() map[string]string {
 
 var File_grpc_gcp_altscontext_proto protoreflect.FileDescriptor
 
-var file_grpc_gcp_altscontext_proto_rawDesc = []byte{
-	0x0a, 0x1a, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x67, 0x63, 0x70, 0x2f, 0x61, 0x6c, 0x74, 0x73, 0x63,
-	0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x08, 0x67, 0x72,
-	0x70, 0x63, 0x2e, 0x67, 0x63, 0x70, 0x1a, 0x28, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x67, 0x63, 0x70,
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-	0x69, 0x74, 0x79, 0x5f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x22, 0xf1, 0x03, 0x0a, 0x0b, 0x41, 0x6c, 0x74, 0x73, 0x43, 0x6f, 0x6e, 0x74, 0x65, 0x78, 0x74,
-	0x12, 0x31, 0x0a, 0x14, 0x61, 0x70, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f,
-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x13,
-	0x61, 0x70, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x50, 0x72, 0x6f, 0x74, 0x6f,
-	0x63, 0x6f, 0x6c, 0x12, 0x27, 0x0a, 0x0f, 0x72, 0x65, 0x63, 0x6f, 0x72, 0x64, 0x5f, 0x70, 0x72,
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-	0x01, 0x5a, 0x3f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x67, 0x6f, 0x6c, 0x61, 0x6e, 0x67,
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-	0x74, 0x69, 0x61, 0x6c, 0x73, 0x2f, 0x61, 0x6c, 0x74, 0x73, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72,
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-	0x63, 0x70, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-}
+const file_grpc_gcp_altscontext_proto_rawDesc = "" +
+	"\n" +
+	"\x1agrpc/gcp/altscontext.proto\x12\bgrpc.gcp\x1a(grpc/gcp/transport_security_common.proto\"\xf1\x03\n" +
+	"\vAltsContext\x121\n" +
+	"\x14application_protocol\x18\x01 \x01(\tR\x13applicationProtocol\x12'\n" +
+	"\x0frecord_protocol\x18\x02 \x01(\tR\x0erecordProtocol\x12>\n" +
+	"\x0esecurity_level\x18\x03 \x01(\x0e2\x17.grpc.gcp.SecurityLevelR\rsecurityLevel\x120\n" +
+	"\x14peer_service_account\x18\x04 \x01(\tR\x12peerServiceAccount\x122\n" +
+	"\x15local_service_account\x18\x05 \x01(\tR\x13localServiceAccount\x12I\n" +
+	"\x11peer_rpc_versions\x18\x06 \x01(\v2\x1d.grpc.gcp.RpcProtocolVersionsR\x0fpeerRpcVersions\x12R\n" +
+	"\x0fpeer_attributes\x18\a \x03(\v2).grpc.gcp.AltsContext.PeerAttributesEntryR\x0epeerAttributes\x1aA\n" +
+	"\x13PeerAttributesEntry\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
+	"\x05value\x18\x02 \x01(\tR\x05value:\x028\x01Bl\n" +
+	"\x15io.grpc.alts.internalB\x10AltsContextProtoP\x01Z?google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcpb\x06proto3"
 
 var (
 	file_grpc_gcp_altscontext_proto_rawDescOnce sync.Once
-	file_grpc_gcp_altscontext_proto_rawDescData = file_grpc_gcp_altscontext_proto_rawDesc
+	file_grpc_gcp_altscontext_proto_rawDescData []byte
 )
 
 func file_grpc_gcp_altscontext_proto_rawDescGZIP() []byte {
 	file_grpc_gcp_altscontext_proto_rawDescOnce.Do(func() {
-		file_grpc_gcp_altscontext_proto_rawDescData = protoimpl.X.CompressGZIP(file_grpc_gcp_altscontext_proto_rawDescData)
+		file_grpc_gcp_altscontext_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_grpc_gcp_altscontext_proto_rawDesc), len(file_grpc_gcp_altscontext_proto_rawDesc)))
 	})
 	return file_grpc_gcp_altscontext_proto_rawDescData
 }
 
 var file_grpc_gcp_altscontext_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
-var file_grpc_gcp_altscontext_proto_goTypes = []interface{}{
+var file_grpc_gcp_altscontext_proto_goTypes = []any{
 	(*AltsContext)(nil),         // 0: grpc.gcp.AltsContext
 	nil,                         // 1: grpc.gcp.AltsContext.PeerAttributesEntry
 	(SecurityLevel)(0),          // 2: grpc.gcp.SecurityLevel
@@ -224,25 +191,11 @@ func file_grpc_gcp_altscontext_proto_init() {
 		return
 	}
 	file_grpc_gcp_transport_security_common_proto_init()
-	if !protoimpl.UnsafeEnabled {
-		file_grpc_gcp_altscontext_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AltsContext); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_grpc_gcp_altscontext_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_grpc_gcp_altscontext_proto_rawDesc), len(file_grpc_gcp_altscontext_proto_rawDesc)),
 			NumEnums:      0,
 			NumMessages:   2,
 			NumExtensions: 0,
@@ -253,7 +206,6 @@ func file_grpc_gcp_altscontext_proto_init() {
 		MessageInfos:      file_grpc_gcp_altscontext_proto_msgTypes,
 	}.Build()
 	File_grpc_gcp_altscontext_proto = out.File
-	file_grpc_gcp_altscontext_proto_rawDesc = nil
 	file_grpc_gcp_altscontext_proto_goTypes = nil
 	file_grpc_gcp_altscontext_proto_depIdxs = nil
 }
diff --git a/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/handshaker.pb.go b/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/handshaker.pb.go
index 377723f2..2222e6de 100644
--- a/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/handshaker.pb.go
+++ b/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/handshaker.pb.go
@@ -17,7 +17,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.34.1
+// 	protoc-gen-go v1.36.10
 // 	protoc        v5.27.1
 // source: grpc/gcp/handshaker.proto
 
@@ -28,6 +28,7 @@ import (
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 const (
@@ -139,26 +140,23 @@ func (NetworkProtocol) EnumDescriptor() ([]byte, []int) {
 }
 
 type Endpoint struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// IP address. It should contain an IPv4 or IPv6 string literal, e.g.
 	// "192.168.0.1" or "2001:db8::1".
 	IpAddress string `protobuf:"bytes,1,opt,name=ip_address,json=ipAddress,proto3" json:"ip_address,omitempty"`
 	// Port number.
 	Port int32 `protobuf:"varint,2,opt,name=port,proto3" json:"port,omitempty"`
 	// Network protocol (e.g., TCP, UDP) associated with this endpoint.
-	Protocol NetworkProtocol `protobuf:"varint,3,opt,name=protocol,proto3,enum=grpc.gcp.NetworkProtocol" json:"protocol,omitempty"`
+	Protocol      NetworkProtocol `protobuf:"varint,3,opt,name=protocol,proto3,enum=grpc.gcp.NetworkProtocol" json:"protocol,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Endpoint) Reset() {
 	*x = Endpoint{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_handshaker_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_handshaker_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *Endpoint) String() string {
@@ -169,7 +167,7 @@ func (*Endpoint) ProtoMessage() {}
 
 func (x *Endpoint) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_gcp_handshaker_proto_msgTypes[0]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -206,26 +204,23 @@ func (x *Endpoint) GetProtocol() NetworkProtocol {
 }
 
 type Identity struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// Types that are assignable to IdentityOneof:
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// Types that are valid to be assigned to IdentityOneof:
 	//
 	//	*Identity_ServiceAccount
 	//	*Identity_Hostname
 	IdentityOneof isIdentity_IdentityOneof `protobuf_oneof:"identity_oneof"`
 	// Additional attributes of the identity.
-	Attributes map[string]string `protobuf:"bytes,3,rep,name=attributes,proto3" json:"attributes,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	Attributes    map[string]string `protobuf:"bytes,3,rep,name=attributes,proto3" json:"attributes,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Identity) Reset() {
 	*x = Identity{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_handshaker_proto_msgTypes[1]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_handshaker_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *Identity) String() string {
@@ -236,7 +231,7 @@ func (*Identity) ProtoMessage() {}
 
 func (x *Identity) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_gcp_handshaker_proto_msgTypes[1]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -251,23 +246,27 @@ func (*Identity) Descriptor() ([]byte, []int) {
 	return file_grpc_gcp_handshaker_proto_rawDescGZIP(), []int{1}
 }
 
-func (m *Identity) GetIdentityOneof() isIdentity_IdentityOneof {
-	if m != nil {
-		return m.IdentityOneof
+func (x *Identity) GetIdentityOneof() isIdentity_IdentityOneof {
+	if x != nil {
+		return x.IdentityOneof
 	}
 	return nil
 }
 
 func (x *Identity) GetServiceAccount() string {
-	if x, ok := x.GetIdentityOneof().(*Identity_ServiceAccount); ok {
-		return x.ServiceAccount
+	if x != nil {
+		if x, ok := x.IdentityOneof.(*Identity_ServiceAccount); ok {
+			return x.ServiceAccount
+		}
 	}
 	return ""
 }
 
 func (x *Identity) GetHostname() string {
-	if x, ok := x.GetIdentityOneof().(*Identity_Hostname); ok {
-		return x.Hostname
+	if x != nil {
+		if x, ok := x.IdentityOneof.(*Identity_Hostname); ok {
+			return x.Hostname
+		}
 	}
 	return ""
 }
@@ -298,10 +297,7 @@ func (*Identity_ServiceAccount) isIdentity_IdentityOneof() {}
 func (*Identity_Hostname) isIdentity_IdentityOneof() {}
 
 type StartClientHandshakeReq struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// Handshake security protocol requested by the client.
 	HandshakeSecurityProtocol HandshakeProtocol `protobuf:"varint,1,opt,name=handshake_security_protocol,json=handshakeSecurityProtocol,proto3,enum=grpc.gcp.HandshakeProtocol" json:"handshake_security_protocol,omitempty"`
 	// The application protocols supported by the client, e.g., "h2" (for http2),
@@ -336,15 +332,17 @@ type StartClientHandshakeReq struct {
 	// the peer. The access token MUST be strongly bound to the ALTS credentials
 	// used to establish the connection that the token is sent over.
 	AccessToken string `protobuf:"bytes,11,opt,name=access_token,json=accessToken,proto3" json:"access_token,omitempty"`
+	// (Optional) Ordered transport protocol preferences supported by the client.
+	TransportProtocolPreferences *TransportProtocolPreferences `protobuf:"bytes,12,opt,name=transport_protocol_preferences,json=transportProtocolPreferences,proto3" json:"transport_protocol_preferences,omitempty"`
+	unknownFields                protoimpl.UnknownFields
+	sizeCache                    protoimpl.SizeCache
 }
 
 func (x *StartClientHandshakeReq) Reset() {
 	*x = StartClientHandshakeReq{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_handshaker_proto_msgTypes[2]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_handshaker_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *StartClientHandshakeReq) String() string {
@@ -355,7 +353,7 @@ func (*StartClientHandshakeReq) ProtoMessage() {}
 
 func (x *StartClientHandshakeReq) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_gcp_handshaker_proto_msgTypes[2]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -447,11 +445,15 @@ func (x *StartClientHandshakeReq) GetAccessToken() string {
 	return ""
 }
 
-type ServerHandshakeParameters struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
+func (x *StartClientHandshakeReq) GetTransportProtocolPreferences() *TransportProtocolPreferences {
+	if x != nil {
+		return x.TransportProtocolPreferences
+	}
+	return nil
+}
 
+type ServerHandshakeParameters struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// The record protocols supported by the server, e.g.,
 	// "ALTSRP_GCM_AES128".
 	RecordProtocols []string `protobuf:"bytes,1,rep,name=record_protocols,json=recordProtocols,proto3" json:"record_protocols,omitempty"`
@@ -462,16 +464,16 @@ type ServerHandshakeParameters struct {
 	// ALTS connections. The token should be used to authenticate to
 	// the peer. The token MUST be strongly bound to the ALTS credentials
 	// used to establish the connection that the token is sent over.
-	Token *string `protobuf:"bytes,3,opt,name=token,proto3,oneof" json:"token,omitempty"`
+	Token         *string `protobuf:"bytes,3,opt,name=token,proto3,oneof" json:"token,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *ServerHandshakeParameters) Reset() {
 	*x = ServerHandshakeParameters{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_handshaker_proto_msgTypes[3]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_handshaker_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *ServerHandshakeParameters) String() string {
@@ -482,7 +484,7 @@ func (*ServerHandshakeParameters) ProtoMessage() {}
 
 func (x *ServerHandshakeParameters) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_gcp_handshaker_proto_msgTypes[3]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -519,10 +521,7 @@ func (x *ServerHandshakeParameters) GetToken() string {
 }
 
 type StartServerHandshakeReq struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// The application protocols supported by the server, e.g., "h2" (for http2),
 	// "grpc".
 	ApplicationProtocols []string `protobuf:"bytes,1,rep,name=application_protocols,json=applicationProtocols,proto3" json:"application_protocols,omitempty"`
@@ -531,7 +530,7 @@ type StartServerHandshakeReq struct {
 	// protocol (e.g., TLS or ALTS) has its own set of record protocols and local
 	// identities. Since protobuf does not support enum as key to the map, the key
 	// to handshake_parameters is the integer value of HandshakeProtocol enum.
-	HandshakeParameters map[int32]*ServerHandshakeParameters `protobuf:"bytes,2,rep,name=handshake_parameters,json=handshakeParameters,proto3" json:"handshake_parameters,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	HandshakeParameters map[int32]*ServerHandshakeParameters `protobuf:"bytes,2,rep,name=handshake_parameters,json=handshakeParameters,proto3" json:"handshake_parameters,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
 	// Bytes in out_frames returned from the peer's HandshakerResp. It is possible
 	// that the peer's out_frames are split into multiple HandshakeReq messages.
 	InBytes []byte `protobuf:"bytes,3,opt,name=in_bytes,json=inBytes,proto3" json:"in_bytes,omitempty"`
@@ -545,15 +544,17 @@ type StartServerHandshakeReq struct {
 	RpcVersions *RpcProtocolVersions `protobuf:"bytes,6,opt,name=rpc_versions,json=rpcVersions,proto3" json:"rpc_versions,omitempty"`
 	// (Optional) Maximum frame size supported by the server.
 	MaxFrameSize uint32 `protobuf:"varint,7,opt,name=max_frame_size,json=maxFrameSize,proto3" json:"max_frame_size,omitempty"`
+	// (Optional) Transport protocol preferences supported by the server.
+	TransportProtocolPreferences *TransportProtocolPreferences `protobuf:"bytes,8,opt,name=transport_protocol_preferences,json=transportProtocolPreferences,proto3" json:"transport_protocol_preferences,omitempty"`
+	unknownFields                protoimpl.UnknownFields
+	sizeCache                    protoimpl.SizeCache
 }
 
 func (x *StartServerHandshakeReq) Reset() {
 	*x = StartServerHandshakeReq{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_handshaker_proto_msgTypes[4]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_handshaker_proto_msgTypes[4]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *StartServerHandshakeReq) String() string {
@@ -564,7 +565,7 @@ func (*StartServerHandshakeReq) ProtoMessage() {}
 
 func (x *StartServerHandshakeReq) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_gcp_handshaker_proto_msgTypes[4]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -628,11 +629,15 @@ func (x *StartServerHandshakeReq) GetMaxFrameSize() uint32 {
 	return 0
 }
 
-type NextHandshakeMessageReq struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
+func (x *StartServerHandshakeReq) GetTransportProtocolPreferences() *TransportProtocolPreferences {
+	if x != nil {
+		return x.TransportProtocolPreferences
+	}
+	return nil
+}
 
+type NextHandshakeMessageReq struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// Bytes in out_frames returned from the peer's HandshakerResp. It is possible
 	// that the peer's out_frames are split into multiple NextHandshakerMessageReq
 	// messages.
@@ -641,15 +646,15 @@ type NextHandshakeMessageReq struct {
 	// message to the peer and when the application received the current handshake
 	// message (in the in_bytes field) from the peer.
 	NetworkLatencyMs uint32 `protobuf:"varint,2,opt,name=network_latency_ms,json=networkLatencyMs,proto3" json:"network_latency_ms,omitempty"`
+	unknownFields    protoimpl.UnknownFields
+	sizeCache        protoimpl.SizeCache
 }
 
 func (x *NextHandshakeMessageReq) Reset() {
 	*x = NextHandshakeMessageReq{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_handshaker_proto_msgTypes[5]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_handshaker_proto_msgTypes[5]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *NextHandshakeMessageReq) String() string {
@@ -660,7 +665,7 @@ func (*NextHandshakeMessageReq) ProtoMessage() {}
 
 func (x *NextHandshakeMessageReq) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_gcp_handshaker_proto_msgTypes[5]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -690,25 +695,22 @@ func (x *NextHandshakeMessageReq) GetNetworkLatencyMs() uint32 {
 }
 
 type HandshakerReq struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// Types that are assignable to ReqOneof:
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// Types that are valid to be assigned to ReqOneof:
 	//
 	//	*HandshakerReq_ClientStart
 	//	*HandshakerReq_ServerStart
 	//	*HandshakerReq_Next
-	ReqOneof isHandshakerReq_ReqOneof `protobuf_oneof:"req_oneof"`
+	ReqOneof      isHandshakerReq_ReqOneof `protobuf_oneof:"req_oneof"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *HandshakerReq) Reset() {
 	*x = HandshakerReq{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_handshaker_proto_msgTypes[6]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_handshaker_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *HandshakerReq) String() string {
@@ -719,7 +721,7 @@ func (*HandshakerReq) ProtoMessage() {}
 
 func (x *HandshakerReq) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_gcp_handshaker_proto_msgTypes[6]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -734,30 +736,36 @@ func (*HandshakerReq) Descriptor() ([]byte, []int) {
 	return file_grpc_gcp_handshaker_proto_rawDescGZIP(), []int{6}
 }
 
-func (m *HandshakerReq) GetReqOneof() isHandshakerReq_ReqOneof {
-	if m != nil {
-		return m.ReqOneof
+func (x *HandshakerReq) GetReqOneof() isHandshakerReq_ReqOneof {
+	if x != nil {
+		return x.ReqOneof
 	}
 	return nil
 }
 
 func (x *HandshakerReq) GetClientStart() *StartClientHandshakeReq {
-	if x, ok := x.GetReqOneof().(*HandshakerReq_ClientStart); ok {
-		return x.ClientStart
+	if x != nil {
+		if x, ok := x.ReqOneof.(*HandshakerReq_ClientStart); ok {
+			return x.ClientStart
+		}
 	}
 	return nil
 }
 
 func (x *HandshakerReq) GetServerStart() *StartServerHandshakeReq {
-	if x, ok := x.GetReqOneof().(*HandshakerReq_ServerStart); ok {
-		return x.ServerStart
+	if x != nil {
+		if x, ok := x.ReqOneof.(*HandshakerReq_ServerStart); ok {
+			return x.ServerStart
+		}
 	}
 	return nil
 }
 
 func (x *HandshakerReq) GetNext() *NextHandshakeMessageReq {
-	if x, ok := x.GetReqOneof().(*HandshakerReq_Next); ok {
-		return x.Next
+	if x != nil {
+		if x, ok := x.ReqOneof.(*HandshakerReq_Next); ok {
+			return x.Next
+		}
 	}
 	return nil
 }
@@ -788,10 +796,7 @@ func (*HandshakerReq_ServerStart) isHandshakerReq_ReqOneof() {}
 func (*HandshakerReq_Next) isHandshakerReq_ReqOneof() {}
 
 type HandshakerResult struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// The application protocol negotiated for this connection.
 	ApplicationProtocol string `protobuf:"bytes,1,opt,name=application_protocol,json=applicationProtocol,proto3" json:"application_protocol,omitempty"`
 	// The record protocol negotiated for this connection.
@@ -812,15 +817,17 @@ type HandshakerResult struct {
 	PeerRpcVersions *RpcProtocolVersions `protobuf:"bytes,7,opt,name=peer_rpc_versions,json=peerRpcVersions,proto3" json:"peer_rpc_versions,omitempty"`
 	// The maximum frame size of the peer.
 	MaxFrameSize uint32 `protobuf:"varint,8,opt,name=max_frame_size,json=maxFrameSize,proto3" json:"max_frame_size,omitempty"`
+	// (Optional) The transport protocol negotiated for this connection.
+	TransportProtocol *NegotiatedTransportProtocol `protobuf:"bytes,9,opt,name=transport_protocol,json=transportProtocol,proto3" json:"transport_protocol,omitempty"`
+	unknownFields     protoimpl.UnknownFields
+	sizeCache         protoimpl.SizeCache
 }
 
 func (x *HandshakerResult) Reset() {
 	*x = HandshakerResult{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_handshaker_proto_msgTypes[7]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_handshaker_proto_msgTypes[7]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *HandshakerResult) String() string {
@@ -831,7 +838,7 @@ func (*HandshakerResult) ProtoMessage() {}
 
 func (x *HandshakerResult) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_gcp_handshaker_proto_msgTypes[7]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -902,24 +909,28 @@ func (x *HandshakerResult) GetMaxFrameSize() uint32 {
 	return 0
 }
 
-type HandshakerStatus struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
+func (x *HandshakerResult) GetTransportProtocol() *NegotiatedTransportProtocol {
+	if x != nil {
+		return x.TransportProtocol
+	}
+	return nil
+}
 
+type HandshakerStatus struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// The status code. This could be the gRPC status code.
 	Code uint32 `protobuf:"varint,1,opt,name=code,proto3" json:"code,omitempty"`
 	// The status details.
-	Details string `protobuf:"bytes,2,opt,name=details,proto3" json:"details,omitempty"`
+	Details       string `protobuf:"bytes,2,opt,name=details,proto3" json:"details,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *HandshakerStatus) Reset() {
 	*x = HandshakerStatus{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_handshaker_proto_msgTypes[8]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_handshaker_proto_msgTypes[8]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *HandshakerStatus) String() string {
@@ -930,7 +941,7 @@ func (*HandshakerStatus) ProtoMessage() {}
 
 func (x *HandshakerStatus) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_gcp_handshaker_proto_msgTypes[8]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -960,10 +971,7 @@ func (x *HandshakerStatus) GetDetails() string {
 }
 
 type HandshakerResp struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// Frames to be given to the peer for the NextHandshakeMessageReq. May be
 	// empty if no out_frames have to be sent to the peer or if in_bytes in the
 	// HandshakerReq are incomplete. All the non-empty out frames must be sent to
@@ -978,16 +986,16 @@ type HandshakerResp struct {
 	// to frames that needs to be forwarded to the peer.
 	Result *HandshakerResult `protobuf:"bytes,3,opt,name=result,proto3" json:"result,omitempty"`
 	// Status of the handshaker.
-	Status *HandshakerStatus `protobuf:"bytes,4,opt,name=status,proto3" json:"status,omitempty"`
+	Status        *HandshakerStatus `protobuf:"bytes,4,opt,name=status,proto3" json:"status,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *HandshakerResp) Reset() {
 	*x = HandshakerResp{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_handshaker_proto_msgTypes[9]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_handshaker_proto_msgTypes[9]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *HandshakerResp) String() string {
@@ -998,7 +1006,7 @@ func (*HandshakerResp) ProtoMessage() {}
 
 func (x *HandshakerResp) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_gcp_handshaker_proto_msgTypes[9]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -1043,236 +1051,127 @@ func (x *HandshakerResp) GetStatus() *HandshakerStatus {
 
 var File_grpc_gcp_handshaker_proto protoreflect.FileDescriptor
 
-var file_grpc_gcp_handshaker_proto_rawDesc = []byte{
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-}
+const file_grpc_gcp_handshaker_proto_rawDesc = "" +
+	"\n" +
+	"\x19grpc/gcp/handshaker.proto\x12\bgrpc.gcp\x1a(grpc/gcp/transport_security_common.proto\"t\n" +
+	"\bEndpoint\x12\x1d\n" +
+	"\n" +
+	"ip_address\x18\x01 \x01(\tR\tipAddress\x12\x12\n" +
+	"\x04port\x18\x02 \x01(\x05R\x04port\x125\n" +
+	"\bprotocol\x18\x03 \x01(\x0e2\x19.grpc.gcp.NetworkProtocolR\bprotocol\"\xe8\x01\n" +
+	"\bIdentity\x12)\n" +
+	"\x0fservice_account\x18\x01 \x01(\tH\x00R\x0eserviceAccount\x12\x1c\n" +
+	"\bhostname\x18\x02 \x01(\tH\x00R\bhostname\x12B\n" +
+	"\n" +
+	"attributes\x18\x03 \x03(\v2\".grpc.gcp.Identity.AttributesEntryR\n" +
+	"attributes\x1a=\n" +
+	"\x0fAttributesEntry\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n" +
+	"\x05value\x18\x02 \x01(\tR\x05value:\x028\x01B\x10\n" +
+	"\x0eidentity_oneof\"\xe9\x05\n" +
+	"\x17StartClientHandshakeReq\x12[\n" +
+	"\x1bhandshake_security_protocol\x18\x01 \x01(\x0e2\x1b.grpc.gcp.HandshakeProtocolR\x19handshakeSecurityProtocol\x123\n" +
+	"\x15application_protocols\x18\x02 \x03(\tR\x14applicationProtocols\x12)\n" +
+	"\x10record_protocols\x18\x03 \x03(\tR\x0frecordProtocols\x12?\n" +
+	"\x11target_identities\x18\x04 \x03(\v2\x12.grpc.gcp.IdentityR\x10targetIdentities\x129\n" +
+	"\x0elocal_identity\x18\x05 \x01(\v2\x12.grpc.gcp.IdentityR\rlocalIdentity\x129\n" +
+	"\x0elocal_endpoint\x18\x06 \x01(\v2\x12.grpc.gcp.EndpointR\rlocalEndpoint\x12;\n" +
+	"\x0fremote_endpoint\x18\a \x01(\v2\x12.grpc.gcp.EndpointR\x0eremoteEndpoint\x12\x1f\n" +
+	"\vtarget_name\x18\b \x01(\tR\n" +
+	"targetName\x12@\n" +
+	"\frpc_versions\x18\t \x01(\v2\x1d.grpc.gcp.RpcProtocolVersionsR\vrpcVersions\x12$\n" +
+	"\x0emax_frame_size\x18\n" +
+	" \x01(\rR\fmaxFrameSize\x12&\n" +
+	"\faccess_token\x18\v \x01(\tB\x03\x80\x01\x01R\vaccessToken\x12l\n" +
+	"\x1etransport_protocol_preferences\x18\f \x01(\v2&.grpc.gcp.TransportProtocolPreferencesR\x1ctransportProtocolPreferences\"\xaf\x01\n" +
+	"\x19ServerHandshakeParameters\x12)\n" +
+	"\x10record_protocols\x18\x01 \x03(\tR\x0frecordProtocols\x12=\n" +
+	"\x10local_identities\x18\x02 \x03(\v2\x12.grpc.gcp.IdentityR\x0flocalIdentities\x12\x1e\n" +
+	"\x05token\x18\x03 \x01(\tB\x03\x80\x01\x01H\x00R\x05token\x88\x01\x01B\b\n" +
+	"\x06_token\"\x93\x05\n" +
+	"\x17StartServerHandshakeReq\x123\n" +
+	"\x15application_protocols\x18\x01 \x03(\tR\x14applicationProtocols\x12m\n" +
+	"\x14handshake_parameters\x18\x02 \x03(\v2:.grpc.gcp.StartServerHandshakeReq.HandshakeParametersEntryR\x13handshakeParameters\x12\x19\n" +
+	"\bin_bytes\x18\x03 \x01(\fR\ainBytes\x129\n" +
+	"\x0elocal_endpoint\x18\x04 \x01(\v2\x12.grpc.gcp.EndpointR\rlocalEndpoint\x12;\n" +
+	"\x0fremote_endpoint\x18\x05 \x01(\v2\x12.grpc.gcp.EndpointR\x0eremoteEndpoint\x12@\n" +
+	"\frpc_versions\x18\x06 \x01(\v2\x1d.grpc.gcp.RpcProtocolVersionsR\vrpcVersions\x12$\n" +
+	"\x0emax_frame_size\x18\a \x01(\rR\fmaxFrameSize\x12l\n" +
+	"\x1etransport_protocol_preferences\x18\b \x01(\v2&.grpc.gcp.TransportProtocolPreferencesR\x1ctransportProtocolPreferences\x1ak\n" +
+	"\x18HandshakeParametersEntry\x12\x10\n" +
+	"\x03key\x18\x01 \x01(\x05R\x03key\x129\n" +
+	"\x05value\x18\x02 \x01(\v2#.grpc.gcp.ServerHandshakeParametersR\x05value:\x028\x01\"b\n" +
+	"\x17NextHandshakeMessageReq\x12\x19\n" +
+	"\bin_bytes\x18\x01 \x01(\fR\ainBytes\x12,\n" +
+	"\x12network_latency_ms\x18\x02 \x01(\rR\x10networkLatencyMs\"\xe5\x01\n" +
+	"\rHandshakerReq\x12F\n" +
+	"\fclient_start\x18\x01 \x01(\v2!.grpc.gcp.StartClientHandshakeReqH\x00R\vclientStart\x12F\n" +
+	"\fserver_start\x18\x02 \x01(\v2!.grpc.gcp.StartServerHandshakeReqH\x00R\vserverStart\x127\n" +
+	"\x04next\x18\x03 \x01(\v2!.grpc.gcp.NextHandshakeMessageReqH\x00R\x04nextB\v\n" +
+	"\treq_oneof\"\xf0\x03\n" +
+	"\x10HandshakerResult\x121\n" +
+	"\x14application_protocol\x18\x01 \x01(\tR\x13applicationProtocol\x12'\n" +
+	"\x0frecord_protocol\x18\x02 \x01(\tR\x0erecordProtocol\x12\x19\n" +
+	"\bkey_data\x18\x03 \x01(\fR\akeyData\x127\n" +
+	"\rpeer_identity\x18\x04 \x01(\v2\x12.grpc.gcp.IdentityR\fpeerIdentity\x129\n" +
+	"\x0elocal_identity\x18\x05 \x01(\v2\x12.grpc.gcp.IdentityR\rlocalIdentity\x12*\n" +
+	"\x11keep_channel_open\x18\x06 \x01(\bR\x0fkeepChannelOpen\x12I\n" +
+	"\x11peer_rpc_versions\x18\a \x01(\v2\x1d.grpc.gcp.RpcProtocolVersionsR\x0fpeerRpcVersions\x12$\n" +
+	"\x0emax_frame_size\x18\b \x01(\rR\fmaxFrameSize\x12T\n" +
+	"\x12transport_protocol\x18\t \x01(\v2%.grpc.gcp.NegotiatedTransportProtocolR\x11transportProtocol\"@\n" +
+	"\x10HandshakerStatus\x12\x12\n" +
+	"\x04code\x18\x01 \x01(\rR\x04code\x12\x18\n" +
+	"\adetails\x18\x02 \x01(\tR\adetails\"\xbe\x01\n" +
+	"\x0eHandshakerResp\x12\x1d\n" +
+	"\n" +
+	"out_frames\x18\x01 \x01(\fR\toutFrames\x12%\n" +
+	"\x0ebytes_consumed\x18\x02 \x01(\rR\rbytesConsumed\x122\n" +
+	"\x06result\x18\x03 \x01(\v2\x1a.grpc.gcp.HandshakerResultR\x06result\x122\n" +
+	"\x06status\x18\x04 \x01(\v2\x1a.grpc.gcp.HandshakerStatusR\x06status*J\n" +
+	"\x11HandshakeProtocol\x12\"\n" +
+	"\x1eHANDSHAKE_PROTOCOL_UNSPECIFIED\x10\x00\x12\a\n" +
+	"\x03TLS\x10\x01\x12\b\n" +
+	"\x04ALTS\x10\x02*E\n" +
+	"\x0fNetworkProtocol\x12 \n" +
+	"\x1cNETWORK_PROTOCOL_UNSPECIFIED\x10\x00\x12\a\n" +
+	"\x03TCP\x10\x01\x12\a\n" +
+	"\x03UDP\x10\x022[\n" +
+	"\x11HandshakerService\x12F\n" +
+	"\vDoHandshake\x12\x17.grpc.gcp.HandshakerReq\x1a\x18.grpc.gcp.HandshakerResp\"\x00(\x010\x01Bk\n" +
+	"\x15io.grpc.alts.internalB\x0fHandshakerProtoP\x01Z?google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcpb\x06proto3"
 
 var (
 	file_grpc_gcp_handshaker_proto_rawDescOnce sync.Once
-	file_grpc_gcp_handshaker_proto_rawDescData = file_grpc_gcp_handshaker_proto_rawDesc
+	file_grpc_gcp_handshaker_proto_rawDescData []byte
 )
 
 func file_grpc_gcp_handshaker_proto_rawDescGZIP() []byte {
 	file_grpc_gcp_handshaker_proto_rawDescOnce.Do(func() {
-		file_grpc_gcp_handshaker_proto_rawDescData = protoimpl.X.CompressGZIP(file_grpc_gcp_handshaker_proto_rawDescData)
+		file_grpc_gcp_handshaker_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_grpc_gcp_handshaker_proto_rawDesc), len(file_grpc_gcp_handshaker_proto_rawDesc)))
 	})
 	return file_grpc_gcp_handshaker_proto_rawDescData
 }
 
 var file_grpc_gcp_handshaker_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
 var file_grpc_gcp_handshaker_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
-var file_grpc_gcp_handshaker_proto_goTypes = []interface{}{
-	(HandshakeProtocol)(0),            // 0: grpc.gcp.HandshakeProtocol
-	(NetworkProtocol)(0),              // 1: grpc.gcp.NetworkProtocol
-	(*Endpoint)(nil),                  // 2: grpc.gcp.Endpoint
-	(*Identity)(nil),                  // 3: grpc.gcp.Identity
-	(*StartClientHandshakeReq)(nil),   // 4: grpc.gcp.StartClientHandshakeReq
-	(*ServerHandshakeParameters)(nil), // 5: grpc.gcp.ServerHandshakeParameters
-	(*StartServerHandshakeReq)(nil),   // 6: grpc.gcp.StartServerHandshakeReq
-	(*NextHandshakeMessageReq)(nil),   // 7: grpc.gcp.NextHandshakeMessageReq
-	(*HandshakerReq)(nil),             // 8: grpc.gcp.HandshakerReq
-	(*HandshakerResult)(nil),          // 9: grpc.gcp.HandshakerResult
-	(*HandshakerStatus)(nil),          // 10: grpc.gcp.HandshakerStatus
-	(*HandshakerResp)(nil),            // 11: grpc.gcp.HandshakerResp
-	nil,                               // 12: grpc.gcp.Identity.AttributesEntry
-	nil,                               // 13: grpc.gcp.StartServerHandshakeReq.HandshakeParametersEntry
-	(*RpcProtocolVersions)(nil),       // 14: grpc.gcp.RpcProtocolVersions
+var file_grpc_gcp_handshaker_proto_goTypes = []any{
+	(HandshakeProtocol)(0),               // 0: grpc.gcp.HandshakeProtocol
+	(NetworkProtocol)(0),                 // 1: grpc.gcp.NetworkProtocol
+	(*Endpoint)(nil),                     // 2: grpc.gcp.Endpoint
+	(*Identity)(nil),                     // 3: grpc.gcp.Identity
+	(*StartClientHandshakeReq)(nil),      // 4: grpc.gcp.StartClientHandshakeReq
+	(*ServerHandshakeParameters)(nil),    // 5: grpc.gcp.ServerHandshakeParameters
+	(*StartServerHandshakeReq)(nil),      // 6: grpc.gcp.StartServerHandshakeReq
+	(*NextHandshakeMessageReq)(nil),      // 7: grpc.gcp.NextHandshakeMessageReq
+	(*HandshakerReq)(nil),                // 8: grpc.gcp.HandshakerReq
+	(*HandshakerResult)(nil),             // 9: grpc.gcp.HandshakerResult
+	(*HandshakerStatus)(nil),             // 10: grpc.gcp.HandshakerStatus
+	(*HandshakerResp)(nil),               // 11: grpc.gcp.HandshakerResp
+	nil,                                  // 12: grpc.gcp.Identity.AttributesEntry
+	nil,                                  // 13: grpc.gcp.StartServerHandshakeReq.HandshakeParametersEntry
+	(*RpcProtocolVersions)(nil),          // 14: grpc.gcp.RpcProtocolVersions
+	(*TransportProtocolPreferences)(nil), // 15: grpc.gcp.TransportProtocolPreferences
+	(*NegotiatedTransportProtocol)(nil),  // 16: grpc.gcp.NegotiatedTransportProtocol
 }
 var file_grpc_gcp_handshaker_proto_depIdxs = []int32{
 	1,  // 0: grpc.gcp.Endpoint.protocol:type_name -> grpc.gcp.NetworkProtocol
@@ -1283,27 +1182,30 @@ var file_grpc_gcp_handshaker_proto_depIdxs = []int32{
 	2,  // 5: grpc.gcp.StartClientHandshakeReq.local_endpoint:type_name -> grpc.gcp.Endpoint
 	2,  // 6: grpc.gcp.StartClientHandshakeReq.remote_endpoint:type_name -> grpc.gcp.Endpoint
 	14, // 7: grpc.gcp.StartClientHandshakeReq.rpc_versions:type_name -> grpc.gcp.RpcProtocolVersions
-	3,  // 8: grpc.gcp.ServerHandshakeParameters.local_identities:type_name -> grpc.gcp.Identity
-	13, // 9: grpc.gcp.StartServerHandshakeReq.handshake_parameters:type_name -> grpc.gcp.StartServerHandshakeReq.HandshakeParametersEntry
-	2,  // 10: grpc.gcp.StartServerHandshakeReq.local_endpoint:type_name -> grpc.gcp.Endpoint
-	2,  // 11: grpc.gcp.StartServerHandshakeReq.remote_endpoint:type_name -> grpc.gcp.Endpoint
-	14, // 12: grpc.gcp.StartServerHandshakeReq.rpc_versions:type_name -> grpc.gcp.RpcProtocolVersions
-	4,  // 13: grpc.gcp.HandshakerReq.client_start:type_name -> grpc.gcp.StartClientHandshakeReq
-	6,  // 14: grpc.gcp.HandshakerReq.server_start:type_name -> grpc.gcp.StartServerHandshakeReq
-	7,  // 15: grpc.gcp.HandshakerReq.next:type_name -> grpc.gcp.NextHandshakeMessageReq
-	3,  // 16: grpc.gcp.HandshakerResult.peer_identity:type_name -> grpc.gcp.Identity
-	3,  // 17: grpc.gcp.HandshakerResult.local_identity:type_name -> grpc.gcp.Identity
-	14, // 18: grpc.gcp.HandshakerResult.peer_rpc_versions:type_name -> grpc.gcp.RpcProtocolVersions
-	9,  // 19: grpc.gcp.HandshakerResp.result:type_name -> grpc.gcp.HandshakerResult
-	10, // 20: grpc.gcp.HandshakerResp.status:type_name -> grpc.gcp.HandshakerStatus
-	5,  // 21: grpc.gcp.StartServerHandshakeReq.HandshakeParametersEntry.value:type_name -> grpc.gcp.ServerHandshakeParameters
-	8,  // 22: grpc.gcp.HandshakerService.DoHandshake:input_type -> grpc.gcp.HandshakerReq
-	11, // 23: grpc.gcp.HandshakerService.DoHandshake:output_type -> grpc.gcp.HandshakerResp
-	23, // [23:24] is the sub-list for method output_type
-	22, // [22:23] is the sub-list for method input_type
-	22, // [22:22] is the sub-list for extension type_name
-	22, // [22:22] is the sub-list for extension extendee
-	0,  // [0:22] is the sub-list for field type_name
+	15, // 8: grpc.gcp.StartClientHandshakeReq.transport_protocol_preferences:type_name -> grpc.gcp.TransportProtocolPreferences
+	3,  // 9: grpc.gcp.ServerHandshakeParameters.local_identities:type_name -> grpc.gcp.Identity
+	13, // 10: grpc.gcp.StartServerHandshakeReq.handshake_parameters:type_name -> grpc.gcp.StartServerHandshakeReq.HandshakeParametersEntry
+	2,  // 11: grpc.gcp.StartServerHandshakeReq.local_endpoint:type_name -> grpc.gcp.Endpoint
+	2,  // 12: grpc.gcp.StartServerHandshakeReq.remote_endpoint:type_name -> grpc.gcp.Endpoint
+	14, // 13: grpc.gcp.StartServerHandshakeReq.rpc_versions:type_name -> grpc.gcp.RpcProtocolVersions
+	15, // 14: grpc.gcp.StartServerHandshakeReq.transport_protocol_preferences:type_name -> grpc.gcp.TransportProtocolPreferences
+	4,  // 15: grpc.gcp.HandshakerReq.client_start:type_name -> grpc.gcp.StartClientHandshakeReq
+	6,  // 16: grpc.gcp.HandshakerReq.server_start:type_name -> grpc.gcp.StartServerHandshakeReq
+	7,  // 17: grpc.gcp.HandshakerReq.next:type_name -> grpc.gcp.NextHandshakeMessageReq
+	3,  // 18: grpc.gcp.HandshakerResult.peer_identity:type_name -> grpc.gcp.Identity
+	3,  // 19: grpc.gcp.HandshakerResult.local_identity:type_name -> grpc.gcp.Identity
+	14, // 20: grpc.gcp.HandshakerResult.peer_rpc_versions:type_name -> grpc.gcp.RpcProtocolVersions
+	16, // 21: grpc.gcp.HandshakerResult.transport_protocol:type_name -> grpc.gcp.NegotiatedTransportProtocol
+	9,  // 22: grpc.gcp.HandshakerResp.result:type_name -> grpc.gcp.HandshakerResult
+	10, // 23: grpc.gcp.HandshakerResp.status:type_name -> grpc.gcp.HandshakerStatus
+	5,  // 24: grpc.gcp.StartServerHandshakeReq.HandshakeParametersEntry.value:type_name -> grpc.gcp.ServerHandshakeParameters
+	8,  // 25: grpc.gcp.HandshakerService.DoHandshake:input_type -> grpc.gcp.HandshakerReq
+	11, // 26: grpc.gcp.HandshakerService.DoHandshake:output_type -> grpc.gcp.HandshakerResp
+	26, // [26:27] is the sub-list for method output_type
+	25, // [25:26] is the sub-list for method input_type
+	25, // [25:25] is the sub-list for extension type_name
+	25, // [25:25] is the sub-list for extension extendee
+	0,  // [0:25] is the sub-list for field type_name
 }
 
 func init() { file_grpc_gcp_handshaker_proto_init() }
@@ -1312,134 +1214,12 @@ func file_grpc_gcp_handshaker_proto_init() {
 		return
 	}
 	file_grpc_gcp_transport_security_common_proto_init()
-	if !protoimpl.UnsafeEnabled {
-		file_grpc_gcp_handshaker_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Endpoint); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_gcp_handshaker_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Identity); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_gcp_handshaker_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*StartClientHandshakeReq); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_gcp_handshaker_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ServerHandshakeParameters); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_gcp_handshaker_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*StartServerHandshakeReq); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_gcp_handshaker_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*NextHandshakeMessageReq); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_gcp_handshaker_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*HandshakerReq); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_gcp_handshaker_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*HandshakerResult); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_gcp_handshaker_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*HandshakerStatus); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_gcp_handshaker_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*HandshakerResp); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-	}
-	file_grpc_gcp_handshaker_proto_msgTypes[1].OneofWrappers = []interface{}{
+	file_grpc_gcp_handshaker_proto_msgTypes[1].OneofWrappers = []any{
 		(*Identity_ServiceAccount)(nil),
 		(*Identity_Hostname)(nil),
 	}
-	file_grpc_gcp_handshaker_proto_msgTypes[3].OneofWrappers = []interface{}{}
-	file_grpc_gcp_handshaker_proto_msgTypes[6].OneofWrappers = []interface{}{
+	file_grpc_gcp_handshaker_proto_msgTypes[3].OneofWrappers = []any{}
+	file_grpc_gcp_handshaker_proto_msgTypes[6].OneofWrappers = []any{
 		(*HandshakerReq_ClientStart)(nil),
 		(*HandshakerReq_ServerStart)(nil),
 		(*HandshakerReq_Next)(nil),
@@ -1448,7 +1228,7 @@ func file_grpc_gcp_handshaker_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_grpc_gcp_handshaker_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_grpc_gcp_handshaker_proto_rawDesc), len(file_grpc_gcp_handshaker_proto_rawDesc)),
 			NumEnums:      2,
 			NumMessages:   12,
 			NumExtensions: 0,
@@ -1460,7 +1240,6 @@ func file_grpc_gcp_handshaker_proto_init() {
 		MessageInfos:      file_grpc_gcp_handshaker_proto_msgTypes,
 	}.Build()
 	File_grpc_gcp_handshaker_proto = out.File
-	file_grpc_gcp_handshaker_proto_rawDesc = nil
 	file_grpc_gcp_handshaker_proto_goTypes = nil
 	file_grpc_gcp_handshaker_proto_depIdxs = nil
 }
diff --git a/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/handshaker_grpc.pb.go b/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/handshaker_grpc.pb.go
index 34443b1d..44b99ce7 100644
--- a/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/handshaker_grpc.pb.go
+++ b/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/handshaker_grpc.pb.go
@@ -17,7 +17,7 @@
 
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.5.1
+// - protoc-gen-go-grpc v1.6.0
 // - protoc             v5.27.1
 // source: grpc/gcp/handshaker.proto
 
@@ -95,7 +95,7 @@ type HandshakerServiceServer interface {
 type UnimplementedHandshakerServiceServer struct{}
 
 func (UnimplementedHandshakerServiceServer) DoHandshake(grpc.BidiStreamingServer[HandshakerReq, HandshakerResp]) error {
-	return status.Errorf(codes.Unimplemented, "method DoHandshake not implemented")
+	return status.Error(codes.Unimplemented, "method DoHandshake not implemented")
 }
 func (UnimplementedHandshakerServiceServer) mustEmbedUnimplementedHandshakerServiceServer() {}
 func (UnimplementedHandshakerServiceServer) testEmbeddedByValue()                           {}
diff --git a/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/transport_security_common.pb.go b/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/transport_security_common.pb.go
index 9f2ffc8a..cc335a3c 100644
--- a/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/transport_security_common.pb.go
+++ b/vendor/google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcp/transport_security_common.pb.go
@@ -17,7 +17,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.34.1
+// 	protoc-gen-go v1.36.10
 // 	protoc        v5.27.1
 // source: grpc/gcp/transport_security_common.proto
 
@@ -28,6 +28,7 @@ import (
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 const (
@@ -90,23 +91,20 @@ func (SecurityLevel) EnumDescriptor() ([]byte, []int) {
 
 // Max and min supported RPC protocol versions.
 type RpcProtocolVersions struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// Maximum supported RPC version.
 	MaxRpcVersion *RpcProtocolVersions_Version `protobuf:"bytes,1,opt,name=max_rpc_version,json=maxRpcVersion,proto3" json:"max_rpc_version,omitempty"`
 	// Minimum supported RPC version.
 	MinRpcVersion *RpcProtocolVersions_Version `protobuf:"bytes,2,opt,name=min_rpc_version,json=minRpcVersion,proto3" json:"min_rpc_version,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *RpcProtocolVersions) Reset() {
 	*x = RpcProtocolVersions{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *RpcProtocolVersions) String() string {
@@ -117,7 +115,7 @@ func (*RpcProtocolVersions) ProtoMessage() {}
 
 func (x *RpcProtocolVersions) ProtoReflect() protoreflect.Message {
 	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[0]
-	if protoimpl.UnsafeEnabled && x != nil {
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -146,23 +144,111 @@ func (x *RpcProtocolVersions) GetMinRpcVersion() *RpcProtocolVersions_Version {
 	return nil
 }
 
+// The ordered list of protocols that the client wishes to use, or the set
+// that the server supports.
+type TransportProtocolPreferences struct {
+	state             protoimpl.MessageState `protogen:"open.v1"`
+	TransportProtocol []string               `protobuf:"bytes,1,rep,name=transport_protocol,json=transportProtocol,proto3" json:"transport_protocol,omitempty"`
+	unknownFields     protoimpl.UnknownFields
+	sizeCache         protoimpl.SizeCache
+}
+
+func (x *TransportProtocolPreferences) Reset() {
+	*x = TransportProtocolPreferences{}
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *TransportProtocolPreferences) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TransportProtocolPreferences) ProtoMessage() {}
+
+func (x *TransportProtocolPreferences) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TransportProtocolPreferences.ProtoReflect.Descriptor instead.
+func (*TransportProtocolPreferences) Descriptor() ([]byte, []int) {
+	return file_grpc_gcp_transport_security_common_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *TransportProtocolPreferences) GetTransportProtocol() []string {
+	if x != nil {
+		return x.TransportProtocol
+	}
+	return nil
+}
+
+// The negotiated transport protocol.
+type NegotiatedTransportProtocol struct {
+	state             protoimpl.MessageState `protogen:"open.v1"`
+	TransportProtocol string                 `protobuf:"bytes,1,opt,name=transport_protocol,json=transportProtocol,proto3" json:"transport_protocol,omitempty"`
+	unknownFields     protoimpl.UnknownFields
+	sizeCache         protoimpl.SizeCache
+}
+
+func (x *NegotiatedTransportProtocol) Reset() {
+	*x = NegotiatedTransportProtocol{}
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *NegotiatedTransportProtocol) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*NegotiatedTransportProtocol) ProtoMessage() {}
+
+func (x *NegotiatedTransportProtocol) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use NegotiatedTransportProtocol.ProtoReflect.Descriptor instead.
+func (*NegotiatedTransportProtocol) Descriptor() ([]byte, []int) {
+	return file_grpc_gcp_transport_security_common_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *NegotiatedTransportProtocol) GetTransportProtocol() string {
+	if x != nil {
+		return x.TransportProtocol
+	}
+	return ""
+}
+
 // RPC version contains a major version and a minor version.
 type RpcProtocolVersions_Version struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Major         uint32                 `protobuf:"varint,1,opt,name=major,proto3" json:"major,omitempty"`
+	Minor         uint32                 `protobuf:"varint,2,opt,name=minor,proto3" json:"minor,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	Major uint32 `protobuf:"varint,1,opt,name=major,proto3" json:"major,omitempty"`
-	Minor uint32 `protobuf:"varint,2,opt,name=minor,proto3" json:"minor,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *RpcProtocolVersions_Version) Reset() {
 	*x = RpcProtocolVersions_Version{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[1]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
 }
 
 func (x *RpcProtocolVersions_Version) String() string {
@@ -172,8 +258,8 @@ func (x *RpcProtocolVersions_Version) String() string {
 func (*RpcProtocolVersions_Version) ProtoMessage() {}
 
 func (x *RpcProtocolVersions_Version) ProtoReflect() protoreflect.Message {
-	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[1]
-	if protoimpl.UnsafeEnabled && x != nil {
+	mi := &file_grpc_gcp_transport_security_common_proto_msgTypes[3]
+	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
@@ -204,63 +290,49 @@ func (x *RpcProtocolVersions_Version) GetMinor() uint32 {
 
 var File_grpc_gcp_transport_security_common_proto protoreflect.FileDescriptor
 
-var file_grpc_gcp_transport_security_common_proto_rawDesc = []byte{
-	0x0a, 0x28, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x67, 0x63, 0x70, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73,
-	0x70, 0x6f, 0x72, 0x74, 0x5f, 0x73, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x5f, 0x63, 0x6f,
-	0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x08, 0x67, 0x72, 0x70, 0x63,
-	0x2e, 0x67, 0x63, 0x70, 0x22, 0xea, 0x01, 0x0a, 0x13, 0x52, 0x70, 0x63, 0x50, 0x72, 0x6f, 0x74,
-	0x6f, 0x63, 0x6f, 0x6c, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x73, 0x12, 0x4d, 0x0a, 0x0f,
-	0x6d, 0x61, 0x78, 0x5f, 0x72, 0x70, 0x63, 0x5f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18,
-	0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x25, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x67, 0x63, 0x70,
-	0x2e, 0x52, 0x70, 0x63, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x56, 0x65, 0x72, 0x73,
-	0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x52, 0x0d, 0x6d, 0x61,
-	0x78, 0x52, 0x70, 0x63, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x4d, 0x0a, 0x0f, 0x6d,
-	0x69, 0x6e, 0x5f, 0x72, 0x70, 0x63, 0x5f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x02,
-	0x20, 0x01, 0x28, 0x0b, 0x32, 0x25, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x67, 0x63, 0x70, 0x2e,
-	0x52, 0x70, 0x63, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x56, 0x65, 0x72, 0x73, 0x69,
-	0x6f, 0x6e, 0x73, 0x2e, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x52, 0x0d, 0x6d, 0x69, 0x6e,
-	0x52, 0x70, 0x63, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x1a, 0x35, 0x0a, 0x07, 0x56, 0x65,
-	0x72, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x14, 0x0a, 0x05, 0x6d, 0x61, 0x6a, 0x6f, 0x72, 0x18, 0x01,
-	0x20, 0x01, 0x28, 0x0d, 0x52, 0x05, 0x6d, 0x61, 0x6a, 0x6f, 0x72, 0x12, 0x14, 0x0a, 0x05, 0x6d,
-	0x69, 0x6e, 0x6f, 0x72, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x05, 0x6d, 0x69, 0x6e, 0x6f,
-	0x72, 0x2a, 0x51, 0x0a, 0x0d, 0x53, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x4c, 0x65, 0x76,
-	0x65, 0x6c, 0x12, 0x11, 0x0a, 0x0d, 0x53, 0x45, 0x43, 0x55, 0x52, 0x49, 0x54, 0x59, 0x5f, 0x4e,
-	0x4f, 0x4e, 0x45, 0x10, 0x00, 0x12, 0x12, 0x0a, 0x0e, 0x49, 0x4e, 0x54, 0x45, 0x47, 0x52, 0x49,
-	0x54, 0x59, 0x5f, 0x4f, 0x4e, 0x4c, 0x59, 0x10, 0x01, 0x12, 0x19, 0x0a, 0x15, 0x49, 0x4e, 0x54,
-	0x45, 0x47, 0x52, 0x49, 0x54, 0x59, 0x5f, 0x41, 0x4e, 0x44, 0x5f, 0x50, 0x52, 0x49, 0x56, 0x41,
-	0x43, 0x59, 0x10, 0x02, 0x42, 0x78, 0x0a, 0x15, 0x69, 0x6f, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e,
-	0x61, 0x6c, 0x74, 0x73, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x42, 0x1c, 0x54,
-	0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x53, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79,
-	0x43, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x3f, 0x67,
-	0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x67, 0x6f, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x6f, 0x72, 0x67,
-	0x2f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x63, 0x72, 0x65, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x61, 0x6c,
-	0x73, 0x2f, 0x61, 0x6c, 0x74, 0x73, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f,
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-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-}
+const file_grpc_gcp_transport_security_common_proto_rawDesc = "" +
+	"\n" +
+	"(grpc/gcp/transport_security_common.proto\x12\bgrpc.gcp\"\xea\x01\n" +
+	"\x13RpcProtocolVersions\x12M\n" +
+	"\x0fmax_rpc_version\x18\x01 \x01(\v2%.grpc.gcp.RpcProtocolVersions.VersionR\rmaxRpcVersion\x12M\n" +
+	"\x0fmin_rpc_version\x18\x02 \x01(\v2%.grpc.gcp.RpcProtocolVersions.VersionR\rminRpcVersion\x1a5\n" +
+	"\aVersion\x12\x14\n" +
+	"\x05major\x18\x01 \x01(\rR\x05major\x12\x14\n" +
+	"\x05minor\x18\x02 \x01(\rR\x05minor\"M\n" +
+	"\x1cTransportProtocolPreferences\x12-\n" +
+	"\x12transport_protocol\x18\x01 \x03(\tR\x11transportProtocol\"L\n" +
+	"\x1bNegotiatedTransportProtocol\x12-\n" +
+	"\x12transport_protocol\x18\x01 \x01(\tR\x11transportProtocol*Q\n" +
+	"\rSecurityLevel\x12\x11\n" +
+	"\rSECURITY_NONE\x10\x00\x12\x12\n" +
+	"\x0eINTEGRITY_ONLY\x10\x01\x12\x19\n" +
+	"\x15INTEGRITY_AND_PRIVACY\x10\x02Bx\n" +
+	"\x15io.grpc.alts.internalB\x1cTransportSecurityCommonProtoP\x01Z?google.golang.org/grpc/credentials/alts/internal/proto/grpc_gcpb\x06proto3"
 
 var (
 	file_grpc_gcp_transport_security_common_proto_rawDescOnce sync.Once
-	file_grpc_gcp_transport_security_common_proto_rawDescData = file_grpc_gcp_transport_security_common_proto_rawDesc
+	file_grpc_gcp_transport_security_common_proto_rawDescData []byte
 )
 
 func file_grpc_gcp_transport_security_common_proto_rawDescGZIP() []byte {
 	file_grpc_gcp_transport_security_common_proto_rawDescOnce.Do(func() {
-		file_grpc_gcp_transport_security_common_proto_rawDescData = protoimpl.X.CompressGZIP(file_grpc_gcp_transport_security_common_proto_rawDescData)
+		file_grpc_gcp_transport_security_common_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_grpc_gcp_transport_security_common_proto_rawDesc), len(file_grpc_gcp_transport_security_common_proto_rawDesc)))
 	})
 	return file_grpc_gcp_transport_security_common_proto_rawDescData
 }
 
 var file_grpc_gcp_transport_security_common_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_grpc_gcp_transport_security_common_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
-var file_grpc_gcp_transport_security_common_proto_goTypes = []interface{}{
-	(SecurityLevel)(0),                  // 0: grpc.gcp.SecurityLevel
-	(*RpcProtocolVersions)(nil),         // 1: grpc.gcp.RpcProtocolVersions
-	(*RpcProtocolVersions_Version)(nil), // 2: grpc.gcp.RpcProtocolVersions.Version
+var file_grpc_gcp_transport_security_common_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_grpc_gcp_transport_security_common_proto_goTypes = []any{
+	(SecurityLevel)(0),                   // 0: grpc.gcp.SecurityLevel
+	(*RpcProtocolVersions)(nil),          // 1: grpc.gcp.RpcProtocolVersions
+	(*TransportProtocolPreferences)(nil), // 2: grpc.gcp.TransportProtocolPreferences
+	(*NegotiatedTransportProtocol)(nil),  // 3: grpc.gcp.NegotiatedTransportProtocol
+	(*RpcProtocolVersions_Version)(nil),  // 4: grpc.gcp.RpcProtocolVersions.Version
 }
 var file_grpc_gcp_transport_security_common_proto_depIdxs = []int32{
-	2, // 0: grpc.gcp.RpcProtocolVersions.max_rpc_version:type_name -> grpc.gcp.RpcProtocolVersions.Version
-	2, // 1: grpc.gcp.RpcProtocolVersions.min_rpc_version:type_name -> grpc.gcp.RpcProtocolVersions.Version
+	4, // 0: grpc.gcp.RpcProtocolVersions.max_rpc_version:type_name -> grpc.gcp.RpcProtocolVersions.Version
+	4, // 1: grpc.gcp.RpcProtocolVersions.min_rpc_version:type_name -> grpc.gcp.RpcProtocolVersions.Version
 	2, // [2:2] is the sub-list for method output_type
 	2, // [2:2] is the sub-list for method input_type
 	2, // [2:2] is the sub-list for extension type_name
@@ -273,39 +345,13 @@ func file_grpc_gcp_transport_security_common_proto_init() {
 	if File_grpc_gcp_transport_security_common_proto != nil {
 		return
 	}
-	if !protoimpl.UnsafeEnabled {
-		file_grpc_gcp_transport_security_common_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RpcProtocolVersions); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_grpc_gcp_transport_security_common_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RpcProtocolVersions_Version); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_grpc_gcp_transport_security_common_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_grpc_gcp_transport_security_common_proto_rawDesc), len(file_grpc_gcp_transport_security_common_proto_rawDesc)),
 			NumEnums:      1,
-			NumMessages:   2,
+			NumMessages:   4,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
@@ -315,7 +361,6 @@ func file_grpc_gcp_transport_security_common_proto_init() {
 		MessageInfos:      file_grpc_gcp_transport_security_common_proto_msgTypes,
 	}.Build()
 	File_grpc_gcp_transport_security_common_proto = out.File
-	file_grpc_gcp_transport_security_common_proto_rawDesc = nil
 	file_grpc_gcp_transport_security_common_proto_goTypes = nil
 	file_grpc_gcp_transport_security_common_proto_depIdxs = nil
 }
diff --git a/vendor/google.golang.org/grpc/credentials/credentials.go b/vendor/google.golang.org/grpc/credentials/credentials.go
index 665e790b..06f6c6c7 100644
--- a/vendor/google.golang.org/grpc/credentials/credentials.go
+++ b/vendor/google.golang.org/grpc/credentials/credentials.go
@@ -44,8 +44,7 @@ type PerRPCCredentials interface {
 	// A54). uri is the URI of the entry point for the request.  When supported
 	// by the underlying implementation, ctx can be used for timeout and
 	// cancellation. Additionally, RequestInfo data will be available via ctx
-	// to this call.  TODO(zhaoq): Define the set of the qualified keys instead
-	// of leaving it as an arbitrary string.
+	// to this call.
 	GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error)
 	// RequireTransportSecurity indicates whether the credentials requires
 	// transport security.
@@ -96,10 +95,11 @@ func (c CommonAuthInfo) GetCommonAuthInfo() CommonAuthInfo {
 	return c
 }
 
-// ProtocolInfo provides information regarding the gRPC wire protocol version,
-// security protocol, security protocol version in use, server name, etc.
+// ProtocolInfo provides static information regarding transport credentials.
 type ProtocolInfo struct {
 	// ProtocolVersion is the gRPC wire protocol version.
+	//
+	// Deprecated: this is unused by gRPC.
 	ProtocolVersion string
 	// SecurityProtocol is the security protocol in use.
 	SecurityProtocol string
@@ -109,7 +109,16 @@ type ProtocolInfo struct {
 	//
 	// Deprecated: please use Peer.AuthInfo.
 	SecurityVersion string
-	// ServerName is the user-configured server name.
+	// ServerName is the user-configured server name.  If set, this overrides
+	// the default :authority header used for all RPCs on the channel using the
+	// containing credentials, unless grpc.WithAuthority is set on the channel,
+	// in which case that setting will take precedence.
+	//
+	// This must be a valid `:authority` header according to
+	// [RFC3986](https://datatracker.ietf.org/doc/html/rfc3986#section-3.2).
+	//
+	// Deprecated: Users should use grpc.WithAuthority to override the authority
+	// on a channel instead of configuring the credentials.
 	ServerName string
 }
 
@@ -120,6 +129,20 @@ type AuthInfo interface {
 	AuthType() string
 }
 
+// AuthorityValidator validates the authority used to override the `:authority`
+// header. This is an optional interface that implementations of AuthInfo can
+// implement if they support per-RPC authority overrides. It is invoked when the
+// application attempts to override the HTTP/2 `:authority` header using the
+// CallAuthority call option.
+type AuthorityValidator interface {
+	// ValidateAuthority checks the authority value used to override the
+	// `:authority` header. The authority parameter is the override value
+	// provided by the application via the CallAuthority option. This value
+	// typically corresponds to the server hostname or endpoint the RPC is
+	// targeting. It returns non-nil error if the validation fails.
+	ValidateAuthority(authority string) error
+}
+
 // ErrConnDispatched indicates that rawConn has been dispatched out of gRPC
 // and the caller should not close rawConn.
 var ErrConnDispatched = errors.New("credentials: rawConn is dispatched out of gRPC")
@@ -159,12 +182,17 @@ type TransportCredentials interface {
 	// Clone makes a copy of this TransportCredentials.
 	Clone() TransportCredentials
 	// OverrideServerName specifies the value used for the following:
+	//
 	// - verifying the hostname on the returned certificates
 	// - as SNI in the client's handshake to support virtual hosting
 	// - as the value for `:authority` header at stream creation time
 	//
-	// Deprecated: use grpc.WithAuthority instead. Will be supported
-	// throughout 1.x.
+	// The provided string should be a valid `:authority` header according to
+	// [RFC3986](https://datatracker.ietf.org/doc/html/rfc3986#section-3.2).
+	//
+	// Deprecated: this method is unused by gRPC.  Users should use
+	// grpc.WithAuthority to override the authority on a channel instead of
+	// configuring the credentials.
 	OverrideServerName(string) error
 }
 
@@ -207,14 +235,32 @@ type RequestInfo struct {
 	AuthInfo AuthInfo
 }
 
+// requestInfoKey is a struct to be used as the key to store RequestInfo in a
+// context.
+type requestInfoKey struct{}
+
 // RequestInfoFromContext extracts the RequestInfo from the context if it exists.
 //
 // This API is experimental.
 func RequestInfoFromContext(ctx context.Context) (ri RequestInfo, ok bool) {
-	ri, ok = icredentials.RequestInfoFromContext(ctx).(RequestInfo)
+	ri, ok = ctx.Value(requestInfoKey{}).(RequestInfo)
 	return ri, ok
 }
 
+// NewContextWithRequestInfo creates a new context from ctx and attaches ri to it.
+//
+// This RequestInfo will be accessible via RequestInfoFromContext.
+//
+// Intended to be used from tests for PerRPCCredentials implementations (that
+// often need to check connection's SecurityLevel). Should not be used from
+// non-test code: the gRPC client already prepares a context with the correct
+// RequestInfo attached when calling PerRPCCredentials.GetRequestMetadata.
+//
+// This API is experimental.
+func NewContextWithRequestInfo(ctx context.Context, ri RequestInfo) context.Context {
+	return context.WithValue(ctx, requestInfoKey{}, ri)
+}
+
 // ClientHandshakeInfo holds data to be passed to ClientHandshake. This makes
 // it possible to pass arbitrary data to the handshaker from gRPC, resolver,
 // balancer etc. Individual credential implementations control the actual
diff --git a/vendor/google.golang.org/grpc/credentials/google/google.go b/vendor/google.golang.org/grpc/credentials/google/google.go
index fbdf7dc2..5a9c9461 100644
--- a/vendor/google.golang.org/grpc/credentials/google/google.go
+++ b/vendor/google.golang.org/grpc/credentials/google/google.go
@@ -22,7 +22,6 @@ package google
 import (
 	"context"
 	"fmt"
-	"time"
 
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/credentials/alts"
@@ -31,7 +30,7 @@ import (
 	"google.golang.org/grpc/internal"
 )
 
-const tokenRequestTimeout = 30 * time.Second
+const defaultCloudPlatformScope = "https://www.googleapis.com/auth/cloud-platform"
 
 var logger = grpclog.Component("credentials")
 
@@ -39,6 +38,9 @@ var logger = grpclog.Component("credentials")
 type DefaultCredentialsOptions struct {
 	// PerRPCCreds is a per RPC credentials that is passed to a bundle.
 	PerRPCCreds credentials.PerRPCCredentials
+	// ALTSPerRPCCreds is a per RPC credentials that, if specified, will
+	// supercede PerRPCCreds above for and only for ALTS connections.
+	ALTSPerRPCCreds credentials.PerRPCCredentials
 }
 
 // NewDefaultCredentialsWithOptions returns a credentials bundle that is
@@ -47,14 +49,21 @@ type DefaultCredentialsOptions struct {
 // This API is experimental.
 func NewDefaultCredentialsWithOptions(opts DefaultCredentialsOptions) credentials.Bundle {
 	if opts.PerRPCCreds == nil {
-		ctx, cancel := context.WithTimeout(context.Background(), tokenRequestTimeout)
-		defer cancel()
 		var err error
-		opts.PerRPCCreds, err = newADC(ctx)
+		// If the ADC ends up being Compute Engine Credentials, this context
+		// won't be used. Otherwise, the context dictates all the subsequent
+		// token requests via HTTP. So we cannot have any deadline or timeout.
+		opts.PerRPCCreds, err = newADC(context.TODO())
 		if err != nil {
 			logger.Warningf("NewDefaultCredentialsWithOptions: failed to create application oauth: %v", err)
 		}
 	}
+	if opts.ALTSPerRPCCreds != nil {
+		opts.PerRPCCreds = &dualPerRPCCreds{
+			perRPCCreds:     opts.PerRPCCreds,
+			altsPerRPCCreds: opts.ALTSPerRPCCreds,
+		}
+	}
 	c := &creds{opts: opts}
 	bundle, err := c.NewWithMode(internal.CredsBundleModeFallback)
 	if err != nil {
@@ -113,7 +122,7 @@ var (
 		return alts.NewClientCreds(alts.DefaultClientOptions())
 	}
 	newADC = func(ctx context.Context) (credentials.PerRPCCredentials, error) {
-		return oauth.NewApplicationDefault(ctx)
+		return oauth.NewApplicationDefault(ctx, defaultCloudPlatformScope)
 	}
 )
 
@@ -143,3 +152,27 @@ func (c *creds) NewWithMode(mode string) (credentials.Bundle, error) {
 
 	return newCreds, nil
 }
+
+// dualPerRPCCreds implements credentials.PerRPCCredentials by embedding the
+// fallback PerRPCCredentials and the ALTS one. It pickes one of them based on
+// the channel type.
+type dualPerRPCCreds struct {
+	perRPCCreds     credentials.PerRPCCredentials
+	altsPerRPCCreds credentials.PerRPCCredentials
+}
+
+func (d *dualPerRPCCreds) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
+	ri, ok := credentials.RequestInfoFromContext(ctx)
+	if !ok {
+		return nil, fmt.Errorf("request info not found from context")
+	}
+	if authType := ri.AuthInfo.AuthType(); authType == "alts" {
+		return d.altsPerRPCCreds.GetRequestMetadata(ctx, uri...)
+	}
+	// This ensures backward compatibility even if authType is not "tls".
+	return d.perRPCCreds.GetRequestMetadata(ctx, uri...)
+}
+
+func (d *dualPerRPCCreds) RequireTransportSecurity() bool {
+	return d.altsPerRPCCreds.RequireTransportSecurity() || d.perRPCCreds.RequireTransportSecurity()
+}
diff --git a/vendor/google.golang.org/grpc/credentials/insecure/insecure.go b/vendor/google.golang.org/grpc/credentials/insecure/insecure.go
index 82bee144..93156c0f 100644
--- a/vendor/google.golang.org/grpc/credentials/insecure/insecure.go
+++ b/vendor/google.golang.org/grpc/credentials/insecure/insecure.go
@@ -30,7 +30,7 @@ import (
 // NewCredentials returns a credentials which disables transport security.
 //
 // Note that using this credentials with per-RPC credentials which require
-// transport security is incompatible and will cause grpc.Dial() to fail.
+// transport security is incompatible and will cause RPCs to fail.
 func NewCredentials() credentials.TransportCredentials {
 	return insecureTC{}
 }
@@ -40,7 +40,7 @@ func NewCredentials() credentials.TransportCredentials {
 // NoSecurity.
 type insecureTC struct{}
 
-func (insecureTC) ClientHandshake(ctx context.Context, _ string, conn net.Conn) (net.Conn, credentials.AuthInfo, error) {
+func (insecureTC) ClientHandshake(_ context.Context, _ string, conn net.Conn) (net.Conn, credentials.AuthInfo, error) {
 	return conn, info{credentials.CommonAuthInfo{SecurityLevel: credentials.NoSecurity}}, nil
 }
 
@@ -71,6 +71,12 @@ func (info) AuthType() string {
 	return "insecure"
 }
 
+// ValidateAuthority allows any value to be overridden for the :authority
+// header.
+func (info) ValidateAuthority(string) error {
+	return nil
+}
+
 // insecureBundle implements an insecure bundle.
 // An insecure bundle provides a thin wrapper around insecureTC to support
 // the credentials.Bundle interface.
diff --git a/vendor/google.golang.org/grpc/credentials/oauth/oauth.go b/vendor/google.golang.org/grpc/credentials/oauth/oauth.go
index d475cbc0..328b838e 100644
--- a/vendor/google.golang.org/grpc/credentials/oauth/oauth.go
+++ b/vendor/google.golang.org/grpc/credentials/oauth/oauth.go
@@ -38,7 +38,7 @@ type TokenSource struct {
 }
 
 // GetRequestMetadata gets the request metadata as a map from a TokenSource.
-func (ts TokenSource) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
+func (ts TokenSource) GetRequestMetadata(ctx context.Context, _ ...string) (map[string]string, error) {
 	token, err := ts.Token()
 	if err != nil {
 		return nil, err
@@ -127,7 +127,7 @@ func NewOauthAccess(token *oauth2.Token) credentials.PerRPCCredentials {
 	return oauthAccess{token: *token}
 }
 
-func (oa oauthAccess) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
+func (oa oauthAccess) GetRequestMetadata(ctx context.Context, _ ...string) (map[string]string, error) {
 	ri, _ := credentials.RequestInfoFromContext(ctx)
 	if err := credentials.CheckSecurityLevel(ri.AuthInfo, credentials.PrivacyAndIntegrity); err != nil {
 		return nil, fmt.Errorf("unable to transfer oauthAccess PerRPCCredentials: %v", err)
@@ -156,7 +156,7 @@ type serviceAccount struct {
 	t      *oauth2.Token
 }
 
-func (s *serviceAccount) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
+func (s *serviceAccount) GetRequestMetadata(ctx context.Context, _ ...string) (map[string]string, error) {
 	s.mu.Lock()
 	defer s.mu.Unlock()
 	if !s.t.Valid() {
diff --git a/vendor/google.golang.org/grpc/credentials/tls.go b/vendor/google.golang.org/grpc/credentials/tls.go
index 41143585..0bcd16db 100644
--- a/vendor/google.golang.org/grpc/credentials/tls.go
+++ b/vendor/google.golang.org/grpc/credentials/tls.go
@@ -22,6 +22,7 @@ import (
 	"context"
 	"crypto/tls"
 	"crypto/x509"
+	"errors"
 	"fmt"
 	"net"
 	"net/url"
@@ -32,6 +33,8 @@ import (
 	"google.golang.org/grpc/internal/envconfig"
 )
 
+const alpnFailureHelpMessage = "If you upgraded from a grpc-go version earlier than 1.67, your TLS connections may have stopped working due to ALPN enforcement. For more details, see: https://github.com/grpc/grpc-go/issues/434"
+
 var logger = grpclog.Component("credentials")
 
 // TLSInfo contains the auth information for a TLS authenticated connection.
@@ -48,6 +51,25 @@ func (t TLSInfo) AuthType() string {
 	return "tls"
 }
 
+// ValidateAuthority validates the provided authority being used to override the
+// :authority header by verifying it against the peer certificates. It returns a
+// non-nil error if the validation fails.
+func (t TLSInfo) ValidateAuthority(authority string) error {
+	var errs []error
+	host, _, err := net.SplitHostPort(authority)
+	if err != nil {
+		host = authority
+	}
+	for _, cert := range t.State.PeerCertificates {
+		var err error
+		if err = cert.VerifyHostname(host); err == nil {
+			return nil
+		}
+		errs = append(errs, err)
+	}
+	return fmt.Errorf("credentials: invalid authority %q: %v", authority, errors.Join(errs...))
+}
+
 // cipherSuiteLookup returns the string version of a TLS cipher suite ID.
 func cipherSuiteLookup(cipherSuiteID uint16) string {
 	for _, s := range tls.CipherSuites() {
@@ -92,14 +114,14 @@ func (c tlsCreds) Info() ProtocolInfo {
 func (c *tlsCreds) ClientHandshake(ctx context.Context, authority string, rawConn net.Conn) (_ net.Conn, _ AuthInfo, err error) {
 	// use local cfg to avoid clobbering ServerName if using multiple endpoints
 	cfg := credinternal.CloneTLSConfig(c.config)
-	if cfg.ServerName == "" {
-		serverName, _, err := net.SplitHostPort(authority)
-		if err != nil {
-			// If the authority had no host port or if the authority cannot be parsed, use it as-is.
-			serverName = authority
-		}
-		cfg.ServerName = serverName
+
+	serverName, _, err := net.SplitHostPort(authority)
+	if err != nil {
+		// If the authority had no host port or if the authority cannot be parsed, use it as-is.
+		serverName = authority
 	}
+	cfg.ServerName = serverName
+
 	conn := tls.Client(rawConn, cfg)
 	errChannel := make(chan error, 1)
 	go func() {
@@ -128,7 +150,7 @@ func (c *tlsCreds) ClientHandshake(ctx context.Context, authority string, rawCon
 	if np == "" {
 		if envconfig.EnforceALPNEnabled {
 			conn.Close()
-			return nil, nil, fmt.Errorf("credentials: cannot check peer: missing selected ALPN property")
+			return nil, nil, fmt.Errorf("credentials: cannot check peer: missing selected ALPN property. %s", alpnFailureHelpMessage)
 		}
 		logger.Warningf("Allowing TLS connection to server %q with ALPN disabled. TLS connections to servers with ALPN disabled will be disallowed in future grpc-go releases", cfg.ServerName)
 	}
@@ -158,7 +180,7 @@ func (c *tlsCreds) ServerHandshake(rawConn net.Conn) (net.Conn, AuthInfo, error)
 	if cs.NegotiatedProtocol == "" {
 		if envconfig.EnforceALPNEnabled {
 			conn.Close()
-			return nil, nil, fmt.Errorf("credentials: cannot check peer: missing selected ALPN property")
+			return nil, nil, fmt.Errorf("credentials: cannot check peer: missing selected ALPN property. %s", alpnFailureHelpMessage)
 		} else if logger.V(2) {
 			logger.Info("Allowing TLS connection from client with ALPN disabled. TLS connections with ALPN disabled will be disallowed in future grpc-go releases")
 		}
@@ -200,25 +222,40 @@ var tls12ForbiddenCipherSuites = map[uint16]struct{}{
 
 // NewTLS uses c to construct a TransportCredentials based on TLS.
 func NewTLS(c *tls.Config) TransportCredentials {
-	tc := &tlsCreds{credinternal.CloneTLSConfig(c)}
-	tc.config.NextProtos = credinternal.AppendH2ToNextProtos(tc.config.NextProtos)
+	config := applyDefaults(c)
+	if config.GetConfigForClient != nil {
+		oldFn := config.GetConfigForClient
+		config.GetConfigForClient = func(hello *tls.ClientHelloInfo) (*tls.Config, error) {
+			cfgForClient, err := oldFn(hello)
+			if err != nil || cfgForClient == nil {
+				return cfgForClient, err
+			}
+			return applyDefaults(cfgForClient), nil
+		}
+	}
+	return &tlsCreds{config: config}
+}
+
+func applyDefaults(c *tls.Config) *tls.Config {
+	config := credinternal.CloneTLSConfig(c)
+	config.NextProtos = credinternal.AppendH2ToNextProtos(config.NextProtos)
 	// If the user did not configure a MinVersion and did not configure a
 	// MaxVersion < 1.2, use MinVersion=1.2, which is required by
 	// https://datatracker.ietf.org/doc/html/rfc7540#section-9.2
-	if tc.config.MinVersion == 0 && (tc.config.MaxVersion == 0 || tc.config.MaxVersion >= tls.VersionTLS12) {
-		tc.config.MinVersion = tls.VersionTLS12
+	if config.MinVersion == 0 && (config.MaxVersion == 0 || config.MaxVersion >= tls.VersionTLS12) {
+		config.MinVersion = tls.VersionTLS12
 	}
 	// If the user did not configure CipherSuites, use all "secure" cipher
 	// suites reported by the TLS package, but remove some explicitly forbidden
 	// by https://datatracker.ietf.org/doc/html/rfc7540#appendix-A
-	if tc.config.CipherSuites == nil {
+	if config.CipherSuites == nil {
 		for _, cs := range tls.CipherSuites() {
 			if _, ok := tls12ForbiddenCipherSuites[cs.ID]; !ok {
-				tc.config.CipherSuites = append(tc.config.CipherSuites, cs.ID)
+				config.CipherSuites = append(config.CipherSuites, cs.ID)
 			}
 		}
 	}
-	return tc
+	return config
 }
 
 // NewClientTLSFromCert constructs TLS credentials from the provided root
@@ -226,9 +263,11 @@ func NewTLS(c *tls.Config) TransportCredentials {
 // certificates to establish the identity of the client need to be included in
 // the credentials (eg: for mTLS), use NewTLS instead, where a complete
 // tls.Config can be specified.
-// serverNameOverride is for testing only. If set to a non empty string,
-// it will override the virtual host name of authority (e.g. :authority header
-// field) in requests.
+//
+// serverNameOverride is for testing only. If set to a non empty string, it will
+// override the virtual host name of authority (e.g. :authority header field) in
+// requests.  Users should use grpc.WithAuthority passed to grpc.NewClient to
+// override the authority of the client instead.
 func NewClientTLSFromCert(cp *x509.CertPool, serverNameOverride string) TransportCredentials {
 	return NewTLS(&tls.Config{ServerName: serverNameOverride, RootCAs: cp})
 }
@@ -238,9 +277,11 @@ func NewClientTLSFromCert(cp *x509.CertPool, serverNameOverride string) Transpor
 // certificates to establish the identity of the client need to be included in
 // the credentials (eg: for mTLS), use NewTLS instead, where a complete
 // tls.Config can be specified.
-// serverNameOverride is for testing only. If set to a non empty string,
-// it will override the virtual host name of authority (e.g. :authority header
-// field) in requests.
+//
+// serverNameOverride is for testing only. If set to a non empty string, it will
+// override the virtual host name of authority (e.g. :authority header field) in
+// requests.  Users should use grpc.WithAuthority passed to grpc.NewClient to
+// override the authority of the client instead.
 func NewClientTLSFromFile(certFile, serverNameOverride string) (TransportCredentials, error) {
 	b, err := os.ReadFile(certFile)
 	if err != nil {
diff --git a/vendor/google.golang.org/grpc/dialoptions.go b/vendor/google.golang.org/grpc/dialoptions.go
index 27c1b9bb..7a5ac2e7 100644
--- a/vendor/google.golang.org/grpc/dialoptions.go
+++ b/vendor/google.golang.org/grpc/dialoptions.go
@@ -73,7 +73,7 @@ type dialOptions struct {
 	chainUnaryInts  []UnaryClientInterceptor
 	chainStreamInts []StreamClientInterceptor
 
-	cp                          Compressor
+	compressorV0                Compressor
 	dc                          Decompressor
 	bs                          internalbackoff.Strategy
 	block                       bool
@@ -87,7 +87,6 @@ type dialOptions struct {
 	disableServiceConfig        bool
 	disableRetry                bool
 	disableHealthCheck          bool
-	healthCheckFunc             internal.HealthChecker
 	minConnectTimeout           func() time.Duration
 	defaultServiceConfig        *ServiceConfig // defaultServiceConfig is parsed from defaultServiceConfigRawJSON.
 	defaultServiceConfigRawJSON *string
@@ -95,6 +94,8 @@ type dialOptions struct {
 	idleTimeout                 time.Duration
 	defaultScheme               string
 	maxCallAttempts             int
+	enableLocalDNSResolution    bool // Specifies if target hostnames should be resolved when proxying is enabled.
+	useProxy                    bool // Specifies if a server should be connected via proxy.
 }
 
 // DialOption configures how we set up the connection.
@@ -212,6 +213,7 @@ func WithReadBufferSize(s int) DialOption {
 func WithInitialWindowSize(s int32) DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
 		o.copts.InitialWindowSize = s
+		o.copts.StaticWindowSize = true
 	})
 }
 
@@ -221,6 +223,26 @@ func WithInitialWindowSize(s int32) DialOption {
 func WithInitialConnWindowSize(s int32) DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
 		o.copts.InitialConnWindowSize = s
+		o.copts.StaticWindowSize = true
+	})
+}
+
+// WithStaticStreamWindowSize returns a DialOption which sets the initial
+// stream window size to the value provided and disables dynamic flow control.
+func WithStaticStreamWindowSize(s int32) DialOption {
+	return newFuncDialOption(func(o *dialOptions) {
+		o.copts.InitialWindowSize = s
+		o.copts.StaticWindowSize = true
+	})
+}
+
+// WithStaticConnWindowSize returns a DialOption which sets the initial
+// connection window size to the value provided and disables dynamic flow
+// control.
+func WithStaticConnWindowSize(s int32) DialOption {
+	return newFuncDialOption(func(o *dialOptions) {
+		o.copts.InitialConnWindowSize = s
+		o.copts.StaticWindowSize = true
 	})
 }
 
@@ -257,7 +279,7 @@ func WithCodec(c Codec) DialOption {
 // Deprecated: use UseCompressor instead.  Will be supported throughout 1.x.
 func WithCompressor(cp Compressor) DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
-		o.cp = cp
+		o.compressorV0 = cp
 	})
 }
 
@@ -359,7 +381,7 @@ func WithReturnConnectionError() DialOption {
 //
 // Note that using this DialOption with per-RPC credentials (through
 // WithCredentialsBundle or WithPerRPCCredentials) which require transport
-// security is incompatible and will cause grpc.Dial() to fail.
+// security is incompatible and will cause RPCs to fail.
 //
 // Deprecated: use WithTransportCredentials and insecure.NewCredentials()
 // instead. Will be supported throughout 1.x.
@@ -378,7 +400,22 @@ func WithInsecure() DialOption {
 // later release.
 func WithNoProxy() DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
-		o.copts.UseProxy = false
+		o.useProxy = false
+	})
+}
+
+// WithLocalDNSResolution forces local DNS name resolution even when a proxy is
+// specified in the environment.  By default, the server name is provided
+// directly to the proxy as part of the CONNECT handshake. This is ignored if
+// WithNoProxy is used.
+//
+// # Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
+func WithLocalDNSResolution() DialOption {
+	return newFuncDialOption(func(o *dialOptions) {
+		o.enableLocalDNSResolution = true
 	})
 }
 
@@ -429,6 +466,11 @@ func WithTimeout(d time.Duration) DialOption {
 // returned by f, gRPC checks the error's Temporary() method to decide if it
 // should try to reconnect to the network address.
 //
+// Note that gRPC by default performs name resolution on the target passed to
+// NewClient. To bypass name resolution and cause the target string to be
+// passed directly to the dialer here instead, use the "passthrough" resolver
+// by specifying it in the target string, e.g. "passthrough:target".
+//
 // Note: All supported releases of Go (as of December 2023) override the OS
 // defaults for TCP keepalive time and interval to 15s. To enable TCP keepalive
 // with OS defaults for keepalive time and interval, use a net.Dialer that sets
@@ -436,7 +478,7 @@ func WithTimeout(d time.Duration) DialOption {
 // option to true from the Control field. For a concrete example of how to do
 // this, see internal.NetDialerWithTCPKeepalive().
 //
-// For more information, please see [issue 23459] in the Go github repo.
+// For more information, please see [issue 23459] in the Go GitHub repo.
 //
 // [issue 23459]: https://github.com/golang/go/issues/23459
 func WithContextDialer(f func(context.Context, string) (net.Conn, error)) DialOption {
@@ -445,10 +487,6 @@ func WithContextDialer(f func(context.Context, string) (net.Conn, error)) DialOp
 	})
 }
 
-func init() {
-	internal.WithHealthCheckFunc = withHealthCheckFunc
-}
-
 // WithDialer returns a DialOption that specifies a function to use for dialing
 // network addresses. If FailOnNonTempDialError() is set to true, and an error
 // is returned by f, gRPC checks the error's Temporary() method to decide if it
@@ -518,6 +556,8 @@ func WithUserAgent(s string) DialOption {
 
 // WithKeepaliveParams returns a DialOption that specifies keepalive parameters
 // for the client transport.
+//
+// Keepalive is disabled by default.
 func WithKeepaliveParams(kp keepalive.ClientParameters) DialOption {
 	if kp.Time < internal.KeepaliveMinPingTime {
 		logger.Warningf("Adjusting keepalive ping interval to minimum period of %v", internal.KeepaliveMinPingTime)
@@ -568,6 +608,8 @@ func WithChainStreamInterceptor(interceptors ...StreamClientInterceptor) DialOpt
 
 // WithAuthority returns a DialOption that specifies the value to be used as the
 // :authority pseudo-header and as the server name in authentication handshake.
+// This overrides all other ways of setting authority on the channel, but can be
+// overridden per-call by using grpc.CallAuthority.
 func WithAuthority(a string) DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
 		o.authority = a
@@ -660,30 +702,20 @@ func WithDisableHealthCheck() DialOption {
 	})
 }
 
-// withHealthCheckFunc replaces the default health check function with the
-// provided one. It makes tests easier to change the health check function.
-//
-// For testing purpose only.
-func withHealthCheckFunc(f internal.HealthChecker) DialOption {
-	return newFuncDialOption(func(o *dialOptions) {
-		o.healthCheckFunc = f
-	})
-}
-
 func defaultDialOptions() dialOptions {
 	return dialOptions{
 		copts: transport.ConnectOptions{
 			ReadBufferSize:  defaultReadBufSize,
 			WriteBufferSize: defaultWriteBufSize,
-			UseProxy:        true,
 			UserAgent:       grpcUA,
 			BufferPool:      mem.DefaultBufferPool(),
 		},
-		bs:              internalbackoff.DefaultExponential,
-		healthCheckFunc: internal.HealthCheckFunc,
-		idleTimeout:     30 * time.Minute,
-		defaultScheme:   "dns",
-		maxCallAttempts: defaultMaxCallAttempts,
+		bs:                       internalbackoff.DefaultExponential,
+		idleTimeout:              30 * time.Minute,
+		defaultScheme:            "dns",
+		maxCallAttempts:          defaultMaxCallAttempts,
+		useProxy:                 true,
+		enableLocalDNSResolution: false,
 	}
 }
 
diff --git a/vendor/google.golang.org/grpc/encoding/encoding.go b/vendor/google.golang.org/grpc/encoding/encoding.go
index 11d0ae14..296f38c3 100644
--- a/vendor/google.golang.org/grpc/encoding/encoding.go
+++ b/vendor/google.golang.org/grpc/encoding/encoding.go
@@ -27,8 +27,10 @@ package encoding
 
 import (
 	"io"
+	"slices"
 	"strings"
 
+	"google.golang.org/grpc/encoding/internal"
 	"google.golang.org/grpc/internal/grpcutil"
 )
 
@@ -36,12 +38,26 @@ import (
 // It is intended for grpc internal use only.
 const Identity = "identity"
 
+func init() {
+	internal.RegisterCompressorForTesting = func(c Compressor) func() {
+		name := c.Name()
+		curCompressor, found := registeredCompressor[name]
+		RegisterCompressor(c)
+		return func() {
+			if found {
+				registeredCompressor[name] = curCompressor
+				return
+			}
+			delete(registeredCompressor, name)
+			grpcutil.RegisteredCompressorNames = slices.DeleteFunc(grpcutil.RegisteredCompressorNames, func(s string) bool {
+				return s == name
+			})
+		}
+	}
+}
+
 // Compressor is used for compressing and decompressing when sending or
 // receiving messages.
-//
-// If a Compressor implements `DecompressedSize(compressedBytes []byte) int`,
-// gRPC will invoke it to determine the size of the buffer allocated for the
-// result of decompression.  A return value of -1 indicates unknown size.
 type Compressor interface {
 	// Compress writes the data written to wc to w after compressing it.  If an
 	// error occurs while initializing the compressor, that error is returned
diff --git a/vendor/google.golang.org/grpc/encoding/gzip/gzip.go b/vendor/google.golang.org/grpc/encoding/gzip/gzip.go
index 6306e8bb..153e4dbf 100644
--- a/vendor/google.golang.org/grpc/encoding/gzip/gzip.go
+++ b/vendor/google.golang.org/grpc/encoding/gzip/gzip.go
@@ -27,7 +27,6 @@ package gzip
 
 import (
 	"compress/gzip"
-	"encoding/binary"
 	"fmt"
 	"io"
 	"sync"
@@ -111,17 +110,6 @@ func (z *reader) Read(p []byte) (n int, err error) {
 	return n, err
 }
 
-// RFC1952 specifies that the last four bytes "contains the size of
-// the original (uncompressed) input data modulo 2^32."
-// gRPC has a max message size of 2GB so we don't need to worry about wraparound.
-func (c *compressor) DecompressedSize(buf []byte) int {
-	last := len(buf)
-	if last < 4 {
-		return -1
-	}
-	return int(binary.LittleEndian.Uint32(buf[last-4 : last]))
-}
-
 func (c *compressor) Name() string {
 	return Name
 }
diff --git a/vendor/google.golang.org/grpc/internal/grpcsync/oncefunc.go b/vendor/google.golang.org/grpc/encoding/internal/internal.go
similarity index 52%
rename from vendor/google.golang.org/grpc/internal/grpcsync/oncefunc.go
rename to vendor/google.golang.org/grpc/encoding/internal/internal.go
index 6635f7bc..ee9acb43 100644
--- a/vendor/google.golang.org/grpc/internal/grpcsync/oncefunc.go
+++ b/vendor/google.golang.org/grpc/encoding/internal/internal.go
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2022 gRPC authors.
+ * Copyright 2025 gRPC authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,17 +16,13 @@
  *
  */
 
-package grpcsync
+// Package internal contains code internal to the encoding package.
+package internal
 
-import (
-	"sync"
-)
-
-// OnceFunc returns a function wrapping f which ensures f is only executed
-// once even if the returned function is executed multiple times.
-func OnceFunc(f func()) func() {
-	var once sync.Once
-	return func() {
-		once.Do(f)
-	}
-}
+// RegisterCompressorForTesting registers a compressor in the global compressor
+// registry. It returns a cleanup function that should be called at the end
+// of the test to unregister the compressor.
+//
+// This prevents compressors registered in one test from appearing in the
+// encoding headers of subsequent tests.
+var RegisterCompressorForTesting any // func RegisterCompressor(c Compressor) func()
diff --git a/vendor/google.golang.org/grpc/encoding/proto/proto.go b/vendor/google.golang.org/grpc/encoding/proto/proto.go
index ceec319d..1ab874c7 100644
--- a/vendor/google.golang.org/grpc/encoding/proto/proto.go
+++ b/vendor/google.golang.org/grpc/encoding/proto/proto.go
@@ -46,9 +46,25 @@ func (c *codecV2) Marshal(v any) (data mem.BufferSlice, err error) {
 		return nil, fmt.Errorf("proto: failed to marshal, message is %T, want proto.Message", v)
 	}
 
+	// Important: if we remove this Size call then we cannot use
+	// UseCachedSize in MarshalOptions below.
 	size := proto.Size(vv)
+
+	// MarshalOptions with UseCachedSize allows reusing the result from the
+	// previous Size call. This is safe here because:
+	//
+	// 1. We just computed the size.
+	// 2. We assume the message is not being mutated concurrently.
+	//
+	// Important: If the proto.Size call above is removed, using UseCachedSize
+	// becomes unsafe and may lead to incorrect marshaling.
+	//
+	// For more details, see the doc of UseCachedSize:
+	// https://pkg.go.dev/google.golang.org/protobuf/proto#MarshalOptions
+	marshalOptions := proto.MarshalOptions{UseCachedSize: true}
+
 	if mem.IsBelowBufferPoolingThreshold(size) {
-		buf, err := proto.Marshal(vv)
+		buf, err := marshalOptions.Marshal(vv)
 		if err != nil {
 			return nil, err
 		}
@@ -56,7 +72,7 @@ func (c *codecV2) Marshal(v any) (data mem.BufferSlice, err error) {
 	} else {
 		pool := mem.DefaultBufferPool()
 		buf := pool.Get(size)
-		if _, err := (proto.MarshalOptions{}).MarshalAppend((*buf)[:0], vv); err != nil {
+		if _, err := marshalOptions.MarshalAppend((*buf)[:0], vv); err != nil {
 			pool.Put(buf)
 			return nil, err
 		}
diff --git a/vendor/google.golang.org/grpc/experimental/stats/metricregistry.go b/vendor/google.golang.org/grpc/experimental/stats/metricregistry.go
index 1d827dd5..472813f5 100644
--- a/vendor/google.golang.org/grpc/experimental/stats/metricregistry.go
+++ b/vendor/google.golang.org/grpc/experimental/stats/metricregistry.go
@@ -23,6 +23,7 @@ import (
 
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal"
+	"google.golang.org/grpc/stats"
 )
 
 func init() {
@@ -34,7 +35,7 @@ var logger = grpclog.Component("metrics-registry")
 // DefaultMetrics are the default metrics registered through global metrics
 // registry. This is written to at initialization time only, and is read only
 // after initialization.
-var DefaultMetrics = NewMetrics()
+var DefaultMetrics = stats.NewMetricSet()
 
 // MetricDescriptor is the data for a registered metric.
 type MetricDescriptor struct {
@@ -42,7 +43,7 @@ type MetricDescriptor struct {
 	// (including any per call metrics). See
 	// https://github.com/grpc/proposal/blob/master/A79-non-per-call-metrics-architecture.md#metric-instrument-naming-conventions
 	// for metric naming conventions.
-	Name Metric
+	Name string
 	// The description of this metric.
 	Description string
 	// The unit (e.g. entries, seconds) of this metric.
@@ -74,6 +75,8 @@ const (
 	MetricTypeIntHisto
 	MetricTypeFloatHisto
 	MetricTypeIntGauge
+	MetricTypeIntUpDownCount
+	MetricTypeIntAsyncGauge
 )
 
 // Int64CountHandle is a typed handle for a int count metric. This handle
@@ -92,6 +95,23 @@ func (h *Int64CountHandle) Record(recorder MetricsRecorder, incr int64, labels .
 	recorder.RecordInt64Count(h, incr, labels...)
 }
 
+// Int64UpDownCountHandle is a typed handle for an int up-down counter metric.
+// This handle is passed at the recording point in order to know which metric
+// to record on.
+type Int64UpDownCountHandle MetricDescriptor
+
+// Descriptor returns the int64 up-down counter handle typecast to a pointer to a
+// MetricDescriptor.
+func (h *Int64UpDownCountHandle) Descriptor() *MetricDescriptor {
+	return (*MetricDescriptor)(h)
+}
+
+// Record records the int64 up-down counter value on the metrics recorder provided.
+// The value 'v' can be positive to increment or negative to decrement.
+func (h *Int64UpDownCountHandle) Record(recorder MetricsRecorder, v int64, labels ...string) {
+	recorder.RecordInt64UpDownCount(h, v, labels...)
+}
+
 // Float64CountHandle is a typed handle for a float count metric. This handle is
 // passed at the recording point in order to know which metric to record on.
 type Float64CountHandle MetricDescriptor
@@ -153,28 +173,52 @@ func (h *Int64GaugeHandle) Record(recorder MetricsRecorder, incr int64, labels .
 	recorder.RecordInt64Gauge(h, incr, labels...)
 }
 
+// AsyncMetric is a marker interface for asynchronous metric types.
+type AsyncMetric interface {
+	isAsync()
+	Descriptor() *MetricDescriptor
+}
+
+// Int64AsyncGaugeHandle is a typed handle for an int gauge metric. This handle is
+// passed at the recording point in order to know which metric to record on.
+type Int64AsyncGaugeHandle MetricDescriptor
+
+// isAsync implements the AsyncMetric interface.
+func (h *Int64AsyncGaugeHandle) isAsync() {}
+
+// Descriptor returns the int64 gauge handle typecast to a pointer to a
+// MetricDescriptor.
+func (h *Int64AsyncGaugeHandle) Descriptor() *MetricDescriptor {
+	return (*MetricDescriptor)(h)
+}
+
+// Record records the int64 gauge value on the metrics recorder provided.
+func (h *Int64AsyncGaugeHandle) Record(recorder AsyncMetricsRecorder, value int64, labels ...string) {
+	recorder.RecordInt64AsyncGauge(h, value, labels...)
+}
+
 // registeredMetrics are the registered metric descriptor names.
-var registeredMetrics = make(map[Metric]bool)
+var registeredMetrics = make(map[string]bool)
 
 // metricsRegistry contains all of the registered metrics.
 //
 // This is written to only at init time, and read only after that.
-var metricsRegistry = make(map[Metric]*MetricDescriptor)
+var metricsRegistry = make(map[string]*MetricDescriptor)
 
 // DescriptorForMetric returns the MetricDescriptor from the global registry.
 //
 // Returns nil if MetricDescriptor not present.
-func DescriptorForMetric(metric Metric) *MetricDescriptor {
-	return metricsRegistry[metric]
+func DescriptorForMetric(metricName string) *MetricDescriptor {
+	return metricsRegistry[metricName]
 }
 
-func registerMetric(name Metric, def bool) {
-	if registeredMetrics[name] {
-		logger.Fatalf("metric %v already registered", name)
+func registerMetric(metricName string, def bool) {
+	if registeredMetrics[metricName] {
+		logger.Fatalf("metric %v already registered", metricName)
 	}
-	registeredMetrics[name] = true
+	registeredMetrics[metricName] = true
 	if def {
-		DefaultMetrics = DefaultMetrics.Add(name)
+		DefaultMetrics = DefaultMetrics.Add(metricName)
 	}
 }
 
@@ -248,6 +292,35 @@ func RegisterInt64Gauge(descriptor MetricDescriptor) *Int64GaugeHandle {
 	return (*Int64GaugeHandle)(descPtr)
 }
 
+// RegisterInt64UpDownCount registers the metric description onto the global registry.
+// It returns a typed handle to use for recording data.
+//
+// NOTE: this function must only be called during initialization time (i.e. in
+// an init() function), and is not thread-safe. If multiple metrics are
+// registered with the same name, this function will panic.
+func RegisterInt64UpDownCount(descriptor MetricDescriptor) *Int64UpDownCountHandle {
+	registerMetric(descriptor.Name, descriptor.Default)
+	// Set the specific metric type for the up-down counter
+	descriptor.Type = MetricTypeIntUpDownCount
+	descPtr := &descriptor
+	metricsRegistry[descriptor.Name] = descPtr
+	return (*Int64UpDownCountHandle)(descPtr)
+}
+
+// RegisterInt64AsyncGauge registers the metric description onto the global registry.
+// It returns a typed handle to use for recording data.
+//
+// NOTE: this function must only be called during initialization time (i.e. in
+// an init() function), and is not thread-safe. If multiple metrics are
+// registered with the same name, this function will panic.
+func RegisterInt64AsyncGauge(descriptor MetricDescriptor) *Int64AsyncGaugeHandle {
+	registerMetric(descriptor.Name, descriptor.Default)
+	descriptor.Type = MetricTypeIntAsyncGauge
+	descPtr := &descriptor
+	metricsRegistry[descriptor.Name] = descPtr
+	return (*Int64AsyncGaugeHandle)(descPtr)
+}
+
 // snapshotMetricsRegistryForTesting snapshots the global data of the metrics
 // registry. Returns a cleanup function that sets the metrics registry to its
 // original state.
@@ -256,8 +329,8 @@ func snapshotMetricsRegistryForTesting() func() {
 	oldRegisteredMetrics := registeredMetrics
 	oldMetricsRegistry := metricsRegistry
 
-	registeredMetrics = make(map[Metric]bool)
-	metricsRegistry = make(map[Metric]*MetricDescriptor)
+	registeredMetrics = make(map[string]bool)
+	metricsRegistry = make(map[string]*MetricDescriptor)
 	maps.Copy(registeredMetrics, registeredMetrics)
 	maps.Copy(metricsRegistry, metricsRegistry)
 
diff --git a/vendor/google.golang.org/grpc/experimental/stats/metrics.go b/vendor/google.golang.org/grpc/experimental/stats/metrics.go
index 3221f7a6..88742724 100644
--- a/vendor/google.golang.org/grpc/experimental/stats/metrics.go
+++ b/vendor/google.golang.org/grpc/experimental/stats/metrics.go
@@ -19,9 +19,13 @@
 // Package stats contains experimental metrics/stats API's.
 package stats
 
-import "maps"
+import (
+	"google.golang.org/grpc/internal"
+	"google.golang.org/grpc/stats"
+)
 
 // MetricsRecorder records on metrics derived from metric registry.
+// Implementors must embed UnimplementedMetricsRecorder.
 type MetricsRecorder interface {
 	// RecordInt64Count records the measurement alongside labels on the int
 	// count associated with the provided handle.
@@ -38,77 +42,90 @@ type MetricsRecorder interface {
 	// RecordInt64Gauge records the measurement alongside labels on the int
 	// gauge associated with the provided handle.
 	RecordInt64Gauge(handle *Int64GaugeHandle, incr int64, labels ...string)
-}
+	// RecordInt64UpDownCounter records the measurement alongside labels on the int
+	// count associated with the provided handle.
+	RecordInt64UpDownCount(handle *Int64UpDownCountHandle, incr int64, labels ...string)
+	// RegisterAsyncReporter registers a reporter to produce metric values for
+	// only the listed descriptors. The returned function must be called when
+	// the metrics are no longer needed, which will remove the reporter. The
+	// returned method needs to be idempotent and concurrent safe.
+	RegisterAsyncReporter(reporter AsyncMetricReporter, descriptors ...AsyncMetric) func()
 
-// Metric is an identifier for a metric.
-type Metric string
+	// EnforceMetricsRecorderEmbedding is included to force implementers to embed
+	// another implementation of this interface, allowing gRPC to add methods
+	// without breaking users.
+	internal.EnforceMetricsRecorderEmbedding
+}
 
-// Metrics is a set of metrics to record. Once created, Metrics is immutable,
-// however Add and Remove can make copies with specific metrics added or
-// removed, respectively.
+// AsyncMetricReporter is an interface for types that record metrics asynchronously
+// for the set of descriptors they are registered with. The AsyncMetricsRecorder
+// parameter is used to record values for these metrics.
+//
+// Implementations must make unique recordings across all registered
+// AsyncMetricReporters. Meaning, they should not report values for a metric with
+// the same attributes as another AsyncMetricReporter will report.
 //
-// Do not construct directly; use NewMetrics instead.
-type Metrics struct {
-	// metrics are the set of metrics to initialize.
-	metrics map[Metric]bool
+// Implementations must be concurrent-safe.
+type AsyncMetricReporter interface {
+	// Report records metric values using the provided recorder.
+	Report(AsyncMetricsRecorder) error
 }
 
-// NewMetrics returns a Metrics containing Metrics.
-func NewMetrics(metrics ...Metric) *Metrics {
-	newMetrics := make(map[Metric]bool)
-	for _, metric := range metrics {
-		newMetrics[metric] = true
-	}
-	return &Metrics{
-		metrics: newMetrics,
-	}
+// AsyncMetricReporterFunc is an adapter to allow the use of ordinary functions as
+// AsyncMetricReporters.
+type AsyncMetricReporterFunc func(AsyncMetricsRecorder) error
+
+// Report calls f(r).
+func (f AsyncMetricReporterFunc) Report(r AsyncMetricsRecorder) error {
+	return f(r)
+}
+
+// AsyncMetricsRecorder records on asynchronous metrics derived from metric registry.
+type AsyncMetricsRecorder interface {
+	// RecordInt64AsyncGauge records the measurement alongside labels on the int
+	// count associated with the provided handle asynchronously
+	RecordInt64AsyncGauge(handle *Int64AsyncGaugeHandle, incr int64, labels ...string)
 }
 
-// Metrics returns the metrics set. The returned map is read-only and must not
-// be modified.
-func (m *Metrics) Metrics() map[Metric]bool {
-	return m.metrics
+// Metrics is an experimental legacy alias of the now-stable stats.MetricSet.
+// Metrics will be deleted in a future release.
+type Metrics = stats.MetricSet
+
+// Metric was replaced by direct usage of strings.
+type Metric = string
+
+// NewMetrics is an experimental legacy alias of the now-stable
+// stats.NewMetricSet.  NewMetrics will be deleted in a future release.
+func NewMetrics(metrics ...Metric) *Metrics {
+	return stats.NewMetricSet(metrics...)
 }
 
-// Add adds the metrics to the metrics set and returns a new copy with the
-// additional metrics.
-func (m *Metrics) Add(metrics ...Metric) *Metrics {
-	newMetrics := make(map[Metric]bool)
-	for metric := range m.metrics {
-		newMetrics[metric] = true
-	}
-
-	for _, metric := range metrics {
-		newMetrics[metric] = true
-	}
-	return &Metrics{
-		metrics: newMetrics,
-	}
+// UnimplementedMetricsRecorder must be embedded to have forward compatible implementations.
+type UnimplementedMetricsRecorder struct {
+	internal.EnforceMetricsRecorderEmbedding
 }
 
-// Join joins the metrics passed in with the metrics set, and returns a new copy
-// with the merged metrics.
-func (m *Metrics) Join(metrics *Metrics) *Metrics {
-	newMetrics := make(map[Metric]bool)
-	maps.Copy(newMetrics, m.metrics)
-	maps.Copy(newMetrics, metrics.metrics)
-	return &Metrics{
-		metrics: newMetrics,
-	}
+// RecordInt64Count provides a no-op implementation.
+func (UnimplementedMetricsRecorder) RecordInt64Count(*Int64CountHandle, int64, ...string) {}
+
+// RecordFloat64Count provides a no-op implementation.
+func (UnimplementedMetricsRecorder) RecordFloat64Count(*Float64CountHandle, float64, ...string) {}
+
+// RecordInt64Histo provides a no-op implementation.
+func (UnimplementedMetricsRecorder) RecordInt64Histo(*Int64HistoHandle, int64, ...string) {}
+
+// RecordFloat64Histo provides a no-op implementation.
+func (UnimplementedMetricsRecorder) RecordFloat64Histo(*Float64HistoHandle, float64, ...string) {}
+
+// RecordInt64Gauge provides a no-op implementation.
+func (UnimplementedMetricsRecorder) RecordInt64Gauge(*Int64GaugeHandle, int64, ...string) {}
+
+// RecordInt64UpDownCount provides a no-op implementation.
+func (UnimplementedMetricsRecorder) RecordInt64UpDownCount(*Int64UpDownCountHandle, int64, ...string) {
 }
 
-// Remove removes the metrics from the metrics set and returns a new copy with
-// the metrics removed.
-func (m *Metrics) Remove(metrics ...Metric) *Metrics {
-	newMetrics := make(map[Metric]bool)
-	for metric := range m.metrics {
-		newMetrics[metric] = true
-	}
-
-	for _, metric := range metrics {
-		delete(newMetrics, metric)
-	}
-	return &Metrics{
-		metrics: newMetrics,
-	}
+// RegisterAsyncReporter provides a no-op implementation.
+func (UnimplementedMetricsRecorder) RegisterAsyncReporter(AsyncMetricReporter, ...AsyncMetric) func() {
+	// No-op: Return an empty function to ensure caller doesn't panic on nil function call
+	return func() {}
 }
diff --git a/vendor/google.golang.org/grpc/grpclog/internal/logger.go b/vendor/google.golang.org/grpc/grpclog/internal/logger.go
index 0d9a824c..e524fdd4 100644
--- a/vendor/google.golang.org/grpc/grpclog/internal/logger.go
+++ b/vendor/google.golang.org/grpc/grpclog/internal/logger.go
@@ -81,7 +81,7 @@ func (l *LoggerWrapper) Errorf(format string, args ...any) {
 }
 
 // V reports whether verbosity level l is at least the requested verbose level.
-func (*LoggerWrapper) V(l int) bool {
+func (*LoggerWrapper) V(int) bool {
 	// Returns true for all verbose level.
 	return true
 }
diff --git a/vendor/google.golang.org/grpc/grpclog/internal/loggerv2.go b/vendor/google.golang.org/grpc/grpclog/internal/loggerv2.go
index 07df71e9..ed90060c 100644
--- a/vendor/google.golang.org/grpc/grpclog/internal/loggerv2.go
+++ b/vendor/google.golang.org/grpc/grpclog/internal/loggerv2.go
@@ -101,6 +101,22 @@ var severityName = []string{
 	fatalLog:   "FATAL",
 }
 
+// sprintf is fmt.Sprintf.
+// These vars exist to make it possible to test that expensive format calls aren't made unnecessarily.
+var sprintf = fmt.Sprintf
+
+// sprint is fmt.Sprint.
+// These vars exist to make it possible to test that expensive format calls aren't made unnecessarily.
+var sprint = fmt.Sprint
+
+// sprintln is fmt.Sprintln.
+// These vars exist to make it possible to test that expensive format calls aren't made unnecessarily.
+var sprintln = fmt.Sprintln
+
+// exit is os.Exit.
+// This var exists to make it possible to test functions calling os.Exit.
+var exit = os.Exit
+
 // loggerT is the default logger used by grpclog.
 type loggerT struct {
 	m          []*log.Logger
@@ -111,7 +127,7 @@ type loggerT struct {
 func (g *loggerT) output(severity int, s string) {
 	sevStr := severityName[severity]
 	if !g.jsonFormat {
-		g.m[severity].Output(2, fmt.Sprintf("%v: %v", sevStr, s))
+		g.m[severity].Output(2, sevStr+": "+s)
 		return
 	}
 	// TODO: we can also include the logging component, but that needs more
@@ -123,55 +139,79 @@ func (g *loggerT) output(severity int, s string) {
 	g.m[severity].Output(2, string(b))
 }
 
+func (g *loggerT) printf(severity int, format string, args ...any) {
+	// Note the discard check is duplicated in each print func, rather than in
+	// output, to avoid the expensive Sprint calls.
+	// De-duplicating this by moving to output would be a significant performance regression!
+	if lg := g.m[severity]; lg.Writer() == io.Discard {
+		return
+	}
+	g.output(severity, sprintf(format, args...))
+}
+
+func (g *loggerT) print(severity int, v ...any) {
+	if lg := g.m[severity]; lg.Writer() == io.Discard {
+		return
+	}
+	g.output(severity, sprint(v...))
+}
+
+func (g *loggerT) println(severity int, v ...any) {
+	if lg := g.m[severity]; lg.Writer() == io.Discard {
+		return
+	}
+	g.output(severity, sprintln(v...))
+}
+
 func (g *loggerT) Info(args ...any) {
-	g.output(infoLog, fmt.Sprint(args...))
+	g.print(infoLog, args...)
 }
 
 func (g *loggerT) Infoln(args ...any) {
-	g.output(infoLog, fmt.Sprintln(args...))
+	g.println(infoLog, args...)
 }
 
 func (g *loggerT) Infof(format string, args ...any) {
-	g.output(infoLog, fmt.Sprintf(format, args...))
+	g.printf(infoLog, format, args...)
 }
 
 func (g *loggerT) Warning(args ...any) {
-	g.output(warningLog, fmt.Sprint(args...))
+	g.print(warningLog, args...)
 }
 
 func (g *loggerT) Warningln(args ...any) {
-	g.output(warningLog, fmt.Sprintln(args...))
+	g.println(warningLog, args...)
 }
 
 func (g *loggerT) Warningf(format string, args ...any) {
-	g.output(warningLog, fmt.Sprintf(format, args...))
+	g.printf(warningLog, format, args...)
 }
 
 func (g *loggerT) Error(args ...any) {
-	g.output(errorLog, fmt.Sprint(args...))
+	g.print(errorLog, args...)
 }
 
 func (g *loggerT) Errorln(args ...any) {
-	g.output(errorLog, fmt.Sprintln(args...))
+	g.println(errorLog, args...)
 }
 
 func (g *loggerT) Errorf(format string, args ...any) {
-	g.output(errorLog, fmt.Sprintf(format, args...))
+	g.printf(errorLog, format, args...)
 }
 
 func (g *loggerT) Fatal(args ...any) {
-	g.output(fatalLog, fmt.Sprint(args...))
-	os.Exit(1)
+	g.print(fatalLog, args...)
+	exit(1)
 }
 
 func (g *loggerT) Fatalln(args ...any) {
-	g.output(fatalLog, fmt.Sprintln(args...))
-	os.Exit(1)
+	g.println(fatalLog, args...)
+	exit(1)
 }
 
 func (g *loggerT) Fatalf(format string, args ...any) {
-	g.output(fatalLog, fmt.Sprintf(format, args...))
-	os.Exit(1)
+	g.printf(fatalLog, format, args...)
+	exit(1)
 }
 
 func (g *loggerT) V(l int) bool {
@@ -186,19 +226,42 @@ type LoggerV2Config struct {
 	FormatJSON bool
 }
 
+// combineLoggers returns a combined logger for both higher & lower severity logs,
+// or only one if the other is io.Discard.
+//
+// This uses io.Discard instead of io.MultiWriter when all loggers
+// are set to io.Discard. Both this package and the standard log package have
+// significant optimizations for io.Discard, which io.MultiWriter lacks (as of
+// this writing).
+func combineLoggers(lower, higher io.Writer) io.Writer {
+	if lower == io.Discard {
+		return higher
+	}
+	if higher == io.Discard {
+		return lower
+	}
+	return io.MultiWriter(lower, higher)
+}
+
 // NewLoggerV2 creates a new LoggerV2 instance with the provided configuration.
 // The infoW, warningW, and errorW writers are used to write log messages of
 // different severity levels.
 func NewLoggerV2(infoW, warningW, errorW io.Writer, c LoggerV2Config) LoggerV2 {
-	var m []*log.Logger
 	flag := log.LstdFlags
 	if c.FormatJSON {
 		flag = 0
 	}
-	m = append(m, log.New(infoW, "", flag))
-	m = append(m, log.New(io.MultiWriter(infoW, warningW), "", flag))
-	ew := io.MultiWriter(infoW, warningW, errorW) // ew will be used for error and fatal.
-	m = append(m, log.New(ew, "", flag))
-	m = append(m, log.New(ew, "", flag))
+
+	warningW = combineLoggers(infoW, warningW)
+	errorW = combineLoggers(errorW, warningW)
+
+	fatalW := errorW
+
+	m := []*log.Logger{
+		log.New(infoW, "", flag),
+		log.New(warningW, "", flag),
+		log.New(errorW, "", flag),
+		log.New(fatalW, "", flag),
+	}
 	return &loggerT{m: m, v: c.Verbosity, jsonFormat: c.FormatJSON}
 }
diff --git a/vendor/google.golang.org/grpc/interceptor.go b/vendor/google.golang.org/grpc/interceptor.go
index 877d78fc..099e3d09 100644
--- a/vendor/google.golang.org/grpc/interceptor.go
+++ b/vendor/google.golang.org/grpc/interceptor.go
@@ -97,8 +97,12 @@ type StreamServerInfo struct {
 	IsServerStream bool
 }
 
-// StreamServerInterceptor provides a hook to intercept the execution of a streaming RPC on the server.
-// info contains all the information of this RPC the interceptor can operate on. And handler is the
-// service method implementation. It is the responsibility of the interceptor to invoke handler to
-// complete the RPC.
+// StreamServerInterceptor provides a hook to intercept the execution of a
+// streaming RPC on the server.
+//
+// srv is the service implementation on which the RPC was invoked, and needs to
+// be passed to handler, and not used otherwise. ss is the server side of the
+// stream. info contains all the information of this RPC the interceptor can
+// operate on. And handler is the service method implementation. It is the
+// responsibility of the interceptor to invoke handler to complete the RPC.
 type StreamServerInterceptor func(srv any, ss ServerStream, info *StreamServerInfo, handler StreamHandler) error
diff --git a/vendor/google.golang.org/grpc/internal/backoff/backoff.go b/vendor/google.golang.org/grpc/internal/backoff/backoff.go
index b15cf482..b6ae7f25 100644
--- a/vendor/google.golang.org/grpc/internal/backoff/backoff.go
+++ b/vendor/google.golang.org/grpc/internal/backoff/backoff.go
@@ -25,7 +25,7 @@ package backoff
 import (
 	"context"
 	"errors"
-	"math/rand"
+	rand "math/rand/v2"
 	"time"
 
 	grpcbackoff "google.golang.org/grpc/backoff"
diff --git a/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/config.go b/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/config.go
index 13821a92..85540f86 100644
--- a/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/config.go
+++ b/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/config.go
@@ -33,6 +33,8 @@ type lbConfig struct {
 	childConfig  serviceconfig.LoadBalancingConfig
 }
 
+// ChildName returns the name of the child balancer of the gracefulswitch
+// Balancer.
 func ChildName(l serviceconfig.LoadBalancingConfig) string {
 	return l.(*lbConfig).childBuilder.Name()
 }
diff --git a/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/gracefulswitch.go b/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/gracefulswitch.go
index 73bb4c4e..f38de74a 100644
--- a/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/gracefulswitch.go
+++ b/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/gracefulswitch.go
@@ -67,6 +67,10 @@ type Balancer struct {
 	// balancerCurrent before the UpdateSubConnState is called on the
 	// balancerCurrent.
 	currentMu sync.Mutex
+
+	// activeGoroutines tracks all the goroutines that this balancer has started
+	// and that should be waited on when the balancer closes.
+	activeGoroutines sync.WaitGroup
 }
 
 // swap swaps out the current lb with the pending lb and updates the ClientConn.
@@ -76,7 +80,9 @@ func (gsb *Balancer) swap() {
 	cur := gsb.balancerCurrent
 	gsb.balancerCurrent = gsb.balancerPending
 	gsb.balancerPending = nil
+	gsb.activeGoroutines.Add(1)
 	go func() {
+		defer gsb.activeGoroutines.Done()
 		gsb.currentMu.Lock()
 		defer gsb.currentMu.Unlock()
 		cur.Close()
@@ -109,8 +115,9 @@ func (gsb *Balancer) switchTo(builder balancer.Builder) (*balancerWrapper, error
 		return nil, errBalancerClosed
 	}
 	bw := &balancerWrapper{
-		builder: builder,
-		gsb:     gsb,
+		ClientConn: gsb.cc,
+		builder:    builder,
+		gsb:        gsb,
 		lastState: balancer.State{
 			ConnectivityState: connectivity.Connecting,
 			Picker:            base.NewErrPicker(balancer.ErrNoSubConnAvailable),
@@ -222,15 +229,7 @@ func (gsb *Balancer) ExitIdle() {
 	// There is no need to protect this read with a mutex, as the write to the
 	// Balancer field happens in SwitchTo, which completes before this can be
 	// called.
-	if ei, ok := balToUpdate.Balancer.(balancer.ExitIdler); ok {
-		ei.ExitIdle()
-		return
-	}
-	gsb.mu.Lock()
-	defer gsb.mu.Unlock()
-	for sc := range balToUpdate.subconns {
-		sc.Connect()
-	}
+	balToUpdate.ExitIdle()
 }
 
 // updateSubConnState forwards the update to the appropriate child.
@@ -281,6 +280,7 @@ func (gsb *Balancer) Close() {
 
 	currentBalancerToClose.Close()
 	pendingBalancerToClose.Close()
+	gsb.activeGoroutines.Wait()
 }
 
 // balancerWrapper wraps a balancer.Balancer, and overrides some Balancer
@@ -293,6 +293,7 @@ func (gsb *Balancer) Close() {
 // State updates from the wrapped balancer can result in invocation of the
 // graceful switch logic.
 type balancerWrapper struct {
+	balancer.ClientConn
 	balancer.Balancer
 	gsb     *Balancer
 	builder balancer.Builder
@@ -330,7 +331,12 @@ func (bw *balancerWrapper) UpdateState(state balancer.State) {
 	defer bw.gsb.mu.Unlock()
 	bw.lastState = state
 
+	// If Close() acquires the mutex before UpdateState(), the balancer
+	// will already have been removed from the current or pending state when
+	// reaching this point.
 	if !bw.gsb.balancerCurrentOrPending(bw) {
+		// Returning here ensures that (*Balancer).swap() is not invoked after
+		// (*Balancer).Close() and therefore prevents "use after close".
 		return
 	}
 
@@ -413,7 +419,3 @@ func (bw *balancerWrapper) UpdateAddresses(sc balancer.SubConn, addrs []resolver
 	bw.gsb.mu.Unlock()
 	bw.gsb.cc.UpdateAddresses(sc, addrs)
 }
-
-func (bw *balancerWrapper) Target() string {
-	return bw.gsb.cc.Target()
-}
diff --git a/vendor/google.golang.org/grpc/internal/balancer/weight/weight.go b/vendor/google.golang.org/grpc/internal/balancer/weight/weight.go
new file mode 100644
index 00000000..11beb07d
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/balancer/weight/weight.go
@@ -0,0 +1,66 @@
+/*
+ *
+ * Copyright 2025 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package weight contains utilities to manage endpoint weights. Weights are
+// used by LB policies such as ringhash to distribute load across multiple
+// endpoints.
+package weight
+
+import (
+	"fmt"
+
+	"google.golang.org/grpc/resolver"
+)
+
+// attributeKey is the type used as the key to store EndpointInfo in the
+// Attributes field of resolver.Endpoint.
+type attributeKey struct{}
+
+// EndpointInfo will be stored in the Attributes field of Endpoints in order to
+// use the ringhash balancer.
+type EndpointInfo struct {
+	Weight uint32
+}
+
+// Equal allows the values to be compared by Attributes.Equal.
+func (a EndpointInfo) Equal(o any) bool {
+	oa, ok := o.(EndpointInfo)
+	return ok && oa.Weight == a.Weight
+}
+
+// Set returns a copy of endpoint in which the Attributes field is updated with
+// EndpointInfo.
+func Set(endpoint resolver.Endpoint, epInfo EndpointInfo) resolver.Endpoint {
+	endpoint.Attributes = endpoint.Attributes.WithValue(attributeKey{}, epInfo)
+	return endpoint
+}
+
+// String returns a human-readable representation of EndpointInfo.
+// This method is intended for logging, testing, and debugging purposes only.
+// Do not rely on the output format, as it is not guaranteed to remain stable.
+func (a EndpointInfo) String() string {
+	return fmt.Sprintf("Weight: %d", a.Weight)
+}
+
+// FromEndpoint returns the EndpointInfo stored in the Attributes field of an
+// endpoint. It returns an empty EndpointInfo if attribute is not found.
+func FromEndpoint(endpoint resolver.Endpoint) EndpointInfo {
+	v := endpoint.Attributes.Value(attributeKey{})
+	ei, _ := v.(EndpointInfo)
+	return ei
+}
diff --git a/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go b/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go
index aa4505a8..96693289 100644
--- a/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go
+++ b/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go
@@ -106,7 +106,7 @@ func (ml *TruncatingMethodLogger) Build(c LogEntryConfig) *binlogpb.GrpcLogEntry
 }
 
 // Log creates a proto binary log entry, and logs it to the sink.
-func (ml *TruncatingMethodLogger) Log(ctx context.Context, c LogEntryConfig) {
+func (ml *TruncatingMethodLogger) Log(_ context.Context, c LogEntryConfig) {
 	ml.sink.Write(ml.Build(c))
 }
 
diff --git a/vendor/google.golang.org/grpc/internal/buffer/unbounded.go b/vendor/google.golang.org/grpc/internal/buffer/unbounded.go
index 11f91668..467392b8 100644
--- a/vendor/google.golang.org/grpc/internal/buffer/unbounded.go
+++ b/vendor/google.golang.org/grpc/internal/buffer/unbounded.go
@@ -83,6 +83,7 @@ func (b *Unbounded) Load() {
 		default:
 		}
 	} else if b.closing && !b.closed {
+		b.closed = true
 		close(b.c)
 	}
 }
diff --git a/vendor/google.golang.org/grpc/internal/channelz/channel.go b/vendor/google.golang.org/grpc/internal/channelz/channel.go
index d7e9e1d5..3ec66279 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/channel.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/channel.go
@@ -43,6 +43,8 @@ type Channel struct {
 	// Non-zero traceRefCount means the trace of this channel cannot be deleted.
 	traceRefCount int32
 
+	// ChannelMetrics holds connectivity state, target and call metrics for the
+	// channel within channelz.
 	ChannelMetrics ChannelMetrics
 }
 
@@ -50,6 +52,8 @@ type Channel struct {
 // nesting.
 func (c *Channel) channelzIdentifier() {}
 
+// String returns a string representation of the Channel, including its parent
+// entity and ID.
 func (c *Channel) String() string {
 	if c.Parent == nil {
 		return fmt.Sprintf("Channel #%d", c.ID)
@@ -61,24 +65,31 @@ func (c *Channel) id() int64 {
 	return c.ID
 }
 
+// SubChans returns a copy of the map of sub-channels associated with the
+// Channel.
 func (c *Channel) SubChans() map[int64]string {
 	db.mu.RLock()
 	defer db.mu.RUnlock()
 	return copyMap(c.subChans)
 }
 
+// NestedChans returns a copy of the map of nested channels associated with the
+// Channel.
 func (c *Channel) NestedChans() map[int64]string {
 	db.mu.RLock()
 	defer db.mu.RUnlock()
 	return copyMap(c.nestedChans)
 }
 
+// Trace returns a copy of the Channel's trace data.
 func (c *Channel) Trace() *ChannelTrace {
 	db.mu.RLock()
 	defer db.mu.RUnlock()
 	return c.trace.copy()
 }
 
+// ChannelMetrics holds connectivity state, target and call metrics for the
+// channel within channelz.
 type ChannelMetrics struct {
 	// The current connectivity state of the channel.
 	State atomic.Pointer[connectivity.State]
@@ -136,12 +147,16 @@ func strFromPointer(s *string) string {
 	return *s
 }
 
+// String returns a string representation of the ChannelMetrics, including its
+// state, target, and call metrics.
 func (c *ChannelMetrics) String() string {
 	return fmt.Sprintf("State: %v, Target: %s, CallsStarted: %v, CallsSucceeded: %v, CallsFailed: %v, LastCallStartedTimestamp: %v",
 		c.State.Load(), strFromPointer(c.Target.Load()), c.CallsStarted.Load(), c.CallsSucceeded.Load(), c.CallsFailed.Load(), c.LastCallStartedTimestamp.Load(),
 	)
 }
 
+// NewChannelMetricForTesting creates a new instance of ChannelMetrics with
+// specified initial values for testing purposes.
 func NewChannelMetricForTesting(state connectivity.State, target string, started, succeeded, failed, timestamp int64) *ChannelMetrics {
 	c := &ChannelMetrics{}
 	c.State.Store(&state)
diff --git a/vendor/google.golang.org/grpc/internal/channelz/channelmap.go b/vendor/google.golang.org/grpc/internal/channelz/channelmap.go
index bb531225..64c79195 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/channelmap.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/channelmap.go
@@ -234,13 +234,6 @@ func copyMap(m map[int64]string) map[int64]string {
 	return n
 }
 
-func min(a, b int) int {
-	if a < b {
-		return a
-	}
-	return b
-}
-
 func (c *channelMap) getTopChannels(id int64, maxResults int) ([]*Channel, bool) {
 	if maxResults <= 0 {
 		maxResults = EntriesPerPage
diff --git a/vendor/google.golang.org/grpc/internal/channelz/funcs.go b/vendor/google.golang.org/grpc/internal/channelz/funcs.go
index 03e24e15..078bb812 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/funcs.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/funcs.go
@@ -33,7 +33,7 @@ var (
 	// outside this package except by tests.
 	IDGen IDGenerator
 
-	db *channelMap = newChannelMap()
+	db = newChannelMap()
 	// EntriesPerPage defines the number of channelz entries to be shown on a web page.
 	EntriesPerPage = 50
 	curState       int32
diff --git a/vendor/google.golang.org/grpc/internal/channelz/server.go b/vendor/google.golang.org/grpc/internal/channelz/server.go
index cdfc49d6..b5a82499 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/server.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/server.go
@@ -59,6 +59,8 @@ func NewServerMetricsForTesting(started, succeeded, failed, timestamp int64) *Se
 	return sm
 }
 
+// CopyFrom copies the metrics data from the provided ServerMetrics
+// instance into the current instance.
 func (sm *ServerMetrics) CopyFrom(o *ServerMetrics) {
 	sm.CallsStarted.Store(o.CallsStarted.Load())
 	sm.CallsSucceeded.Store(o.CallsSucceeded.Load())
diff --git a/vendor/google.golang.org/grpc/internal/channelz/socket.go b/vendor/google.golang.org/grpc/internal/channelz/socket.go
index fa64834b..90103847 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/socket.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/socket.go
@@ -70,13 +70,18 @@ type EphemeralSocketMetrics struct {
 	RemoteFlowControlWindow int64
 }
 
+// SocketType represents the type of socket.
 type SocketType string
 
+// SocketType can be one of these.
 const (
 	SocketTypeNormal = "NormalSocket"
 	SocketTypeListen = "ListenSocket"
 )
 
+// Socket represents a socket within channelz which includes socket
+// metrics and data related to socket activity and provides methods
+// for managing and interacting with sockets.
 type Socket struct {
 	Entity
 	SocketType       SocketType
@@ -100,6 +105,8 @@ type Socket struct {
 	Security credentials.ChannelzSecurityValue
 }
 
+// String returns a string representation of the Socket, including its parent
+// entity, socket type, and ID.
 func (ls *Socket) String() string {
 	return fmt.Sprintf("%s %s #%d", ls.Parent, ls.SocketType, ls.ID)
 }
diff --git a/vendor/google.golang.org/grpc/internal/channelz/subchannel.go b/vendor/google.golang.org/grpc/internal/channelz/subchannel.go
index 3b88e4cb..b20802e6 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/subchannel.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/subchannel.go
@@ -47,12 +47,14 @@ func (sc *SubChannel) id() int64 {
 	return sc.ID
 }
 
+// Sockets returns a copy of the sockets map associated with the SubChannel.
 func (sc *SubChannel) Sockets() map[int64]string {
 	db.mu.RLock()
 	defer db.mu.RUnlock()
 	return copyMap(sc.sockets)
 }
 
+// Trace returns a copy of the ChannelTrace associated with the SubChannel.
 func (sc *SubChannel) Trace() *ChannelTrace {
 	db.mu.RLock()
 	defer db.mu.RUnlock()
diff --git a/vendor/google.golang.org/grpc/internal/channelz/syscall_nonlinux.go b/vendor/google.golang.org/grpc/internal/channelz/syscall_nonlinux.go
index d1ed8df6..0e6e18e1 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/syscall_nonlinux.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/syscall_nonlinux.go
@@ -35,13 +35,13 @@ type SocketOptionData struct {
 // Getsockopt defines the function to get socket options requested by channelz.
 // It is to be passed to syscall.RawConn.Control().
 // Windows OS doesn't support Socket Option
-func (s *SocketOptionData) Getsockopt(fd uintptr) {
+func (s *SocketOptionData) Getsockopt(uintptr) {
 	once.Do(func() {
 		logger.Warning("Channelz: socket options are not supported on non-linux environments")
 	})
 }
 
 // GetSocketOption gets the socket option info of the conn.
-func GetSocketOption(c any) *SocketOptionData {
+func GetSocketOption(any) *SocketOptionData {
 	return nil
 }
diff --git a/vendor/google.golang.org/grpc/internal/channelz/trace.go b/vendor/google.golang.org/grpc/internal/channelz/trace.go
index 36b86740..3b7ba596 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/trace.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/trace.go
@@ -79,13 +79,21 @@ type TraceEvent struct {
 	Parent   *TraceEvent
 }
 
+// ChannelTrace provides tracing information for a channel.
+// It tracks various events and metadata related to the channel's lifecycle
+// and operations.
 type ChannelTrace struct {
-	cm           *channelMap
-	clearCalled  bool
+	cm          *channelMap
+	clearCalled bool
+	// The time when the trace was created.
 	CreationTime time.Time
-	EventNum     int64
-	mu           sync.Mutex
-	Events       []*traceEvent
+	// A counter for the number of events recorded in the
+	// trace.
+	EventNum int64
+	mu       sync.Mutex
+	// A slice of traceEvent pointers representing the events recorded for
+	// this channel.
+	Events []*traceEvent
 }
 
 func (c *ChannelTrace) copy() *ChannelTrace {
@@ -175,6 +183,7 @@ var refChannelTypeToString = map[RefChannelType]string{
 	RefNormalSocket: "NormalSocket",
 }
 
+// String returns a string representation of the RefChannelType
 func (r RefChannelType) String() string {
 	return refChannelTypeToString[r]
 }
@@ -185,7 +194,7 @@ func (r RefChannelType) String() string {
 // If channelz is not turned ON, this will simply log the event descriptions.
 func AddTraceEvent(l grpclog.DepthLoggerV2, e Entity, depth int, desc *TraceEvent) {
 	// Log only the trace description associated with the bottom most entity.
-	d := fmt.Sprintf("[%s]%s", e, desc.Desc)
+	d := fmt.Sprintf("[%s] %s", e, desc.Desc)
 	switch desc.Severity {
 	case CtUnknown, CtInfo:
 		l.InfoDepth(depth+1, d)
diff --git a/vendor/google.golang.org/grpc/internal/credentials/credentials.go b/vendor/google.golang.org/grpc/internal/credentials/credentials.go
index 9deee7f6..48b22d9c 100644
--- a/vendor/google.golang.org/grpc/internal/credentials/credentials.go
+++ b/vendor/google.golang.org/grpc/internal/credentials/credentials.go
@@ -20,20 +20,6 @@ import (
 	"context"
 )
 
-// requestInfoKey is a struct to be used as the key to store RequestInfo in a
-// context.
-type requestInfoKey struct{}
-
-// NewRequestInfoContext creates a context with ri.
-func NewRequestInfoContext(ctx context.Context, ri any) context.Context {
-	return context.WithValue(ctx, requestInfoKey{}, ri)
-}
-
-// RequestInfoFromContext extracts the RequestInfo from ctx.
-func RequestInfoFromContext(ctx context.Context) any {
-	return ctx.Value(requestInfoKey{})
-}
-
 // clientHandshakeInfoKey is a struct used as the key to store
 // ClientHandshakeInfo in a context.
 type clientHandshakeInfoKey struct{}
diff --git a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go
index 00abc7c2..7ad6fb44 100644
--- a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go
+++ b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go
@@ -26,30 +26,84 @@ import (
 )
 
 var (
-	// TXTErrIgnore is set if TXT errors should be ignored ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false").
+	// EnableTXTServiceConfig is set if the DNS resolver should perform TXT
+	// lookups for service config ("GRPC_ENABLE_TXT_SERVICE_CONFIG" is not
+	// "false").
+	EnableTXTServiceConfig = boolFromEnv("GRPC_ENABLE_TXT_SERVICE_CONFIG", true)
+
+	// TXTErrIgnore is set if TXT errors should be ignored
+	// ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false").
 	TXTErrIgnore = boolFromEnv("GRPC_GO_IGNORE_TXT_ERRORS", true)
+
 	// RingHashCap indicates the maximum ring size which defaults to 4096
 	// entries but may be overridden by setting the environment variable
 	// "GRPC_RING_HASH_CAP".  This does not override the default bounds
 	// checking which NACKs configs specifying ring sizes > 8*1024*1024 (~8M).
 	RingHashCap = uint64FromEnv("GRPC_RING_HASH_CAP", 4096, 1, 8*1024*1024)
-	// LeastRequestLB is set if we should support the least_request_experimental
-	// LB policy, which can be enabled by setting the environment variable
-	// "GRPC_EXPERIMENTAL_ENABLE_LEAST_REQUEST" to "true".
-	LeastRequestLB = boolFromEnv("GRPC_EXPERIMENTAL_ENABLE_LEAST_REQUEST", false)
+
 	// ALTSMaxConcurrentHandshakes is the maximum number of concurrent ALTS
 	// handshakes that can be performed.
 	ALTSMaxConcurrentHandshakes = uint64FromEnv("GRPC_ALTS_MAX_CONCURRENT_HANDSHAKES", 100, 1, 100)
+
 	// EnforceALPNEnabled is set if TLS connections to servers with ALPN disabled
 	// should be rejected. The HTTP/2 protocol requires ALPN to be enabled, this
 	// option is present for backward compatibility. This option may be overridden
 	// by setting the environment variable "GRPC_ENFORCE_ALPN_ENABLED" to "true"
 	// or "false".
-	EnforceALPNEnabled = boolFromEnv("GRPC_ENFORCE_ALPN_ENABLED", false)
-	// XDSFallbackSupport is the env variable that controls whether support for
-	// xDS fallback is turned on. If this is unset or is false, only the first
-	// xDS server in the list of server configs will be used.
-	XDSFallbackSupport = boolFromEnv("GRPC_EXPERIMENTAL_XDS_FALLBACK", false)
+	EnforceALPNEnabled = boolFromEnv("GRPC_ENFORCE_ALPN_ENABLED", true)
+
+	// XDSEndpointHashKeyBackwardCompat controls the parsing of the endpoint hash
+	// key from EDS LbEndpoint metadata. Endpoint hash keys can be disabled by
+	// setting "GRPC_XDS_ENDPOINT_HASH_KEY_BACKWARD_COMPAT" to "true". When the
+	// implementation of A76 is stable, we will flip the default value to false
+	// in a subsequent release. A final release will remove this environment
+	// variable, enabling the new behavior unconditionally.
+	XDSEndpointHashKeyBackwardCompat = boolFromEnv("GRPC_XDS_ENDPOINT_HASH_KEY_BACKWARD_COMPAT", true)
+
+	// RingHashSetRequestHashKey is set if the ring hash balancer can get the
+	// request hash header by setting the "requestHashHeader" field, according
+	// to gRFC A76. It can be enabled by setting the environment variable
+	// "GRPC_EXPERIMENTAL_RING_HASH_SET_REQUEST_HASH_KEY" to "true".
+	RingHashSetRequestHashKey = boolFromEnv("GRPC_EXPERIMENTAL_RING_HASH_SET_REQUEST_HASH_KEY", false)
+
+	// ALTSHandshakerKeepaliveParams is set if we should add the
+	// KeepaliveParams when dial the ALTS handshaker service.
+	ALTSHandshakerKeepaliveParams = boolFromEnv("GRPC_EXPERIMENTAL_ALTS_HANDSHAKER_KEEPALIVE_PARAMS", false)
+
+	// EnableDefaultPortForProxyTarget controls whether the resolver adds a default port 443
+	// to a target address that lacks one. This flag only has an effect when all of
+	// the following conditions are met:
+	//   - A connect proxy is being used.
+	//   - Target resolution is disabled.
+	//   - The DNS resolver is being used.
+	EnableDefaultPortForProxyTarget = boolFromEnv("GRPC_EXPERIMENTAL_ENABLE_DEFAULT_PORT_FOR_PROXY_TARGET", true)
+
+	// XDSAuthorityRewrite indicates whether xDS authority rewriting is enabled.
+	// This feature is defined in gRFC A81 and is enabled by setting the
+	// environment variable GRPC_EXPERIMENTAL_XDS_AUTHORITY_REWRITE to "true".
+	XDSAuthorityRewrite = boolFromEnv("GRPC_EXPERIMENTAL_XDS_AUTHORITY_REWRITE", false)
+
+	// PickFirstWeightedShuffling indicates whether weighted endpoint shuffling
+	// is enabled in the pick_first LB policy, as defined in gRFC A113. This
+	// feature can be disabled by setting the environment variable
+	// GRPC_EXPERIMENTAL_PF_WEIGHTED_SHUFFLING to "false".
+	PickFirstWeightedShuffling = boolFromEnv("GRPC_EXPERIMENTAL_PF_WEIGHTED_SHUFFLING", true)
+
+	// DisableStrictPathChecking indicates whether strict path checking is
+	// disabled. This feature can be disabled by setting the environment
+	// variable GRPC_GO_EXPERIMENTAL_DISABLE_STRICT_PATH_CHECKING to "true".
+	//
+	// When strict path checking is enabled, gRPC will reject requests with
+	// paths that do not conform to the gRPC over HTTP/2 specification found at
+	// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md.
+	//
+	// When disabled, gRPC will allow paths that do not contain a leading slash.
+	// Enabling strict path checking is recommended for security reasons, as it
+	// prevents potential path traversal vulnerabilities.
+	//
+	// A future release will remove this environment variable, enabling strict
+	// path checking behavior unconditionally.
+	DisableStrictPathChecking = boolFromEnv("GRPC_GO_EXPERIMENTAL_DISABLE_STRICT_PATH_CHECKING", false)
 )
 
 func boolFromEnv(envVar string, def bool) bool {
diff --git a/vendor/google.golang.org/grpc/internal/envconfig/xds.go b/vendor/google.golang.org/grpc/internal/envconfig/xds.go
index 29f234ac..7685d08b 100644
--- a/vendor/google.golang.org/grpc/internal/envconfig/xds.go
+++ b/vendor/google.golang.org/grpc/internal/envconfig/xds.go
@@ -53,4 +53,30 @@ var (
 
 	// C2PResolverTestOnlyTrafficDirectorURI is the TD URI for testing.
 	C2PResolverTestOnlyTrafficDirectorURI = os.Getenv("GRPC_TEST_ONLY_GOOGLE_C2P_RESOLVER_TRAFFIC_DIRECTOR_URI")
+
+	// XDSDualstackEndpointsEnabled is true if gRPC should read the
+	// "additional addresses" in the xDS endpoint resource.
+	XDSDualstackEndpointsEnabled = boolFromEnv("GRPC_EXPERIMENTAL_XDS_DUALSTACK_ENDPOINTS", true)
+
+	// XDSSystemRootCertsEnabled is true when xDS enabled gRPC clients can use
+	// the system's default root certificates for TLS certificate validation.
+	// For more details, see:
+	// https://github.com/grpc/proposal/blob/master/A82-xds-system-root-certs.md.
+	XDSSystemRootCertsEnabled = boolFromEnv("GRPC_EXPERIMENTAL_XDS_SYSTEM_ROOT_CERTS", false)
+
+	// XDSSPIFFEEnabled controls if SPIFFE Bundle Maps can be used as roots of
+	// trust.  For more details, see:
+	// https://github.com/grpc/proposal/blob/master/A87-mtls-spiffe-support.md
+	XDSSPIFFEEnabled = boolFromEnv("GRPC_EXPERIMENTAL_XDS_MTLS_SPIFFE", false)
+
+	// XDSHTTPConnectEnabled is true if gRPC should parse custom Metadata
+	// configuring use of an HTTP CONNECT proxy via xDS from cluster resources.
+	// For more details, see:
+	// https://github.com/grpc/proposal/blob/master/A86-xds-http-connect.md
+	XDSHTTPConnectEnabled = boolFromEnv("GRPC_EXPERIMENTAL_XDS_HTTP_CONNECT", false)
+
+	// XDSBootstrapCallCredsEnabled controls if call credentials can be used in
+	// xDS bootstrap configuration via the `call_creds` field. For more details,
+	// see: https://github.com/grpc/proposal/blob/master/A97-xds-jwt-call-creds.md
+	XDSBootstrapCallCredsEnabled = boolFromEnv("GRPC_EXPERIMENTAL_XDS_BOOTSTRAP_CALL_CREDS", false)
 )
diff --git a/vendor/google.golang.org/grpc/internal/experimental.go b/vendor/google.golang.org/grpc/internal/experimental.go
index 7617be21..8a999917 100644
--- a/vendor/google.golang.org/grpc/internal/experimental.go
+++ b/vendor/google.golang.org/grpc/internal/experimental.go
@@ -25,4 +25,11 @@ var (
 	// BufferPool is implemented by the grpc package and returns a server
 	// option to configure a shared buffer pool for a grpc.Server.
 	BufferPool any // func (grpc.SharedBufferPool) grpc.ServerOption
+
+	// SetDefaultBufferPool updates the default buffer pool.
+	SetDefaultBufferPool any // func(mem.BufferPool)
+
+	// AcceptCompressors is implemented by the grpc package and returns
+	// a call option that restricts the grpc-accept-encoding header for a call.
+	AcceptCompressors any // func(...string) grpc.CallOption
 )
diff --git a/vendor/google.golang.org/grpc/internal/googlecloud/googlecloud.go b/vendor/google.golang.org/grpc/internal/googlecloud/googlecloud.go
index 6717b757..43423d8a 100644
--- a/vendor/google.golang.org/grpc/internal/googlecloud/googlecloud.go
+++ b/vendor/google.golang.org/grpc/internal/googlecloud/googlecloud.go
@@ -62,9 +62,9 @@ func isRunningOnGCE(manufacturer []byte, goos string) bool {
 		name = strings.TrimSpace(name)
 		return name == "Google" || name == "Google Compute Engine"
 	case "windows":
-		name = strings.Replace(name, " ", "", -1)
-		name = strings.Replace(name, "\n", "", -1)
-		name = strings.Replace(name, "\r", "", -1)
+		name = strings.ReplaceAll(name, " ", "")
+		name = strings.ReplaceAll(name, "\n", "")
+		name = strings.ReplaceAll(name, "\r", "")
 		return name == "Google"
 	default:
 		return false
diff --git a/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go b/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go
index 19b9d639..9b6d8a1f 100644
--- a/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go
+++ b/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go
@@ -53,7 +53,7 @@ func NewCallbackSerializer(ctx context.Context) *CallbackSerializer {
 	return cs
 }
 
-// TrySchedule tries to schedules the provided callback function f to be
+// TrySchedule tries to schedule the provided callback function f to be
 // executed in the order it was added. This is a best-effort operation. If the
 // context passed to NewCallbackSerializer was canceled before this method is
 // called, the callback will not be scheduled.
@@ -80,25 +80,11 @@ func (cs *CallbackSerializer) ScheduleOr(f func(ctx context.Context), onFailure
 func (cs *CallbackSerializer) run(ctx context.Context) {
 	defer close(cs.done)
 
-	// TODO: when Go 1.21 is the oldest supported version, this loop and Close
-	// can be replaced with:
-	//
-	// context.AfterFunc(ctx, cs.callbacks.Close)
-	for ctx.Err() == nil {
-		select {
-		case <-ctx.Done():
-			// Do nothing here. Next iteration of the for loop will not happen,
-			// since ctx.Err() would be non-nil.
-		case cb := <-cs.callbacks.Get():
-			cs.callbacks.Load()
-			cb.(func(context.Context))(ctx)
-		}
-	}
-
-	// Close the buffer to prevent new callbacks from being added.
-	cs.callbacks.Close()
+	// Close the buffer when the context is canceled
+	// to prevent new callbacks from being added.
+	context.AfterFunc(ctx, cs.callbacks.Close)
 
-	// Run all pending callbacks.
+	// Run all callbacks.
 	for cb := range cs.callbacks.Get() {
 		cs.callbacks.Load()
 		cb.(func(context.Context))(ctx)
diff --git a/vendor/google.golang.org/grpc/internal/grpcsync/event.go b/vendor/google.golang.org/grpc/internal/grpcsync/event.go
index fbe697c3..d788c249 100644
--- a/vendor/google.golang.org/grpc/internal/grpcsync/event.go
+++ b/vendor/google.golang.org/grpc/internal/grpcsync/event.go
@@ -21,28 +21,25 @@
 package grpcsync
 
 import (
-	"sync"
 	"sync/atomic"
 )
 
 // Event represents a one-time event that may occur in the future.
 type Event struct {
-	fired int32
+	fired atomic.Bool
 	c     chan struct{}
-	o     sync.Once
 }
 
 // Fire causes e to complete.  It is safe to call multiple times, and
 // concurrently.  It returns true iff this call to Fire caused the signaling
-// channel returned by Done to close.
+// channel returned by Done to close. If Fire returns false, it is possible
+// the Done channel has not been closed yet.
 func (e *Event) Fire() bool {
-	ret := false
-	e.o.Do(func() {
-		atomic.StoreInt32(&e.fired, 1)
+	if e.fired.CompareAndSwap(false, true) {
 		close(e.c)
-		ret = true
-	})
-	return ret
+		return true
+	}
+	return false
 }
 
 // Done returns a channel that will be closed when Fire is called.
@@ -52,7 +49,7 @@ func (e *Event) Done() <-chan struct{} {
 
 // HasFired returns true if Fire has been called.
 func (e *Event) HasFired() bool {
-	return atomic.LoadInt32(&e.fired) == 1
+	return e.fired.Load()
 }
 
 // NewEvent returns a new, ready-to-use Event.
diff --git a/vendor/google.golang.org/grpc/internal/grpcutil/method.go b/vendor/google.golang.org/grpc/internal/grpcutil/method.go
index ec62b477..683d1955 100644
--- a/vendor/google.golang.org/grpc/internal/grpcutil/method.go
+++ b/vendor/google.golang.org/grpc/internal/grpcutil/method.go
@@ -39,7 +39,7 @@ func ParseMethod(methodName string) (service, method string, _ error) {
 }
 
 // baseContentType is the base content-type for gRPC.  This is a valid
-// content-type on it's own, but can also include a content-subtype such as
+// content-type on its own, but can also include a content-subtype such as
 // "proto" as a suffix after "+" or ";".  See
 // https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests
 // for more details.
diff --git a/vendor/google.golang.org/grpc/internal/idle/idle.go b/vendor/google.golang.org/grpc/internal/idle/idle.go
index fe49cb74..d3cd24f8 100644
--- a/vendor/google.golang.org/grpc/internal/idle/idle.go
+++ b/vendor/google.golang.org/grpc/internal/idle/idle.go
@@ -21,7 +21,6 @@
 package idle
 
 import (
-	"fmt"
 	"math"
 	"sync"
 	"sync/atomic"
@@ -33,15 +32,15 @@ var timeAfterFunc = func(d time.Duration, f func()) *time.Timer {
 	return time.AfterFunc(d, f)
 }
 
-// Enforcer is the functionality provided by grpc.ClientConn to enter
-// and exit from idle mode.
-type Enforcer interface {
-	ExitIdleMode() error
+// ClientConn is the functionality provided by grpc.ClientConn to enter and exit
+// from idle mode.
+type ClientConn interface {
+	ExitIdleMode()
 	EnterIdleMode()
 }
 
-// Manager implements idleness detection and calls the configured Enforcer to
-// enter/exit idle mode when appropriate.  Must be created by NewManager.
+// Manager implements idleness detection and calls the ClientConn to enter/exit
+// idle mode when appropriate. Must be created by NewManager.
 type Manager struct {
 	// State accessed atomically.
 	lastCallEndTime           int64 // Unix timestamp in nanos; time when the most recent RPC completed.
@@ -51,8 +50,8 @@ type Manager struct {
 
 	// Can be accessed without atomics or mutex since these are set at creation
 	// time and read-only after that.
-	enforcer Enforcer // Functionality provided by grpc.ClientConn.
-	timeout  time.Duration
+	cc      ClientConn // Functionality provided by grpc.ClientConn.
+	timeout time.Duration
 
 	// idleMu is used to guarantee mutual exclusion in two scenarios:
 	// - Opposing intentions:
@@ -72,9 +71,9 @@ type Manager struct {
 
 // NewManager creates a new idleness manager implementation for the
 // given idle timeout.  It begins in idle mode.
-func NewManager(enforcer Enforcer, timeout time.Duration) *Manager {
+func NewManager(cc ClientConn, timeout time.Duration) *Manager {
 	return &Manager{
-		enforcer:         enforcer,
+		cc:               cc,
 		timeout:          timeout,
 		actuallyIdle:     true,
 		activeCallsCount: -math.MaxInt32,
@@ -127,7 +126,7 @@ func (m *Manager) handleIdleTimeout() {
 
 	// Now that we've checked that there has been no activity, attempt to enter
 	// idle mode, which is very likely to succeed.
-	if m.tryEnterIdleMode() {
+	if m.tryEnterIdleMode(true) {
 		// Successfully entered idle mode. No timer needed until we exit idle.
 		return
 	}
@@ -142,10 +141,13 @@ func (m *Manager) handleIdleTimeout() {
 // that, it performs a last minute check to ensure that no new RPC has come in,
 // making the channel active.
 //
+// checkActivity controls if a check for RPC activity, since the last time the
+// idle_timeout fired, is made.
+
 // Return value indicates whether or not the channel moved to idle mode.
 //
 // Holds idleMu which ensures mutual exclusion with exitIdleMode.
-func (m *Manager) tryEnterIdleMode() bool {
+func (m *Manager) tryEnterIdleMode(checkActivity bool) bool {
 	// Setting the activeCallsCount to -math.MaxInt32 indicates to OnCallBegin()
 	// that the channel is either in idle mode or is trying to get there.
 	if !atomic.CompareAndSwapInt32(&m.activeCallsCount, 0, -math.MaxInt32) {
@@ -166,7 +168,7 @@ func (m *Manager) tryEnterIdleMode() bool {
 		atomic.AddInt32(&m.activeCallsCount, math.MaxInt32)
 		return false
 	}
-	if atomic.LoadInt32(&m.activeSinceLastTimerCheck) == 1 {
+	if checkActivity && atomic.LoadInt32(&m.activeSinceLastTimerCheck) == 1 {
 		// A very short RPC could have come in (and also finished) after we
 		// checked for calls count and activity in handleIdleTimeout(), but
 		// before the CAS operation. So, we need to check for activity again.
@@ -177,43 +179,37 @@ func (m *Manager) tryEnterIdleMode() bool {
 	// No new RPCs have come in since we set the active calls count value to
 	// -math.MaxInt32. And since we have the lock, it is safe to enter idle mode
 	// unconditionally now.
-	m.enforcer.EnterIdleMode()
+	m.cc.EnterIdleMode()
 	m.actuallyIdle = true
 	return true
 }
 
+// EnterIdleModeForTesting instructs the channel to enter idle mode.
 func (m *Manager) EnterIdleModeForTesting() {
-	m.tryEnterIdleMode()
+	m.tryEnterIdleMode(false)
 }
 
 // OnCallBegin is invoked at the start of every RPC.
-func (m *Manager) OnCallBegin() error {
+func (m *Manager) OnCallBegin() {
 	if m.isClosed() {
-		return nil
+		return
 	}
 
 	if atomic.AddInt32(&m.activeCallsCount, 1) > 0 {
 		// Channel is not idle now. Set the activity bit and allow the call.
 		atomic.StoreInt32(&m.activeSinceLastTimerCheck, 1)
-		return nil
+		return
 	}
 
 	// Channel is either in idle mode or is in the process of moving to idle
 	// mode. Attempt to exit idle mode to allow this RPC.
-	if err := m.ExitIdleMode(); err != nil {
-		// Undo the increment to calls count, and return an error causing the
-		// RPC to fail.
-		atomic.AddInt32(&m.activeCallsCount, -1)
-		return err
-	}
-
+	m.ExitIdleMode()
 	atomic.StoreInt32(&m.activeSinceLastTimerCheck, 1)
-	return nil
 }
 
-// ExitIdleMode instructs m to call the enforcer's ExitIdleMode and update m's
+// ExitIdleMode instructs m to call the ClientConn's ExitIdleMode and update its
 // internal state.
-func (m *Manager) ExitIdleMode() error {
+func (m *Manager) ExitIdleMode() {
 	// Holds idleMu which ensures mutual exclusion with tryEnterIdleMode.
 	m.idleMu.Lock()
 	defer m.idleMu.Unlock()
@@ -225,17 +221,15 @@ func (m *Manager) ExitIdleMode() error {
 		//   came in and OnCallBegin() noticed that the calls count is negative.
 		// - Channel is in idle mode, and multiple new RPCs come in at the same
 		//   time, all of them notice a negative calls count in OnCallBegin and get
-		//   here. The first one to get the lock would got the channel to exit idle.
+		//   here. The first one to get the lock would get the channel to exit idle.
 		// - Channel is not in idle mode, and the user calls Connect which calls
 		//   m.ExitIdleMode.
 		//
 		// In any case, there is nothing to do here.
-		return nil
+		return
 	}
 
-	if err := m.enforcer.ExitIdleMode(); err != nil {
-		return fmt.Errorf("failed to exit idle mode: %w", err)
-	}
+	m.cc.ExitIdleMode()
 
 	// Undo the idle entry process. This also respects any new RPC attempts.
 	atomic.AddInt32(&m.activeCallsCount, math.MaxInt32)
@@ -243,7 +237,23 @@ func (m *Manager) ExitIdleMode() error {
 
 	// Start a new timer to fire after the configured idle timeout.
 	m.resetIdleTimerLocked(m.timeout)
-	return nil
+}
+
+// UnsafeSetNotIdle instructs the Manager to update its internal state to
+// reflect the reality that the channel is no longer in IDLE mode.
+//
+// N.B. This method is intended only for internal use by the gRPC client
+// when it exits IDLE mode **manually** from `Dial`. The callsite must ensure:
+//   - The channel was **actually in IDLE mode** immediately prior to the call.
+//   - There is **no concurrent activity** that could cause the channel to exit
+//     IDLE mode *naturally* at the same time.
+func (m *Manager) UnsafeSetNotIdle() {
+	m.idleMu.Lock()
+	defer m.idleMu.Unlock()
+
+	atomic.AddInt32(&m.activeCallsCount, math.MaxInt32)
+	m.actuallyIdle = false
+	m.resetIdleTimerLocked(m.timeout)
 }
 
 // OnCallEnd is invoked at the end of every RPC.
@@ -266,6 +276,7 @@ func (m *Manager) isClosed() bool {
 	return atomic.LoadInt32(&m.closed) == 1
 }
 
+// Close stops the timer associated with the Manager, if it exists.
 func (m *Manager) Close() {
 	atomic.StoreInt32(&m.closed, 1)
 
diff --git a/vendor/google.golang.org/grpc/internal/internal.go b/vendor/google.golang.org/grpc/internal/internal.go
index 73fa407b..4b3d563f 100644
--- a/vendor/google.golang.org/grpc/internal/internal.go
+++ b/vendor/google.golang.org/grpc/internal/internal.go
@@ -29,10 +29,12 @@ import (
 )
 
 var (
-	// WithHealthCheckFunc is set by dialoptions.go
-	WithHealthCheckFunc any // func (HealthChecker) DialOption
 	// HealthCheckFunc is used to provide client-side LB channel health checking
 	HealthCheckFunc HealthChecker
+	// RegisterClientHealthCheckListener is used to provide a listener for
+	// updates from the client-side health checking service. It returns a
+	// function that can be called to stop the health producer.
+	RegisterClientHealthCheckListener any // func(ctx context.Context, sc balancer.SubConn, serviceName string, listener func(balancer.SubConnState)) func()
 	// BalancerUnregister is exported by package balancer to unregister a balancer.
 	BalancerUnregister func(name string)
 	// KeepaliveMinPingTime is the minimum ping interval.  This must be 10s by
@@ -62,6 +64,9 @@ var (
 	// gRPC server. An xDS-enabled server needs to know what type of credentials
 	// is configured on the underlying gRPC server. This is set by server.go.
 	GetServerCredentials any // func (*grpc.Server) credentials.TransportCredentials
+	// MetricsRecorderForServer returns the MetricsRecorderList derived from a
+	// server's stats handlers.
+	MetricsRecorderForServer any // func (*grpc.Server) estats.MetricsRecorder
 	// CanonicalString returns the canonical string of the code defined here:
 	// https://github.com/grpc/grpc/blob/master/doc/statuscodes.md.
 	//
@@ -149,41 +154,40 @@ var (
 	// other features, including the CSDS service.
 	NewXDSResolverWithConfigForTesting any // func([]byte) (resolver.Builder, error)
 
-	// RegisterRLSClusterSpecifierPluginForTesting registers the RLS Cluster
-	// Specifier Plugin for testing purposes, regardless of the XDSRLS environment
-	// variable.
+	// NewXDSResolverWithPoolForTesting creates a new xDS resolver builder
+	// using the provided xDS pool instead of creating a new one using the
+	// bootstrap configuration specified by the supported environment variables.
+	// The resolver.Builder is meant to be used in conjunction with the
+	// grpc.WithResolvers DialOption. The resolver.Builder does not take
+	// ownership of the provided xDS client and it is the responsibility of the
+	// caller to close the client when no longer required.
 	//
-	// TODO: Remove this function once the RLS env var is removed.
-	RegisterRLSClusterSpecifierPluginForTesting func()
-
-	// UnregisterRLSClusterSpecifierPluginForTesting unregisters the RLS Cluster
-	// Specifier Plugin for testing purposes. This is needed because there is no way
-	// to unregister the RLS Cluster Specifier Plugin after registering it solely
-	// for testing purposes using RegisterRLSClusterSpecifierPluginForTesting().
+	// Testing Only
 	//
-	// TODO: Remove this function once the RLS env var is removed.
-	UnregisterRLSClusterSpecifierPluginForTesting func()
+	// This function should ONLY be used for testing and may not work with some
+	// other features, including the CSDS service.
+	NewXDSResolverWithPoolForTesting any // func(*xdsclient.Pool) (resolver.Builder, error)
 
-	// RegisterRBACHTTPFilterForTesting registers the RBAC HTTP Filter for testing
-	// purposes, regardless of the RBAC environment variable.
+	// NewXDSResolverWithClientForTesting creates a new xDS resolver builder
+	// using the provided xDS client instead of creating a new one using the
+	// bootstrap configuration specified by the supported environment variables.
+	// The resolver.Builder is meant to be used in conjunction with the
+	// grpc.WithResolvers DialOption. The resolver.Builder does not take
+	// ownership of the provided xDS client and it is the responsibility of the
+	// caller to close the client when no longer required.
 	//
-	// TODO: Remove this function once the RBAC env var is removed.
-	RegisterRBACHTTPFilterForTesting func()
-
-	// UnregisterRBACHTTPFilterForTesting unregisters the RBAC HTTP Filter for
-	// testing purposes. This is needed because there is no way to unregister the
-	// HTTP Filter after registering it solely for testing purposes using
-	// RegisterRBACHTTPFilterForTesting().
+	// Testing Only
 	//
-	// TODO: Remove this function once the RBAC env var is removed.
-	UnregisterRBACHTTPFilterForTesting func()
+	// This function should ONLY be used for testing and may not work with some
+	// other features, including the CSDS service.
+	NewXDSResolverWithClientForTesting any // func(xdsclient.XDSClient) (resolver.Builder, error)
 
 	// ORCAAllowAnyMinReportingInterval is for examples/orca use ONLY.
 	ORCAAllowAnyMinReportingInterval any // func(so *orca.ServiceOptions)
 
 	// GRPCResolverSchemeExtraMetadata determines when gRPC will add extra
 	// metadata to RPCs.
-	GRPCResolverSchemeExtraMetadata string = "xds"
+	GRPCResolverSchemeExtraMetadata = "xds"
 
 	// EnterIdleModeForTesting gets the ClientConn to enter IDLE mode.
 	EnterIdleModeForTesting any // func(*grpc.ClientConn)
@@ -191,6 +195,8 @@ var (
 	// ExitIdleModeForTesting gets the ClientConn to exit IDLE mode.
 	ExitIdleModeForTesting any // func(*grpc.ClientConn) error
 
+	// ChannelzTurnOffForTesting disables the Channelz service for testing
+	// purposes.
 	ChannelzTurnOffForTesting func()
 
 	// TriggerXDSResourceNotFoundForTesting causes the provided xDS Client to
@@ -203,31 +209,42 @@ var (
 
 	// UserSetDefaultScheme is set to true if the user has overridden the
 	// default resolver scheme.
-	UserSetDefaultScheme bool = false
-
-	// ShuffleAddressListForTesting pseudo-randomizes the order of addresses.  n
-	// is the number of elements.  swap swaps the elements with indexes i and j.
-	ShuffleAddressListForTesting any // func(n int, swap func(i, j int))
-
-	// ConnectedAddress returns the connected address for a SubConnState. The
-	// address is only valid if the state is READY.
-	ConnectedAddress any // func (scs SubConnState) resolver.Address
-
-	// SetConnectedAddress sets the connected address for a SubConnState.
-	SetConnectedAddress any // func(scs *SubConnState, addr resolver.Address)
+	UserSetDefaultScheme = false
 
 	// SnapshotMetricRegistryForTesting snapshots the global data of the metric
 	// registry. Returns a cleanup function that sets the metric registry to its
 	// original state. Only called in testing functions.
 	SnapshotMetricRegistryForTesting func() func()
 
-	// SetDefaultBufferPoolForTesting updates the default buffer pool, for
-	// testing purposes.
-	SetDefaultBufferPoolForTesting any // func(mem.BufferPool)
-
 	// SetBufferPoolingThresholdForTesting updates the buffer pooling threshold, for
 	// testing purposes.
 	SetBufferPoolingThresholdForTesting any // func(int)
+
+	// TimeAfterFunc is used to create timers. During tests the function is
+	// replaced to track allocated timers and fail the test if a timer isn't
+	// cancelled.
+	TimeAfterFunc = func(d time.Duration, f func()) Timer {
+		return time.AfterFunc(d, f)
+	}
+
+	// NewStreamWaitingForResolver is a test hook that is triggered when a
+	// new stream blocks while waiting for name resolution. This can be
+	// used in tests to synchronize resolver updates and avoid race conditions.
+	// When set, the function will be called before the stream enters
+	// the blocking state.
+	NewStreamWaitingForResolver = func() {}
+
+	// AddressToTelemetryLabels is an xDS-provided function to extract telemetry
+	// labels from a resolver.Address. Callers must assert its type before calling.
+	AddressToTelemetryLabels any // func(addr resolver.Address) map[string]string
+
+	// AsyncReporterCleanupDelegate is initialized to a pass-through function by
+	// default (production behavior), allowing tests to swap it with an
+	// implementation which tracks registration of async reporter and its
+	// corresponding cleanup.
+	AsyncReporterCleanupDelegate = func(cleanup func()) func() {
+		return cleanup
+	}
 )
 
 // HealthChecker defines the signature of the client-side LB channel health
@@ -235,7 +252,7 @@ var (
 //
 // The implementation is expected to create a health checking RPC stream by
 // calling newStream(), watch for the health status of serviceName, and report
-// it's health back by calling setConnectivityState().
+// its health back by calling setConnectivityState().
 //
 // The health checking protocol is defined at:
 // https://github.com/grpc/grpc/blob/master/doc/health-checking.md
@@ -257,3 +274,27 @@ const (
 // It currently has an experimental suffix which would be removed once
 // end-to-end testing of the policy is completed.
 const RLSLoadBalancingPolicyName = "rls_experimental"
+
+// EnforceSubConnEmbedding is used to enforce proper SubConn implementation
+// embedding.
+type EnforceSubConnEmbedding interface {
+	enforceSubConnEmbedding()
+}
+
+// EnforceClientConnEmbedding is used to enforce proper ClientConn implementation
+// embedding.
+type EnforceClientConnEmbedding interface {
+	enforceClientConnEmbedding()
+}
+
+// Timer is an interface to allow injecting different time.Timer implementations
+// during tests.
+type Timer interface {
+	Stop() bool
+}
+
+// EnforceMetricsRecorderEmbedding is used to enforce proper MetricsRecorder
+// implementation embedding.
+type EnforceMetricsRecorderEmbedding interface {
+	enforceMetricsRecorderEmbedding()
+}
diff --git a/vendor/google.golang.org/grpc/internal/metadata/metadata.go b/vendor/google.golang.org/grpc/internal/metadata/metadata.go
index 900bfb71..c4055bc0 100644
--- a/vendor/google.golang.org/grpc/internal/metadata/metadata.go
+++ b/vendor/google.golang.org/grpc/internal/metadata/metadata.go
@@ -97,13 +97,11 @@ func hasNotPrintable(msg string) bool {
 	return false
 }
 
-// ValidatePair validate a key-value pair with the following rules (the pseudo-header will be skipped) :
-//
-// - key must contain one or more characters.
-// - the characters in the key must be contained in [0-9 a-z _ - .].
-// - if the key ends with a "-bin" suffix, no validation of the corresponding value is performed.
-// - the characters in the every value must be printable (in [%x20-%x7E]).
-func ValidatePair(key string, vals ...string) error {
+// ValidateKey validates a key with the following rules (pseudo-headers are
+// skipped):
+// - the key must contain one or more characters.
+// - the characters in the key must be in [0-9 a-z _ - .].
+func ValidateKey(key string) error {
 	// key should not be empty
 	if key == "" {
 		return fmt.Errorf("there is an empty key in the header")
@@ -119,6 +117,20 @@ func ValidatePair(key string, vals ...string) error {
 			return fmt.Errorf("header key %q contains illegal characters not in [0-9a-z-_.]", key)
 		}
 	}
+	return nil
+}
+
+// ValidatePair validates a key-value pair with the following rules
+// (pseudo-header are skipped):
+//   - the key must contain one or more characters.
+//   - the characters in the key must be in [0-9 a-z _ - .].
+//   - if the key ends with a "-bin" suffix, no validation of the corresponding
+//     value is performed.
+//   - the characters in every value must be printable (in [%x20-%x7E]).
+func ValidatePair(key string, vals ...string) error {
+	if err := ValidateKey(key); err != nil {
+		return err
+	}
 	if strings.HasSuffix(key, "-bin") {
 		return nil
 	}
diff --git a/vendor/google.golang.org/grpc/internal/proxyattributes/proxyattributes.go b/vendor/google.golang.org/grpc/internal/proxyattributes/proxyattributes.go
new file mode 100644
index 00000000..1f61f1a4
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/proxyattributes/proxyattributes.go
@@ -0,0 +1,54 @@
+/*
+ *
+ * Copyright 2024 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package proxyattributes contains functions for getting and setting proxy
+// attributes like the CONNECT address and user info.
+package proxyattributes
+
+import (
+	"net/url"
+
+	"google.golang.org/grpc/resolver"
+)
+
+type keyType string
+
+const proxyOptionsKey = keyType("grpc.resolver.delegatingresolver.proxyOptions")
+
+// Options holds the proxy connection details needed during the CONNECT
+// handshake.
+type Options struct {
+	User        *url.Userinfo
+	ConnectAddr string
+}
+
+// Set returns a copy of addr with opts set in its attributes.
+func Set(addr resolver.Address, opts Options) resolver.Address {
+	addr.Attributes = addr.Attributes.WithValue(proxyOptionsKey, opts)
+	return addr
+}
+
+// Get returns the Options for the proxy [resolver.Address] and a boolean
+// value representing if the attribute is present or not. The returned data
+// should not be mutated.
+func Get(addr resolver.Address) (Options, bool) {
+	if a := addr.Attributes.Value(proxyOptionsKey); a != nil {
+		return a.(Options), true
+	}
+	return Options{}, false
+}
diff --git a/vendor/google.golang.org/grpc/internal/resolver/delegatingresolver/delegatingresolver.go b/vendor/google.golang.org/grpc/internal/resolver/delegatingresolver/delegatingresolver.go
new file mode 100644
index 00000000..5bfa67b7
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/resolver/delegatingresolver/delegatingresolver.go
@@ -0,0 +1,477 @@
+/*
+ *
+ * Copyright 2024 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package delegatingresolver implements a resolver capable of resolving both
+// target URIs and proxy addresses.
+package delegatingresolver
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+	"net/url"
+	"sync"
+
+	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/internal/envconfig"
+	"google.golang.org/grpc/internal/proxyattributes"
+	"google.golang.org/grpc/internal/transport"
+	"google.golang.org/grpc/internal/transport/networktype"
+	"google.golang.org/grpc/resolver"
+	"google.golang.org/grpc/serviceconfig"
+)
+
+var (
+	logger = grpclog.Component("delegating-resolver")
+	// HTTPSProxyFromEnvironment will be overwritten in the tests
+	HTTPSProxyFromEnvironment = http.ProxyFromEnvironment
+)
+
+const defaultPort = "443"
+
+// delegatingResolver manages both target URI and proxy address resolution by
+// delegating these tasks to separate child resolvers. Essentially, it acts as
+// an intermediary between the gRPC ClientConn and the child resolvers.
+//
+// It implements the [resolver.Resolver] interface.
+type delegatingResolver struct {
+	target   resolver.Target     // parsed target URI to be resolved
+	cc       resolver.ClientConn // gRPC ClientConn
+	proxyURL *url.URL            // proxy URL, derived from proxy environment and target
+
+	// We do not hold both mu and childMu in the same goroutine. Avoid holding
+	// both locks when calling into the child, as the child resolver may
+	// synchronously callback into the channel.
+	mu                  sync.Mutex         // protects all the fields below
+	targetResolverState *resolver.State    // state of the target resolver
+	proxyAddrs          []resolver.Address // resolved proxy addresses; empty if no proxy is configured
+
+	// childMu serializes calls into child resolvers. It also protects access to
+	// the following fields.
+	childMu        sync.Mutex
+	targetResolver resolver.Resolver // resolver for the target URI, based on its scheme
+	proxyResolver  resolver.Resolver // resolver for the proxy URI; nil if no proxy is configured
+}
+
+// nopResolver is a resolver that does nothing.
+type nopResolver struct{}
+
+func (nopResolver) ResolveNow(resolver.ResolveNowOptions) {}
+
+func (nopResolver) Close() {}
+
+// proxyURLForTarget determines the proxy URL for the given address based on the
+// environment. It can return the following:
+//   - nil URL, nil error: No proxy is configured or the address is excluded
+//     using the `NO_PROXY` environment variable or if req.URL.Host is
+//     "localhost" (with or without // a port number)
+//   - nil URL, non-nil error: An error occurred while retrieving the proxy URL.
+//   - non-nil URL, nil error: A proxy is configured, and the proxy URL was
+//     retrieved successfully without any errors.
+func proxyURLForTarget(address string) (*url.URL, error) {
+	req := &http.Request{URL: &url.URL{
+		Scheme: "https",
+		Host:   address,
+	}}
+	return HTTPSProxyFromEnvironment(req)
+}
+
+// New creates a new delegating resolver that can create up to two child
+// resolvers:
+//   - one to resolve the proxy address specified using the supported
+//     environment variables. This uses the registered resolver for the "dns"
+//     scheme. It is lazily built when a target resolver update contains at least
+//     one TCP address.
+//   - one to resolve the target URI using the resolver specified by the scheme
+//     in the target URI or specified by the user using the WithResolvers dial
+//     option. As a special case, if the target URI's scheme is "dns" and a
+//     proxy is specified using the supported environment variables, the target
+//     URI's path portion is used as the resolved address unless target
+//     resolution is enabled using the dial option.
+func New(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOptions, targetResolverBuilder resolver.Builder, targetResolutionEnabled bool) (resolver.Resolver, error) {
+	r := &delegatingResolver{
+		target:         target,
+		cc:             cc,
+		proxyResolver:  nopResolver{},
+		targetResolver: nopResolver{},
+	}
+
+	addr := target.Endpoint()
+	var err error
+	if target.URL.Scheme == "dns" && !targetResolutionEnabled && envconfig.EnableDefaultPortForProxyTarget {
+		addr, err = parseTarget(addr)
+		if err != nil {
+			return nil, fmt.Errorf("delegating_resolver: invalid target address %q: %v", target.Endpoint(), err)
+		}
+	}
+
+	r.proxyURL, err = proxyURLForTarget(addr)
+	if err != nil {
+		return nil, fmt.Errorf("delegating_resolver: failed to determine proxy URL for target %q: %v", target, err)
+	}
+
+	// proxy is not configured or proxy address excluded using `NO_PROXY` env
+	// var, so only target resolver is used.
+	if r.proxyURL == nil {
+		return targetResolverBuilder.Build(target, cc, opts)
+	}
+
+	if logger.V(2) {
+		logger.Infof("Proxy URL detected : %s", r.proxyURL)
+	}
+
+	// Resolver updates from one child may trigger calls into the other. Block
+	// updates until the children are initialized.
+	r.childMu.Lock()
+	defer r.childMu.Unlock()
+	// When the scheme is 'dns' and target resolution on client is not enabled,
+	// resolution should be handled by the proxy, not the client. Therefore, we
+	// bypass the target resolver and store the unresolved target address.
+	if target.URL.Scheme == "dns" && !targetResolutionEnabled {
+		r.targetResolverState = &resolver.State{
+			Addresses: []resolver.Address{{Addr: addr}},
+			Endpoints: []resolver.Endpoint{{Addresses: []resolver.Address{{Addr: addr}}}},
+		}
+		r.updateTargetResolverState(*r.targetResolverState)
+		return r, nil
+	}
+	wcc := &wrappingClientConn{
+		stateListener: r.updateTargetResolverState,
+		parent:        r,
+	}
+	if r.targetResolver, err = targetResolverBuilder.Build(target, wcc, opts); err != nil {
+		return nil, fmt.Errorf("delegating_resolver: unable to build the resolver for target %s: %v", target, err)
+	}
+	return r, nil
+}
+
+// proxyURIResolver creates a resolver for resolving proxy URIs using the "dns"
+// scheme. It adjusts the proxyURL to conform to the "dns:///" format and builds
+// a resolver with a wrappingClientConn to capture resolved addresses.
+func (r *delegatingResolver) proxyURIResolver(opts resolver.BuildOptions) (resolver.Resolver, error) {
+	proxyBuilder := resolver.Get("dns")
+	if proxyBuilder == nil {
+		panic("delegating_resolver: resolver for proxy not found for scheme dns")
+	}
+	url := *r.proxyURL
+	url.Scheme = "dns"
+	url.Path = "/" + r.proxyURL.Host
+	url.Host = "" // Clear the Host field to conform to the "dns:///" format
+
+	proxyTarget := resolver.Target{URL: url}
+	wcc := &wrappingClientConn{
+		stateListener: r.updateProxyResolverState,
+		parent:        r,
+	}
+	return proxyBuilder.Build(proxyTarget, wcc, opts)
+}
+
+func (r *delegatingResolver) ResolveNow(o resolver.ResolveNowOptions) {
+	r.childMu.Lock()
+	defer r.childMu.Unlock()
+	r.targetResolver.ResolveNow(o)
+	r.proxyResolver.ResolveNow(o)
+}
+
+func (r *delegatingResolver) Close() {
+	r.childMu.Lock()
+	defer r.childMu.Unlock()
+	r.targetResolver.Close()
+	r.targetResolver = nil
+
+	r.proxyResolver.Close()
+	r.proxyResolver = nil
+}
+
+func needsProxyResolver(state *resolver.State) bool {
+	for _, addr := range state.Addresses {
+		if !skipProxy(addr) {
+			return true
+		}
+	}
+	for _, endpoint := range state.Endpoints {
+		for _, addr := range endpoint.Addresses {
+			if !skipProxy(addr) {
+				return true
+			}
+		}
+	}
+	return false
+}
+
+// parseTarget takes a target string and ensures it is a valid "host:port" target.
+//
+// It does the following:
+//  1. If the target already has a port (e.g., "host:port", "[ipv6]:port"),
+//     it is returned as is.
+//  2. If the host part is empty (e.g., ":80"), it defaults to "localhost",
+//     returning "localhost:80".
+//  3. If the target is missing a port (e.g., "host", "ipv6"), the defaultPort
+//     is added.
+//
+// An error is returned for empty targets or targets with a trailing colon
+// but no port (e.g., "host:").
+func parseTarget(target string) (string, error) {
+	if target == "" {
+		return "", fmt.Errorf("missing address")
+	}
+
+	host, port, err := net.SplitHostPort(target)
+	if err != nil {
+		// If SplitHostPort fails, it's likely because the port is missing.
+		// We append the default port and return the result.
+		return net.JoinHostPort(target, defaultPort), nil
+	}
+
+	// If SplitHostPort succeeds, we check for edge cases.
+	if port == "" {
+		// A success with an empty port means the target had a trailing colon,
+		// e.g., "host:", which is an error.
+		return "", fmt.Errorf("missing port after port-separator colon")
+	}
+	if host == "" {
+		// A success with an empty host means the target was like ":80".
+		// We default the host to "localhost".
+		host = "localhost"
+	}
+	return net.JoinHostPort(host, port), nil
+}
+
+func skipProxy(address resolver.Address) bool {
+	// Avoid proxy when network is not tcp.
+	networkType, ok := networktype.Get(address)
+	if !ok {
+		networkType, _ = transport.ParseDialTarget(address.Addr)
+	}
+	if networkType != "tcp" {
+		return true
+	}
+
+	req := &http.Request{URL: &url.URL{
+		Scheme: "https",
+		Host:   address.Addr,
+	}}
+	// Avoid proxy when address included in `NO_PROXY` environment variable or
+	// fails to get the proxy address.
+	url, err := HTTPSProxyFromEnvironment(req)
+	if err != nil || url == nil {
+		return true
+	}
+	return false
+}
+
+// updateClientConnStateLocked constructs a combined list of addresses by
+// pairing each proxy address with every target address of type TCP. For each
+// pair, it creates a new [resolver.Address] using the proxy address and
+// attaches the corresponding target address and user info as attributes. Target
+// addresses that are not of type TCP are appended to the list as-is. The
+// function returns nil if either resolver has not yet provided an update, and
+// returns the result of ClientConn.UpdateState once both resolvers have
+// provided at least one update.
+func (r *delegatingResolver) updateClientConnStateLocked() error {
+	if r.targetResolverState == nil || r.proxyAddrs == nil {
+		return nil
+	}
+
+	// If multiple resolved proxy addresses are present, we send only the
+	// unresolved proxy host and let net.Dial handle the proxy host name
+	// resolution when creating the transport. Sending all resolved addresses
+	// would increase the number of addresses passed to the ClientConn and
+	// subsequently to load balancing (LB) policies like Round Robin, leading
+	// to additional TCP connections. However, if there's only one resolved
+	// proxy address, we send it directly, as it doesn't affect the address
+	// count returned by the target resolver and the address count sent to the
+	// ClientConn.
+	var proxyAddr resolver.Address
+	if len(r.proxyAddrs) == 1 {
+		proxyAddr = r.proxyAddrs[0]
+	} else {
+		proxyAddr = resolver.Address{Addr: r.proxyURL.Host}
+	}
+	var addresses []resolver.Address
+	for _, targetAddr := range (*r.targetResolverState).Addresses {
+		if skipProxy(targetAddr) {
+			addresses = append(addresses, targetAddr)
+			continue
+		}
+		addresses = append(addresses, proxyattributes.Set(proxyAddr, proxyattributes.Options{
+			User:        r.proxyURL.User,
+			ConnectAddr: targetAddr.Addr,
+		}))
+	}
+
+	// For each target endpoint, construct a new [resolver.Endpoint] that
+	// includes all addresses from all proxy endpoints and the addresses from
+	// that target endpoint, preserving the number of target endpoints.
+	var endpoints []resolver.Endpoint
+	for _, endpt := range (*r.targetResolverState).Endpoints {
+		var addrs []resolver.Address
+		for _, targetAddr := range endpt.Addresses {
+			// Avoid proxy when network is not tcp.
+			if skipProxy(targetAddr) {
+				addrs = append(addrs, targetAddr)
+				continue
+			}
+			for _, proxyAddr := range r.proxyAddrs {
+				addrs = append(addrs, proxyattributes.Set(proxyAddr, proxyattributes.Options{
+					User:        r.proxyURL.User,
+					ConnectAddr: targetAddr.Addr,
+				}))
+			}
+		}
+		endpoints = append(endpoints, resolver.Endpoint{Addresses: addrs})
+	}
+	// Use the targetResolverState for its service config and attributes
+	// contents. The state update is only sent after both the target and proxy
+	// resolvers have sent their updates, and curState has been updated with the
+	// combined addresses.
+	curState := *r.targetResolverState
+	curState.Addresses = addresses
+	curState.Endpoints = endpoints
+	return r.cc.UpdateState(curState)
+}
+
+// updateProxyResolverState updates the proxy resolver state by storing proxy
+// addresses and endpoints, marking the resolver as ready, and triggering a
+// state update if both proxy and target resolvers are ready. If the ClientConn
+// returns a non-nil error, it calls `ResolveNow()` on the target resolver.  It
+// is a StateListener function of wrappingClientConn passed to the proxy
+// resolver.
+func (r *delegatingResolver) updateProxyResolverState(state resolver.State) error {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	if logger.V(2) {
+		logger.Infof("Addresses received from proxy resolver: %s", state.Addresses)
+	}
+	if len(state.Endpoints) > 0 {
+		// We expect exactly one address per endpoint because the proxy resolver
+		// uses "dns" resolution.
+		r.proxyAddrs = make([]resolver.Address, 0, len(state.Endpoints))
+		for _, endpoint := range state.Endpoints {
+			r.proxyAddrs = append(r.proxyAddrs, endpoint.Addresses...)
+		}
+	} else if state.Addresses != nil {
+		r.proxyAddrs = state.Addresses
+	} else {
+		r.proxyAddrs = []resolver.Address{} // ensure proxyAddrs is non-nil to indicate an update has been received
+	}
+	err := r.updateClientConnStateLocked()
+	// Another possible approach was to block until updates are received from
+	// both resolvers. But this is not used because calling `New()` triggers
+	// `Build()` for the first resolver, which calls `UpdateState()`. And the
+	// second resolver hasn't sent an update yet, so it would cause `New()` to
+	// block indefinitely.
+	if err != nil {
+		go func() {
+			r.childMu.Lock()
+			defer r.childMu.Unlock()
+			if r.targetResolver != nil {
+				r.targetResolver.ResolveNow(resolver.ResolveNowOptions{})
+			}
+		}()
+	}
+	return err
+}
+
+// updateTargetResolverState is the StateListener function provided to the
+// target resolver via wrappingClientConn. It updates the resolver state and
+// marks the target resolver as ready. If the update includes at least one TCP
+// address and the proxy resolver has not yet been constructed, it initializes
+// the proxy resolver. A combined state update is triggered once both resolvers
+// are ready. If all addresses are non-TCP, it proceeds without waiting for the
+// proxy resolver. If ClientConn.UpdateState returns a non-nil error,
+// ResolveNow() is called on the proxy resolver.
+func (r *delegatingResolver) updateTargetResolverState(state resolver.State) error {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+
+	if logger.V(2) {
+		logger.Infof("Addresses received from target resolver: %v", state.Addresses)
+	}
+	r.targetResolverState = &state
+	// If all addresses returned by the target resolver have a non-TCP network
+	// type, or are listed in the `NO_PROXY` environment variable, do not wait
+	// for proxy update.
+	if !needsProxyResolver(r.targetResolverState) {
+		return r.cc.UpdateState(*r.targetResolverState)
+	}
+
+	// The proxy resolver may be rebuilt multiple times, specifically each time
+	// the target resolver sends an update, even if the target resolver is built
+	// successfully but building the proxy resolver fails.
+	if len(r.proxyAddrs) == 0 {
+		go func() {
+			r.childMu.Lock()
+			defer r.childMu.Unlock()
+			if _, ok := r.proxyResolver.(nopResolver); !ok {
+				return
+			}
+			proxyResolver, err := r.proxyURIResolver(resolver.BuildOptions{})
+			if err != nil {
+				r.cc.ReportError(fmt.Errorf("delegating_resolver: unable to build the proxy resolver: %v", err))
+				return
+			}
+			r.proxyResolver = proxyResolver
+		}()
+	}
+
+	err := r.updateClientConnStateLocked()
+	if err != nil {
+		go func() {
+			r.childMu.Lock()
+			defer r.childMu.Unlock()
+			if r.proxyResolver != nil {
+				r.proxyResolver.ResolveNow(resolver.ResolveNowOptions{})
+			}
+		}()
+	}
+	return nil
+}
+
+// wrappingClientConn serves as an intermediary between the parent ClientConn
+// and the child resolvers created here. It implements the resolver.ClientConn
+// interface and is passed in that capacity to the child resolvers.
+type wrappingClientConn struct {
+	// Callback to deliver resolver state updates
+	stateListener func(state resolver.State) error
+	parent        *delegatingResolver
+}
+
+// UpdateState receives resolver state updates and forwards them to the
+// appropriate listener function (either for the proxy or target resolver).
+func (wcc *wrappingClientConn) UpdateState(state resolver.State) error {
+	return wcc.stateListener(state)
+}
+
+// ReportError intercepts errors from the child resolvers and passes them to
+// ClientConn.
+func (wcc *wrappingClientConn) ReportError(err error) {
+	wcc.parent.cc.ReportError(err)
+}
+
+// NewAddress intercepts the new resolved address from the child resolvers and
+// passes them to ClientConn.
+func (wcc *wrappingClientConn) NewAddress(addrs []resolver.Address) {
+	wcc.UpdateState(resolver.State{Addresses: addrs})
+}
+
+// ParseServiceConfig parses the provided service config and returns an object
+// that provides the parsed config.
+func (wcc *wrappingClientConn) ParseServiceConfig(serviceConfigJSON string) *serviceconfig.ParseResult {
+	return wcc.parent.cc.ParseServiceConfig(serviceConfigJSON)
+}
diff --git a/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go b/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go
index 4552db16..70b89e4d 100644
--- a/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go
+++ b/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go
@@ -24,8 +24,9 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"math/rand"
+	rand "math/rand/v2"
 	"net"
+	"net/netip"
 	"os"
 	"strconv"
 	"strings"
@@ -122,22 +123,25 @@ func (b *dnsBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts
 	}
 
 	// IP address.
-	if ipAddr, ok := formatIP(host); ok {
+	if ipAddr, err := formatIP(host); err == nil {
 		addr := []resolver.Address{{Addr: ipAddr + ":" + port}}
-		cc.UpdateState(resolver.State{Addresses: addr})
+		cc.UpdateState(resolver.State{
+			Addresses: addr,
+			Endpoints: []resolver.Endpoint{{Addresses: addr}},
+		})
 		return deadResolver{}, nil
 	}
 
 	// DNS address (non-IP).
 	ctx, cancel := context.WithCancel(context.Background())
 	d := &dnsResolver{
-		host:                 host,
-		port:                 port,
-		ctx:                  ctx,
-		cancel:               cancel,
-		cc:                   cc,
-		rn:                   make(chan struct{}, 1),
-		disableServiceConfig: opts.DisableServiceConfig,
+		host:                host,
+		port:                port,
+		ctx:                 ctx,
+		cancel:              cancel,
+		cc:                  cc,
+		rn:                  make(chan struct{}, 1),
+		enableServiceConfig: envconfig.EnableTXTServiceConfig && !opts.DisableServiceConfig,
 	}
 
 	d.resolver, err = internal.NewNetResolver(target.URL.Host)
@@ -177,11 +181,11 @@ type dnsResolver struct {
 	// finished. Otherwise, data race will be possible. [Race Example] in
 	// dns_resolver_test we replace the real lookup functions with mocked ones to
 	// facilitate testing. If Close() doesn't wait for watcher() goroutine
-	// finishes, race detector sometimes will warns lookup (READ the lookup
+	// finishes, race detector sometimes will warn lookup (READ the lookup
 	// function pointers) inside watcher() goroutine has data race with
 	// replaceNetFunc (WRITE the lookup function pointers).
-	wg                   sync.WaitGroup
-	disableServiceConfig bool
+	wg                  sync.WaitGroup
+	enableServiceConfig bool
 }
 
 // ResolveNow invoke an immediate resolution of the target that this
@@ -237,7 +241,9 @@ func (d *dnsResolver) watcher() {
 }
 
 func (d *dnsResolver) lookupSRV(ctx context.Context) ([]resolver.Address, error) {
-	if !EnableSRVLookups {
+	// Skip this particular host to avoid timeouts with some versions of
+	// systemd-resolved.
+	if !EnableSRVLookups || d.host == "metadata.google.internal." {
 		return nil, nil
 	}
 	var newAddrs []resolver.Address
@@ -258,9 +264,9 @@ func (d *dnsResolver) lookupSRV(ctx context.Context) ([]resolver.Address, error)
 			return nil, err
 		}
 		for _, a := range lbAddrs {
-			ip, ok := formatIP(a)
-			if !ok {
-				return nil, fmt.Errorf("dns: error parsing A record IP address %v", a)
+			ip, err := formatIP(a)
+			if err != nil {
+				return nil, fmt.Errorf("dns: error parsing A record IP address %v: %v", a, err)
 			}
 			addr := ip + ":" + strconv.Itoa(int(s.Port))
 			newAddrs = append(newAddrs, resolver.Address{Addr: addr, ServerName: s.Target})
@@ -320,9 +326,9 @@ func (d *dnsResolver) lookupHost(ctx context.Context) ([]resolver.Address, error
 	}
 	newAddrs := make([]resolver.Address, 0, len(addrs))
 	for _, a := range addrs {
-		ip, ok := formatIP(a)
-		if !ok {
-			return nil, fmt.Errorf("dns: error parsing A record IP address %v", a)
+		ip, err := formatIP(a)
+		if err != nil {
+			return nil, fmt.Errorf("dns: error parsing A record IP address %v: %v", a, err)
 		}
 		addr := ip + ":" + d.port
 		newAddrs = append(newAddrs, resolver.Address{Addr: addr})
@@ -339,29 +345,37 @@ func (d *dnsResolver) lookup() (*resolver.State, error) {
 		return nil, hostErr
 	}
 
-	state := resolver.State{Addresses: addrs}
+	eps := make([]resolver.Endpoint, 0, len(addrs))
+	for _, addr := range addrs {
+		eps = append(eps, resolver.Endpoint{Addresses: []resolver.Address{addr}})
+	}
+
+	state := resolver.State{
+		Addresses: addrs,
+		Endpoints: eps,
+	}
 	if len(srv) > 0 {
 		state = grpclbstate.Set(state, &grpclbstate.State{BalancerAddresses: srv})
 	}
-	if !d.disableServiceConfig {
+	if d.enableServiceConfig {
 		state.ServiceConfig = d.lookupTXT(ctx)
 	}
 	return &state, nil
 }
 
-// formatIP returns ok = false if addr is not a valid textual representation of
-// an IP address. If addr is an IPv4 address, return the addr and ok = true.
+// formatIP returns an error if addr is not a valid textual representation of
+// an IP address. If addr is an IPv4 address, return the addr and error = nil.
 // If addr is an IPv6 address, return the addr enclosed in square brackets and
-// ok = true.
-func formatIP(addr string) (addrIP string, ok bool) {
-	ip := net.ParseIP(addr)
-	if ip == nil {
-		return "", false
+// error = nil.
+func formatIP(addr string) (string, error) {
+	ip, err := netip.ParseAddr(addr)
+	if err != nil {
+		return "", err
 	}
-	if ip.To4() != nil {
-		return addr, true
+	if ip.Is4() {
+		return addr, nil
 	}
-	return "[" + addr + "]", true
+	return "[" + addr + "]", nil
 }
 
 // parseTarget takes the user input target string and default port, returns
@@ -377,7 +391,7 @@ func parseTarget(target, defaultPort string) (host, port string, err error) {
 	if target == "" {
 		return "", "", internal.ErrMissingAddr
 	}
-	if ip := net.ParseIP(target); ip != nil {
+	if _, err := netip.ParseAddr(target); err == nil {
 		// target is an IPv4 or IPv6(without brackets) address
 		return target, defaultPort, nil
 	}
@@ -425,7 +439,7 @@ func chosenByPercentage(a *int) bool {
 	if a == nil {
 		return true
 	}
-	return rand.Intn(100)+1 <= *a
+	return rand.IntN(100)+1 <= *a
 }
 
 func canaryingSC(js string) string {
diff --git a/vendor/google.golang.org/grpc/internal/resolver/passthrough/passthrough.go b/vendor/google.golang.org/grpc/internal/resolver/passthrough/passthrough.go
index afac5657..b901c7ba 100644
--- a/vendor/google.golang.org/grpc/internal/resolver/passthrough/passthrough.go
+++ b/vendor/google.golang.org/grpc/internal/resolver/passthrough/passthrough.go
@@ -55,7 +55,7 @@ func (r *passthroughResolver) start() {
 	r.cc.UpdateState(resolver.State{Addresses: []resolver.Address{{Addr: r.target.Endpoint()}}})
 }
 
-func (*passthroughResolver) ResolveNow(o resolver.ResolveNowOptions) {}
+func (*passthroughResolver) ResolveNow(resolver.ResolveNowOptions) {}
 
 func (*passthroughResolver) Close() {}
 
diff --git a/vendor/google.golang.org/grpc/internal/stats/metrics_recorder_list.go b/vendor/google.golang.org/grpc/internal/stats/metrics_recorder_list.go
index be110d41..1c8c2ab3 100644
--- a/vendor/google.golang.org/grpc/internal/stats/metrics_recorder_list.go
+++ b/vendor/google.golang.org/grpc/internal/stats/metrics_recorder_list.go
@@ -20,6 +20,7 @@ import (
 	"fmt"
 
 	estats "google.golang.org/grpc/experimental/stats"
+	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/stats"
 )
 
@@ -28,6 +29,7 @@ import (
 // It eats any record calls where the label values provided do not match the
 // number of label keys.
 type MetricsRecorderList struct {
+	internal.EnforceMetricsRecorderEmbedding
 	// metricsRecorders are the metrics recorders this list will forward to.
 	metricsRecorders []estats.MetricsRecorder
 }
@@ -54,6 +56,8 @@ func verifyLabels(desc *estats.MetricDescriptor, labelsRecv ...string) {
 	}
 }
 
+// RecordInt64Count records the measurement alongside labels on the int
+// count associated with the provided handle.
 func (l *MetricsRecorderList) RecordInt64Count(handle *estats.Int64CountHandle, incr int64, labels ...string) {
 	verifyLabels(handle.Descriptor(), labels...)
 
@@ -62,6 +66,18 @@ func (l *MetricsRecorderList) RecordInt64Count(handle *estats.Int64CountHandle,
 	}
 }
 
+// RecordInt64UpDownCount records the measurement alongside labels on the int
+// count associated with the provided handle.
+func (l *MetricsRecorderList) RecordInt64UpDownCount(handle *estats.Int64UpDownCountHandle, incr int64, labels ...string) {
+	verifyLabels(handle.Descriptor(), labels...)
+
+	for _, metricRecorder := range l.metricsRecorders {
+		metricRecorder.RecordInt64UpDownCount(handle, incr, labels...)
+	}
+}
+
+// RecordFloat64Count records the measurement alongside labels on the float
+// count associated with the provided handle.
 func (l *MetricsRecorderList) RecordFloat64Count(handle *estats.Float64CountHandle, incr float64, labels ...string) {
 	verifyLabels(handle.Descriptor(), labels...)
 
@@ -70,6 +86,8 @@ func (l *MetricsRecorderList) RecordFloat64Count(handle *estats.Float64CountHand
 	}
 }
 
+// RecordInt64Histo records the measurement alongside labels on the int
+// histo associated with the provided handle.
 func (l *MetricsRecorderList) RecordInt64Histo(handle *estats.Int64HistoHandle, incr int64, labels ...string) {
 	verifyLabels(handle.Descriptor(), labels...)
 
@@ -78,6 +96,8 @@ func (l *MetricsRecorderList) RecordInt64Histo(handle *estats.Int64HistoHandle,
 	}
 }
 
+// RecordFloat64Histo records the measurement alongside labels on the float
+// histo associated with the provided handle.
 func (l *MetricsRecorderList) RecordFloat64Histo(handle *estats.Float64HistoHandle, incr float64, labels ...string) {
 	verifyLabels(handle.Descriptor(), labels...)
 
@@ -86,6 +106,8 @@ func (l *MetricsRecorderList) RecordFloat64Histo(handle *estats.Float64HistoHand
 	}
 }
 
+// RecordInt64Gauge records the measurement alongside labels on the int
+// gauge associated with the provided handle.
 func (l *MetricsRecorderList) RecordInt64Gauge(handle *estats.Int64GaugeHandle, incr int64, labels ...string) {
 	verifyLabels(handle.Descriptor(), labels...)
 
@@ -93,3 +115,61 @@ func (l *MetricsRecorderList) RecordInt64Gauge(handle *estats.Int64GaugeHandle,
 		metricRecorder.RecordInt64Gauge(handle, incr, labels...)
 	}
 }
+
+// RegisterAsyncReporter forwards the registration to all underlying metrics
+// recorders.
+//
+// It returns a cleanup function that, when called, invokes the cleanup function
+// returned by each underlying recorder, ensuring the reporter is unregistered
+// from all of them.
+func (l *MetricsRecorderList) RegisterAsyncReporter(reporter estats.AsyncMetricReporter, metrics ...estats.AsyncMetric) func() {
+	descriptorsMap := make(map[*estats.MetricDescriptor]bool, len(metrics))
+	for _, m := range metrics {
+		descriptorsMap[m.Descriptor()] = true
+	}
+	unregisterFns := make([]func(), 0, len(l.metricsRecorders))
+	for _, mr := range l.metricsRecorders {
+		// Wrap the AsyncMetricsRecorder to intercept calls to RecordInt64Gauge
+		// and validate the labels.
+		wrappedCallback := func(recorder estats.AsyncMetricsRecorder) error {
+			wrappedRecorder := &asyncRecorderWrapper{
+				delegate:    recorder,
+				descriptors: descriptorsMap,
+			}
+			return reporter.Report(wrappedRecorder)
+		}
+		unregisterFns = append(unregisterFns, mr.RegisterAsyncReporter(estats.AsyncMetricReporterFunc(wrappedCallback), metrics...))
+	}
+
+	// Wrap the cleanup function using the internal delegate.
+	// In production, this returns realCleanup as-is.
+	// In tests, the leak checker can swap this to track the registration lifetime.
+	return internal.AsyncReporterCleanupDelegate(defaultCleanUp(unregisterFns))
+}
+
+func defaultCleanUp(unregisterFns []func()) func() {
+	return func() {
+		for _, unregister := range unregisterFns {
+			unregister()
+		}
+	}
+}
+
+type asyncRecorderWrapper struct {
+	delegate    estats.AsyncMetricsRecorder
+	descriptors map[*estats.MetricDescriptor]bool
+}
+
+// RecordIntAsync64Gauge records the measurement alongside labels on the int
+// gauge associated with the provided handle.
+func (w *asyncRecorderWrapper) RecordInt64AsyncGauge(handle *estats.Int64AsyncGaugeHandle, value int64, labels ...string) {
+	// Ensure only metrics for descriptors passed during callback registration
+	// are emitted.
+	d := handle.Descriptor()
+	if _, ok := w.descriptors[d]; !ok {
+		return
+	}
+	// Validate labels and delegate.
+	verifyLabels(d, labels...)
+	w.delegate.RecordInt64AsyncGauge(handle, value, labels...)
+}
diff --git a/vendor/google.golang.org/grpc/internal/stats/stats.go b/vendor/google.golang.org/grpc/internal/stats/stats.go
new file mode 100644
index 00000000..49019b80
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/stats/stats.go
@@ -0,0 +1,70 @@
+/*
+ *
+ * Copyright 2025 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package stats
+
+import (
+	"context"
+
+	"google.golang.org/grpc/stats"
+)
+
+type combinedHandler struct {
+	handlers []stats.Handler
+}
+
+// NewCombinedHandler combines multiple stats.Handlers into a single handler.
+//
+// It returns nil if no handlers are provided. If only one handler is
+// provided, it is returned directly without wrapping.
+func NewCombinedHandler(handlers ...stats.Handler) stats.Handler {
+	switch len(handlers) {
+	case 0:
+		return nil
+	case 1:
+		return handlers[0]
+	default:
+		return &combinedHandler{handlers: handlers}
+	}
+}
+
+func (ch *combinedHandler) TagRPC(ctx context.Context, info *stats.RPCTagInfo) context.Context {
+	for _, h := range ch.handlers {
+		ctx = h.TagRPC(ctx, info)
+	}
+	return ctx
+}
+
+func (ch *combinedHandler) HandleRPC(ctx context.Context, stats stats.RPCStats) {
+	for _, h := range ch.handlers {
+		h.HandleRPC(ctx, stats)
+	}
+}
+
+func (ch *combinedHandler) TagConn(ctx context.Context, info *stats.ConnTagInfo) context.Context {
+	for _, h := range ch.handlers {
+		ctx = h.TagConn(ctx, info)
+	}
+	return ctx
+}
+
+func (ch *combinedHandler) HandleConn(ctx context.Context, stats stats.ConnStats) {
+	for _, h := range ch.handlers {
+		h.HandleConn(ctx, stats)
+	}
+}
diff --git a/vendor/google.golang.org/grpc/internal/status/status.go b/vendor/google.golang.org/grpc/internal/status/status.go
index c7dbc820..aad171cd 100644
--- a/vendor/google.golang.org/grpc/internal/status/status.go
+++ b/vendor/google.golang.org/grpc/internal/status/status.go
@@ -138,17 +138,19 @@ func (s *Status) WithDetails(details ...protoadapt.MessageV1) (*Status, error) {
 	// s.Code() != OK implies that s.Proto() != nil.
 	p := s.Proto()
 	for _, detail := range details {
-		any, err := anypb.New(protoadapt.MessageV2Of(detail))
+		m, err := anypb.New(protoadapt.MessageV2Of(detail))
 		if err != nil {
 			return nil, err
 		}
-		p.Details = append(p.Details, any)
+		p.Details = append(p.Details, m)
 	}
 	return &Status{s: p}, nil
 }
 
 // Details returns a slice of details messages attached to the status.
 // If a detail cannot be decoded, the error is returned in place of the detail.
+// If the detail can be decoded, the proto message returned is of the same
+// type that was given to WithDetails().
 func (s *Status) Details() []any {
 	if s == nil || s.s == nil {
 		return nil
@@ -160,7 +162,38 @@ func (s *Status) Details() []any {
 			details = append(details, err)
 			continue
 		}
-		details = append(details, detail)
+		// The call to MessageV1Of is required to unwrap the proto message if
+		// it implemented only the MessageV1 API. The proto message would have
+		// been wrapped in a V2 wrapper in Status.WithDetails. V2 messages are
+		// added to a global registry used by any.UnmarshalNew().
+		// MessageV1Of has the following behaviour:
+		// 1. If the given message is a wrapped MessageV1, it returns the
+		//   unwrapped value.
+		// 2. If the given message already implements MessageV1, it returns it
+		//   as is.
+		// 3. Else, it wraps the MessageV2 in a MessageV1 wrapper.
+		//
+		// Since the Status.WithDetails() API only accepts MessageV1, calling
+		// MessageV1Of ensures we return the same type that was given to
+		// WithDetails:
+		// * If the give type implemented only MessageV1, the unwrapping from
+		//   point 1 above will restore the type.
+		// * If the given type implemented both MessageV1 and MessageV2, point 2
+		//   above will ensure no wrapping is performed.
+		// * If the given type implemented only MessageV2 and was wrapped using
+		//   MessageV1Of before passing to WithDetails(), it would be unwrapped
+		//   in WithDetails by calling MessageV2Of(). Point 3 above will ensure
+		//   that the type is wrapped in a MessageV1 wrapper again before
+		//   returning. Note that protoc-gen-go doesn't generate code which
+		//   implements ONLY MessageV2 at the time of writing.
+		//
+		// NOTE: Status details can also be added using the FromProto method.
+		// This could theoretically allow passing a Detail message that only
+		// implements the V2 API. In such a case the message will be wrapped in
+		// a MessageV1 wrapper when fetched using Details().
+		// Since protoc-gen-go generates only code that implements both V1 and
+		// V2 APIs for backward compatibility, this is not a concern.
+		details = append(details, protoadapt.MessageV1Of(detail))
 	}
 	return details
 }
@@ -203,3 +236,11 @@ func IsRestrictedControlPlaneCode(s *Status) bool {
 	}
 	return false
 }
+
+// RawStatusProto returns the internal protobuf message for use by gRPC itself.
+func RawStatusProto(s *Status) *spb.Status {
+	if s == nil {
+		return nil
+	}
+	return s.s
+}
diff --git a/vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go b/vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go
index 999f52cd..54c24c2f 100644
--- a/vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go
+++ b/vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go
@@ -58,20 +58,20 @@ func GetRusage() *Rusage {
 
 // CPUTimeDiff returns the differences of user CPU time and system CPU time used
 // between two Rusage structs. It a no-op function for non-linux environments.
-func CPUTimeDiff(first *Rusage, latest *Rusage) (float64, float64) {
+func CPUTimeDiff(*Rusage, *Rusage) (float64, float64) {
 	log()
 	return 0, 0
 }
 
 // SetTCPUserTimeout is a no-op function under non-linux environments.
-func SetTCPUserTimeout(conn net.Conn, timeout time.Duration) error {
+func SetTCPUserTimeout(net.Conn, time.Duration) error {
 	log()
 	return nil
 }
 
 // GetTCPUserTimeout is a no-op function under non-linux environments.
 // A negative return value indicates the operation is not supported
-func GetTCPUserTimeout(conn net.Conn) (int, error) {
+func GetTCPUserTimeout(net.Conn) (int, error) {
 	log()
 	return -1, nil
 }
diff --git a/vendor/google.golang.org/grpc/internal/transport/client_stream.go b/vendor/google.golang.org/grpc/internal/transport/client_stream.go
new file mode 100644
index 00000000..cd8152ef
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/transport/client_stream.go
@@ -0,0 +1,156 @@
+/*
+ *
+ * Copyright 2024 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package transport
+
+import (
+	"sync/atomic"
+
+	"golang.org/x/net/http2"
+	"google.golang.org/grpc/mem"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/stats"
+	"google.golang.org/grpc/status"
+)
+
+// ClientStream implements streaming functionality for a gRPC client.
+type ClientStream struct {
+	Stream // Embed for common stream functionality.
+
+	ct       *http2Client
+	done     chan struct{} // closed at the end of stream to unblock writers.
+	doneFunc func()        // invoked at the end of stream.
+
+	headerChan chan struct{} // closed to indicate the end of header metadata.
+	header     metadata.MD   // the received header metadata
+
+	status *status.Status // the status error received from the server
+
+	// Non-pointer fields are at the end to optimize GC allocations.
+
+	// headerValid indicates whether a valid header was received.  Only
+	// meaningful after headerChan is closed (always call waitOnHeader() before
+	// reading its value).
+	headerValid      bool
+	noHeaders        bool          // set if the client never received headers (set only after the stream is done).
+	headerChanClosed uint32        // set when headerChan is closed. Used to avoid closing headerChan multiple times.
+	bytesReceived    atomic.Bool   // indicates whether any bytes have been received on this stream
+	unprocessed      atomic.Bool   // set if the server sends a refused stream or GOAWAY including this stream
+	statsHandler     stats.Handler // nil for internal streams (e.g., health check, ORCA) where telemetry is not supported.
+}
+
+// Read reads an n byte message from the input stream.
+func (s *ClientStream) Read(n int) (mem.BufferSlice, error) {
+	b, err := s.Stream.read(n)
+	if err == nil {
+		s.ct.incrMsgRecv()
+	}
+	return b, err
+}
+
+// Close closes the stream and propagates err to any readers.
+func (s *ClientStream) Close(err error) {
+	var (
+		rst     bool
+		rstCode http2.ErrCode
+	)
+	if err != nil {
+		rst = true
+		rstCode = http2.ErrCodeCancel
+	}
+	s.ct.closeStream(s, err, rst, rstCode, status.Convert(err), nil, false)
+}
+
+// Write writes the hdr and data bytes to the output stream.
+func (s *ClientStream) Write(hdr []byte, data mem.BufferSlice, opts *WriteOptions) error {
+	return s.ct.write(s, hdr, data, opts)
+}
+
+// BytesReceived indicates whether any bytes have been received on this stream.
+func (s *ClientStream) BytesReceived() bool {
+	return s.bytesReceived.Load()
+}
+
+// Unprocessed indicates whether the server did not process this stream --
+// i.e. it sent a refused stream or GOAWAY including this stream ID.
+func (s *ClientStream) Unprocessed() bool {
+	return s.unprocessed.Load()
+}
+
+func (s *ClientStream) waitOnHeader() {
+	select {
+	case <-s.ctx.Done():
+		// Close the stream to prevent headers/trailers from changing after
+		// this function returns.
+		s.Close(ContextErr(s.ctx.Err()))
+		// headerChan could possibly not be closed yet if closeStream raced
+		// with operateHeaders; wait until it is closed explicitly here.
+		<-s.headerChan
+	case <-s.headerChan:
+	}
+}
+
+// RecvCompress returns the compression algorithm applied to the inbound
+// message. It is empty string if there is no compression applied.
+func (s *ClientStream) RecvCompress() string {
+	s.waitOnHeader()
+	return s.recvCompress
+}
+
+// Done returns a channel which is closed when it receives the final status
+// from the server.
+func (s *ClientStream) Done() <-chan struct{} {
+	return s.done
+}
+
+// Header returns the header metadata of the stream. Acquires the key-value
+// pairs of header metadata once it is available. It blocks until i) the
+// metadata is ready or ii) there is no header metadata or iii) the stream is
+// canceled/expired.
+func (s *ClientStream) Header() (metadata.MD, error) {
+	s.waitOnHeader()
+
+	if !s.headerValid || s.noHeaders {
+		return nil, s.status.Err()
+	}
+
+	return s.header.Copy(), nil
+}
+
+// TrailersOnly blocks until a header or trailers-only frame is received and
+// then returns true if the stream was trailers-only.  If the stream ends
+// before headers are received, returns true, nil.
+func (s *ClientStream) TrailersOnly() bool {
+	s.waitOnHeader()
+	return s.noHeaders
+}
+
+// Status returns the status received from the server.
+// Status can be read safely only after the stream has ended,
+// that is, after Done() is closed.
+func (s *ClientStream) Status() *status.Status {
+	return s.status
+}
+
+func (s *ClientStream) requestRead(n int) {
+	s.ct.adjustWindow(s, uint32(n))
+}
+
+func (s *ClientStream) updateWindow(n int) {
+	s.ct.updateWindow(s, uint32(n))
+}
diff --git a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go
index ea0633bb..7efa5247 100644
--- a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go
+++ b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go
@@ -24,22 +24,26 @@ import (
 	"fmt"
 	"net"
 	"runtime"
-	"strconv"
 	"sync"
 	"sync/atomic"
 
 	"golang.org/x/net/http2"
 	"golang.org/x/net/http2/hpack"
 	"google.golang.org/grpc/internal/grpclog"
-	"google.golang.org/grpc/internal/grpcutil"
 	"google.golang.org/grpc/mem"
-	"google.golang.org/grpc/status"
 )
 
 var updateHeaderTblSize = func(e *hpack.Encoder, v uint32) {
 	e.SetMaxDynamicTableSizeLimit(v)
 }
 
+// itemNodePool is used to reduce heap allocations.
+var itemNodePool = sync.Pool{
+	New: func() any {
+		return &itemNode{}
+	},
+}
+
 type itemNode struct {
 	it   any
 	next *itemNode
@@ -51,7 +55,9 @@ type itemList struct {
 }
 
 func (il *itemList) enqueue(i any) {
-	n := &itemNode{it: i}
+	n := itemNodePool.Get().(*itemNode)
+	n.next = nil
+	n.it = i
 	if il.tail == nil {
 		il.head, il.tail = n, n
 		return
@@ -71,7 +77,9 @@ func (il *itemList) dequeue() any {
 		return nil
 	}
 	i := il.head.it
+	temp := il.head
 	il.head = il.head.next
+	itemNodePool.Put(temp)
 	if il.head == nil {
 		il.tail = nil
 	}
@@ -136,20 +144,19 @@ type cleanupStream struct {
 func (c *cleanupStream) isTransportResponseFrame() bool { return c.rst } // Results in a RST_STREAM
 
 type earlyAbortStream struct {
-	httpStatus     uint32
-	streamID       uint32
-	contentSubtype string
-	status         *status.Status
-	rst            bool
+	streamID uint32
+	rst      bool
+	hf       []hpack.HeaderField // Pre-built header fields
 }
 
 func (*earlyAbortStream) isTransportResponseFrame() bool { return false }
 
 type dataFrame struct {
-	streamID  uint32
-	endStream bool
-	h         []byte
-	reader    mem.Reader
+	streamID   uint32
+	endStream  bool
+	h          []byte
+	data       mem.BufferSlice
+	processing bool
 	// onEachWrite is called every time
 	// a part of data is written out.
 	onEachWrite func()
@@ -234,6 +241,7 @@ type outStream struct {
 	itl              *itemList
 	bytesOutStanding int
 	wq               *writeQuota
+	reader           mem.Reader
 
 	next *outStream
 	prev *outStream
@@ -461,7 +469,9 @@ func (c *controlBuffer) finish() {
 				v.onOrphaned(ErrConnClosing)
 			}
 		case *dataFrame:
-			_ = v.reader.Close()
+			if !v.processing {
+				v.data.Free()
+			}
 		}
 	}
 
@@ -481,6 +491,16 @@ const (
 	serverSide
 )
 
+// maxWriteBufSize is the maximum length (number of elements) the cached
+// writeBuf can grow to. The length depends on the number of buffers
+// contained within the BufferSlice produced by the codec, which is
+// generally small.
+//
+// If a writeBuf larger than this limit is required, it will be allocated
+// and freed after use, rather than being cached. This avoids holding
+// on to large amounts of memory.
+const maxWriteBufSize = 64
+
 // Loopy receives frames from the control buffer.
 // Each frame is handled individually; most of the work done by loopy goes
 // into handling data frames. Loopy maintains a queue of active streams, and each
@@ -515,6 +535,8 @@ type loopyWriter struct {
 
 	// Side-specific handlers
 	ssGoAwayHandler func(*goAway) (bool, error)
+
+	writeBuf [][]byte // cached slice to avoid heap allocations for calls to mem.Reader.Peek.
 }
 
 func newLoopyWriter(s side, fr *framer, cbuf *controlBuffer, bdpEst *bdpEstimator, conn net.Conn, logger *grpclog.PrefixLogger, goAwayHandler func(*goAway) (bool, error), bufferPool mem.BufferPool) *loopyWriter {
@@ -790,10 +812,13 @@ func (l *loopyWriter) cleanupStreamHandler(c *cleanupStream) error {
 		// a RST_STREAM before stream initialization thus the stream might
 		// not be established yet.
 		delete(l.estdStreams, c.streamID)
+		str.reader.Close()
 		str.deleteSelf()
 		for head := str.itl.dequeueAll(); head != nil; head = head.next {
 			if df, ok := head.it.(*dataFrame); ok {
-				_ = df.reader.Close()
+				if !df.processing {
+					df.data.Free()
+				}
 			}
 		}
 	}
@@ -813,18 +838,7 @@ func (l *loopyWriter) earlyAbortStreamHandler(eas *earlyAbortStream) error {
 	if l.side == clientSide {
 		return errors.New("earlyAbortStream not handled on client")
 	}
-	// In case the caller forgets to set the http status, default to 200.
-	if eas.httpStatus == 0 {
-		eas.httpStatus = 200
-	}
-	headerFields := []hpack.HeaderField{
-		{Name: ":status", Value: strconv.Itoa(int(eas.httpStatus))},
-		{Name: "content-type", Value: grpcutil.ContentType(eas.contentSubtype)},
-		{Name: "grpc-status", Value: strconv.Itoa(int(eas.status.Code()))},
-		{Name: "grpc-message", Value: encodeGrpcMessage(eas.status.Message())},
-	}
-
-	if err := l.writeHeader(eas.streamID, true, headerFields, nil); err != nil {
+	if err := l.writeHeader(eas.streamID, true, eas.hf, nil); err != nil {
 		return err
 	}
 	if eas.rst {
@@ -928,7 +942,13 @@ func (l *loopyWriter) processData() (bool, error) {
 	if str == nil {
 		return true, nil
 	}
+	reader := &str.reader
 	dataItem := str.itl.peek().(*dataFrame) // Peek at the first data item this stream.
+	if !dataItem.processing {
+		dataItem.processing = true
+		reader.Reset(dataItem.data)
+		dataItem.data.Free()
+	}
 	// A data item is represented by a dataFrame, since it later translates into
 	// multiple HTTP2 data frames.
 	// Every dataFrame has two buffers; h that keeps grpc-message header and data
@@ -936,13 +956,13 @@ func (l *loopyWriter) processData() (bool, error) {
 	// from data is copied to h to make as big as the maximum possible HTTP2 frame
 	// size.
 
-	if len(dataItem.h) == 0 && dataItem.reader.Remaining() == 0 { // Empty data frame
+	if len(dataItem.h) == 0 && reader.Remaining() == 0 { // Empty data frame
 		// Client sends out empty data frame with endStream = true
-		if err := l.framer.fr.WriteData(dataItem.streamID, dataItem.endStream, nil); err != nil {
+		if err := l.framer.writeData(dataItem.streamID, dataItem.endStream, nil); err != nil {
 			return false, err
 		}
 		str.itl.dequeue() // remove the empty data item from stream
-		_ = dataItem.reader.Close()
+		reader.Close()
 		if str.itl.isEmpty() {
 			str.state = empty
 		} else if trailer, ok := str.itl.peek().(*headerFrame); ok { // the next item is trailers.
@@ -971,29 +991,24 @@ func (l *loopyWriter) processData() (bool, error) {
 	}
 	// Compute how much of the header and data we can send within quota and max frame length
 	hSize := min(maxSize, len(dataItem.h))
-	dSize := min(maxSize-hSize, dataItem.reader.Remaining())
-	remainingBytes := len(dataItem.h) + dataItem.reader.Remaining() - hSize - dSize
+	dSize := min(maxSize-hSize, reader.Remaining())
+	remainingBytes := len(dataItem.h) + reader.Remaining() - hSize - dSize
 	size := hSize + dSize
 
-	var buf *[]byte
-
-	if hSize != 0 && dSize == 0 {
-		buf = &dataItem.h
-	} else {
-		// Note: this is only necessary because the http2.Framer does not support
-		// partially writing a frame, so the sequence must be materialized into a buffer.
-		// TODO: Revisit once https://github.com/golang/go/issues/66655 is addressed.
-		pool := l.bufferPool
-		if pool == nil {
-			// Note that this is only supposed to be nil in tests. Otherwise, stream is
-			// always initialized with a BufferPool.
-			pool = mem.DefaultBufferPool()
+	l.writeBuf = l.writeBuf[:0]
+	if hSize > 0 {
+		l.writeBuf = append(l.writeBuf, dataItem.h[:hSize])
+	}
+	if dSize > 0 {
+		var err error
+		l.writeBuf, err = reader.Peek(dSize, l.writeBuf)
+		if err != nil {
+			// This must never happen since the reader must have at least dSize
+			// bytes.
+			// Log an error to fail tests.
+			l.logger.Errorf("unexpected error while reading Data frame payload: %v", err)
+			return false, err
 		}
-		buf = pool.Get(size)
-		defer pool.Put(buf)
-
-		copy((*buf)[:hSize], dataItem.h)
-		_, _ = dataItem.reader.Read((*buf)[hSize:])
 	}
 
 	// Now that outgoing flow controls are checked we can replenish str's write quota
@@ -1006,7 +1021,14 @@ func (l *loopyWriter) processData() (bool, error) {
 	if dataItem.onEachWrite != nil {
 		dataItem.onEachWrite()
 	}
-	if err := l.framer.fr.WriteData(dataItem.streamID, endStream, (*buf)[:size]); err != nil {
+	err := l.framer.writeData(dataItem.streamID, endStream, l.writeBuf)
+	reader.Discard(dSize)
+	if cap(l.writeBuf) > maxWriteBufSize {
+		l.writeBuf = nil
+	} else {
+		clear(l.writeBuf)
+	}
+	if err != nil {
 		return false, err
 	}
 	str.bytesOutStanding += size
@@ -1014,7 +1036,7 @@ func (l *loopyWriter) processData() (bool, error) {
 	dataItem.h = dataItem.h[hSize:]
 
 	if remainingBytes == 0 { // All the data from that message was written out.
-		_ = dataItem.reader.Close()
+		reader.Close()
 		str.itl.dequeue()
 	}
 	if str.itl.isEmpty() {
@@ -1033,10 +1055,3 @@ func (l *loopyWriter) processData() (bool, error) {
 	}
 	return false, nil
 }
-
-func min(a, b int) int {
-	if a < b {
-		return a
-	}
-	return b
-}
diff --git a/vendor/google.golang.org/grpc/internal/transport/flowcontrol.go b/vendor/google.golang.org/grpc/internal/transport/flowcontrol.go
index 97198c51..7cfbc963 100644
--- a/vendor/google.golang.org/grpc/internal/transport/flowcontrol.go
+++ b/vendor/google.golang.org/grpc/internal/transport/flowcontrol.go
@@ -28,7 +28,7 @@ import (
 // writeQuota is a soft limit on the amount of data a stream can
 // schedule before some of it is written out.
 type writeQuota struct {
-	quota int32
+	_ noCopy
 	// get waits on read from when quota goes less than or equal to zero.
 	// replenish writes on it when quota goes positive again.
 	ch chan struct{}
@@ -38,16 +38,17 @@ type writeQuota struct {
 	// It is implemented as a field so that it can be updated
 	// by tests.
 	replenish func(n int)
+	quota     int32
 }
 
-func newWriteQuota(sz int32, done <-chan struct{}) *writeQuota {
-	w := &writeQuota{
-		quota: sz,
-		ch:    make(chan struct{}, 1),
-		done:  done,
-	}
+// init allows a writeQuota to be initialized in-place, which is useful for
+// resetting a buffer or for avoiding a heap allocation when the buffer is
+// embedded in another struct.
+func (w *writeQuota) init(sz int32, done <-chan struct{}) {
+	w.quota = sz
+	w.ch = make(chan struct{}, 1)
+	w.done = done
 	w.replenish = w.realReplenish
-	return w
 }
 
 func (w *writeQuota) get(sz int32) error {
@@ -67,9 +68,9 @@ func (w *writeQuota) get(sz int32) error {
 
 func (w *writeQuota) realReplenish(n int) {
 	sz := int32(n)
-	a := atomic.AddInt32(&w.quota, sz)
-	b := a - sz
-	if b <= 0 && a > 0 {
+	newQuota := atomic.AddInt32(&w.quota, sz)
+	previousQuota := newQuota - sz
+	if previousQuota <= 0 && newQuota > 0 {
 		select {
 		case w.ch <- struct{}{}:
 		default:
@@ -92,14 +93,11 @@ func (f *trInFlow) newLimit(n uint32) uint32 {
 
 func (f *trInFlow) onData(n uint32) uint32 {
 	f.unacked += n
-	if f.unacked >= f.limit/4 {
-		w := f.unacked
-		f.unacked = 0
+	if f.unacked < f.limit/4 {
 		f.updateEffectiveWindowSize()
-		return w
+		return 0
 	}
-	f.updateEffectiveWindowSize()
-	return 0
+	return f.reset()
 }
 
 func (f *trInFlow) reset() uint32 {
diff --git a/vendor/google.golang.org/grpc/internal/transport/handler_server.go b/vendor/google.golang.org/grpc/internal/transport/handler_server.go
index e1cd86b2..7ab3422b 100644
--- a/vendor/google.golang.org/grpc/internal/transport/handler_server.go
+++ b/vendor/google.golang.org/grpc/internal/transport/handler_server.go
@@ -50,7 +50,7 @@ import (
 // NewServerHandlerTransport returns a ServerTransport handling gRPC from
 // inside an http.Handler, or writes an HTTP error to w and returns an error.
 // It requires that the http Server supports HTTP/2.
-func NewServerHandlerTransport(w http.ResponseWriter, r *http.Request, stats []stats.Handler, bufferPool mem.BufferPool) (ServerTransport, error) {
+func NewServerHandlerTransport(w http.ResponseWriter, r *http.Request, stats stats.Handler, bufferPool mem.BufferPool) (ServerTransport, error) {
 	if r.Method != http.MethodPost {
 		w.Header().Set("Allow", http.MethodPost)
 		msg := fmt.Sprintf("invalid gRPC request method %q", r.Method)
@@ -170,7 +170,7 @@ type serverHandlerTransport struct {
 	// TODO make sure this is consistent across handler_server and http2_server
 	contentSubtype string
 
-	stats  []stats.Handler
+	stats  stats.Handler
 	logger *grpclog.PrefixLogger
 
 	bufferPool mem.BufferPool
@@ -225,7 +225,7 @@ func (ht *serverHandlerTransport) do(fn func()) error {
 	}
 }
 
-func (ht *serverHandlerTransport) WriteStatus(s *Stream, st *status.Status) error {
+func (ht *serverHandlerTransport) writeStatus(s *ServerStream, st *status.Status) error {
 	ht.writeStatusMu.Lock()
 	defer ht.writeStatusMu.Unlock()
 
@@ -274,14 +274,14 @@ func (ht *serverHandlerTransport) WriteStatus(s *Stream, st *status.Status) erro
 		}
 	})
 
-	if err == nil { // transport has not been closed
+	if err == nil && ht.stats != nil { // transport has not been closed
 		// Note: The trailer fields are compressed with hpack after this call returns.
 		// No WireLength field is set here.
-		for _, sh := range ht.stats {
-			sh.HandleRPC(s.Context(), &stats.OutTrailer{
-				Trailer: s.trailer.Copy(),
-			})
-		}
+		s.hdrMu.Lock()
+		ht.stats.HandleRPC(s.Context(), &stats.OutTrailer{
+			Trailer: s.trailer.Copy(),
+		})
+		s.hdrMu.Unlock()
 	}
 	ht.Close(errors.New("finished writing status"))
 	return err
@@ -289,14 +289,14 @@ func (ht *serverHandlerTransport) WriteStatus(s *Stream, st *status.Status) erro
 
 // writePendingHeaders sets common and custom headers on the first
 // write call (Write, WriteHeader, or WriteStatus)
-func (ht *serverHandlerTransport) writePendingHeaders(s *Stream) {
+func (ht *serverHandlerTransport) writePendingHeaders(s *ServerStream) {
 	ht.writeCommonHeaders(s)
 	ht.writeCustomHeaders(s)
 }
 
 // writeCommonHeaders sets common headers on the first write
 // call (Write, WriteHeader, or WriteStatus).
-func (ht *serverHandlerTransport) writeCommonHeaders(s *Stream) {
+func (ht *serverHandlerTransport) writeCommonHeaders(s *ServerStream) {
 	h := ht.rw.Header()
 	h["Date"] = nil // suppress Date to make tests happy; TODO: restore
 	h.Set("Content-Type", ht.contentType)
@@ -317,7 +317,7 @@ func (ht *serverHandlerTransport) writeCommonHeaders(s *Stream) {
 
 // writeCustomHeaders sets custom headers set on the stream via SetHeader
 // on the first write call (Write, WriteHeader, or WriteStatus)
-func (ht *serverHandlerTransport) writeCustomHeaders(s *Stream) {
+func (ht *serverHandlerTransport) writeCustomHeaders(s *ServerStream) {
 	h := ht.rw.Header()
 
 	s.hdrMu.Lock()
@@ -333,7 +333,7 @@ func (ht *serverHandlerTransport) writeCustomHeaders(s *Stream) {
 	s.hdrMu.Unlock()
 }
 
-func (ht *serverHandlerTransport) Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *Options) error {
+func (ht *serverHandlerTransport) write(s *ServerStream, hdr []byte, data mem.BufferSlice, _ *WriteOptions) error {
 	// Always take a reference because otherwise there is no guarantee the data will
 	// be available after this function returns. This is what callers to Write
 	// expect.
@@ -357,7 +357,7 @@ func (ht *serverHandlerTransport) Write(s *Stream, hdr []byte, data mem.BufferSl
 	return nil
 }
 
-func (ht *serverHandlerTransport) WriteHeader(s *Stream, md metadata.MD) error {
+func (ht *serverHandlerTransport) writeHeader(s *ServerStream, md metadata.MD) error {
 	if err := s.SetHeader(md); err != nil {
 		return err
 	}
@@ -372,20 +372,24 @@ func (ht *serverHandlerTransport) WriteHeader(s *Stream, md metadata.MD) error {
 		ht.rw.(http.Flusher).Flush()
 	})
 
-	if err == nil {
-		for _, sh := range ht.stats {
-			// Note: The header fields are compressed with hpack after this call returns.
-			// No WireLength field is set here.
-			sh.HandleRPC(s.Context(), &stats.OutHeader{
-				Header:      md.Copy(),
-				Compression: s.sendCompress,
-			})
-		}
+	if err == nil && ht.stats != nil {
+		// Note: The header fields are compressed with hpack after this call returns.
+		// No WireLength field is set here.
+		ht.stats.HandleRPC(s.Context(), &stats.OutHeader{
+			Header:      md.Copy(),
+			Compression: s.sendCompress,
+		})
 	}
 	return err
 }
 
-func (ht *serverHandlerTransport) HandleStreams(ctx context.Context, startStream func(*Stream)) {
+func (ht *serverHandlerTransport) adjustWindow(*ServerStream, uint32) {
+}
+
+func (ht *serverHandlerTransport) updateWindow(*ServerStream, uint32) {
+}
+
+func (ht *serverHandlerTransport) HandleStreams(ctx context.Context, startStream func(*ServerStream)) {
 	// With this transport type there will be exactly 1 stream: this HTTP request.
 	var cancel context.CancelFunc
 	if ht.timeoutSet {
@@ -408,21 +412,23 @@ func (ht *serverHandlerTransport) HandleStreams(ctx context.Context, startStream
 
 	ctx = metadata.NewIncomingContext(ctx, ht.headerMD)
 	req := ht.req
-	s := &Stream{
-		id:               0, // irrelevant
-		ctx:              ctx,
-		requestRead:      func(int) {},
+	s := &ServerStream{
+		Stream: Stream{
+			id:             0, // irrelevant
+			ctx:            ctx,
+			method:         req.URL.Path,
+			recvCompress:   req.Header.Get("grpc-encoding"),
+			contentSubtype: ht.contentSubtype,
+		},
 		cancel:           cancel,
-		buf:              newRecvBuffer(),
 		st:               ht,
-		method:           req.URL.Path,
-		recvCompress:     req.Header.Get("grpc-encoding"),
-		contentSubtype:   ht.contentSubtype,
 		headerWireLength: 0, // won't have access to header wire length until golang/go#18997.
 	}
-	s.trReader = &transportReader{
-		reader:        &recvBufferReader{ctx: s.ctx, ctxDone: s.ctx.Done(), recv: s.buf},
-		windowHandler: func(int) {},
+	s.Stream.buf.init()
+	s.readRequester = s
+	s.trReader = transportReader{
+		reader:        recvBufferReader{ctx: s.ctx, ctxDone: s.ctx.Done(), recv: &s.buf},
+		windowHandler: s,
 	}
 
 	// readerDone is closed when the Body.Read-ing goroutine exits.
@@ -471,11 +477,9 @@ func (ht *serverHandlerTransport) runStream() {
 	}
 }
 
-func (ht *serverHandlerTransport) IncrMsgSent() {}
-
-func (ht *serverHandlerTransport) IncrMsgRecv() {}
+func (ht *serverHandlerTransport) incrMsgRecv() {}
 
-func (ht *serverHandlerTransport) Drain(debugData string) {
+func (ht *serverHandlerTransport) Drain(string) {
 	panic("Drain() is not implemented")
 }
 
@@ -498,5 +502,5 @@ func mapRecvMsgError(err error) error {
 	if strings.Contains(err.Error(), "body closed by handler") {
 		return status.Error(codes.Canceled, err.Error())
 	}
-	return connectionErrorf(true, err, err.Error())
+	return connectionErrorf(true, err, "%s", err.Error())
 }
diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_client.go b/vendor/google.golang.org/grpc/internal/transport/http2_client.go
index f46194fd..37b1acc3 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http2_client.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http2_client.go
@@ -43,6 +43,8 @@ import (
 	"google.golang.org/grpc/internal/grpcsync"
 	"google.golang.org/grpc/internal/grpcutil"
 	imetadata "google.golang.org/grpc/internal/metadata"
+	"google.golang.org/grpc/internal/proxyattributes"
+	istats "google.golang.org/grpc/internal/stats"
 	istatus "google.golang.org/grpc/internal/status"
 	isyscall "google.golang.org/grpc/internal/syscall"
 	"google.golang.org/grpc/internal/transport/networktype"
@@ -86,9 +88,9 @@ type http2Client struct {
 	writerDone chan struct{} // sync point to enable testing.
 	// goAway is closed to notify the upper layer (i.e., addrConn.transportMonitor)
 	// that the server sent GoAway on this transport.
-	goAway chan struct{}
-
-	framer *framer
+	goAway        chan struct{}
+	keepaliveDone chan struct{} // Closed when the keepalive goroutine exits.
+	framer        *framer
 	// controlBuf delivers all the control related tasks (e.g., window
 	// updates, reset streams, and various settings) to the controller.
 	// Do not access controlBuf with mu held.
@@ -104,7 +106,7 @@ type http2Client struct {
 	kp               keepalive.ClientParameters
 	keepaliveEnabled bool
 
-	statsHandlers []stats.Handler
+	statsHandler stats.Handler
 
 	initialWindowSize int32
 
@@ -123,7 +125,7 @@ type http2Client struct {
 	mu            sync.Mutex // guard the following variables
 	nextID        uint32
 	state         transportState
-	activeStreams map[uint32]*Stream
+	activeStreams map[uint32]*ClientStream
 	// prevGoAway ID records the Last-Stream-ID in the previous GOAway frame.
 	prevGoAwayID uint32
 	// goAwayReason records the http2.ErrCode and debug data received with the
@@ -153,7 +155,7 @@ type http2Client struct {
 	logger       *grpclog.PrefixLogger
 }
 
-func dial(ctx context.Context, fn func(context.Context, string) (net.Conn, error), addr resolver.Address, useProxy bool, grpcUA string) (net.Conn, error) {
+func dial(ctx context.Context, fn func(context.Context, string) (net.Conn, error), addr resolver.Address, grpcUA string) (net.Conn, error) {
 	address := addr.Addr
 	networkType, ok := networktype.Get(addr)
 	if fn != nil {
@@ -175,10 +177,10 @@ func dial(ctx context.Context, fn func(context.Context, string) (net.Conn, error
 		return fn(ctx, address)
 	}
 	if !ok {
-		networkType, address = parseDialTarget(address)
+		networkType, address = ParseDialTarget(address)
 	}
-	if networkType == "tcp" && useProxy {
-		return proxyDial(ctx, address, grpcUA)
+	if opts, present := proxyattributes.Get(addr); present {
+		return proxyDial(ctx, addr, grpcUA, opts)
 	}
 	return internal.NetDialerWithTCPKeepalive().DialContext(ctx, networkType, address)
 }
@@ -199,10 +201,10 @@ func isTemporary(err error) bool {
 	return true
 }
 
-// newHTTP2Client constructs a connected ClientTransport to addr based on HTTP2
+// NewHTTP2Client constructs a connected ClientTransport to addr based on HTTP2
 // and starts to receive messages on it. Non-nil error returns if construction
 // fails.
-func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts ConnectOptions, onClose func(GoAwayReason)) (_ *http2Client, err error) {
+func NewHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts ConnectOptions, onClose func(GoAwayReason)) (_ ClientTransport, err error) {
 	scheme := "http"
 	ctx, cancel := context.WithCancel(ctx)
 	defer func() {
@@ -217,7 +219,7 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
 	// address specific arbitrary data to reach custom dialers and credential handshakers.
 	connectCtx = icredentials.NewClientHandshakeInfoContext(connectCtx, credentials.ClientHandshakeInfo{Attributes: addr.Attributes})
 
-	conn, err := dial(connectCtx, opts.Dialer, addr, opts.UseProxy, opts.UserAgent)
+	conn, err := dial(connectCtx, opts.Dialer, addr, opts.UserAgent)
 	if err != nil {
 		if opts.FailOnNonTempDialError {
 			return nil, connectionErrorf(isTemporary(err), err, "transport: error while dialing: %v", err)
@@ -308,11 +310,9 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
 			scheme = "https"
 		}
 	}
-	dynamicWindow := true
 	icwz := int32(initialWindowSize)
 	if opts.InitialConnWindowSize >= defaultWindowSize {
 		icwz = opts.InitialConnWindowSize
-		dynamicWindow = false
 	}
 	writeBufSize := opts.WriteBufferSize
 	readBufSize := opts.ReadBufferSize
@@ -335,14 +335,15 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
 		readerDone:            make(chan struct{}),
 		writerDone:            make(chan struct{}),
 		goAway:                make(chan struct{}),
-		framer:                newFramer(conn, writeBufSize, readBufSize, opts.SharedWriteBuffer, maxHeaderListSize),
+		keepaliveDone:         make(chan struct{}),
+		framer:                newFramer(conn, writeBufSize, readBufSize, opts.SharedWriteBuffer, maxHeaderListSize, opts.BufferPool),
 		fc:                    &trInFlow{limit: uint32(icwz)},
 		scheme:                scheme,
-		activeStreams:         make(map[uint32]*Stream),
+		activeStreams:         make(map[uint32]*ClientStream),
 		isSecure:              isSecure,
 		perRPCCreds:           perRPCCreds,
 		kp:                    kp,
-		statsHandlers:         opts.StatsHandlers,
+		statsHandler:          istats.NewCombinedHandler(opts.StatsHandlers...),
 		initialWindowSize:     initialWindowSize,
 		nextID:                1,
 		maxConcurrentStreams:  defaultMaxStreamsClient,
@@ -369,7 +370,7 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
 		})
 	t.logger = prefixLoggerForClientTransport(t)
 	// Add peer information to the http2client context.
-	t.ctx = peer.NewContext(t.ctx, t.getPeer())
+	t.ctx = peer.NewContext(t.ctx, t.Peer())
 
 	if md, ok := addr.Metadata.(*metadata.MD); ok {
 		t.md = *md
@@ -379,23 +380,21 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
 	t.controlBuf = newControlBuffer(t.ctxDone)
 	if opts.InitialWindowSize >= defaultWindowSize {
 		t.initialWindowSize = opts.InitialWindowSize
-		dynamicWindow = false
 	}
-	if dynamicWindow {
+	if !opts.StaticWindowSize {
 		t.bdpEst = &bdpEstimator{
 			bdp:               initialWindowSize,
 			updateFlowControl: t.updateFlowControl,
 		}
 	}
-	for _, sh := range t.statsHandlers {
-		t.ctx = sh.TagConn(t.ctx, &stats.ConnTagInfo{
+	if t.statsHandler != nil {
+		t.ctx = t.statsHandler.TagConn(t.ctx, &stats.ConnTagInfo{
 			RemoteAddr: t.remoteAddr,
 			LocalAddr:  t.localAddr,
 		})
-		connBegin := &stats.ConnBegin{
+		t.statsHandler.HandleConn(t.ctx, &stats.ConnBegin{
 			Client: true,
-		}
-		sh.HandleConn(t.ctx, connBegin)
+		})
 	}
 	if t.keepaliveEnabled {
 		t.kpDormancyCond = sync.NewCond(&t.mu)
@@ -479,43 +478,40 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
 	return t, nil
 }
 
-func (t *http2Client) newStream(ctx context.Context, callHdr *CallHdr) *Stream {
+func (t *http2Client) newStream(ctx context.Context, callHdr *CallHdr, handler stats.Handler) *ClientStream {
 	// TODO(zhaoq): Handle uint32 overflow of Stream.id.
-	s := &Stream{
-		ct:             t,
-		done:           make(chan struct{}),
-		method:         callHdr.Method,
-		sendCompress:   callHdr.SendCompress,
-		buf:            newRecvBuffer(),
-		headerChan:     make(chan struct{}),
-		contentSubtype: callHdr.ContentSubtype,
-		doneFunc:       callHdr.DoneFunc,
-	}
-	s.wq = newWriteQuota(defaultWriteQuota, s.done)
-	s.requestRead = func(n int) {
-		t.adjustWindow(s, uint32(n))
-	}
+	s := &ClientStream{
+		Stream: Stream{
+			method:         callHdr.Method,
+			sendCompress:   callHdr.SendCompress,
+			contentSubtype: callHdr.ContentSubtype,
+		},
+		ct:           t,
+		done:         make(chan struct{}),
+		headerChan:   make(chan struct{}),
+		doneFunc:     callHdr.DoneFunc,
+		statsHandler: handler,
+	}
+	s.Stream.buf.init()
+	s.Stream.wq.init(defaultWriteQuota, s.done)
+	s.readRequester = s
 	// The client side stream context should have exactly the same life cycle with the user provided context.
 	// That means, s.ctx should be read-only. And s.ctx is done iff ctx is done.
 	// So we use the original context here instead of creating a copy.
 	s.ctx = ctx
-	s.trReader = &transportReader{
-		reader: &recvBufferReader{
-			ctx:     s.ctx,
-			ctxDone: s.ctx.Done(),
-			recv:    s.buf,
-			closeStream: func(err error) {
-				t.CloseStream(s, err)
-			},
-		},
-		windowHandler: func(n int) {
-			t.updateWindow(s, uint32(n))
+	s.trReader = transportReader{
+		reader: recvBufferReader{
+			ctx:          s.ctx,
+			ctxDone:      s.ctx.Done(),
+			recv:         &s.buf,
+			clientStream: s,
 		},
+		windowHandler: s,
 	}
 	return s
 }
 
-func (t *http2Client) getPeer() *peer.Peer {
+func (t *http2Client) Peer() *peer.Peer {
 	return &peer.Peer{
 		Addr:      t.remoteAddr,
 		AuthInfo:  t.authInfo, // Can be nil
@@ -527,8 +523,9 @@ func (t *http2Client) getPeer() *peer.Peer {
 // to be the last frame loopy writes to the transport.
 func (t *http2Client) outgoingGoAwayHandler(g *goAway) (bool, error) {
 	t.mu.Lock()
-	defer t.mu.Unlock()
-	if err := t.framer.fr.WriteGoAway(t.nextID-2, http2.ErrCodeNo, g.debugData); err != nil {
+	maxStreamID := t.nextID - 2
+	t.mu.Unlock()
+	if err := t.framer.fr.WriteGoAway(maxStreamID, http2.ErrCodeNo, g.debugData); err != nil {
 		return false, err
 	}
 	return false, g.closeConn
@@ -540,7 +537,7 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
 		Method:   callHdr.Method,
 		AuthInfo: t.authInfo,
 	}
-	ctxWithRequestInfo := icredentials.NewRequestInfoContext(ctx, ri)
+	ctxWithRequestInfo := credentials.NewContextWithRequestInfo(ctx, ri)
 	authData, err := t.getTrAuthData(ctxWithRequestInfo, aud)
 	if err != nil {
 		return nil, err
@@ -554,6 +551,22 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
 	// Make the slice of certain predictable size to reduce allocations made by append.
 	hfLen := 7 // :method, :scheme, :path, :authority, content-type, user-agent, te
 	hfLen += len(authData) + len(callAuthData)
+	registeredCompressors := t.registeredCompressors
+	if callHdr.AcceptedCompressors != nil {
+		registeredCompressors = *callHdr.AcceptedCompressors
+	}
+	if callHdr.PreviousAttempts > 0 {
+		hfLen++
+	}
+	if callHdr.SendCompress != "" {
+		hfLen++
+	}
+	if registeredCompressors != "" {
+		hfLen++
+	}
+	if _, ok := ctx.Deadline(); ok {
+		hfLen++
+	}
 	headerFields := make([]hpack.HeaderField, 0, hfLen)
 	headerFields = append(headerFields, hpack.HeaderField{Name: ":method", Value: "POST"})
 	headerFields = append(headerFields, hpack.HeaderField{Name: ":scheme", Value: t.scheme})
@@ -566,7 +579,6 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
 		headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-previous-rpc-attempts", Value: strconv.Itoa(callHdr.PreviousAttempts)})
 	}
 
-	registeredCompressors := t.registeredCompressors
 	if callHdr.SendCompress != "" {
 		headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-encoding", Value: callHdr.SendCompress})
 		// Include the outgoing compressor name when compressor is not registered
@@ -587,6 +599,9 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
 		// Send out timeout regardless its value. The server can detect timeout context by itself.
 		// TODO(mmukhi): Perhaps this field should be updated when actually writing out to the wire.
 		timeout := time.Until(dl)
+		if timeout <= 0 {
+			return nil, status.Error(codes.DeadlineExceeded, context.DeadlineExceeded.Error())
+		}
 		headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-timeout", Value: grpcutil.EncodeDuration(timeout)})
 	}
 	for k, v := range authData {
@@ -595,12 +610,6 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
 	for k, v := range callAuthData {
 		headerFields = append(headerFields, hpack.HeaderField{Name: k, Value: encodeMetadataHeader(k, v)})
 	}
-	if b := stats.OutgoingTags(ctx); b != nil {
-		headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-tags-bin", Value: encodeBinHeader(b)})
-	}
-	if b := stats.OutgoingTrace(ctx); b != nil {
-		headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-trace-bin", Value: encodeBinHeader(b)})
-	}
 
 	if md, added, ok := metadataFromOutgoingContextRaw(ctx); ok {
 		var k string
@@ -736,8 +745,8 @@ func (e NewStreamError) Error() string {
 
 // NewStream creates a stream and registers it into the transport as "active"
 // streams.  All non-nil errors returned will be *NewStreamError.
-func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, error) {
-	ctx = peer.NewContext(ctx, t.getPeer())
+func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr, handler stats.Handler) (*ClientStream, error) {
+	ctx = peer.NewContext(ctx, t.Peer())
 
 	// ServerName field of the resolver returned address takes precedence over
 	// Host field of CallHdr to determine the :authority header. This is because,
@@ -750,18 +759,37 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream,
 		callHdr = &newCallHdr
 	}
 
+	// The authority specified via the `CallAuthority` CallOption takes the
+	// highest precedence when determining the `:authority` header. It overrides
+	// any value present in the Host field of CallHdr. Before applying this
+	// override, the authority string is validated. If the credentials do not
+	// implement the AuthorityValidator interface, or if validation fails, the
+	// RPC is failed with a status code of `UNAVAILABLE`.
+	if callHdr.Authority != "" {
+		auth, ok := t.authInfo.(credentials.AuthorityValidator)
+		if !ok {
+			return nil, &NewStreamError{Err: status.Errorf(codes.Unavailable, "credentials type %q does not implement the AuthorityValidator interface, but authority override specified with CallAuthority call option", t.authInfo.AuthType())}
+		}
+		if err := auth.ValidateAuthority(callHdr.Authority); err != nil {
+			return nil, &NewStreamError{Err: status.Errorf(codes.Unavailable, "failed to validate authority %q : %v", callHdr.Authority, err)}
+		}
+		newCallHdr := *callHdr
+		newCallHdr.Host = callHdr.Authority
+		callHdr = &newCallHdr
+	}
+
 	headerFields, err := t.createHeaderFields(ctx, callHdr)
 	if err != nil {
 		return nil, &NewStreamError{Err: err, AllowTransparentRetry: false}
 	}
-	s := t.newStream(ctx, callHdr)
+	s := t.newStream(ctx, callHdr, handler)
 	cleanup := func(err error) {
 		if s.swapState(streamDone) == streamDone {
 			// If it was already done, return.
 			return
 		}
 		// The stream was unprocessed by the server.
-		atomic.StoreUint32(&s.unprocessed, 1)
+		s.unprocessed.Store(true)
 		s.write(recvMsg{err: err})
 		close(s.done)
 		// If headerChan isn't closed, then close it.
@@ -772,7 +800,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream,
 	hdr := &headerFrame{
 		hf:        headerFields,
 		endStream: false,
-		initStream: func(id uint32) error {
+		initStream: func(uint32) error {
 			t.mu.Lock()
 			// TODO: handle transport closure in loopy instead and remove this
 			// initStream is never called when transport is draining.
@@ -793,7 +821,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream,
 			return nil
 		},
 		onOrphaned: cleanup,
-		wq:         s.wq,
+		wq:         &s.wq,
 	}
 	firstTry := true
 	var ch chan struct{}
@@ -824,7 +852,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream,
 		transportDrainRequired = t.nextID > MaxStreamID
 
 		s.id = hdr.streamID
-		s.fc = &inFlow{limit: uint32(t.initialWindowSize)}
+		s.fc = inFlow{limit: uint32(t.initialWindowSize)}
 		t.activeStreams[s.id] = s
 		t.mu.Unlock()
 
@@ -875,27 +903,23 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream,
 			return nil, &NewStreamError{Err: ErrConnClosing, AllowTransparentRetry: true}
 		}
 	}
-	if len(t.statsHandlers) != 0 {
+	if s.statsHandler != nil {
 		header, ok := metadata.FromOutgoingContext(ctx)
 		if ok {
 			header.Set("user-agent", t.userAgent)
 		} else {
 			header = metadata.Pairs("user-agent", t.userAgent)
 		}
-		for _, sh := range t.statsHandlers {
-			// Note: The header fields are compressed with hpack after this call returns.
-			// No WireLength field is set here.
-			// Note: Creating a new stats object to prevent pollution.
-			outHeader := &stats.OutHeader{
-				Client:      true,
-				FullMethod:  callHdr.Method,
-				RemoteAddr:  t.remoteAddr,
-				LocalAddr:   t.localAddr,
-				Compression: callHdr.SendCompress,
-				Header:      header,
-			}
-			sh.HandleRPC(s.ctx, outHeader)
-		}
+		// Note: The header fields are compressed with hpack after this call returns.
+		// No WireLength field is set here.
+		s.statsHandler.HandleRPC(s.ctx, &stats.OutHeader{
+			Client:      true,
+			FullMethod:  callHdr.Method,
+			RemoteAddr:  t.remoteAddr,
+			LocalAddr:   t.localAddr,
+			Compression: callHdr.SendCompress,
+			Header:      header,
+		})
 	}
 	if transportDrainRequired {
 		if t.logger.V(logLevel) {
@@ -906,21 +930,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream,
 	return s, nil
 }
 
-// CloseStream clears the footprint of a stream when the stream is not needed any more.
-// This must not be executed in reader's goroutine.
-func (t *http2Client) CloseStream(s *Stream, err error) {
-	var (
-		rst     bool
-		rstCode http2.ErrCode
-	)
-	if err != nil {
-		rst = true
-		rstCode = http2.ErrCodeCancel
-	}
-	t.closeStream(s, err, rst, rstCode, status.Convert(err), nil, false)
-}
-
-func (t *http2Client) closeStream(s *Stream, err error, rst bool, rstCode http2.ErrCode, st *status.Status, mdata map[string][]string, eosReceived bool) {
+func (t *http2Client) closeStream(s *ClientStream, err error, rst bool, rstCode http2.ErrCode, st *status.Status, mdata map[string][]string, eosReceived bool) {
 	// Set stream status to done.
 	if s.swapState(streamDone) == streamDone {
 		// If it was already done, return.  If multiple closeStream calls
@@ -986,6 +996,9 @@ func (t *http2Client) closeStream(s *Stream, err error, rst bool, rstCode http2.
 // accessed anymore.
 func (t *http2Client) Close(err error) {
 	t.conn.SetWriteDeadline(time.Now().Add(time.Second * 10))
+	// For background on the deadline value chosen here, see
+	// https://github.com/grpc/grpc-go/issues/8425#issuecomment-3057938248 .
+	t.conn.SetReadDeadline(time.Now().Add(time.Second))
 	t.mu.Lock()
 	// Make sure we only close once.
 	if t.state == closing {
@@ -1008,6 +1021,9 @@ func (t *http2Client) Close(err error) {
 		// should unblock it so that the goroutine eventually exits.
 		t.kpDormancyCond.Signal()
 	}
+	// Append info about previous goaways if there were any, since this may be important
+	// for understanding the root cause for this connection to be closed.
+	goAwayDebugMessage := t.goAwayDebugMessage
 	t.mu.Unlock()
 
 	// Per HTTP/2 spec, a GOAWAY frame must be sent before closing the
@@ -1025,11 +1041,13 @@ func (t *http2Client) Close(err error) {
 	}
 	t.cancel()
 	t.conn.Close()
+	// Waits for the reader and keepalive goroutines to exit before returning to
+	// ensure all resources are cleaned up before Close can return.
+	<-t.readerDone
+	if t.keepaliveEnabled {
+		<-t.keepaliveDone
+	}
 	channelz.RemoveEntry(t.channelz.ID)
-	// Append info about previous goaways if there were any, since this may be important
-	// for understanding the root cause for this connection to be closed.
-	_, goAwayDebugMessage := t.GetGoAwayReason()
-
 	var st *status.Status
 	if len(goAwayDebugMessage) > 0 {
 		st = status.Newf(codes.Unavailable, "closing transport due to: %v, received prior goaway: %v", err, goAwayDebugMessage)
@@ -1042,11 +1060,10 @@ func (t *http2Client) Close(err error) {
 	for _, s := range streams {
 		t.closeStream(s, err, false, http2.ErrCodeNo, st, nil, false)
 	}
-	for _, sh := range t.statsHandlers {
-		connEnd := &stats.ConnEnd{
+	if t.statsHandler != nil {
+		t.statsHandler.HandleConn(t.ctx, &stats.ConnEnd{
 			Client: true,
-		}
-		sh.HandleConn(t.ctx, connEnd)
+		})
 	}
 }
 
@@ -1078,39 +1095,37 @@ func (t *http2Client) GracefulClose() {
 
 // Write formats the data into HTTP2 data frame(s) and sends it out. The caller
 // should proceed only if Write returns nil.
-func (t *http2Client) Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *Options) error {
-	reader := data.Reader()
-
+func (t *http2Client) write(s *ClientStream, hdr []byte, data mem.BufferSlice, opts *WriteOptions) error {
 	if opts.Last {
 		// If it's the last message, update stream state.
 		if !s.compareAndSwapState(streamActive, streamWriteDone) {
-			_ = reader.Close()
 			return errStreamDone
 		}
 	} else if s.getState() != streamActive {
-		_ = reader.Close()
 		return errStreamDone
 	}
 	df := &dataFrame{
 		streamID:  s.id,
 		endStream: opts.Last,
 		h:         hdr,
-		reader:    reader,
+		data:      data,
 	}
-	if hdr != nil || df.reader.Remaining() != 0 { // If it's not an empty data frame, check quota.
-		if err := s.wq.get(int32(len(hdr) + df.reader.Remaining())); err != nil {
-			_ = reader.Close()
+	dataLen := data.Len()
+	if hdr != nil || dataLen != 0 { // If it's not an empty data frame, check quota.
+		if err := s.wq.get(int32(len(hdr) + dataLen)); err != nil {
 			return err
 		}
 	}
+	data.Ref()
 	if err := t.controlBuf.put(df); err != nil {
-		_ = reader.Close()
+		data.Free()
 		return err
 	}
+	t.incrMsgSent()
 	return nil
 }
 
-func (t *http2Client) getStream(f http2.Frame) *Stream {
+func (t *http2Client) getStream(f http2.Frame) *ClientStream {
 	t.mu.Lock()
 	s := t.activeStreams[f.Header().StreamID]
 	t.mu.Unlock()
@@ -1120,7 +1135,7 @@ func (t *http2Client) getStream(f http2.Frame) *Stream {
 // adjustWindow sends out extra window update over the initial window size
 // of stream if the application is requesting data larger in size than
 // the window.
-func (t *http2Client) adjustWindow(s *Stream, n uint32) {
+func (t *http2Client) adjustWindow(s *ClientStream, n uint32) {
 	if w := s.fc.maybeAdjust(n); w > 0 {
 		t.controlBuf.put(&outgoingWindowUpdate{streamID: s.id, increment: w})
 	}
@@ -1129,7 +1144,7 @@ func (t *http2Client) adjustWindow(s *Stream, n uint32) {
 // updateWindow adjusts the inbound quota for the stream.
 // Window updates will be sent out when the cumulative quota
 // exceeds the corresponding threshold.
-func (t *http2Client) updateWindow(s *Stream, n uint32) {
+func (t *http2Client) updateWindow(s *ClientStream, n uint32) {
 	if w := s.fc.onRead(n); w > 0 {
 		t.controlBuf.put(&outgoingWindowUpdate{streamID: s.id, increment: w})
 	}
@@ -1159,7 +1174,7 @@ func (t *http2Client) updateFlowControl(n uint32) {
 	})
 }
 
-func (t *http2Client) handleData(f *http2.DataFrame) {
+func (t *http2Client) handleData(f *parsedDataFrame) {
 	size := f.Header().Length
 	var sendBDPPing bool
 	if t.bdpEst != nil {
@@ -1203,22 +1218,15 @@ func (t *http2Client) handleData(f *http2.DataFrame) {
 			t.closeStream(s, io.EOF, true, http2.ErrCodeFlowControl, status.New(codes.Internal, err.Error()), nil, false)
 			return
 		}
+		dataLen := f.data.Len()
 		if f.Header().Flags.Has(http2.FlagDataPadded) {
-			if w := s.fc.onRead(size - uint32(len(f.Data()))); w > 0 {
+			if w := s.fc.onRead(size - uint32(dataLen)); w > 0 {
 				t.controlBuf.put(&outgoingWindowUpdate{s.id, w})
 			}
 		}
-		// TODO(bradfitz, zhaoq): A copy is required here because there is no
-		// guarantee f.Data() is consumed before the arrival of next frame.
-		// Can this copy be eliminated?
-		if len(f.Data()) > 0 {
-			pool := t.bufferPool
-			if pool == nil {
-				// Note that this is only supposed to be nil in tests. Otherwise, stream is
-				// always initialized with a BufferPool.
-				pool = mem.DefaultBufferPool()
-			}
-			s.write(recvMsg{buffer: mem.Copy(f.Data(), pool)})
+		if dataLen > 0 {
+			f.data.Ref()
+			s.write(recvMsg{buffer: f.data})
 		}
 	}
 	// The server has closed the stream without sending trailers.  Record that
@@ -1235,7 +1243,7 @@ func (t *http2Client) handleRSTStream(f *http2.RSTStreamFrame) {
 	}
 	if f.ErrCode == http2.ErrCodeRefusedStream {
 		// The stream was unprocessed by the server.
-		atomic.StoreUint32(&s.unprocessed, 1)
+		s.unprocessed.Store(true)
 	}
 	statusCode, ok := http2ErrConvTab[f.ErrCode]
 	if !ok {
@@ -1251,7 +1259,8 @@ func (t *http2Client) handleRSTStream(f *http2.RSTStreamFrame) {
 			statusCode = codes.DeadlineExceeded
 		}
 	}
-	t.closeStream(s, io.EOF, false, http2.ErrCodeNo, status.Newf(statusCode, "stream terminated by RST_STREAM with error code: %v", f.ErrCode), nil, false)
+	st := status.Newf(statusCode, "stream terminated by RST_STREAM with error code: %v", f.ErrCode)
+	t.closeStream(s, st.Err(), false, http2.ErrCodeNo, st, nil, false)
 }
 
 func (t *http2Client) handleSettings(f *http2.SettingsFrame, isFirst bool) {
@@ -1316,11 +1325,11 @@ func (t *http2Client) handlePing(f *http2.PingFrame) {
 	t.controlBuf.put(pingAck)
 }
 
-func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
+func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) error {
 	t.mu.Lock()
 	if t.state == closing {
 		t.mu.Unlock()
-		return
+		return nil
 	}
 	if f.ErrCode == http2.ErrCodeEnhanceYourCalm && string(f.DebugData()) == "too_many_pings" {
 		// When a client receives a GOAWAY with error code ENHANCE_YOUR_CALM and debug
@@ -1332,8 +1341,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
 	id := f.LastStreamID
 	if id > 0 && id%2 == 0 {
 		t.mu.Unlock()
-		t.Close(connectionErrorf(true, nil, "received goaway with non-zero even-numbered stream id: %v", id))
-		return
+		return connectionErrorf(true, nil, "received goaway with non-zero even-numbered stream id: %v", id)
 	}
 	// A client can receive multiple GoAways from the server (see
 	// https://github.com/grpc/grpc-go/issues/1387).  The idea is that the first
@@ -1350,8 +1358,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
 		// If there are multiple GoAways the first one should always have an ID greater than the following ones.
 		if id > t.prevGoAwayID {
 			t.mu.Unlock()
-			t.Close(connectionErrorf(true, nil, "received goaway with stream id: %v, which exceeds stream id of previous goaway: %v", id, t.prevGoAwayID))
-			return
+			return connectionErrorf(true, nil, "received goaway with stream id: %v, which exceeds stream id of previous goaway: %v", id, t.prevGoAwayID)
 		}
 	default:
 		t.setGoAwayReason(f)
@@ -1375,15 +1382,14 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
 	t.prevGoAwayID = id
 	if len(t.activeStreams) == 0 {
 		t.mu.Unlock()
-		t.Close(connectionErrorf(true, nil, "received goaway and there are no active streams"))
-		return
+		return connectionErrorf(true, nil, "received goaway and there are no active streams")
 	}
 
-	streamsToClose := make([]*Stream, 0)
+	streamsToClose := make([]*ClientStream, 0)
 	for streamID, stream := range t.activeStreams {
 		if streamID > id && streamID <= upperLimit {
 			// The stream was unprocessed by the server.
-			atomic.StoreUint32(&stream.unprocessed, 1)
+			stream.unprocessed.Store(true)
 			streamsToClose = append(streamsToClose, stream)
 		}
 	}
@@ -1393,6 +1399,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
 	for _, stream := range streamsToClose {
 		t.closeStream(stream, errStreamDrain, false, http2.ErrCodeNo, statusGoAway, nil, false)
 	}
+	return nil
 }
 
 // setGoAwayReason sets the value of t.goAwayReason based
@@ -1401,8 +1408,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
 // the caller.
 func (t *http2Client) setGoAwayReason(f *http2.GoAwayFrame) {
 	t.goAwayReason = GoAwayNoReason
-	switch f.ErrCode {
-	case http2.ErrCodeEnhanceYourCalm:
+	if f.ErrCode == http2.ErrCodeEnhanceYourCalm {
 		if string(f.DebugData()) == "too_many_pings" {
 			t.goAwayReason = GoAwayTooManyPings
 		}
@@ -1434,7 +1440,7 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
 		return
 	}
 	endStream := frame.StreamEnded()
-	atomic.StoreUint32(&s.bytesReceived, 1)
+	s.bytesReceived.Store(true)
 	initialHeader := atomic.LoadUint32(&s.headerChanClosed) == 0
 
 	if !initialHeader && !endStream {
@@ -1460,17 +1466,14 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
 		contentTypeErr = "malformed header: missing HTTP content-type"
 		grpcMessage    string
 		recvCompress   string
-		httpStatusCode *int
 		httpStatusErr  string
-		rawStatusCode  = codes.Unknown
+		// the code from the grpc-status header, if present
+		grpcStatusCode = codes.Unknown
 		// headerError is set if an error is encountered while parsing the headers
 		headerError string
+		httpStatus  string
 	)
 
-	if initialHeader {
-		httpStatusErr = "malformed header: missing HTTP status"
-	}
-
 	for _, hf := range frame.Fields {
 		switch hf.Name {
 		case "content-type":
@@ -1486,35 +1489,15 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
 		case "grpc-status":
 			code, err := strconv.ParseInt(hf.Value, 10, 32)
 			if err != nil {
-				se := status.New(codes.Internal, fmt.Sprintf("transport: malformed grpc-status: %v", err))
+				se := status.New(codes.Unknown, fmt.Sprintf("transport: malformed grpc-status: %v", err))
 				t.closeStream(s, se.Err(), true, http2.ErrCodeProtocol, se, nil, endStream)
 				return
 			}
-			rawStatusCode = codes.Code(uint32(code))
+			grpcStatusCode = codes.Code(uint32(code))
 		case "grpc-message":
 			grpcMessage = decodeGrpcMessage(hf.Value)
 		case ":status":
-			if hf.Value == "200" {
-				httpStatusErr = ""
-				statusCode := 200
-				httpStatusCode = &statusCode
-				break
-			}
-
-			c, err := strconv.ParseInt(hf.Value, 10, 32)
-			if err != nil {
-				se := status.New(codes.Internal, fmt.Sprintf("transport: malformed http-status: %v", err))
-				t.closeStream(s, se.Err(), true, http2.ErrCodeProtocol, se, nil, endStream)
-				return
-			}
-			statusCode := int(c)
-			httpStatusCode = &statusCode
-
-			httpStatusErr = fmt.Sprintf(
-				"unexpected HTTP status code received from server: %d (%s)",
-				statusCode,
-				http.StatusText(statusCode),
-			)
+			httpStatus = hf.Value
 		default:
 			if isReservedHeader(hf.Name) && !isWhitelistedHeader(hf.Name) {
 				break
@@ -1529,25 +1512,52 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
 		}
 	}
 
-	if !isGRPC || httpStatusErr != "" {
-		var code = codes.Internal // when header does not include HTTP status, return INTERNAL
-
-		if httpStatusCode != nil {
+	// If a non-gRPC response is received, then evaluate the HTTP status to
+	// process the response and close the stream.
+	// In case http status doesn't provide any error information (status : 200),
+	// then evalute response code to be Unknown.
+	if !isGRPC {
+		var grpcErrorCode = codes.Internal
+		if httpStatus == "" {
+			httpStatusErr = "malformed header: missing HTTP status"
+		} else {
+			// Parse the status codes (e.g. "200", 404").
+			statusCode, err := strconv.Atoi(httpStatus)
+			if err != nil {
+				se := status.New(grpcErrorCode, fmt.Sprintf("transport: malformed http-status: %v", err))
+				t.closeStream(s, se.Err(), true, http2.ErrCodeProtocol, se, nil, endStream)
+				return
+			}
+			if statusCode >= 100 && statusCode < 200 {
+				if endStream {
+					se := status.New(codes.Internal, fmt.Sprintf(
+						"protocol error: informational header with status code %d must not have END_STREAM set", statusCode))
+					t.closeStream(s, se.Err(), true, http2.ErrCodeProtocol, se, nil, endStream)
+				}
+				// In case of informational headers, return.
+				return
+			}
+			httpStatusErr = fmt.Sprintf(
+				"unexpected HTTP status code received from server: %d (%s)",
+				statusCode,
+				http.StatusText(statusCode),
+			)
 			var ok bool
-			code, ok = HTTPStatusConvTab[*httpStatusCode]
+			grpcErrorCode, ok = HTTPStatusConvTab[statusCode]
 			if !ok {
-				code = codes.Unknown
+				grpcErrorCode = codes.Unknown
 			}
 		}
 		var errs []string
 		if httpStatusErr != "" {
 			errs = append(errs, httpStatusErr)
 		}
+
 		if contentTypeErr != "" {
 			errs = append(errs, contentTypeErr)
 		}
-		// Verify the HTTP response is a 200.
-		se := status.New(code, strings.Join(errs, "; "))
+
+		se := status.New(grpcErrorCode, strings.Join(errs, "; "))
 		t.closeStream(s, se.Err(), true, http2.ErrCodeProtocol, se, nil, endStream)
 		return
 	}
@@ -1578,22 +1588,20 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
 		}
 	}
 
-	for _, sh := range t.statsHandlers {
+	if s.statsHandler != nil {
 		if !endStream {
-			inHeader := &stats.InHeader{
+			s.statsHandler.HandleRPC(s.ctx, &stats.InHeader{
 				Client:      true,
 				WireLength:  int(frame.Header().Length),
 				Header:      metadata.MD(mdata).Copy(),
 				Compression: s.recvCompress,
-			}
-			sh.HandleRPC(s.ctx, inHeader)
+			})
 		} else {
-			inTrailer := &stats.InTrailer{
+			s.statsHandler.HandleRPC(s.ctx, &stats.InTrailer{
 				Client:     true,
 				WireLength: int(frame.Header().Length),
 				Trailer:    metadata.MD(mdata).Copy(),
-			}
-			sh.HandleRPC(s.ctx, inTrailer)
+			})
 		}
 	}
 
@@ -1601,7 +1609,7 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
 		return
 	}
 
-	status := istatus.NewWithProto(rawStatusCode, grpcMessage, mdata[grpcStatusDetailsBinHeader])
+	status := istatus.NewWithProto(grpcStatusCode, grpcMessage, mdata[grpcStatusDetailsBinHeader])
 
 	// If client received END_STREAM from server while stream was still active,
 	// send RST_STREAM.
@@ -1628,7 +1636,13 @@ func (t *http2Client) readServerPreface() error {
 // network connection.  If the server preface is not read successfully, an
 // error is pushed to errCh; otherwise errCh is closed with no error.
 func (t *http2Client) reader(errCh chan<- error) {
-	defer close(t.readerDone)
+	var errClose error
+	defer func() {
+		close(t.readerDone)
+		if errClose != nil {
+			t.Close(errClose)
+		}
+	}()
 
 	if err := t.readServerPreface(); err != nil {
 		errCh <- err
@@ -1642,7 +1656,7 @@ func (t *http2Client) reader(errCh chan<- error) {
 	// loop to keep reading incoming messages on this transport.
 	for {
 		t.controlBuf.throttle()
-		frame, err := t.framer.fr.ReadFrame()
+		frame, err := t.framer.readFrame()
 		if t.keepaliveEnabled {
 			atomic.StoreInt64(&t.lastRead, time.Now().UnixNano())
 		}
@@ -1657,7 +1671,7 @@ func (t *http2Client) reader(errCh chan<- error) {
 				if s != nil {
 					// use error detail to provide better err message
 					code := http2ErrConvTab[se.Code]
-					errorDetail := t.framer.fr.ErrorDetail()
+					errorDetail := t.framer.errorDetail()
 					var msg string
 					if errorDetail != nil {
 						msg = errorDetail.Error()
@@ -1667,17 +1681,17 @@ func (t *http2Client) reader(errCh chan<- error) {
 					t.closeStream(s, status.Error(code, msg), true, http2.ErrCodeProtocol, status.New(code, msg), nil, false)
 				}
 				continue
-			} else {
-				// Transport error.
-				t.Close(connectionErrorf(true, err, "error reading from server: %v", err))
-				return
 			}
+			// Transport error.
+			errClose = connectionErrorf(true, err, "error reading from server: %v", err)
+			return
 		}
 		switch frame := frame.(type) {
 		case *http2.MetaHeadersFrame:
 			t.operateHeaders(frame)
-		case *http2.DataFrame:
+		case *parsedDataFrame:
 			t.handleData(frame)
+			frame.data.Free()
 		case *http2.RSTStreamFrame:
 			t.handleRSTStream(frame)
 		case *http2.SettingsFrame:
@@ -1685,7 +1699,7 @@ func (t *http2Client) reader(errCh chan<- error) {
 		case *http2.PingFrame:
 			t.handlePing(frame)
 		case *http2.GoAwayFrame:
-			t.handleGoAway(frame)
+			errClose = t.handleGoAway(frame)
 		case *http2.WindowUpdateFrame:
 			t.handleWindowUpdate(frame)
 		default:
@@ -1696,15 +1710,15 @@ func (t *http2Client) reader(errCh chan<- error) {
 	}
 }
 
-func minTime(a, b time.Duration) time.Duration {
-	if a < b {
-		return a
-	}
-	return b
-}
-
 // keepalive running in a separate goroutine makes sure the connection is alive by sending pings.
 func (t *http2Client) keepalive() {
+	var err error
+	defer func() {
+		close(t.keepaliveDone)
+		if err != nil {
+			t.Close(err)
+		}
+	}()
 	p := &ping{data: [8]byte{}}
 	// True iff a ping has been sent, and no data has been received since then.
 	outstandingPing := false
@@ -1728,7 +1742,7 @@ func (t *http2Client) keepalive() {
 				continue
 			}
 			if outstandingPing && timeoutLeft <= 0 {
-				t.Close(connectionErrorf(true, nil, "keepalive ping failed to receive ACK within timeout"))
+				err = connectionErrorf(true, nil, "keepalive ping failed to receive ACK within timeout")
 				return
 			}
 			t.mu.Lock()
@@ -1770,7 +1784,7 @@ func (t *http2Client) keepalive() {
 			// timeoutLeft. This will ensure that we wait only for kp.Time
 			// before sending out the next ping (for cases where the ping is
 			// acked).
-			sleepDuration := minTime(t.kp.Time, timeoutLeft)
+			sleepDuration := min(t.kp.Time, timeoutLeft)
 			timeoutLeft -= sleepDuration
 			timer.Reset(sleepDuration)
 		case <-t.ctx.Done():
@@ -1797,16 +1811,18 @@ func (t *http2Client) socketMetrics() *channelz.EphemeralSocketMetrics {
 	}
 }
 
-func (t *http2Client) RemoteAddr() net.Addr { return t.remoteAddr }
-
-func (t *http2Client) IncrMsgSent() {
-	t.channelz.SocketMetrics.MessagesSent.Add(1)
-	t.channelz.SocketMetrics.LastMessageSentTimestamp.Store(time.Now().UnixNano())
+func (t *http2Client) incrMsgSent() {
+	if channelz.IsOn() {
+		t.channelz.SocketMetrics.MessagesSent.Add(1)
+		t.channelz.SocketMetrics.LastMessageSentTimestamp.Store(time.Now().UnixNano())
+	}
 }
 
-func (t *http2Client) IncrMsgRecv() {
-	t.channelz.SocketMetrics.MessagesReceived.Add(1)
-	t.channelz.SocketMetrics.LastMessageReceivedTimestamp.Store(time.Now().UnixNano())
+func (t *http2Client) incrMsgRecv() {
+	if channelz.IsOn() {
+		t.channelz.SocketMetrics.MessagesReceived.Add(1)
+		t.channelz.SocketMetrics.LastMessageReceivedTimestamp.Store(time.Now().UnixNano())
+	}
 }
 
 func (t *http2Client) getOutFlowWindow() int64 {
diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_server.go b/vendor/google.golang.org/grpc/internal/transport/http2_server.go
index f5163f77..a1a14e14 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http2_server.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http2_server.go
@@ -25,7 +25,7 @@ import (
 	"fmt"
 	"io"
 	"math"
-	"math/rand"
+	rand "math/rand/v2"
 	"net"
 	"net/http"
 	"strconv"
@@ -35,12 +35,15 @@ import (
 
 	"golang.org/x/net/http2"
 	"golang.org/x/net/http2/hpack"
+	"google.golang.org/protobuf/proto"
+
+	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/internal/grpclog"
 	"google.golang.org/grpc/internal/grpcutil"
 	"google.golang.org/grpc/internal/pretty"
+	istatus "google.golang.org/grpc/internal/status"
 	"google.golang.org/grpc/internal/syscall"
 	"google.golang.org/grpc/mem"
-	"google.golang.org/protobuf/proto"
 
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
@@ -84,7 +87,7 @@ type http2Server struct {
 	// updates, reset streams, and various settings) to the controller.
 	controlBuf *controlBuffer
 	fc         *trInFlow
-	stats      []stats.Handler
+	stats      stats.Handler
 	// Keepalive and max-age parameters for the server.
 	kp keepalive.ServerParameters
 	// Keepalive enforcement policy.
@@ -111,7 +114,7 @@ type http2Server struct {
 	// already initialized since draining is already underway.
 	drainEvent    *grpcsync.Event
 	state         transportState
-	activeStreams map[uint32]*Stream
+	activeStreams map[uint32]*ServerStream
 	// idle is the time instant when the connection went idle.
 	// This is either the beginning of the connection or when the number of
 	// RPCs go down to 0.
@@ -130,6 +133,10 @@ type http2Server struct {
 	maxStreamID uint32 // max stream ID ever seen
 
 	logger *grpclog.PrefixLogger
+	// setResetPingStrikes is stored as a closure instead of making this a
+	// method on http2Server to avoid a heap allocation when converting a method
+	// to a closure for passing to frames objects.
+	setResetPingStrikes func()
 }
 
 // NewServerTransport creates a http2 transport with conn and configuration
@@ -162,7 +169,7 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport,
 	if config.MaxHeaderListSize != nil {
 		maxHeaderListSize = *config.MaxHeaderListSize
 	}
-	framer := newFramer(conn, writeBufSize, readBufSize, config.SharedWriteBuffer, maxHeaderListSize)
+	framer := newFramer(conn, writeBufSize, readBufSize, config.SharedWriteBuffer, maxHeaderListSize, config.BufferPool)
 	// Send initial settings as connection preface to client.
 	isettings := []http2.Setting{{
 		ID:  http2.SettingMaxFrameSize,
@@ -174,16 +181,13 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport,
 			Val: config.MaxStreams,
 		})
 	}
-	dynamicWindow := true
 	iwz := int32(initialWindowSize)
 	if config.InitialWindowSize >= defaultWindowSize {
 		iwz = config.InitialWindowSize
-		dynamicWindow = false
 	}
 	icwz := int32(initialWindowSize)
 	if config.InitialConnWindowSize >= defaultWindowSize {
 		icwz = config.InitialConnWindowSize
-		dynamicWindow = false
 	}
 	if iwz != defaultWindowSize {
 		isettings = append(isettings, http2.Setting{
@@ -256,14 +260,17 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport,
 		inTapHandle:       config.InTapHandle,
 		fc:                &trInFlow{limit: uint32(icwz)},
 		state:             reachable,
-		activeStreams:     make(map[uint32]*Stream),
-		stats:             config.StatsHandlers,
+		activeStreams:     make(map[uint32]*ServerStream),
+		stats:             config.StatsHandler,
 		kp:                kp,
 		idle:              time.Now(),
 		kep:               kep,
 		initialWindowSize: iwz,
 		bufferPool:        config.BufferPool,
 	}
+	t.setResetPingStrikes = func() {
+		atomic.StoreUint32(&t.resetPingStrikes, 1)
+	}
 	var czSecurity credentials.ChannelzSecurityValue
 	if au, ok := authInfo.(credentials.ChannelzSecurityInfo); ok {
 		czSecurity = au.GetSecurityValue()
@@ -283,7 +290,7 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport,
 	t.logger = prefixLoggerForServerTransport(t)
 
 	t.controlBuf = newControlBuffer(t.done)
-	if dynamicWindow {
+	if !config.StaticWindowSize {
 		t.bdpEst = &bdpEstimator{
 			bdp:               initialWindowSize,
 			updateFlowControl: t.updateFlowControl,
@@ -359,7 +366,7 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport,
 
 // operateHeaders takes action on the decoded headers. Returns an error if fatal
 // error encountered and transport needs to close, otherwise returns nil.
-func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeadersFrame, handle func(*Stream)) error {
+func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeadersFrame, handle func(*ServerStream)) error {
 	// Acquire max stream ID lock for entire duration
 	t.maxStreamMu.Lock()
 	defer t.maxStreamMu.Unlock()
@@ -384,14 +391,15 @@ func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeade
 	}
 	t.maxStreamID = streamID
 
-	buf := newRecvBuffer()
-	s := &Stream{
-		id:               streamID,
+	s := &ServerStream{
+		Stream: Stream{
+			id: streamID,
+			fc: inFlow{limit: uint32(t.initialWindowSize)},
+		},
 		st:               t,
-		buf:              buf,
-		fc:               &inFlow{limit: uint32(t.initialWindowSize)},
 		headerWireLength: int(frame.Header().Length),
 	}
+	s.Stream.buf.init()
 	var (
 		// if false, content-type was missing or invalid
 		isGRPC      = false
@@ -471,13 +479,7 @@ func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeade
 		if t.logger.V(logLevel) {
 			t.logger.Infof("Aborting the stream early: %v", errMsg)
 		}
-		t.controlBuf.put(&earlyAbortStream{
-			httpStatus:     http.StatusBadRequest,
-			streamID:       streamID,
-			contentSubtype: s.contentSubtype,
-			status:         status.New(codes.Internal, errMsg),
-			rst:            !frame.StreamEnded(),
-		})
+		t.writeEarlyAbort(streamID, s.contentSubtype, status.New(codes.Internal, errMsg), http.StatusBadRequest, !frame.StreamEnded())
 		return nil
 	}
 
@@ -491,23 +493,11 @@ func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeade
 		return nil
 	}
 	if !isGRPC {
-		t.controlBuf.put(&earlyAbortStream{
-			httpStatus:     http.StatusUnsupportedMediaType,
-			streamID:       streamID,
-			contentSubtype: s.contentSubtype,
-			status:         status.Newf(codes.InvalidArgument, "invalid gRPC request content-type %q", contentType),
-			rst:            !frame.StreamEnded(),
-		})
+		t.writeEarlyAbort(streamID, s.contentSubtype, status.Newf(codes.InvalidArgument, "invalid gRPC request content-type %q", contentType), http.StatusUnsupportedMediaType, !frame.StreamEnded())
 		return nil
 	}
 	if headerError != nil {
-		t.controlBuf.put(&earlyAbortStream{
-			httpStatus:     http.StatusBadRequest,
-			streamID:       streamID,
-			contentSubtype: s.contentSubtype,
-			status:         headerError,
-			rst:            !frame.StreamEnded(),
-		})
+		t.writeEarlyAbort(streamID, s.contentSubtype, headerError, http.StatusBadRequest, !frame.StreamEnded())
 		return nil
 	}
 
@@ -537,12 +527,6 @@ func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeade
 	// Attach the received metadata to the context.
 	if len(mdata) > 0 {
 		s.ctx = metadata.NewIncomingContext(s.ctx, mdata)
-		if statsTags := mdata["grpc-tags-bin"]; len(statsTags) > 0 {
-			s.ctx = stats.SetIncomingTags(s.ctx, []byte(statsTags[len(statsTags)-1]))
-		}
-		if statsTrace := mdata["grpc-trace-bin"]; len(statsTrace) > 0 {
-			s.ctx = stats.SetIncomingTrace(s.ctx, []byte(statsTrace[len(statsTrace)-1]))
-		}
 	}
 	t.mu.Lock()
 	if t.state != reachable {
@@ -567,13 +551,7 @@ func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeade
 		if t.logger.V(logLevel) {
 			t.logger.Infof("Aborting the stream early: %v", errMsg)
 		}
-		t.controlBuf.put(&earlyAbortStream{
-			httpStatus:     405,
-			streamID:       streamID,
-			contentSubtype: s.contentSubtype,
-			status:         status.New(codes.Internal, errMsg),
-			rst:            !frame.StreamEnded(),
-		})
+		t.writeEarlyAbort(streamID, s.contentSubtype, status.New(codes.Internal, errMsg), http.StatusMethodNotAllowed, !frame.StreamEnded())
 		s.cancel()
 		return nil
 	}
@@ -588,44 +566,60 @@ func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeade
 			if !ok {
 				stat = status.New(codes.PermissionDenied, err.Error())
 			}
-			t.controlBuf.put(&earlyAbortStream{
-				httpStatus:     200,
-				streamID:       s.id,
-				contentSubtype: s.contentSubtype,
-				status:         stat,
-				rst:            !frame.StreamEnded(),
-			})
+			t.writeEarlyAbort(s.id, s.contentSubtype, stat, http.StatusOK, !frame.StreamEnded())
 			return nil
 		}
 	}
+
+	if s.ctx.Err() != nil {
+		t.mu.Unlock()
+		st := status.New(codes.DeadlineExceeded, context.DeadlineExceeded.Error())
+		// Early abort in case the timeout was zero or so low it already fired.
+		t.writeEarlyAbort(s.id, s.contentSubtype, st, http.StatusOK, !frame.StreamEnded())
+		return nil
+	}
+
 	t.activeStreams[streamID] = s
 	if len(t.activeStreams) == 1 {
 		t.idle = time.Time{}
 	}
+
+	// Start a timer to close the stream on reaching the deadline.
+	if timeoutSet {
+		// We need to wait for s.cancel to be updated before calling
+		// t.closeStream to avoid data races.
+		cancelUpdated := make(chan struct{})
+		timer := internal.TimeAfterFunc(timeout, func() {
+			<-cancelUpdated
+			t.closeStream(s, true, http2.ErrCodeCancel, false)
+		})
+		oldCancel := s.cancel
+		s.cancel = func() {
+			oldCancel()
+			timer.Stop()
+		}
+		close(cancelUpdated)
+	}
 	t.mu.Unlock()
 	if channelz.IsOn() {
 		t.channelz.SocketMetrics.StreamsStarted.Add(1)
 		t.channelz.SocketMetrics.LastRemoteStreamCreatedTimestamp.Store(time.Now().UnixNano())
 	}
-	s.requestRead = func(n int) {
-		t.adjustWindow(s, uint32(n))
-	}
+	s.readRequester = s
 	s.ctxDone = s.ctx.Done()
-	s.wq = newWriteQuota(defaultWriteQuota, s.ctxDone)
-	s.trReader = &transportReader{
-		reader: &recvBufferReader{
+	s.Stream.wq.init(defaultWriteQuota, s.ctxDone)
+	s.trReader = transportReader{
+		reader: recvBufferReader{
 			ctx:     s.ctx,
 			ctxDone: s.ctxDone,
-			recv:    s.buf,
-		},
-		windowHandler: func(n int) {
-			t.updateWindow(s, uint32(n))
+			recv:    &s.buf,
 		},
+		windowHandler: s,
 	}
 	// Register the stream with loopy.
 	t.controlBuf.put(&registerStream{
 		streamID: s.id,
-		wq:       s.wq,
+		wq:       &s.wq,
 	})
 	handle(s)
 	return nil
@@ -634,14 +628,14 @@ func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeade
 // HandleStreams receives incoming streams using the given handler. This is
 // typically run in a separate goroutine.
 // traceCtx attaches trace to ctx and returns the new context.
-func (t *http2Server) HandleStreams(ctx context.Context, handle func(*Stream)) {
+func (t *http2Server) HandleStreams(ctx context.Context, handle func(*ServerStream)) {
 	defer func() {
 		close(t.readerDone)
 		<-t.loopyWriterDone
 	}()
 	for {
 		t.controlBuf.throttle()
-		frame, err := t.framer.fr.ReadFrame()
+		frame, err := t.framer.readFrame()
 		atomic.StoreInt64(&t.lastRead, time.Now().UnixNano())
 		if err != nil {
 			if se, ok := err.(http2.StreamError); ok {
@@ -678,8 +672,9 @@ func (t *http2Server) HandleStreams(ctx context.Context, handle func(*Stream)) {
 				})
 				continue
 			}
-		case *http2.DataFrame:
+		case *parsedDataFrame:
 			t.handleData(frame)
+			frame.data.Free()
 		case *http2.RSTStreamFrame:
 			t.handleRSTStream(frame)
 		case *http2.SettingsFrame:
@@ -698,7 +693,7 @@ func (t *http2Server) HandleStreams(ctx context.Context, handle func(*Stream)) {
 	}
 }
 
-func (t *http2Server) getStream(f http2.Frame) (*Stream, bool) {
+func (t *http2Server) getStream(f http2.Frame) (*ServerStream, bool) {
 	t.mu.Lock()
 	defer t.mu.Unlock()
 	if t.activeStreams == nil {
@@ -716,7 +711,7 @@ func (t *http2Server) getStream(f http2.Frame) (*Stream, bool) {
 // adjustWindow sends out extra window update over the initial window size
 // of stream if the application is requesting data larger in size than
 // the window.
-func (t *http2Server) adjustWindow(s *Stream, n uint32) {
+func (t *http2Server) adjustWindow(s *ServerStream, n uint32) {
 	if w := s.fc.maybeAdjust(n); w > 0 {
 		t.controlBuf.put(&outgoingWindowUpdate{streamID: s.id, increment: w})
 	}
@@ -726,7 +721,7 @@ func (t *http2Server) adjustWindow(s *Stream, n uint32) {
 // updateWindow adjusts the inbound quota for the stream and the transport.
 // Window updates will deliver to the controller for sending when
 // the cumulative quota exceeds the corresponding threshold.
-func (t *http2Server) updateWindow(s *Stream, n uint32) {
+func (t *http2Server) updateWindow(s *ServerStream, n uint32) {
 	if w := s.fc.onRead(n); w > 0 {
 		t.controlBuf.put(&outgoingWindowUpdate{streamID: s.id,
 			increment: w,
@@ -759,7 +754,7 @@ func (t *http2Server) updateFlowControl(n uint32) {
 
 }
 
-func (t *http2Server) handleData(f *http2.DataFrame) {
+func (t *http2Server) handleData(f *parsedDataFrame) {
 	size := f.Header().Length
 	var sendBDPPing bool
 	if t.bdpEst != nil {
@@ -804,22 +799,15 @@ func (t *http2Server) handleData(f *http2.DataFrame) {
 			t.closeStream(s, true, http2.ErrCodeFlowControl, false)
 			return
 		}
+		dataLen := f.data.Len()
 		if f.Header().Flags.Has(http2.FlagDataPadded) {
-			if w := s.fc.onRead(size - uint32(len(f.Data()))); w > 0 {
+			if w := s.fc.onRead(size - uint32(dataLen)); w > 0 {
 				t.controlBuf.put(&outgoingWindowUpdate{s.id, w})
 			}
 		}
-		// TODO(bradfitz, zhaoq): A copy is required here because there is no
-		// guarantee f.Data() is consumed before the arrival of next frame.
-		// Can this copy be eliminated?
-		if len(f.Data()) > 0 {
-			pool := t.bufferPool
-			if pool == nil {
-				// Note that this is only supposed to be nil in tests. Otherwise, stream is
-				// always initialized with a BufferPool.
-				pool = mem.DefaultBufferPool()
-			}
-			s.write(recvMsg{buffer: mem.Copy(f.Data(), pool)})
+		if dataLen > 0 {
+			f.data.Ref()
+			s.write(recvMsg{buffer: f.data})
 		}
 	}
 	if f.StreamEnded() {
@@ -946,13 +934,12 @@ func appendHeaderFieldsFromMD(headerFields []hpack.HeaderField, md metadata.MD)
 	return headerFields
 }
 
-func (t *http2Server) checkForHeaderListSize(it any) bool {
+func (t *http2Server) checkForHeaderListSize(hf []hpack.HeaderField) bool {
 	if t.maxSendHeaderListSize == nil {
 		return true
 	}
-	hdrFrame := it.(*headerFrame)
 	var sz int64
-	for _, f := range hdrFrame.hf {
+	for _, f := range hf {
 		if sz += int64(f.Size()); sz > int64(*t.maxSendHeaderListSize) {
 			if t.logger.V(logLevel) {
 				t.logger.Infof("Header list size to send violates the maximum size (%d bytes) set by client", *t.maxSendHeaderListSize)
@@ -963,7 +950,43 @@ func (t *http2Server) checkForHeaderListSize(it any) bool {
 	return true
 }
 
-func (t *http2Server) streamContextErr(s *Stream) error {
+// writeEarlyAbort sends an early abort response with the given HTTP status and
+// gRPC status. If the header list size exceeds the peer's limit, it sends a
+// RST_STREAM instead.
+func (t *http2Server) writeEarlyAbort(streamID uint32, contentSubtype string, stat *status.Status, httpStatus uint32, rst bool) {
+	hf := []hpack.HeaderField{
+		{Name: ":status", Value: strconv.Itoa(int(httpStatus))},
+		{Name: "content-type", Value: grpcutil.ContentType(contentSubtype)},
+		{Name: "grpc-status", Value: strconv.Itoa(int(stat.Code()))},
+		{Name: "grpc-message", Value: encodeGrpcMessage(stat.Message())},
+	}
+	if p := istatus.RawStatusProto(stat); len(p.GetDetails()) > 0 {
+		stBytes, err := proto.Marshal(p)
+		if err != nil {
+			t.logger.Errorf("Failed to marshal rpc status: %s, error: %v", pretty.ToJSON(p), err)
+		}
+		if err == nil {
+			hf = append(hf, hpack.HeaderField{Name: grpcStatusDetailsBinHeader, Value: encodeBinHeader(stBytes)})
+		}
+	}
+	success, _ := t.controlBuf.executeAndPut(func() bool {
+		return t.checkForHeaderListSize(hf)
+	}, &earlyAbortStream{
+		streamID: streamID,
+		rst:      rst,
+		hf:       hf,
+	})
+	if !success {
+		t.controlBuf.put(&cleanupStream{
+			streamID: streamID,
+			rst:      true,
+			rstCode:  http2.ErrCodeInternal,
+			onWrite:  func() {},
+		})
+	}
+}
+
+func (t *http2Server) streamContextErr(s *ServerStream) error {
 	select {
 	case <-t.done:
 		return ErrConnClosing
@@ -973,7 +996,7 @@ func (t *http2Server) streamContextErr(s *Stream) error {
 }
 
 // WriteHeader sends the header metadata md back to the client.
-func (t *http2Server) WriteHeader(s *Stream, md metadata.MD) error {
+func (t *http2Server) writeHeader(s *ServerStream, md metadata.MD) error {
 	s.hdrMu.Lock()
 	defer s.hdrMu.Unlock()
 	if s.getState() == streamDone {
@@ -1002,11 +1025,7 @@ func (t *http2Server) WriteHeader(s *Stream, md metadata.MD) error {
 	return nil
 }
 
-func (t *http2Server) setResetPingStrikes() {
-	atomic.StoreUint32(&t.resetPingStrikes, 1)
-}
-
-func (t *http2Server) writeHeaderLocked(s *Stream) error {
+func (t *http2Server) writeHeaderLocked(s *ServerStream) error {
 	// TODO(mmukhi): Benchmark if the performance gets better if count the metadata and other header fields
 	// first and create a slice of that exact size.
 	headerFields := make([]hpack.HeaderField, 0, 2) // at least :status, content-type will be there if none else.
@@ -1022,7 +1041,7 @@ func (t *http2Server) writeHeaderLocked(s *Stream) error {
 		endStream: false,
 		onWrite:   t.setResetPingStrikes,
 	}
-	success, err := t.controlBuf.executeAndPut(func() bool { return t.checkForHeaderListSize(hf) }, hf)
+	success, err := t.controlBuf.executeAndPut(func() bool { return t.checkForHeaderListSize(hf.hf) }, hf)
 	if !success {
 		if err != nil {
 			return err
@@ -1030,23 +1049,22 @@ func (t *http2Server) writeHeaderLocked(s *Stream) error {
 		t.closeStream(s, true, http2.ErrCodeInternal, false)
 		return ErrHeaderListSizeLimitViolation
 	}
-	for _, sh := range t.stats {
+	if t.stats != nil {
 		// Note: Headers are compressed with hpack after this call returns.
 		// No WireLength field is set here.
-		outHeader := &stats.OutHeader{
+		t.stats.HandleRPC(s.Context(), &stats.OutHeader{
 			Header:      s.header.Copy(),
 			Compression: s.sendCompress,
-		}
-		sh.HandleRPC(s.Context(), outHeader)
+		})
 	}
 	return nil
 }
 
-// WriteStatus sends stream status to the client and terminates the stream.
+// writeStatus sends stream status to the client and terminates the stream.
 // There is no further I/O operations being able to perform on this stream.
 // TODO(zhaoq): Now it indicates the end of entire stream. Revisit if early
 // OK is adopted.
-func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error {
+func (t *http2Server) writeStatus(s *ServerStream, st *status.Status) error {
 	s.hdrMu.Lock()
 	defer s.hdrMu.Unlock()
 
@@ -1070,7 +1088,7 @@ func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error {
 	headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-status", Value: strconv.Itoa(int(st.Code()))})
 	headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-message", Value: encodeGrpcMessage(st.Message())})
 
-	if p := st.Proto(); p != nil && len(p.Details) > 0 {
+	if p := istatus.RawStatusProto(st); len(p.GetDetails()) > 0 {
 		// Do not use the user's grpc-status-details-bin (if present) if we are
 		// even attempting to set our own.
 		delete(s.trailer, grpcStatusDetailsBinHeader)
@@ -1093,7 +1111,7 @@ func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error {
 	}
 
 	success, err := t.controlBuf.executeAndPut(func() bool {
-		return t.checkForHeaderListSize(trailingHeader)
+		return t.checkForHeaderListSize(trailingHeader.hf)
 	}, nil)
 	if !success {
 		if err != nil {
@@ -1105,10 +1123,10 @@ func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error {
 	// Send a RST_STREAM after the trailers if the client has not already half-closed.
 	rst := s.getState() == streamActive
 	t.finishStream(s, rst, http2.ErrCodeNo, trailingHeader, true)
-	for _, sh := range t.stats {
+	if t.stats != nil {
 		// Note: The trailer fields are compressed with hpack after this call returns.
 		// No WireLength field is set here.
-		sh.HandleRPC(s.Context(), &stats.OutTrailer{
+		t.stats.HandleRPC(s.Context(), &stats.OutTrailer{
 			Trailer: s.trailer.Copy(),
 		})
 	}
@@ -1117,18 +1135,14 @@ func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error {
 
 // Write converts the data into HTTP2 data frame and sends it out. Non-nil error
 // is returns if it fails (e.g., framing error, transport error).
-func (t *http2Server) Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *Options) error {
-	reader := data.Reader()
-
+func (t *http2Server) write(s *ServerStream, hdr []byte, data mem.BufferSlice, _ *WriteOptions) error {
 	if !s.isHeaderSent() { // Headers haven't been written yet.
-		if err := t.WriteHeader(s, nil); err != nil {
-			_ = reader.Close()
+		if err := t.writeHeader(s, nil); err != nil {
 			return err
 		}
 	} else {
 		// Writing headers checks for this condition.
 		if s.getState() == streamDone {
-			_ = reader.Close()
 			return t.streamContextErr(s)
 		}
 	}
@@ -1136,17 +1150,19 @@ func (t *http2Server) Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *O
 	df := &dataFrame{
 		streamID:    s.id,
 		h:           hdr,
-		reader:      reader,
+		data:        data,
 		onEachWrite: t.setResetPingStrikes,
 	}
-	if err := s.wq.get(int32(len(hdr) + df.reader.Remaining())); err != nil {
-		_ = reader.Close()
+	dataLen := data.Len()
+	if err := s.wq.get(int32(len(hdr) + dataLen)); err != nil {
 		return t.streamContextErr(s)
 	}
+	data.Ref()
 	if err := t.controlBuf.put(df); err != nil {
-		_ = reader.Close()
+		data.Free()
 		return err
 	}
+	t.incrMsgSent()
 	return nil
 }
 
@@ -1238,7 +1254,7 @@ func (t *http2Server) keepalive() {
 			// timeoutLeft. This will ensure that we wait only for kp.Time
 			// before sending out the next ping (for cases where the ping is
 			// acked).
-			sleepDuration := minTime(t.kp.Time, kpTimeoutLeft)
+			sleepDuration := min(t.kp.Time, kpTimeoutLeft)
 			kpTimeoutLeft -= sleepDuration
 			kpTimer.Reset(sleepDuration)
 		case <-t.done:
@@ -1276,10 +1292,10 @@ func (t *http2Server) Close(err error) {
 }
 
 // deleteStream deletes the stream s from transport's active streams.
-func (t *http2Server) deleteStream(s *Stream, eosReceived bool) {
-
+func (t *http2Server) deleteStream(s *ServerStream, eosReceived bool) {
 	t.mu.Lock()
-	if _, ok := t.activeStreams[s.id]; ok {
+	_, isActive := t.activeStreams[s.id]
+	if isActive {
 		delete(t.activeStreams, s.id)
 		if len(t.activeStreams) == 0 {
 			t.idle = time.Now()
@@ -1287,7 +1303,7 @@ func (t *http2Server) deleteStream(s *Stream, eosReceived bool) {
 	}
 	t.mu.Unlock()
 
-	if channelz.IsOn() {
+	if isActive && channelz.IsOn() {
 		if eosReceived {
 			t.channelz.SocketMetrics.StreamsSucceeded.Add(1)
 		} else {
@@ -1297,7 +1313,7 @@ func (t *http2Server) deleteStream(s *Stream, eosReceived bool) {
 }
 
 // finishStream closes the stream and puts the trailing headerFrame into controlbuf.
-func (t *http2Server) finishStream(s *Stream, rst bool, rstCode http2.ErrCode, hdr *headerFrame, eosReceived bool) {
+func (t *http2Server) finishStream(s *ServerStream, rst bool, rstCode http2.ErrCode, hdr *headerFrame, eosReceived bool) {
 	// In case stream sending and receiving are invoked in separate
 	// goroutines (e.g., bi-directional streaming), cancel needs to be
 	// called to interrupt the potential blocking on other goroutines.
@@ -1321,12 +1337,15 @@ func (t *http2Server) finishStream(s *Stream, rst bool, rstCode http2.ErrCode, h
 }
 
 // closeStream clears the footprint of a stream when the stream is not needed any more.
-func (t *http2Server) closeStream(s *Stream, rst bool, rstCode http2.ErrCode, eosReceived bool) {
+func (t *http2Server) closeStream(s *ServerStream, rst bool, rstCode http2.ErrCode, eosReceived bool) {
 	// In case stream sending and receiving are invoked in separate
 	// goroutines (e.g., bi-directional streaming), cancel needs to be
 	// called to interrupt the potential blocking on other goroutines.
 	s.cancel()
 
+	// We can't return early even if the stream's state is "done" as the state
+	// might have been set by the `finishStream` method. Deleting the stream via
+	// `finishStream` can get blocked on flow control.
 	s.swapState(streamDone)
 	t.deleteStream(s, eosReceived)
 
@@ -1415,14 +1434,18 @@ func (t *http2Server) socketMetrics() *channelz.EphemeralSocketMetrics {
 	}
 }
 
-func (t *http2Server) IncrMsgSent() {
-	t.channelz.SocketMetrics.MessagesSent.Add(1)
-	t.channelz.SocketMetrics.LastMessageSentTimestamp.Add(1)
+func (t *http2Server) incrMsgSent() {
+	if channelz.IsOn() {
+		t.channelz.SocketMetrics.MessagesSent.Add(1)
+		t.channelz.SocketMetrics.LastMessageSentTimestamp.Add(1)
+	}
 }
 
-func (t *http2Server) IncrMsgRecv() {
-	t.channelz.SocketMetrics.MessagesReceived.Add(1)
-	t.channelz.SocketMetrics.LastMessageReceivedTimestamp.Add(1)
+func (t *http2Server) incrMsgRecv() {
+	if channelz.IsOn() {
+		t.channelz.SocketMetrics.MessagesReceived.Add(1)
+		t.channelz.SocketMetrics.LastMessageReceivedTimestamp.Add(1)
+	}
 }
 
 func (t *http2Server) getOutFlowWindow() int64 {
@@ -1455,7 +1478,7 @@ func getJitter(v time.Duration) time.Duration {
 	}
 	// Generate a jitter between +/- 10% of the value.
 	r := int64(v / 10)
-	j := rand.Int63n(2*r) - r
+	j := rand.Int64N(2*r) - r
 	return time.Duration(j)
 }
 
diff --git a/vendor/google.golang.org/grpc/internal/transport/http_util.go b/vendor/google.golang.org/grpc/internal/transport/http_util.go
index f609c6c6..5bbb641a 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http_util.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http_util.go
@@ -25,7 +25,6 @@ import (
 	"fmt"
 	"io"
 	"math"
-	"net"
 	"net/http"
 	"net/url"
 	"strconv"
@@ -37,6 +36,7 @@ import (
 	"golang.org/x/net/http2"
 	"golang.org/x/net/http2/hpack"
 	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/mem"
 )
 
 const (
@@ -196,11 +196,11 @@ func decodeTimeout(s string) (time.Duration, error) {
 	if !ok {
 		return 0, fmt.Errorf("transport: timeout unit is not recognized: %q", s)
 	}
-	t, err := strconv.ParseInt(s[:size-1], 10, 64)
+	t, err := strconv.ParseUint(s[:size-1], 10, 64)
 	if err != nil {
 		return 0, err
 	}
-	const maxHours = math.MaxInt64 / int64(time.Hour)
+	const maxHours = math.MaxInt64 / uint64(time.Hour)
 	if d == time.Hour && t > maxHours {
 		// This timeout would overflow math.MaxInt64; clamp it.
 		return time.Duration(math.MaxInt64), nil
@@ -300,11 +300,11 @@ type bufWriter struct {
 	buf       []byte
 	offset    int
 	batchSize int
-	conn      net.Conn
+	conn      io.Writer
 	err       error
 }
 
-func newBufWriter(conn net.Conn, batchSize int, pool *sync.Pool) *bufWriter {
+func newBufWriter(conn io.Writer, batchSize int, pool *sync.Pool) *bufWriter {
 	w := &bufWriter{
 		batchSize: batchSize,
 		conn:      conn,
@@ -388,15 +388,29 @@ func toIOError(err error) error {
 	return ioError{error: err}
 }
 
+type parsedDataFrame struct {
+	http2.FrameHeader
+	data mem.Buffer
+}
+
+func (df *parsedDataFrame) StreamEnded() bool {
+	return df.FrameHeader.Flags.Has(http2.FlagDataEndStream)
+}
+
 type framer struct {
-	writer *bufWriter
-	fr     *http2.Framer
+	writer    *bufWriter
+	fr        *http2.Framer
+	headerBuf []byte // cached slice for framer headers to reduce heap allocs.
+	reader    io.Reader
+	dataFrame parsedDataFrame // Cached data frame to avoid heap allocations.
+	pool      mem.BufferPool
+	errDetail error
 }
 
-var writeBufferPoolMap map[int]*sync.Pool = make(map[int]*sync.Pool)
+var writeBufferPoolMap = make(map[int]*sync.Pool)
 var writeBufferMutex sync.Mutex
 
-func newFramer(conn net.Conn, writeBufferSize, readBufferSize int, sharedWriteBuffer bool, maxHeaderListSize uint32) *framer {
+func newFramer(conn io.ReadWriter, writeBufferSize, readBufferSize int, sharedWriteBuffer bool, maxHeaderListSize uint32, memPool mem.BufferPool) *framer {
 	if writeBufferSize < 0 {
 		writeBufferSize = 0
 	}
@@ -412,6 +426,8 @@ func newFramer(conn net.Conn, writeBufferSize, readBufferSize int, sharedWriteBu
 	f := &framer{
 		writer: w,
 		fr:     http2.NewFramer(w, r),
+		reader: r,
+		pool:   memPool,
 	}
 	f.fr.SetMaxReadFrameSize(http2MaxFrameLen)
 	// Opt-in to Frame reuse API on framer to reduce garbage.
@@ -422,6 +438,146 @@ func newFramer(conn net.Conn, writeBufferSize, readBufferSize int, sharedWriteBu
 	return f
 }
 
+// writeData writes a DATA frame.
+//
+// It is the caller's responsibility not to violate the maximum frame size.
+func (f *framer) writeData(streamID uint32, endStream bool, data [][]byte) error {
+	var flags http2.Flags
+	if endStream {
+		flags = http2.FlagDataEndStream
+	}
+	length := uint32(0)
+	for _, d := range data {
+		length += uint32(len(d))
+	}
+	// TODO: Replace the header write with the framer API being added in
+	// https://github.com/golang/go/issues/66655.
+	f.headerBuf = append(f.headerBuf[:0],
+		byte(length>>16),
+		byte(length>>8),
+		byte(length),
+		byte(http2.FrameData),
+		byte(flags),
+		byte(streamID>>24),
+		byte(streamID>>16),
+		byte(streamID>>8),
+		byte(streamID))
+	if _, err := f.writer.Write(f.headerBuf); err != nil {
+		return err
+	}
+	for _, d := range data {
+		if _, err := f.writer.Write(d); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// readFrame reads a single frame. The returned Frame is only valid
+// until the next call to readFrame.
+func (f *framer) readFrame() (any, error) {
+	f.errDetail = nil
+	fh, err := f.fr.ReadFrameHeader()
+	if err != nil {
+		f.errDetail = f.fr.ErrorDetail()
+		return nil, err
+	}
+	// Read the data frame directly from the underlying io.Reader to avoid
+	// copies.
+	if fh.Type == http2.FrameData {
+		err = f.readDataFrame(fh)
+		return &f.dataFrame, err
+	}
+	fr, err := f.fr.ReadFrameForHeader(fh)
+	if err != nil {
+		f.errDetail = f.fr.ErrorDetail()
+		return nil, err
+	}
+	return fr, err
+}
+
+// errorDetail returns a more detailed error of the last error
+// returned by framer.readFrame. For instance, if readFrame
+// returns a StreamError with code PROTOCOL_ERROR, errorDetail
+// will say exactly what was invalid. errorDetail is not guaranteed
+// to return a non-nil value.
+// errorDetail is reset after the next call to readFrame.
+func (f *framer) errorDetail() error {
+	return f.errDetail
+}
+
+func (f *framer) readDataFrame(fh http2.FrameHeader) (err error) {
+	if fh.StreamID == 0 {
+		// DATA frames MUST be associated with a stream. If a
+		// DATA frame is received whose stream identifier
+		// field is 0x0, the recipient MUST respond with a
+		// connection error (Section 5.4.1) of type
+		// PROTOCOL_ERROR.
+		f.errDetail = errors.New("DATA frame with stream ID 0")
+		return http2.ConnectionError(http2.ErrCodeProtocol)
+	}
+	// Converting a *[]byte to a mem.SliceBuffer incurs a heap allocation. This
+	// conversion is performed by mem.NewBuffer. To avoid the extra allocation
+	// a []byte is allocated directly if required and cast to a mem.SliceBuffer.
+	var buf []byte
+	// poolHandle is the pointer returned by the buffer pool (if it's used.).
+	var poolHandle *[]byte
+	useBufferPool := !mem.IsBelowBufferPoolingThreshold(int(fh.Length))
+	if useBufferPool {
+		poolHandle = f.pool.Get(int(fh.Length))
+		buf = *poolHandle
+		defer func() {
+			if err != nil {
+				f.pool.Put(poolHandle)
+			}
+		}()
+	} else {
+		buf = make([]byte, int(fh.Length))
+	}
+	if fh.Flags.Has(http2.FlagDataPadded) {
+		if fh.Length == 0 {
+			return io.ErrUnexpectedEOF
+		}
+		// This initial 1-byte read can be inefficient for unbuffered readers,
+		// but it allows the rest of the payload to be read directly to the
+		// start of the destination slice. This makes it easy to return the
+		// original slice back to the buffer pool.
+		if _, err := io.ReadFull(f.reader, buf[:1]); err != nil {
+			return err
+		}
+		padSize := buf[0]
+		buf = buf[:len(buf)-1]
+		if int(padSize) > len(buf) {
+			// If the length of the padding is greater than the
+			// length of the frame payload, the recipient MUST
+			// treat this as a connection error.
+			// Filed: https://github.com/http2/http2-spec/issues/610
+			f.errDetail = errors.New("pad size larger than data payload")
+			return http2.ConnectionError(http2.ErrCodeProtocol)
+		}
+		if _, err := io.ReadFull(f.reader, buf); err != nil {
+			return err
+		}
+		buf = buf[:len(buf)-int(padSize)]
+	} else if _, err := io.ReadFull(f.reader, buf); err != nil {
+		return err
+	}
+
+	f.dataFrame.FrameHeader = fh
+	if useBufferPool {
+		// Update the handle to point to the (potentially re-sliced) buf.
+		*poolHandle = buf
+		f.dataFrame.data = mem.NewBuffer(poolHandle, f.pool)
+	} else {
+		f.dataFrame.data = mem.SliceBuffer(buf)
+	}
+	return nil
+}
+
+func (df *parsedDataFrame) Header() http2.FrameHeader {
+	return df.FrameHeader
+}
+
 func getWriteBufferPool(size int) *sync.Pool {
 	writeBufferMutex.Lock()
 	defer writeBufferMutex.Unlock()
@@ -439,8 +595,8 @@ func getWriteBufferPool(size int) *sync.Pool {
 	return pool
 }
 
-// parseDialTarget returns the network and address to pass to dialer.
-func parseDialTarget(target string) (string, string) {
+// ParseDialTarget returns the network and address to pass to dialer.
+func ParseDialTarget(target string) (string, string) {
 	net := "tcp"
 	m1 := strings.Index(target, ":")
 	m2 := strings.Index(target, ":/")
diff --git a/vendor/google.golang.org/grpc/internal/transport/proxy.go b/vendor/google.golang.org/grpc/internal/transport/proxy.go
index 54b22443..d7738459 100644
--- a/vendor/google.golang.org/grpc/internal/transport/proxy.go
+++ b/vendor/google.golang.org/grpc/internal/transport/proxy.go
@@ -30,34 +30,16 @@ import (
 	"net/url"
 
 	"google.golang.org/grpc/internal"
+	"google.golang.org/grpc/internal/proxyattributes"
+	"google.golang.org/grpc/resolver"
 )
 
 const proxyAuthHeaderKey = "Proxy-Authorization"
 
-var (
-	// The following variable will be overwritten in the tests.
-	httpProxyFromEnvironment = http.ProxyFromEnvironment
-)
-
-func mapAddress(address string) (*url.URL, error) {
-	req := &http.Request{
-		URL: &url.URL{
-			Scheme: "https",
-			Host:   address,
-		},
-	}
-	url, err := httpProxyFromEnvironment(req)
-	if err != nil {
-		return nil, err
-	}
-	return url, nil
-}
-
 // To read a response from a net.Conn, http.ReadResponse() takes a bufio.Reader.
-// It's possible that this reader reads more than what's need for the response and stores
-// those bytes in the buffer.
-// bufConn wraps the original net.Conn and the bufio.Reader to make sure we don't lose the
-// bytes in the buffer.
+// It's possible that this reader reads more than what's need for the response
+// and stores those bytes in the buffer. bufConn wraps the original net.Conn
+// and the bufio.Reader to make sure we don't lose the bytes in the buffer.
 type bufConn struct {
 	net.Conn
 	r io.Reader
@@ -72,7 +54,7 @@ func basicAuth(username, password string) string {
 	return base64.StdEncoding.EncodeToString([]byte(auth))
 }
 
-func doHTTPConnectHandshake(ctx context.Context, conn net.Conn, backendAddr string, proxyURL *url.URL, grpcUA string) (_ net.Conn, err error) {
+func doHTTPConnectHandshake(ctx context.Context, conn net.Conn, grpcUA string, opts proxyattributes.Options) (_ net.Conn, err error) {
 	defer func() {
 		if err != nil {
 			conn.Close()
@@ -81,15 +63,14 @@ func doHTTPConnectHandshake(ctx context.Context, conn net.Conn, backendAddr stri
 
 	req := &http.Request{
 		Method: http.MethodConnect,
-		URL:    &url.URL{Host: backendAddr},
+		URL:    &url.URL{Host: opts.ConnectAddr},
 		Header: map[string][]string{"User-Agent": {grpcUA}},
 	}
-	if t := proxyURL.User; t != nil {
-		u := t.Username()
-		p, _ := t.Password()
+	if user := opts.User; user != nil {
+		u := user.Username()
+		p, _ := user.Password()
 		req.Header.Add(proxyAuthHeaderKey, "Basic "+basicAuth(u, p))
 	}
-
 	if err := sendHTTPRequest(ctx, req, conn); err != nil {
 		return nil, fmt.Errorf("failed to write the HTTP request: %v", err)
 	}
@@ -117,28 +98,13 @@ func doHTTPConnectHandshake(ctx context.Context, conn net.Conn, backendAddr stri
 	return conn, nil
 }
 
-// proxyDial dials, connecting to a proxy first if necessary. Checks if a proxy
-// is necessary, dials, does the HTTP CONNECT handshake, and returns the
-// connection.
-func proxyDial(ctx context.Context, addr string, grpcUA string) (net.Conn, error) {
-	newAddr := addr
-	proxyURL, err := mapAddress(addr)
-	if err != nil {
-		return nil, err
-	}
-	if proxyURL != nil {
-		newAddr = proxyURL.Host
-	}
-
-	conn, err := internal.NetDialerWithTCPKeepalive().DialContext(ctx, "tcp", newAddr)
+// proxyDial establishes a TCP connection to the specified address and performs an HTTP CONNECT handshake.
+func proxyDial(ctx context.Context, addr resolver.Address, grpcUA string, opts proxyattributes.Options) (net.Conn, error) {
+	conn, err := internal.NetDialerWithTCPKeepalive().DialContext(ctx, "tcp", addr.Addr)
 	if err != nil {
 		return nil, err
 	}
-	if proxyURL == nil {
-		// proxy is disabled if proxyURL is nil.
-		return conn, err
-	}
-	return doHTTPConnectHandshake(ctx, conn, addr, proxyURL, grpcUA)
+	return doHTTPConnectHandshake(ctx, conn, grpcUA, opts)
 }
 
 func sendHTTPRequest(ctx context.Context, req *http.Request, conn net.Conn) error {
diff --git a/vendor/google.golang.org/grpc/internal/transport/server_stream.go b/vendor/google.golang.org/grpc/internal/transport/server_stream.go
new file mode 100644
index 00000000..ed6a13b7
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/transport/server_stream.go
@@ -0,0 +1,189 @@
+/*
+ *
+ * Copyright 2024 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package transport
+
+import (
+	"context"
+	"errors"
+	"strings"
+	"sync"
+	"sync/atomic"
+
+	"google.golang.org/grpc/mem"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/status"
+)
+
+// ServerStream implements streaming functionality for a gRPC server.
+type ServerStream struct {
+	Stream // Embed for common stream functionality.
+
+	st      internalServerTransport
+	ctxDone <-chan struct{} // closed at the end of stream.  Cache of ctx.Done() (for performance)
+	// cancel is invoked at the end of stream to cancel ctx. It also stops the
+	// timer for monitoring the rpc deadline if configured.
+	cancel func()
+
+	// Holds compressor names passed in grpc-accept-encoding metadata from the
+	// client.
+	clientAdvertisedCompressors string
+
+	// hdrMu protects outgoing header and trailer metadata.
+	hdrMu      sync.Mutex
+	header     metadata.MD // the outgoing header metadata.  Updated by WriteHeader.
+	headerSent atomic.Bool // atomically set when the headers are sent out.
+
+	headerWireLength int
+}
+
+// Read reads an n byte message from the input stream.
+func (s *ServerStream) Read(n int) (mem.BufferSlice, error) {
+	b, err := s.Stream.read(n)
+	if err == nil {
+		s.st.incrMsgRecv()
+	}
+	return b, err
+}
+
+// SendHeader sends the header metadata for the given stream.
+func (s *ServerStream) SendHeader(md metadata.MD) error {
+	return s.st.writeHeader(s, md)
+}
+
+// Write writes the hdr and data bytes to the output stream.
+func (s *ServerStream) Write(hdr []byte, data mem.BufferSlice, opts *WriteOptions) error {
+	return s.st.write(s, hdr, data, opts)
+}
+
+// WriteStatus sends the status of a stream to the client.  WriteStatus is
+// the final call made on a stream and always occurs.
+func (s *ServerStream) WriteStatus(st *status.Status) error {
+	return s.st.writeStatus(s, st)
+}
+
+// isHeaderSent indicates whether headers have been sent.
+func (s *ServerStream) isHeaderSent() bool {
+	return s.headerSent.Load()
+}
+
+// updateHeaderSent updates headerSent and returns true
+// if it was already set.
+func (s *ServerStream) updateHeaderSent() bool {
+	return s.headerSent.Swap(true)
+}
+
+// RecvCompress returns the compression algorithm applied to the inbound
+// message. It is empty string if there is no compression applied.
+func (s *ServerStream) RecvCompress() string {
+	return s.recvCompress
+}
+
+// SendCompress returns the send compressor name.
+func (s *ServerStream) SendCompress() string {
+	return s.sendCompress
+}
+
+// ContentSubtype returns the content-subtype for a request. For example, a
+// content-subtype of "proto" will result in a content-type of
+// "application/grpc+proto". This will always be lowercase.  See
+// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests for
+// more details.
+func (s *ServerStream) ContentSubtype() string {
+	return s.contentSubtype
+}
+
+// SetSendCompress sets the compression algorithm to the stream.
+func (s *ServerStream) SetSendCompress(name string) error {
+	if s.isHeaderSent() || s.getState() == streamDone {
+		return errors.New("transport: set send compressor called after headers sent or stream done")
+	}
+
+	s.sendCompress = name
+	return nil
+}
+
+// SetContext sets the context of the stream. This will be deleted once the
+// stats handler callouts all move to gRPC layer.
+func (s *ServerStream) SetContext(ctx context.Context) {
+	s.ctx = ctx
+}
+
+// ClientAdvertisedCompressors returns the compressor names advertised by the
+// client via grpc-accept-encoding header.
+func (s *ServerStream) ClientAdvertisedCompressors() []string {
+	values := strings.Split(s.clientAdvertisedCompressors, ",")
+	for i, v := range values {
+		values[i] = strings.TrimSpace(v)
+	}
+	return values
+}
+
+// Header returns the header metadata of the stream.  It returns the out header
+// after t.WriteHeader is called.  It does not block and must not be called
+// until after WriteHeader.
+func (s *ServerStream) Header() (metadata.MD, error) {
+	// Return the header in stream. It will be the out
+	// header after t.WriteHeader is called.
+	return s.header.Copy(), nil
+}
+
+// HeaderWireLength returns the size of the headers of the stream as received
+// from the wire.
+func (s *ServerStream) HeaderWireLength() int {
+	return s.headerWireLength
+}
+
+// SetHeader sets the header metadata. This can be called multiple times.
+// This should not be called in parallel to other data writes.
+func (s *ServerStream) SetHeader(md metadata.MD) error {
+	if md.Len() == 0 {
+		return nil
+	}
+	if s.isHeaderSent() || s.getState() == streamDone {
+		return ErrIllegalHeaderWrite
+	}
+	s.hdrMu.Lock()
+	s.header = metadata.Join(s.header, md)
+	s.hdrMu.Unlock()
+	return nil
+}
+
+// SetTrailer sets the trailer metadata which will be sent with the RPC status
+// by the server. This can be called multiple times.
+// This should not be called parallel to other data writes.
+func (s *ServerStream) SetTrailer(md metadata.MD) error {
+	if md.Len() == 0 {
+		return nil
+	}
+	if s.getState() == streamDone {
+		return ErrIllegalHeaderWrite
+	}
+	s.hdrMu.Lock()
+	s.trailer = metadata.Join(s.trailer, md)
+	s.hdrMu.Unlock()
+	return nil
+}
+
+func (s *ServerStream) requestRead(n int) {
+	s.st.adjustWindow(s, uint32(n))
+}
+
+func (s *ServerStream) updateWindow(n int) {
+	s.st.updateWindow(s, uint32(n))
+}
diff --git a/vendor/google.golang.org/grpc/internal/transport/transport.go b/vendor/google.golang.org/grpc/internal/transport/transport.go
index fdd6fa86..b86094da 100644
--- a/vendor/google.golang.org/grpc/internal/transport/transport.go
+++ b/vendor/google.golang.org/grpc/internal/transport/transport.go
@@ -27,7 +27,6 @@ import (
 	"fmt"
 	"io"
 	"net"
-	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -39,7 +38,6 @@ import (
 	"google.golang.org/grpc/mem"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/peer"
-	"google.golang.org/grpc/resolver"
 	"google.golang.org/grpc/stats"
 	"google.golang.org/grpc/status"
 	"google.golang.org/grpc/tap"
@@ -70,11 +68,11 @@ type recvBuffer struct {
 	err     error
 }
 
-func newRecvBuffer() *recvBuffer {
-	b := &recvBuffer{
-		c: make(chan recvMsg, 1),
-	}
-	return b
+// init allows a recvBuffer to be initialized in-place, which is useful
+// for resetting a buffer or for avoiding a heap allocation when the buffer
+// is embedded in another struct.
+func (b *recvBuffer) init() {
+	b.c = make(chan recvMsg, 1)
 }
 
 func (b *recvBuffer) put(r recvMsg) {
@@ -125,15 +123,16 @@ func (b *recvBuffer) get() <-chan recvMsg {
 // recvBufferReader implements io.Reader interface to read the data from
 // recvBuffer.
 type recvBufferReader struct {
-	closeStream func(error) // Closes the client transport stream with the given error and nil trailer metadata.
-	ctx         context.Context
-	ctxDone     <-chan struct{} // cache of ctx.Done() (for performance).
-	recv        *recvBuffer
-	last        mem.Buffer // Stores the remaining data in the previous calls.
-	err         error
+	_            noCopy
+	clientStream *ClientStream // The client transport stream is closed with a status representing ctx.Err() and nil trailer metadata.
+	ctx          context.Context
+	ctxDone      <-chan struct{} // cache of ctx.Done() (for performance).
+	recv         *recvBuffer
+	last         mem.Buffer // Stores the remaining data in the previous calls.
+	err          error
 }
 
-func (r *recvBufferReader) ReadHeader(header []byte) (n int, err error) {
+func (r *recvBufferReader) ReadMessageHeader(header []byte) (n int, err error) {
 	if r.err != nil {
 		return 0, r.err
 	}
@@ -141,10 +140,10 @@ func (r *recvBufferReader) ReadHeader(header []byte) (n int, err error) {
 		n, r.last = mem.ReadUnsafe(header, r.last)
 		return n, nil
 	}
-	if r.closeStream != nil {
-		n, r.err = r.readHeaderClient(header)
+	if r.clientStream != nil {
+		n, r.err = r.readMessageHeaderClient(header)
 	} else {
-		n, r.err = r.readHeader(header)
+		n, r.err = r.readMessageHeader(header)
 	}
 	return n, r.err
 }
@@ -166,7 +165,7 @@ func (r *recvBufferReader) Read(n int) (buf mem.Buffer, err error) {
 		}
 		return buf, nil
 	}
-	if r.closeStream != nil {
+	if r.clientStream != nil {
 		buf, r.err = r.readClient(n)
 	} else {
 		buf, r.err = r.read(n)
@@ -174,12 +173,12 @@ func (r *recvBufferReader) Read(n int) (buf mem.Buffer, err error) {
 	return buf, r.err
 }
 
-func (r *recvBufferReader) readHeader(header []byte) (n int, err error) {
+func (r *recvBufferReader) readMessageHeader(header []byte) (n int, err error) {
 	select {
 	case <-r.ctxDone:
 		return 0, ContextErr(r.ctx.Err())
 	case m := <-r.recv.get():
-		return r.readHeaderAdditional(m, header)
+		return r.readMessageHeaderAdditional(m, header)
 	}
 }
 
@@ -192,7 +191,7 @@ func (r *recvBufferReader) read(n int) (buf mem.Buffer, err error) {
 	}
 }
 
-func (r *recvBufferReader) readHeaderClient(header []byte) (n int, err error) {
+func (r *recvBufferReader) readMessageHeaderClient(header []byte) (n int, err error) {
 	// If the context is canceled, then closes the stream with nil metadata.
 	// closeStream writes its error parameter to r.recv as a recvMsg.
 	// r.readAdditional acts on that message and returns the necessary error.
@@ -211,11 +210,11 @@ func (r *recvBufferReader) readHeaderClient(header []byte) (n int, err error) {
 		// TODO: delaying ctx error seems like a unnecessary side effect. What
 		// we really want is to mark the stream as done, and return ctx error
 		// faster.
-		r.closeStream(ContextErr(r.ctx.Err()))
+		r.clientStream.Close(ContextErr(r.ctx.Err()))
 		m := <-r.recv.get()
-		return r.readHeaderAdditional(m, header)
+		return r.readMessageHeaderAdditional(m, header)
 	case m := <-r.recv.get():
-		return r.readHeaderAdditional(m, header)
+		return r.readMessageHeaderAdditional(m, header)
 	}
 }
 
@@ -238,7 +237,7 @@ func (r *recvBufferReader) readClient(n int) (buf mem.Buffer, err error) {
 		// TODO: delaying ctx error seems like a unnecessary side effect. What
 		// we really want is to mark the stream as done, and return ctx error
 		// faster.
-		r.closeStream(ContextErr(r.ctx.Err()))
+		r.clientStream.Close(ContextErr(r.ctx.Err()))
 		m := <-r.recv.get()
 		return r.readAdditional(m, n)
 	case m := <-r.recv.get():
@@ -246,7 +245,7 @@ func (r *recvBufferReader) readClient(n int) (buf mem.Buffer, err error) {
 	}
 }
 
-func (r *recvBufferReader) readHeaderAdditional(m recvMsg, header []byte) (n int, err error) {
+func (r *recvBufferReader) readMessageHeaderAdditional(m recvMsg, header []byte) (n int, err error) {
 	r.recv.load()
 	if m.err != nil {
 		if m.buffer != nil {
@@ -287,74 +286,32 @@ const (
 
 // Stream represents an RPC in the transport layer.
 type Stream struct {
-	id           uint32
-	st           ServerTransport    // nil for client side Stream
-	ct           ClientTransport    // nil for server side Stream
-	ctx          context.Context    // the associated context of the stream
-	cancel       context.CancelFunc // always nil for client side Stream
-	done         chan struct{}      // closed at the end of stream to unblock writers. On the client side.
-	doneFunc     func()             // invoked at the end of stream on client side.
-	ctxDone      <-chan struct{}    // same as done chan but for server side. Cache of ctx.Done() (for performance)
-	method       string             // the associated RPC method of the stream
+	ctx          context.Context // the associated context of the stream
+	method       string          // the associated RPC method of the stream
 	recvCompress string
 	sendCompress string
-	buf          *recvBuffer
-	trReader     *transportReader
-	fc           *inFlow
-	wq           *writeQuota
-
-	// Holds compressor names passed in grpc-accept-encoding metadata from the
-	// client. This is empty for the client side stream.
-	clientAdvertisedCompressors string
-	// Callback to state application's intentions to read data. This
-	// is used to adjust flow control, if needed.
-	requestRead func(int)
-
-	headerChan       chan struct{} // closed to indicate the end of header metadata.
-	headerChanClosed uint32        // set when headerChan is closed. Used to avoid closing headerChan multiple times.
-	// headerValid indicates whether a valid header was received.  Only
-	// meaningful after headerChan is closed (always call waitOnHeader() before
-	// reading its value).  Not valid on server side.
-	headerValid      bool
-	headerWireLength int // Only set on server side.
-
-	// hdrMu protects header and trailer metadata on the server-side.
-	hdrMu sync.Mutex
-	// On client side, header keeps the received header metadata.
-	//
-	// On server side, header keeps the header set by SetHeader(). The complete
-	// header will merged into this after t.WriteHeader() is called.
-	header  metadata.MD
-	trailer metadata.MD // the key-value map of trailer metadata.
-
-	noHeaders bool // set if the client never received headers (set only after the stream is done).
-
-	// On the server-side, headerSent is atomically set to 1 when the headers are sent out.
-	headerSent uint32
-
-	state streamState
 
-	// On client-side it is the status error received from the server.
-	// On server-side it is unused.
-	status *status.Status
-
-	bytesReceived uint32 // indicates whether any bytes have been received on this stream
-	unprocessed   uint32 // set if the server sends a refused stream or GOAWAY including this stream
+	readRequester readRequester
 
 	// contentSubtype is the content-subtype for requests.
 	// this must be lowercase or the behavior is undefined.
 	contentSubtype string
-}
 
-// isHeaderSent is only valid on the server-side.
-func (s *Stream) isHeaderSent() bool {
-	return atomic.LoadUint32(&s.headerSent) == 1
+	trailer metadata.MD // the key-value map of trailer metadata.
+
+	// Non-pointer fields are at the end to optimize GC performance.
+	state    streamState
+	id       uint32
+	buf      recvBuffer
+	trReader transportReader
+	fc       inFlow
+	wq       writeQuota
 }
 
-// updateHeaderSent updates headerSent and returns true
-// if it was already set. It is valid only on server-side.
-func (s *Stream) updateHeaderSent() bool {
-	return atomic.SwapUint32(&s.headerSent, 1) == 1
+// readRequester is used to state application's intentions to read data. This
+// is used to adjust flow control, if needed.
+type readRequester interface {
+	requestRead(int)
 }
 
 func (s *Stream) swapState(st streamState) streamState {
@@ -369,110 +326,12 @@ func (s *Stream) getState() streamState {
 	return streamState(atomic.LoadUint32((*uint32)(&s.state)))
 }
 
-func (s *Stream) waitOnHeader() {
-	if s.headerChan == nil {
-		// On the server headerChan is always nil since a stream originates
-		// only after having received headers.
-		return
-	}
-	select {
-	case <-s.ctx.Done():
-		// Close the stream to prevent headers/trailers from changing after
-		// this function returns.
-		s.ct.CloseStream(s, ContextErr(s.ctx.Err()))
-		// headerChan could possibly not be closed yet if closeStream raced
-		// with operateHeaders; wait until it is closed explicitly here.
-		<-s.headerChan
-	case <-s.headerChan:
-	}
-}
-
-// RecvCompress returns the compression algorithm applied to the inbound
-// message. It is empty string if there is no compression applied.
-func (s *Stream) RecvCompress() string {
-	s.waitOnHeader()
-	return s.recvCompress
-}
-
-// SetSendCompress sets the compression algorithm to the stream.
-func (s *Stream) SetSendCompress(name string) error {
-	if s.isHeaderSent() || s.getState() == streamDone {
-		return errors.New("transport: set send compressor called after headers sent or stream done")
-	}
-
-	s.sendCompress = name
-	return nil
-}
-
-// SendCompress returns the send compressor name.
-func (s *Stream) SendCompress() string {
-	return s.sendCompress
-}
-
-// ClientAdvertisedCompressors returns the compressor names advertised by the
-// client via grpc-accept-encoding header.
-func (s *Stream) ClientAdvertisedCompressors() []string {
-	values := strings.Split(s.clientAdvertisedCompressors, ",")
-	for i, v := range values {
-		values[i] = strings.TrimSpace(v)
-	}
-	return values
-}
-
-// Done returns a channel which is closed when it receives the final status
-// from the server.
-func (s *Stream) Done() <-chan struct{} {
-	return s.done
-}
-
-// Header returns the header metadata of the stream.
-//
-// On client side, it acquires the key-value pairs of header metadata once it is
-// available. It blocks until i) the metadata is ready or ii) there is no header
-// metadata or iii) the stream is canceled/expired.
-//
-// On server side, it returns the out header after t.WriteHeader is called.  It
-// does not block and must not be called until after WriteHeader.
-func (s *Stream) Header() (metadata.MD, error) {
-	if s.headerChan == nil {
-		// On server side, return the header in stream. It will be the out
-		// header after t.WriteHeader is called.
-		return s.header.Copy(), nil
-	}
-	s.waitOnHeader()
-
-	if !s.headerValid || s.noHeaders {
-		return nil, s.status.Err()
-	}
-
-	return s.header.Copy(), nil
-}
-
-// TrailersOnly blocks until a header or trailers-only frame is received and
-// then returns true if the stream was trailers-only.  If the stream ends
-// before headers are received, returns true, nil.  Client-side only.
-func (s *Stream) TrailersOnly() bool {
-	s.waitOnHeader()
-	return s.noHeaders
-}
-
 // Trailer returns the cached trailer metadata. Note that if it is not called
-// after the entire stream is done, it could return an empty MD. Client
-// side only.
+// after the entire stream is done, it could return an empty MD.
 // It can be safely read only after stream has ended that is either read
 // or write have returned io.EOF.
 func (s *Stream) Trailer() metadata.MD {
-	c := s.trailer.Copy()
-	return c
-}
-
-// ContentSubtype returns the content-subtype for a request. For example, a
-// content-subtype of "proto" will result in a content-type of
-// "application/grpc+proto". This will always be lowercase.  See
-// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests for
-// more details.
-func (s *Stream) ContentSubtype() string {
-	return s.contentSubtype
+	return s.trailer.Copy()
 }
 
 // Context returns the context of the stream.
@@ -480,81 +339,31 @@ func (s *Stream) Context() context.Context {
 	return s.ctx
 }
 
-// SetContext sets the context of the stream. This will be deleted once the
-// stats handler callouts all move to gRPC layer.
-func (s *Stream) SetContext(ctx context.Context) {
-	s.ctx = ctx
-}
-
 // Method returns the method for the stream.
 func (s *Stream) Method() string {
 	return s.method
 }
 
-// Status returns the status received from the server.
-// Status can be read safely only after the stream has ended,
-// that is, after Done() is closed.
-func (s *Stream) Status() *status.Status {
-	return s.status
-}
-
-// HeaderWireLength returns the size of the headers of the stream as received
-// from the wire. Valid only on the server.
-func (s *Stream) HeaderWireLength() int {
-	return s.headerWireLength
-}
-
-// SetHeader sets the header metadata. This can be called multiple times.
-// Server side only.
-// This should not be called in parallel to other data writes.
-func (s *Stream) SetHeader(md metadata.MD) error {
-	if md.Len() == 0 {
-		return nil
-	}
-	if s.isHeaderSent() || s.getState() == streamDone {
-		return ErrIllegalHeaderWrite
-	}
-	s.hdrMu.Lock()
-	s.header = metadata.Join(s.header, md)
-	s.hdrMu.Unlock()
-	return nil
-}
-
-// SendHeader sends the given header metadata. The given metadata is
-// combined with any metadata set by previous calls to SetHeader and
-// then written to the transport stream.
-func (s *Stream) SendHeader(md metadata.MD) error {
-	return s.st.WriteHeader(s, md)
-}
-
-// SetTrailer sets the trailer metadata which will be sent with the RPC status
-// by the server. This can be called multiple times. Server side only.
-// This should not be called parallel to other data writes.
-func (s *Stream) SetTrailer(md metadata.MD) error {
-	if md.Len() == 0 {
-		return nil
-	}
-	if s.getState() == streamDone {
-		return ErrIllegalHeaderWrite
-	}
-	s.hdrMu.Lock()
-	s.trailer = metadata.Join(s.trailer, md)
-	s.hdrMu.Unlock()
-	return nil
-}
-
 func (s *Stream) write(m recvMsg) {
 	s.buf.put(m)
 }
 
-func (s *Stream) ReadHeader(header []byte) (err error) {
+// ReadMessageHeader reads data into the provided header slice from the stream.
+// It first checks if there was an error during a previous read operation and
+// returns it if present. It then requests a read operation for the length of
+// the header. It continues to read from the stream until the entire header
+// slice is filled or an error occurs. If an `io.EOF` error is encountered with
+// partially read data, it is converted to `io.ErrUnexpectedEOF` to indicate an
+// unexpected end of the stream. The method returns any error encountered during
+// the read process or nil if the header was successfully read.
+func (s *Stream) ReadMessageHeader(header []byte) (err error) {
 	// Don't request a read if there was an error earlier
 	if er := s.trReader.er; er != nil {
 		return er
 	}
-	s.requestRead(len(header))
+	s.readRequester.requestRead(len(header))
 	for len(header) != 0 {
-		n, err := s.trReader.ReadHeader(header)
+		n, err := s.trReader.ReadMessageHeader(header)
 		header = header[n:]
 		if len(header) == 0 {
 			err = nil
@@ -569,13 +378,29 @@ func (s *Stream) ReadHeader(header []byte) (err error) {
 	return nil
 }
 
+// ceil returns the ceil after dividing the numerator and denominator while
+// avoiding integer overflows.
+func ceil(numerator, denominator int) int {
+	if numerator == 0 {
+		return 0
+	}
+	return (numerator-1)/denominator + 1
+}
+
 // Read reads n bytes from the wire for this stream.
-func (s *Stream) Read(n int) (data mem.BufferSlice, err error) {
+func (s *Stream) read(n int) (data mem.BufferSlice, err error) {
 	// Don't request a read if there was an error earlier
 	if er := s.trReader.er; er != nil {
 		return nil, er
 	}
-	s.requestRead(n)
+	// gRPC Go accepts data frames with a maximum length of 16KB. Larger
+	// messages must be split into multiple frames. We pre-allocate the
+	// buffer to avoid resizing during the read loop, but cap the initial
+	// capacity to 128 frames (2MB) to prevent over-allocation or panics
+	// when reading extremely large streams.
+	allocCap := min(ceil(n, http2MaxFrameLen), 128)
+	data = make(mem.BufferSlice, 0, allocCap)
+	s.readRequester.requestRead(n)
 	for n != 0 {
 		buf, err := s.trReader.Read(n)
 		var bufLen int
@@ -598,25 +423,43 @@ func (s *Stream) Read(n int) (data mem.BufferSlice, err error) {
 	return data, nil
 }
 
+// noCopy may be embedded into structs which must not be copied
+// after the first use.
+//
+// See https://golang.org/issues/8005#issuecomment-190753527
+// for details.
+type noCopy struct {
+}
+
+func (*noCopy) Lock()   {}
+func (*noCopy) Unlock() {}
+
 // transportReader reads all the data available for this Stream from the transport and
 // passes them into the decoder, which converts them into a gRPC message stream.
 // The error is io.EOF when the stream is done or another non-nil error if
 // the stream broke.
 type transportReader struct {
-	reader *recvBufferReader
+	_ noCopy
 	// The handler to control the window update procedure for both this
 	// particular stream and the associated transport.
-	windowHandler func(int)
+	windowHandler windowHandler
 	er            error
+	reader        recvBufferReader
 }
 
-func (t *transportReader) ReadHeader(header []byte) (int, error) {
-	n, err := t.reader.ReadHeader(header)
+// The handler to control the window update procedure for both this
+// particular stream and the associated transport.
+type windowHandler interface {
+	updateWindow(int)
+}
+
+func (t *transportReader) ReadMessageHeader(header []byte) (int, error) {
+	n, err := t.reader.ReadMessageHeader(header)
 	if err != nil {
 		t.er = err
 		return 0, err
 	}
-	t.windowHandler(len(header))
+	t.windowHandler.updateWindow(n)
 	return n, nil
 }
 
@@ -626,21 +469,10 @@ func (t *transportReader) Read(n int) (mem.Buffer, error) {
 		t.er = err
 		return buf, err
 	}
-	t.windowHandler(buf.Len())
+	t.windowHandler.updateWindow(buf.Len())
 	return buf, nil
 }
 
-// BytesReceived indicates whether any bytes have been received on this stream.
-func (s *Stream) BytesReceived() bool {
-	return atomic.LoadUint32(&s.bytesReceived) == 1
-}
-
-// Unprocessed indicates whether the server did not process this stream --
-// i.e. it sent a refused stream or GOAWAY including this stream ID.
-func (s *Stream) Unprocessed() bool {
-	return atomic.LoadUint32(&s.unprocessed) == 1
-}
-
 // GoString is implemented by Stream so context.String() won't
 // race when printing %#v.
 func (s *Stream) GoString() string {
@@ -662,7 +494,7 @@ type ServerConfig struct {
 	ConnectionTimeout     time.Duration
 	Credentials           credentials.TransportCredentials
 	InTapHandle           tap.ServerInHandle
-	StatsHandlers         []stats.Handler
+	StatsHandler          stats.Handler
 	KeepaliveParams       keepalive.ServerParameters
 	KeepalivePolicy       keepalive.EnforcementPolicy
 	InitialWindowSize     int32
@@ -674,6 +506,7 @@ type ServerConfig struct {
 	MaxHeaderListSize     *uint32
 	HeaderTableSize       *uint32
 	BufferPool            mem.BufferPool
+	StaticWindowSize      bool
 }
 
 // ConnectOptions covers all relevant options for communicating with the server.
@@ -710,21 +543,15 @@ type ConnectOptions struct {
 	ChannelzParent *channelz.SubChannel
 	// MaxHeaderListSize sets the max (uncompressed) size of header list that is prepared to be received.
 	MaxHeaderListSize *uint32
-	// UseProxy specifies if a proxy should be used.
-	UseProxy bool
 	// The mem.BufferPool to use when reading/writing to the wire.
 	BufferPool mem.BufferPool
+	// StaticWindowSize controls whether dynamic window sizing is enabled.
+	StaticWindowSize bool
 }
 
-// NewClientTransport establishes the transport with the required ConnectOptions
-// and returns it to the caller.
-func NewClientTransport(connectCtx, ctx context.Context, addr resolver.Address, opts ConnectOptions, onClose func(GoAwayReason)) (ClientTransport, error) {
-	return newHTTP2Client(connectCtx, ctx, addr, opts, onClose)
-}
-
-// Options provides additional hints and information for message
+// WriteOptions provides additional hints and information for message
 // transmission.
-type Options struct {
+type WriteOptions struct {
 	// Last indicates whether this write is the last piece for
 	// this stream.
 	Last bool
@@ -742,6 +569,12 @@ type CallHdr struct {
 	// outbound message.
 	SendCompress string
 
+	// AcceptedCompressors overrides the grpc-accept-encoding header for this
+	// call. When nil, the transport advertises the default set of registered
+	// compressors. A non-nil pointer overrides that value (including the empty
+	// string to advertise none).
+	AcceptedCompressors *string
+
 	// Creds specifies credentials.PerRPCCredentials for a call.
 	Creds credentials.PerRPCCredentials
 
@@ -756,6 +589,16 @@ type CallHdr struct {
 	PreviousAttempts int // value of grpc-previous-rpc-attempts header to set
 
 	DoneFunc func() // called when the stream is finished
+
+	// Authority is used to explicitly override the `:authority` header.
+	//
+	// This value comes from one of two sources:
+	// 1. The `CallAuthority` call option, if specified by the user.
+	// 2. An override provided by the LB picker (e.g. xDS authority rewriting).
+	//
+	// The `CallAuthority` call option always takes precedence over the LB
+	// picker override.
+	Authority string
 }
 
 // ClientTransport is the common interface for all gRPC client-side transport
@@ -773,18 +616,8 @@ type ClientTransport interface {
 	// It does not block.
 	GracefulClose()
 
-	// Write sends the data for the given stream. A nil stream indicates
-	// the write is to be performed on the transport as a whole.
-	Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *Options) error
-
 	// NewStream creates a Stream for an RPC.
-	NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, error)
-
-	// CloseStream clears the footprint of a stream when the stream is
-	// not needed any more. The err indicates the error incurred when
-	// CloseStream is called. Must be called when a stream is finished
-	// unless the associated transport is closing.
-	CloseStream(stream *Stream, err error)
+	NewStream(ctx context.Context, callHdr *CallHdr, handler stats.Handler) (*ClientStream, error)
 
 	// Error returns a channel that is closed when some I/O error
 	// happens. Typically the caller should have a goroutine to monitor
@@ -802,14 +635,9 @@ type ClientTransport interface {
 	// with a human readable string with debug info.
 	GetGoAwayReason() (GoAwayReason, string)
 
-	// RemoteAddr returns the remote network address.
-	RemoteAddr() net.Addr
-
-	// IncrMsgSent increments the number of message sent through this transport.
-	IncrMsgSent()
-
-	// IncrMsgRecv increments the number of message received through this transport.
-	IncrMsgRecv()
+	// Peer returns information about the peer associated with the Transport.
+	// The returned information includes authentication and network address details.
+	Peer() *peer.Peer
 }
 
 // ServerTransport is the common interface for all gRPC server-side transport
@@ -819,19 +647,7 @@ type ClientTransport interface {
 // Write methods for a given Stream will be called serially.
 type ServerTransport interface {
 	// HandleStreams receives incoming streams using the given handler.
-	HandleStreams(context.Context, func(*Stream))
-
-	// WriteHeader sends the header metadata for the given stream.
-	// WriteHeader may not be called on all streams.
-	WriteHeader(s *Stream, md metadata.MD) error
-
-	// Write sends the data for the given stream.
-	// Write may not be called on all streams.
-	Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *Options) error
-
-	// WriteStatus sends the status of a stream to the client.  WriteStatus is
-	// the final call made on a stream and always occurs.
-	WriteStatus(s *Stream, st *status.Status) error
+	HandleStreams(context.Context, func(*ServerStream))
 
 	// Close tears down the transport. Once it is called, the transport
 	// should not be accessed any more. All the pending streams and their
@@ -843,12 +659,16 @@ type ServerTransport interface {
 
 	// Drain notifies the client this ServerTransport stops accepting new RPCs.
 	Drain(debugData string)
+}
 
-	// IncrMsgSent increments the number of message sent through this transport.
-	IncrMsgSent()
-
-	// IncrMsgRecv increments the number of message received through this transport.
-	IncrMsgRecv()
+type internalServerTransport interface {
+	ServerTransport
+	writeHeader(s *ServerStream, md metadata.MD) error
+	write(s *ServerStream, hdr []byte, data mem.BufferSlice, opts *WriteOptions) error
+	writeStatus(s *ServerStream, st *status.Status) error
+	incrMsgRecv()
+	adjustWindow(s *ServerStream, n uint32)
+	updateWindow(s *ServerStream, n uint32)
 }
 
 // connectionErrorf creates an ConnectionError with the specified error description.
diff --git a/vendor/google.golang.org/grpc/internal/xds/clients/config.go b/vendor/google.golang.org/grpc/internal/xds/clients/config.go
new file mode 100644
index 00000000..f106465f
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/xds/clients/config.go
@@ -0,0 +1,112 @@
+/*
+ *
+ * Copyright 2024 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+// Package clients provides implementations of the clients to interact with
+// xDS and LRS servers.
+//
+// # xDS Client
+//
+// The xDS client allows applications to:
+//   - Create client instances with in-memory configurations.
+//   - Register watches for named resources.
+//   - Receive resources via the ADS (Aggregated Discovery Service) stream.
+//
+// This enables applications to dynamically discover and configure resources
+// such as listeners, routes, clusters, and endpoints from an xDS management
+// server.
+//
+// # LRS Client
+//
+// The LRS (Load Reporting Service) client allows applications to report load
+// data to an LRS server via the LRS stream. This data can be used for
+// monitoring, traffic management, and other purposes.
+//
+// # Experimental
+//
+// NOTICE: This package is EXPERIMENTAL and may be changed or removed
+// in a later release.
+package clients
+
+// ServerIdentifier holds identifying information for connecting to an xDS
+// management or LRS server.
+type ServerIdentifier struct {
+	// ServerURI is the target URI of the server.
+	ServerURI string
+
+	// Extensions can be populated with arbitrary data to be passed to the
+	// TransportBuilder and/or xDS Client's ResourceType implementations.
+	// This field can be used to provide additional configuration or context
+	// specific to the user's needs.
+	//
+	// The xDS and LRS clients do not interpret the contents of this field.
+	// It is the responsibility of the user's custom TransportBuilder and/or
+	// ResourceType implementations to handle and interpret these extensions.
+	//
+	// For example, a custom TransportBuilder might use this field to
+	// configure a specific security credentials.
+	//
+	// Extensions may be any type that is comparable, as they are used as map
+	// keys internally. If Extensions are not able to be used as a map key,
+	// the client may panic.
+	//
+	// See: https://go.dev/ref/spec#Comparison_operators
+	//
+	// Any equivalent extensions in all ServerIdentifiers present in a single
+	// client's configuration should have the same value. Not following this
+	// restriction may result in excess resource usage.
+	Extensions any
+}
+
+// Node represents the identity of the xDS client, allowing xDS and LRS servers
+// to identify the source of xDS requests.
+type Node struct {
+	// ID is a string identifier of the application.
+	ID string
+	// Cluster is the name of the cluster the application belongs to.
+	Cluster string
+	// Locality is the location of the application including region, zone,
+	// sub-zone.
+	Locality Locality
+	// Metadata provides additional context about the application by associating
+	// arbitrary key-value pairs with it.
+	Metadata any
+	// UserAgentName is the user agent name of application.
+	UserAgentName string
+	// UserAgentVersion is the user agent version of application.
+	UserAgentVersion string
+}
+
+// Locality represents the location of the xDS client application.
+type Locality struct {
+	// Region is the region of the xDS client application.
+	Region string
+	// Zone is the area within a region.
+	Zone string
+	// SubZone is the further subdivision within a zone.
+	SubZone string
+}
+
+// MetricsReporter is used by the XDSClient to report metrics.
+type MetricsReporter interface {
+	// ReportMetric reports a metric. The metric will be one of the predefined
+	// set of types depending on the client (XDSClient or LRSClient).
+	//
+	// Each client will produce different metrics. Please see the client's
+	// documentation for a list of possible metrics events.
+	ReportMetric(metric any)
+}
diff --git a/vendor/google.golang.org/grpc/internal/xds/clients/transport_builder.go b/vendor/google.golang.org/grpc/internal/xds/clients/transport_builder.go
new file mode 100644
index 00000000..f940675d
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/xds/clients/transport_builder.go
@@ -0,0 +1,53 @@
+/*
+ *
+ * Copyright 2024 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package clients
+
+import (
+	"context"
+)
+
+// TransportBuilder provides the functionality to create a communication
+// channel to an xDS or LRS server.
+type TransportBuilder interface {
+	// Build creates a new Transport instance to the server based on the
+	// provided ServerIdentifier.
+	Build(serverIdentifier ServerIdentifier) (Transport, error)
+}
+
+// Transport provides the functionality to communicate with an xDS or LRS
+// server using streaming calls.
+type Transport interface {
+	// NewStream creates a new streaming call to the server for the specific
+	// RPC method name. The returned Stream interface can be used to send and
+	// receive messages on the stream.
+	NewStream(context.Context, string) (Stream, error)
+
+	// Close closes the Transport.
+	Close()
+}
+
+// Stream provides methods to send and receive messages on a stream. Messages
+// are represented as a byte slice.
+type Stream interface {
+	// Send sends the provided message on the stream.
+	Send([]byte) error
+
+	// Recv blocks until the next message is received on the stream.
+	Recv() ([]byte, error)
+}
diff --git a/vendor/google.golang.org/grpc/internal/xds/xds.go b/vendor/google.golang.org/grpc/internal/xds/xds.go
index 024c388b..b05d8660 100644
--- a/vendor/google.golang.org/grpc/internal/xds/xds.go
+++ b/vendor/google.golang.org/grpc/internal/xds/xds.go
@@ -14,12 +14,18 @@
  * limitations under the License.
  */
 
-// Package xds contains methods to Get/Set handshake cluster names. It is separated
-// out from the top level /internal package to avoid circular dependencies.
+// Package xds contains functions, structs, and utilities for working with
+// handshake cluster names, as well as shared components used by xds balancers
+// and resolvers. It is separated from the top-level /internal package to
+// avoid circular dependencies.
 package xds
 
 import (
+	"fmt"
+
 	"google.golang.org/grpc/attributes"
+	"google.golang.org/grpc/internal"
+	"google.golang.org/grpc/internal/xds/clients"
 	"google.golang.org/grpc/resolver"
 )
 
@@ -40,3 +46,78 @@ func GetXDSHandshakeClusterName(attr *attributes.Attributes) (string, bool) {
 	name, ok := v.(string)
 	return name, ok
 }
+
+// addressToTelemetryLabels prepares a telemetry label map from resolver
+// address attributes.
+func addressToTelemetryLabels(addr resolver.Address) map[string]string {
+	cluster, _ := GetXDSHandshakeClusterName(addr.Attributes)
+	locality := LocalityString(GetLocalityID(addr))
+	return map[string]string{
+		"grpc.lb.locality":        locality,
+		"grpc.lb.backend_service": cluster,
+	}
+}
+
+// LocalityString generates a string representation of clients.Locality in the
+// format specified in gRFC A76.
+func LocalityString(l clients.Locality) string {
+	return fmt.Sprintf("{region=%q, zone=%q, sub_zone=%q}", l.Region, l.Zone, l.SubZone)
+}
+
+// IsLocalityEqual allows the values to be compared by Attributes.Equal.
+func IsLocalityEqual(l clients.Locality, o any) bool {
+	ol, ok := o.(clients.Locality)
+	if !ok {
+		return false
+	}
+	return l.Region == ol.Region && l.Zone == ol.Zone && l.SubZone == ol.SubZone
+}
+
+// LocalityFromString converts a string representation of clients.locality as
+// specified in gRFC A76, into a LocalityID struct.
+func LocalityFromString(s string) (ret clients.Locality, _ error) {
+	_, err := fmt.Sscanf(s, "{region=%q, zone=%q, sub_zone=%q}", &ret.Region, &ret.Zone, &ret.SubZone)
+	if err != nil {
+		return clients.Locality{}, fmt.Errorf("%s is not a well formatted locality ID, error: %v", s, err)
+	}
+	return ret, nil
+}
+
+type localityKeyType string
+
+const localityKey = localityKeyType("grpc.xds.internal.address.locality")
+
+// GetLocalityID returns the locality ID of addr.
+func GetLocalityID(addr resolver.Address) clients.Locality {
+	path, _ := addr.BalancerAttributes.Value(localityKey).(clients.Locality)
+	return path
+}
+
+// SetLocalityID sets locality ID in addr to l.
+func SetLocalityID(addr resolver.Address, l clients.Locality) resolver.Address {
+	addr.BalancerAttributes = addr.BalancerAttributes.WithValue(localityKey, l)
+	return addr
+}
+
+// SetLocalityIDInEndpoint sets locality ID in endpoint to l.
+func SetLocalityIDInEndpoint(endpoint resolver.Endpoint, l clients.Locality) resolver.Endpoint {
+	endpoint.Attributes = endpoint.Attributes.WithValue(localityKey, l)
+	return endpoint
+}
+
+// LocalityIDFromEndpoint returns the locality ID of ep.
+func LocalityIDFromEndpoint(ep resolver.Endpoint) clients.Locality {
+	path, _ := ep.Attributes.Value(localityKey).(clients.Locality)
+	return path
+}
+
+// UnknownCSMLabels are TelemetryLabels emitted from CDS if CSM Telemetry Label
+// data is not present in the CDS Resource.
+var UnknownCSMLabels = map[string]string{
+	"csm.service_name":           "unknown",
+	"csm.service_namespace_name": "unknown",
+}
+
+func init() {
+	internal.AddressToTelemetryLabels = addressToTelemetryLabels
+}
diff --git a/vendor/google.golang.org/grpc/keepalive/keepalive.go b/vendor/google.golang.org/grpc/keepalive/keepalive.go
index 34d31b5e..eb42b19f 100644
--- a/vendor/google.golang.org/grpc/keepalive/keepalive.go
+++ b/vendor/google.golang.org/grpc/keepalive/keepalive.go
@@ -34,15 +34,29 @@ type ClientParameters struct {
 	// After a duration of this time if the client doesn't see any activity it
 	// pings the server to see if the transport is still alive.
 	// If set below 10s, a minimum value of 10s will be used instead.
-	Time time.Duration // The current default value is infinity.
+	//
+	// Note that gRPC servers have a default EnforcementPolicy.MinTime of 5
+	// minutes (which means the client shouldn't ping more frequently than every
+	// 5 minutes).
+	//
+	// Though not ideal, it's not a strong requirement for Time to be less than
+	// EnforcementPolicy.MinTime.  Time will automatically double if the server
+	// disconnects due to its enforcement policy.
+	//
+	// For more details, see
+	// https://github.com/grpc/proposal/blob/master/A8-client-side-keepalive.md
+	Time time.Duration
 	// After having pinged for keepalive check, the client waits for a duration
 	// of Timeout and if no activity is seen even after that the connection is
 	// closed.
-	Timeout time.Duration // The current default value is 20 seconds.
+	//
+	// If keepalive is enabled, and this value is not explicitly set, the default
+	// is 20 seconds.
+	Timeout time.Duration
 	// If true, client sends keepalive pings even with no active RPCs. If false,
 	// when there are no active RPCs, Time and Timeout will be ignored and no
 	// keepalive pings will be sent.
-	PermitWithoutStream bool // false by default.
+	PermitWithoutStream bool
 }
 
 // ServerParameters is used to set keepalive and max-age parameters on the
diff --git a/vendor/google.golang.org/grpc/mem/buffer_pool.go b/vendor/google.golang.org/grpc/mem/buffer_pool.go
index c37c58c0..2ea763a4 100644
--- a/vendor/google.golang.org/grpc/mem/buffer_pool.go
+++ b/vendor/google.golang.org/grpc/mem/buffer_pool.go
@@ -32,12 +32,17 @@ type BufferPool interface {
 	Get(length int) *[]byte
 
 	// Put returns a buffer to the pool.
+	//
+	// The provided pointer must hold a prefix of the buffer obtained via
+	// BufferPool.Get to ensure the buffer's entire capacity can be re-used.
 	Put(*[]byte)
 }
 
+const goPageSize = 4 << 10 // 4KiB. N.B. this must be a power of 2.
+
 var defaultBufferPoolSizes = []int{
 	256,
-	4 << 10,  // 4KB (go page size)
+	goPageSize,
 	16 << 10, // 16KB (max HTTP/2 frame size used by gRPC)
 	32 << 10, // 32KB (default buffer size for io.Copy)
 	1 << 20,  // 1MB
@@ -48,7 +53,7 @@ var defaultBufferPool BufferPool
 func init() {
 	defaultBufferPool = NewTieredBufferPool(defaultBufferPoolSizes...)
 
-	internal.SetDefaultBufferPoolForTesting = func(pool BufferPool) {
+	internal.SetDefaultBufferPool = func(pool BufferPool) {
 		defaultBufferPool = pool
 	}
 
@@ -118,7 +123,11 @@ type sizedBufferPool struct {
 }
 
 func (p *sizedBufferPool) Get(size int) *[]byte {
-	buf := p.pool.Get().(*[]byte)
+	buf, ok := p.pool.Get().(*[]byte)
+	if !ok {
+		buf := make([]byte, size, p.defaultSize)
+		return &buf
+	}
 	b := *buf
 	clear(b[:cap(b)])
 	*buf = b[:size]
@@ -137,12 +146,6 @@ func (p *sizedBufferPool) Put(buf *[]byte) {
 
 func newSizedBufferPool(size int) *sizedBufferPool {
 	return &sizedBufferPool{
-		pool: sync.Pool{
-			New: func() any {
-				buf := make([]byte, size)
-				return &buf
-			},
-		},
 		defaultSize: size,
 	}
 }
@@ -160,6 +163,7 @@ type simpleBufferPool struct {
 func (p *simpleBufferPool) Get(size int) *[]byte {
 	bs, ok := p.pool.Get().(*[]byte)
 	if ok && cap(*bs) >= size {
+		clear((*bs)[:cap(*bs)])
 		*bs = (*bs)[:size]
 		return bs
 	}
@@ -170,7 +174,14 @@ func (p *simpleBufferPool) Get(size int) *[]byte {
 		p.pool.Put(bs)
 	}
 
-	b := make([]byte, size)
+	// If we're going to allocate, round up to the nearest page. This way if
+	// requests frequently arrive with small variation we don't allocate
+	// repeatedly if we get unlucky and they increase over time. By default we
+	// only allocate here if size > 1MiB. Because goPageSize is a power of 2, we
+	// can round up efficiently.
+	allocSize := (size + goPageSize - 1) & ^(goPageSize - 1)
+
+	b := make([]byte, size, allocSize)
 	return &b
 }
 
diff --git a/vendor/google.golang.org/grpc/mem/buffer_slice.go b/vendor/google.golang.org/grpc/mem/buffer_slice.go
index 228e9c2f..084fb19c 100644
--- a/vendor/google.golang.org/grpc/mem/buffer_slice.go
+++ b/vendor/google.golang.org/grpc/mem/buffer_slice.go
@@ -19,9 +19,15 @@
 package mem
 
 import (
+	"fmt"
 	"io"
 )
 
+const (
+	// 32 KiB is what io.Copy uses.
+	readAllBufSize = 32 * 1024
+)
+
 // BufferSlice offers a means to represent data that spans one or more Buffer
 // instances. A BufferSlice is meant to be immutable after creation, and methods
 // like Ref create and return copies of the slice. This is why all methods have
@@ -112,47 +118,53 @@ func (s BufferSlice) MaterializeToBuffer(pool BufferPool) Buffer {
 
 // Reader returns a new Reader for the input slice after taking references to
 // each underlying buffer.
-func (s BufferSlice) Reader() Reader {
+func (s BufferSlice) Reader() *Reader {
 	s.Ref()
-	return &sliceReader{
+	return &Reader{
 		data: s,
 		len:  s.Len(),
 	}
 }
 
 // Reader exposes a BufferSlice's data as an io.Reader, allowing it to interface
-// with other parts systems. It also provides an additional convenience method
-// Remaining(), which returns the number of unread bytes remaining in the slice.
+// with other systems.
+//
 // Buffers will be freed as they are read.
-type Reader interface {
-	io.Reader
-	io.ByteReader
-	// Close frees the underlying BufferSlice and never returns an error. Subsequent
-	// calls to Read will return (0, io.EOF).
-	Close() error
-	// Remaining returns the number of unread bytes remaining in the slice.
-	Remaining() int
-}
-
-type sliceReader struct {
+//
+// A Reader can be constructed from a BufferSlice; alternatively the zero value
+// of a Reader may be used after calling Reset on it.
+type Reader struct {
 	data BufferSlice
 	len  int
 	// The index into data[0].ReadOnlyData().
 	bufferIdx int
 }
 
-func (r *sliceReader) Remaining() int {
+// Remaining returns the number of unread bytes remaining in the slice.
+func (r *Reader) Remaining() int {
 	return r.len
 }
 
-func (r *sliceReader) Close() error {
+// Reset frees the currently held buffer slice and starts reading from the
+// provided slice. This allows reusing the reader object.
+func (r *Reader) Reset(s BufferSlice) {
+	r.data.Free()
+	s.Ref()
+	r.data = s
+	r.len = s.Len()
+	r.bufferIdx = 0
+}
+
+// Close frees the underlying BufferSlice and never returns an error. Subsequent
+// calls to Read will return (0, io.EOF).
+func (r *Reader) Close() error {
 	r.data.Free()
 	r.data = nil
 	r.len = 0
 	return nil
 }
 
-func (r *sliceReader) freeFirstBufferIfEmpty() bool {
+func (r *Reader) freeFirstBufferIfEmpty() bool {
 	if len(r.data) == 0 || r.bufferIdx != len(r.data[0].ReadOnlyData()) {
 		return false
 	}
@@ -163,7 +175,7 @@ func (r *sliceReader) freeFirstBufferIfEmpty() bool {
 	return true
 }
 
-func (r *sliceReader) Read(buf []byte) (n int, _ error) {
+func (r *Reader) Read(buf []byte) (n int, _ error) {
 	if r.len == 0 {
 		return 0, io.EOF
 	}
@@ -186,7 +198,8 @@ func (r *sliceReader) Read(buf []byte) (n int, _ error) {
 	return n, nil
 }
 
-func (r *sliceReader) ReadByte() (byte, error) {
+// ReadByte reads a single byte.
+func (r *Reader) ReadByte() (byte, error) {
 	if r.len == 0 {
 		return 0, io.EOF
 	}
@@ -219,8 +232,114 @@ func (w *writer) Write(p []byte) (n int, err error) {
 
 // NewWriter wraps the given BufferSlice and BufferPool to implement the
 // io.Writer interface. Every call to Write copies the contents of the given
-// buffer into a new Buffer pulled from the given pool and the Buffer is added to
-// the given BufferSlice.
+// buffer into a new Buffer pulled from the given pool and the Buffer is
+// added to the given BufferSlice.
 func NewWriter(buffers *BufferSlice, pool BufferPool) io.Writer {
 	return &writer{buffers: buffers, pool: pool}
 }
+
+// ReadAll reads from r until an error or EOF and returns the data it read.
+// A successful call returns err == nil, not err == EOF. Because ReadAll is
+// defined to read from src until EOF, it does not treat an EOF from Read
+// as an error to be reported.
+//
+// Important: A failed call returns a non-nil error and may also return
+// partially read buffers. It is the responsibility of the caller to free the
+// BufferSlice returned, or its memory will not be reused.
+func ReadAll(r io.Reader, pool BufferPool) (BufferSlice, error) {
+	var result BufferSlice
+	if wt, ok := r.(io.WriterTo); ok {
+		// This is more optimal since wt knows the size of chunks it wants to
+		// write and, hence, we can allocate buffers of an optimal size to fit
+		// them. E.g. might be a single big chunk, and we wouldn't chop it
+		// into pieces.
+		w := NewWriter(&result, pool)
+		_, err := wt.WriteTo(w)
+		return result, err
+	}
+nextBuffer:
+	for {
+		buf := pool.Get(readAllBufSize)
+		// We asked for 32KiB but may have been given a bigger buffer.
+		// Use all of it if that's the case.
+		*buf = (*buf)[:cap(*buf)]
+		usedCap := 0
+		for {
+			n, err := r.Read((*buf)[usedCap:])
+			usedCap += n
+			if err != nil {
+				if usedCap == 0 {
+					// Nothing in this buf, put it back
+					pool.Put(buf)
+				} else {
+					*buf = (*buf)[:usedCap]
+					result = append(result, NewBuffer(buf, pool))
+				}
+				if err == io.EOF {
+					err = nil
+				}
+				return result, err
+			}
+			if len(*buf) == usedCap {
+				result = append(result, NewBuffer(buf, pool))
+				continue nextBuffer
+			}
+		}
+	}
+}
+
+// Discard skips the next n bytes, returning the number of bytes discarded.
+//
+// It frees buffers as they are fully consumed.
+//
+// If Discard skips fewer than n bytes, it also returns an error.
+func (r *Reader) Discard(n int) (discarded int, err error) {
+	total := n
+	for n > 0 && r.len > 0 {
+		curData := r.data[0].ReadOnlyData()
+		curSize := min(n, len(curData)-r.bufferIdx)
+		n -= curSize
+		r.len -= curSize
+		r.bufferIdx += curSize
+		if r.bufferIdx >= len(curData) {
+			r.data[0].Free()
+			r.data = r.data[1:]
+			r.bufferIdx = 0
+		}
+	}
+	discarded = total - n
+	if n > 0 {
+		return discarded, fmt.Errorf("insufficient bytes in reader")
+	}
+	return discarded, nil
+}
+
+// Peek returns the next n bytes without advancing the reader.
+//
+// Peek appends results to the provided res slice and returns the updated slice.
+// This pattern allows re-using the storage of res if it has sufficient
+// capacity.
+//
+// The returned subslices are views into the underlying buffers and are only
+// valid until the reader is advanced past the corresponding buffer.
+//
+// If Peek returns fewer than n bytes, it also returns an error.
+func (r *Reader) Peek(n int, res [][]byte) ([][]byte, error) {
+	for i := 0; n > 0 && i < len(r.data); i++ {
+		curData := r.data[i].ReadOnlyData()
+		start := 0
+		if i == 0 {
+			start = r.bufferIdx
+		}
+		curSize := min(n, len(curData)-start)
+		if curSize == 0 {
+			continue
+		}
+		res = append(res, curData[start:start+curSize])
+		n -= curSize
+	}
+	if n > 0 {
+		return nil, fmt.Errorf("insufficient bytes in reader")
+	}
+	return res, nil
+}
diff --git a/vendor/google.golang.org/grpc/mem/buffers.go b/vendor/google.golang.org/grpc/mem/buffers.go
index 975ceb71..db1620e6 100644
--- a/vendor/google.golang.org/grpc/mem/buffers.go
+++ b/vendor/google.golang.org/grpc/mem/buffers.go
@@ -62,17 +62,29 @@ var (
 	bufferPoolingThreshold = 1 << 10
 
 	bufferObjectPool = sync.Pool{New: func() any { return new(buffer) }}
-	refObjectPool    = sync.Pool{New: func() any { return new(atomic.Int32) }}
 )
 
+// IsBelowBufferPoolingThreshold returns true if the given size is less than or
+// equal to the threshold for buffer pooling. This is used to determine whether
+// to pool buffers or allocate them directly.
 func IsBelowBufferPoolingThreshold(size int) bool {
 	return size <= bufferPoolingThreshold
 }
 
 type buffer struct {
+	refs atomic.Int32
+	data []byte
+
+	// rootBuf is the buffer responsible for returning origData to the pool
+	// once the reference count drops to 0.
+	//
+	// When a buffer is split, the new buffer inherits the rootBuf of the
+	// original and increments the root's reference count. For the
+	// initial buffer (the root), this field points to itself.
+	rootBuf *buffer
+
+	// The following fields are only set for root buffers.
 	origData *[]byte
-	data     []byte
-	refs     *atomic.Int32
 	pool     BufferPool
 }
 
@@ -89,15 +101,19 @@ func newBuffer() *buffer {
 //
 // Note that the backing array of the given data is not copied.
 func NewBuffer(data *[]byte, pool BufferPool) Buffer {
-	if pool == nil || IsBelowBufferPoolingThreshold(len(*data)) {
+	// Use the buffer's capacity instead of the length, otherwise buffers may
+	// not be reused under certain conditions. For example, if a large buffer
+	// is acquired from the pool, but fewer bytes than the buffering threshold
+	// are written to it, the buffer will not be returned to the pool.
+	if pool == nil || IsBelowBufferPoolingThreshold(cap(*data)) {
 		return (SliceBuffer)(*data)
 	}
 	b := newBuffer()
 	b.origData = data
 	b.data = *data
 	b.pool = pool
-	b.refs = refObjectPool.Get().(*atomic.Int32)
-	b.refs.Add(1)
+	b.rootBuf = b
+	b.refs.Store(1)
 	return b
 }
 
@@ -120,42 +136,44 @@ func Copy(data []byte, pool BufferPool) Buffer {
 }
 
 func (b *buffer) ReadOnlyData() []byte {
-	if b.refs == nil {
+	if b.rootBuf == nil {
 		panic("Cannot read freed buffer")
 	}
 	return b.data
 }
 
 func (b *buffer) Ref() {
-	if b.refs == nil {
+	if b.refs.Add(1) <= 1 {
 		panic("Cannot ref freed buffer")
 	}
-	b.refs.Add(1)
 }
 
 func (b *buffer) Free() {
-	if b.refs == nil {
+	refs := b.refs.Add(-1)
+	if refs < 0 {
 		panic("Cannot free freed buffer")
 	}
-
-	refs := b.refs.Add(-1)
-	switch {
-	case refs > 0:
+	if refs > 0 {
 		return
-	case refs == 0:
+	}
+
+	b.data = nil
+	if b.rootBuf == b {
+		// This buffer is the owner of the data slice and its ref count reached
+		// 0, free the slice.
 		if b.pool != nil {
 			b.pool.Put(b.origData)
+			b.pool = nil
 		}
-
-		refObjectPool.Put(b.refs)
 		b.origData = nil
-		b.data = nil
-		b.refs = nil
-		b.pool = nil
-		bufferObjectPool.Put(b)
-	default:
-		panic("Cannot free freed buffer")
+	} else {
+		// This buffer doesn't own the data slice, decrement a ref on the root
+		// buffer.
+		b.rootBuf.Free()
 	}
+
+	b.rootBuf = nil
+	bufferObjectPool.Put(b)
 }
 
 func (b *buffer) Len() int {
@@ -163,16 +181,14 @@ func (b *buffer) Len() int {
 }
 
 func (b *buffer) split(n int) (Buffer, Buffer) {
-	if b.refs == nil {
+	if b.rootBuf == nil || b.rootBuf.refs.Add(1) <= 1 {
 		panic("Cannot split freed buffer")
 	}
 
-	b.refs.Add(1)
 	split := newBuffer()
-	split.origData = b.origData
 	split.data = b.data[n:]
-	split.refs = b.refs
-	split.pool = b.pool
+	split.rootBuf = b.rootBuf
+	split.refs.Store(1)
 
 	b.data = b.data[:n]
 
@@ -180,7 +196,7 @@ func (b *buffer) split(n int) (Buffer, Buffer) {
 }
 
 func (b *buffer) read(buf []byte) (int, Buffer) {
-	if b.refs == nil {
+	if b.rootBuf == nil {
 		panic("Cannot read freed buffer")
 	}
 
@@ -194,19 +210,19 @@ func (b *buffer) read(buf []byte) (int, Buffer) {
 	return n, b
 }
 
-// String returns a string representation of the buffer. May be used for
-// debugging purposes.
 func (b *buffer) String() string {
 	return fmt.Sprintf("mem.Buffer(%p, data: %p, length: %d)", b, b.ReadOnlyData(), len(b.ReadOnlyData()))
 }
 
+// ReadUnsafe reads bytes from the given Buffer into the provided slice.
+// It does not perform safety checks.
 func ReadUnsafe(dst []byte, buf Buffer) (int, Buffer) {
 	return buf.read(dst)
 }
 
 // SplitUnsafe modifies the receiver to point to the first n bytes while it
-// returns a new reference to the remaining bytes. The returned Buffer functions
-// just like a normal reference acquired using Ref().
+// returns a new reference to the remaining bytes. The returned Buffer
+// functions just like a normal reference acquired using Ref().
 func SplitUnsafe(buf Buffer, n int) (left, right Buffer) {
 	return buf.split(n)
 }
@@ -224,20 +240,29 @@ func (e emptyBuffer) Len() int {
 	return 0
 }
 
-func (e emptyBuffer) split(n int) (left, right Buffer) {
+func (e emptyBuffer) split(int) (left, right Buffer) {
 	return e, e
 }
 
-func (e emptyBuffer) read(buf []byte) (int, Buffer) {
+func (e emptyBuffer) read([]byte) (int, Buffer) {
 	return 0, e
 }
 
+// SliceBuffer is a Buffer implementation that wraps a byte slice. It provides
+// methods for reading, splitting, and managing the byte slice.
 type SliceBuffer []byte
 
+// ReadOnlyData returns the byte slice.
 func (s SliceBuffer) ReadOnlyData() []byte { return s }
-func (s SliceBuffer) Ref()                 {}
-func (s SliceBuffer) Free()                {}
-func (s SliceBuffer) Len() int             { return len(s) }
+
+// Ref is a noop implementation of Ref.
+func (s SliceBuffer) Ref() {}
+
+// Free is a noop implementation of Free.
+func (s SliceBuffer) Free() {}
+
+// Len is a noop implementation of Len.
+func (s SliceBuffer) Len() int { return len(s) }
 
 func (s SliceBuffer) split(n int) (left, right Buffer) {
 	return s[:n], s[n:]
diff --git a/vendor/google.golang.org/grpc/picker_wrapper.go b/vendor/google.golang.org/grpc/picker_wrapper.go
index bdaa2130..aa52bfe9 100644
--- a/vendor/google.golang.org/grpc/picker_wrapper.go
+++ b/vendor/google.golang.org/grpc/picker_wrapper.go
@@ -29,7 +29,6 @@ import (
 	"google.golang.org/grpc/internal/channelz"
 	istatus "google.golang.org/grpc/internal/status"
 	"google.golang.org/grpc/internal/transport"
-	"google.golang.org/grpc/stats"
 	"google.golang.org/grpc/status"
 )
 
@@ -48,14 +47,11 @@ type pickerGeneration struct {
 // actions and unblock when there's a picker update.
 type pickerWrapper struct {
 	// If pickerGen holds a nil pointer, the pickerWrapper is closed.
-	pickerGen     atomic.Pointer[pickerGeneration]
-	statsHandlers []stats.Handler // to record blocking picker calls
+	pickerGen atomic.Pointer[pickerGeneration]
 }
 
-func newPickerWrapper(statsHandlers []stats.Handler) *pickerWrapper {
-	pw := &pickerWrapper{
-		statsHandlers: statsHandlers,
-	}
+func newPickerWrapper() *pickerWrapper {
+	pw := &pickerWrapper{}
 	pw.pickerGen.Store(&pickerGeneration{
 		blockingCh: make(chan struct{}),
 	})
@@ -93,6 +89,12 @@ func doneChannelzWrapper(acbw *acBalancerWrapper, result *balancer.PickResult) {
 	}
 }
 
+type pick struct {
+	transport transport.ClientTransport // the selected transport
+	result    balancer.PickResult       // the contents of the pick from the LB policy
+	blocked   bool                      // set if a picker call queued for a new picker
+}
+
 // pick returns the transport that will be used for the RPC.
 // It may block in the following cases:
 // - there's no picker
@@ -100,15 +102,16 @@ func doneChannelzWrapper(acbw *acBalancerWrapper, result *balancer.PickResult) {
 // - the current picker returns other errors and failfast is false.
 // - the subConn returned by the current picker is not READY
 // When one of these situations happens, pick blocks until the picker gets updated.
-func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.PickInfo) (transport.ClientTransport, balancer.PickResult, error) {
+func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.PickInfo) (pick, error) {
 	var ch chan struct{}
 
 	var lastPickErr error
+	pickBlocked := false
 
 	for {
 		pg := pw.pickerGen.Load()
 		if pg == nil {
-			return nil, balancer.PickResult{}, ErrClientConnClosing
+			return pick{}, ErrClientConnClosing
 		}
 		if pg.picker == nil {
 			ch = pg.blockingCh
@@ -123,13 +126,13 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
 				if lastPickErr != nil {
 					errStr = "latest balancer error: " + lastPickErr.Error()
 				} else {
-					errStr = fmt.Sprintf("received context error while waiting for new LB policy update: %s", ctx.Err().Error())
+					errStr = fmt.Sprintf("%v while waiting for connections to become ready", ctx.Err())
 				}
 				switch ctx.Err() {
 				case context.DeadlineExceeded:
-					return nil, balancer.PickResult{}, status.Error(codes.DeadlineExceeded, errStr)
+					return pick{}, status.Error(codes.DeadlineExceeded, errStr)
 				case context.Canceled:
-					return nil, balancer.PickResult{}, status.Error(codes.Canceled, errStr)
+					return pick{}, status.Error(codes.Canceled, errStr)
 				}
 			case <-ch:
 			}
@@ -145,9 +148,7 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
 		// In the second case, the only way it will get to this conditional is
 		// if there is a new picker.
 		if ch != nil {
-			for _, sh := range pw.statsHandlers {
-				sh.HandleRPC(ctx, &stats.PickerUpdated{})
-			}
+			pickBlocked = true
 		}
 
 		ch = pg.blockingCh
@@ -164,7 +165,7 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
 				if istatus.IsRestrictedControlPlaneCode(st) {
 					err = status.Errorf(codes.Internal, "received picker error with illegal status: %v", err)
 				}
-				return nil, balancer.PickResult{}, dropError{error: err}
+				return pick{}, dropError{error: err}
 			}
 			// For all other errors, wait for ready RPCs should block and other
 			// RPCs should fail with unavailable.
@@ -172,7 +173,7 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
 				lastPickErr = err
 				continue
 			}
-			return nil, balancer.PickResult{}, status.Error(codes.Unavailable, err.Error())
+			return pick{}, status.Error(codes.Unavailable, err.Error())
 		}
 
 		acbw, ok := pickResult.SubConn.(*acBalancerWrapper)
@@ -183,9 +184,8 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
 		if t := acbw.ac.getReadyTransport(); t != nil {
 			if channelz.IsOn() {
 				doneChannelzWrapper(acbw, &pickResult)
-				return t, pickResult, nil
 			}
-			return t, pickResult, nil
+			return pick{transport: t, result: pickResult, blocked: pickBlocked}, nil
 		}
 		if pickResult.Done != nil {
 			// Calling done with nil error, no bytes sent and no bytes received.
diff --git a/vendor/google.golang.org/grpc/preloader.go b/vendor/google.golang.org/grpc/preloader.go
index e87a17f3..1e783feb 100644
--- a/vendor/google.golang.org/grpc/preloader.go
+++ b/vendor/google.golang.org/grpc/preloader.go
@@ -47,9 +47,6 @@ func (p *PreparedMsg) Encode(s Stream, msg any) error {
 	}
 
 	// check if the context has the relevant information to prepareMsg
-	if rpcInfo.preloaderInfo == nil {
-		return status.Errorf(codes.Internal, "grpc: rpcInfo.preloaderInfo is nil")
-	}
 	if rpcInfo.preloaderInfo.codec == nil {
 		return status.Errorf(codes.Internal, "grpc: rpcInfo.preloaderInfo.codec is nil")
 	}
@@ -62,7 +59,7 @@ func (p *PreparedMsg) Encode(s Stream, msg any) error {
 
 	materializedData := data.Materialize()
 	data.Free()
-	p.encodedData = mem.BufferSlice{mem.NewBuffer(&materializedData, nil)}
+	p.encodedData = mem.BufferSlice{mem.SliceBuffer(materializedData)}
 
 	// TODO: it should be possible to grab the bufferPool from the underlying
 	//  stream implementation with a type cast to its actual type (such as
@@ -76,7 +73,7 @@ func (p *PreparedMsg) Encode(s Stream, msg any) error {
 	if p.pf.isCompressed() {
 		materializedCompData := compData.Materialize()
 		compData.Free()
-		compData = mem.BufferSlice{mem.NewBuffer(&materializedCompData, nil)}
+		compData = mem.BufferSlice{mem.SliceBuffer(materializedCompData)}
 	}
 
 	p.hdr, p.payload = msgHeader(p.encodedData, compData, p.pf)
diff --git a/vendor/google.golang.org/grpc/resolver/manual/manual.go b/vendor/google.golang.org/grpc/resolver/manual/manual.go
index f2efa2a2..82fcc2e3 100644
--- a/vendor/google.golang.org/grpc/resolver/manual/manual.go
+++ b/vendor/google.golang.org/grpc/resolver/manual/manual.go
@@ -62,7 +62,7 @@ type Resolver struct {
 	// Fields actually belong to the resolver.
 	// Guards access to below fields.
 	mu sync.Mutex
-	CC resolver.ClientConn
+	cc resolver.ClientConn
 	// Storing the most recent state update makes this resolver resilient to
 	// restarts, which is possible with channel idleness.
 	lastSeenState *resolver.State
@@ -76,12 +76,14 @@ func (r *Resolver) InitialState(s resolver.State) {
 
 // Build returns itself for Resolver, because it's both a builder and a resolver.
 func (r *Resolver) Build(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOptions) (resolver.Resolver, error) {
-	r.BuildCallback(target, cc, opts)
 	r.mu.Lock()
 	defer r.mu.Unlock()
-	r.CC = cc
+	// Call BuildCallback after locking to avoid a race when UpdateState or CC
+	// is called before Build returns.
+	r.BuildCallback(target, cc, opts)
+	r.cc = cc
 	if r.lastSeenState != nil {
-		err := r.CC.UpdateState(*r.lastSeenState)
+		err := r.cc.UpdateState(*r.lastSeenState)
 		go r.UpdateStateCallback(err)
 	}
 	return r, nil
@@ -102,25 +104,27 @@ func (r *Resolver) Close() {
 	r.CloseCallback()
 }
 
-// UpdateState calls CC.UpdateState.
+// UpdateState calls UpdateState(s) on the channel.  If the resolver has not
+// been Built before, this instead sets the initial state of the resolver, like
+// InitialState.
 func (r *Resolver) UpdateState(s resolver.State) {
 	r.mu.Lock()
 	defer r.mu.Unlock()
-	var err error
-	if r.CC == nil {
-		panic("cannot update state as grpc.Dial with resolver has not been called")
-	}
-	err = r.CC.UpdateState(s)
 	r.lastSeenState = &s
+	if r.cc == nil {
+		return
+	}
+	err := r.cc.UpdateState(s)
 	r.UpdateStateCallback(err)
 }
 
-// ReportError calls CC.ReportError.
-func (r *Resolver) ReportError(err error) {
+// CC returns r's ClientConn when r was last Built.  Panics if the resolver has
+// not been Built before.
+func (r *Resolver) CC() resolver.ClientConn {
 	r.mu.Lock()
 	defer r.mu.Unlock()
-	if r.CC == nil {
-		panic("cannot report error as grpc.Dial with resolver has not been called")
+	if r.cc == nil {
+		panic("Manual resolver instance has not yet been built.")
 	}
-	r.CC.ReportError(err)
+	return r.cc
 }
diff --git a/vendor/google.golang.org/grpc/resolver/map.go b/vendor/google.golang.org/grpc/resolver/map.go
index ada5b9bb..c3c15ac9 100644
--- a/vendor/google.golang.org/grpc/resolver/map.go
+++ b/vendor/google.golang.org/grpc/resolver/map.go
@@ -18,16 +18,28 @@
 
 package resolver
 
-type addressMapEntry struct {
+import (
+	"encoding/base64"
+	"sort"
+	"strings"
+)
+
+type addressMapEntry[T any] struct {
 	addr  Address
-	value any
+	value T
 }
 
-// AddressMap is a map of addresses to arbitrary values taking into account
+// AddressMap is an AddressMapV2[any].  It will be deleted in an upcoming
+// release of grpc-go.
+//
+// Deprecated: use the generic AddressMapV2 type instead.
+type AddressMap = AddressMapV2[any]
+
+// AddressMapV2 is a map of addresses to arbitrary values taking into account
 // Attributes.  BalancerAttributes are ignored, as are Metadata and Type.
 // Multiple accesses may not be performed concurrently.  Must be created via
 // NewAddressMap; do not construct directly.
-type AddressMap struct {
+type AddressMapV2[T any] struct {
 	// The underlying map is keyed by an Address with fields that we don't care
 	// about being set to their zero values. The only fields that we care about
 	// are `Addr`, `ServerName` and `Attributes`. Since we need to be able to
@@ -41,23 +53,30 @@ type AddressMap struct {
 	// The value type of the map contains a slice of addresses which match the key
 	// in their `Addr` and `ServerName` fields and contain the corresponding value
 	// associated with them.
-	m map[Address]addressMapEntryList
+	m map[Address]addressMapEntryList[T]
 }
 
 func toMapKey(addr *Address) Address {
 	return Address{Addr: addr.Addr, ServerName: addr.ServerName}
 }
 
-type addressMapEntryList []*addressMapEntry
+type addressMapEntryList[T any] []*addressMapEntry[T]
 
-// NewAddressMap creates a new AddressMap.
+// NewAddressMap creates a new AddressMapV2[any].
+//
+// Deprecated: use the generic NewAddressMapV2 constructor instead.
 func NewAddressMap() *AddressMap {
-	return &AddressMap{m: make(map[Address]addressMapEntryList)}
+	return NewAddressMapV2[any]()
+}
+
+// NewAddressMapV2 creates a new AddressMapV2.
+func NewAddressMapV2[T any]() *AddressMapV2[T] {
+	return &AddressMapV2[T]{m: make(map[Address]addressMapEntryList[T])}
 }
 
 // find returns the index of addr in the addressMapEntry slice, or -1 if not
 // present.
-func (l addressMapEntryList) find(addr Address) int {
+func (l addressMapEntryList[T]) find(addr Address) int {
 	for i, entry := range l {
 		// Attributes are the only thing to match on here, since `Addr` and
 		// `ServerName` are already equal.
@@ -69,28 +88,28 @@ func (l addressMapEntryList) find(addr Address) int {
 }
 
 // Get returns the value for the address in the map, if present.
-func (a *AddressMap) Get(addr Address) (value any, ok bool) {
+func (a *AddressMapV2[T]) Get(addr Address) (value T, ok bool) {
 	addrKey := toMapKey(&addr)
 	entryList := a.m[addrKey]
 	if entry := entryList.find(addr); entry != -1 {
 		return entryList[entry].value, true
 	}
-	return nil, false
+	return value, false
 }
 
 // Set updates or adds the value to the address in the map.
-func (a *AddressMap) Set(addr Address, value any) {
+func (a *AddressMapV2[T]) Set(addr Address, value T) {
 	addrKey := toMapKey(&addr)
 	entryList := a.m[addrKey]
 	if entry := entryList.find(addr); entry != -1 {
 		entryList[entry].value = value
 		return
 	}
-	a.m[addrKey] = append(entryList, &addressMapEntry{addr: addr, value: value})
+	a.m[addrKey] = append(entryList, &addressMapEntry[T]{addr: addr, value: value})
 }
 
 // Delete removes addr from the map.
-func (a *AddressMap) Delete(addr Address) {
+func (a *AddressMapV2[T]) Delete(addr Address) {
 	addrKey := toMapKey(&addr)
 	entryList := a.m[addrKey]
 	entry := entryList.find(addr)
@@ -107,7 +126,7 @@ func (a *AddressMap) Delete(addr Address) {
 }
 
 // Len returns the number of entries in the map.
-func (a *AddressMap) Len() int {
+func (a *AddressMapV2[T]) Len() int {
 	ret := 0
 	for _, entryList := range a.m {
 		ret += len(entryList)
@@ -116,7 +135,7 @@ func (a *AddressMap) Len() int {
 }
 
 // Keys returns a slice of all current map keys.
-func (a *AddressMap) Keys() []Address {
+func (a *AddressMapV2[T]) Keys() []Address {
 	ret := make([]Address, 0, a.Len())
 	for _, entryList := range a.m {
 		for _, entry := range entryList {
@@ -127,8 +146,8 @@ func (a *AddressMap) Keys() []Address {
 }
 
 // Values returns a slice of all current map values.
-func (a *AddressMap) Values() []any {
-	ret := make([]any, 0, a.Len())
+func (a *AddressMapV2[T]) Values() []T {
+	ret := make([]T, 0, a.Len())
 	for _, entryList := range a.m {
 		for _, entry := range entryList {
 			ret = append(ret, entry.value)
@@ -137,70 +156,65 @@ func (a *AddressMap) Values() []any {
 	return ret
 }
 
-type endpointNode struct {
-	addrs map[string]struct{}
-}
-
-// Equal returns whether the unordered set of addrs are the same between the
-// endpoint nodes.
-func (en *endpointNode) Equal(en2 *endpointNode) bool {
-	if len(en.addrs) != len(en2.addrs) {
-		return false
-	}
-	for addr := range en.addrs {
-		if _, ok := en2.addrs[addr]; !ok {
-			return false
-		}
-	}
-	return true
-}
-
-func toEndpointNode(endpoint Endpoint) endpointNode {
-	en := make(map[string]struct{})
-	for _, addr := range endpoint.Addresses {
-		en[addr.Addr] = struct{}{}
-	}
-	return endpointNode{
-		addrs: en,
-	}
-}
+type endpointMapKey string
 
 // EndpointMap is a map of endpoints to arbitrary values keyed on only the
 // unordered set of address strings within an endpoint. This map is not thread
 // safe, thus it is unsafe to access concurrently. Must be created via
 // NewEndpointMap; do not construct directly.
-type EndpointMap struct {
-	endpoints map[*endpointNode]any
+type EndpointMap[T any] struct {
+	endpoints map[endpointMapKey]endpointData[T]
+}
+
+type endpointData[T any] struct {
+	// decodedKey stores the original key to avoid decoding when iterating on
+	// EndpointMap keys.
+	decodedKey Endpoint
+	value      T
 }
 
 // NewEndpointMap creates a new EndpointMap.
-func NewEndpointMap() *EndpointMap {
-	return &EndpointMap{
-		endpoints: make(map[*endpointNode]any),
+func NewEndpointMap[T any]() *EndpointMap[T] {
+	return &EndpointMap[T]{
+		endpoints: make(map[endpointMapKey]endpointData[T]),
 	}
 }
 
+// encodeEndpoint returns a string that uniquely identifies the unordered set of
+// addresses within an endpoint.
+func encodeEndpoint(e Endpoint) endpointMapKey {
+	addrs := make([]string, 0, len(e.Addresses))
+	// base64 encoding the address strings restricts the characters present
+	// within the strings. This allows us to use a delimiter without the need of
+	// escape characters.
+	for _, addr := range e.Addresses {
+		addrs = append(addrs, base64.StdEncoding.EncodeToString([]byte(addr.Addr)))
+	}
+	sort.Strings(addrs)
+	// " " should not appear in base64 encoded strings.
+	return endpointMapKey(strings.Join(addrs, " "))
+}
+
 // Get returns the value for the address in the map, if present.
-func (em *EndpointMap) Get(e Endpoint) (value any, ok bool) {
-	en := toEndpointNode(e)
-	if endpoint := em.find(en); endpoint != nil {
-		return em.endpoints[endpoint], true
+func (em *EndpointMap[T]) Get(e Endpoint) (value T, ok bool) {
+	val, found := em.endpoints[encodeEndpoint(e)]
+	if found {
+		return val.value, true
 	}
-	return nil, false
+	return value, false
 }
 
 // Set updates or adds the value to the address in the map.
-func (em *EndpointMap) Set(e Endpoint, value any) {
-	en := toEndpointNode(e)
-	if endpoint := em.find(en); endpoint != nil {
-		em.endpoints[endpoint] = value
-		return
+func (em *EndpointMap[T]) Set(e Endpoint, value T) {
+	en := encodeEndpoint(e)
+	em.endpoints[en] = endpointData[T]{
+		decodedKey: Endpoint{Addresses: e.Addresses},
+		value:      value,
 	}
-	em.endpoints[&en] = value
 }
 
 // Len returns the number of entries in the map.
-func (em *EndpointMap) Len() int {
+func (em *EndpointMap[T]) Len() int {
 	return len(em.endpoints)
 }
 
@@ -209,43 +223,25 @@ func (em *EndpointMap) Len() int {
 // the unordered set of addresses. Thus, endpoint information returned is not
 // the full endpoint data (drops duplicated addresses and attributes) but can be
 // used for EndpointMap accesses.
-func (em *EndpointMap) Keys() []Endpoint {
+func (em *EndpointMap[T]) Keys() []Endpoint {
 	ret := make([]Endpoint, 0, len(em.endpoints))
-	for en := range em.endpoints {
-		var endpoint Endpoint
-		for addr := range en.addrs {
-			endpoint.Addresses = append(endpoint.Addresses, Address{Addr: addr})
-		}
-		ret = append(ret, endpoint)
+	for _, en := range em.endpoints {
+		ret = append(ret, en.decodedKey)
 	}
 	return ret
 }
 
 // Values returns a slice of all current map values.
-func (em *EndpointMap) Values() []any {
-	ret := make([]any, 0, len(em.endpoints))
+func (em *EndpointMap[T]) Values() []T {
+	ret := make([]T, 0, len(em.endpoints))
 	for _, val := range em.endpoints {
-		ret = append(ret, val)
+		ret = append(ret, val.value)
 	}
 	return ret
 }
 
-// find returns a pointer to the endpoint node in em if the endpoint node is
-// already present. If not found, nil is returned. The comparisons are done on
-// the unordered set of addresses within an endpoint.
-func (em EndpointMap) find(e endpointNode) *endpointNode {
-	for endpoint := range em.endpoints {
-		if e.Equal(endpoint) {
-			return endpoint
-		}
-	}
-	return nil
-}
-
 // Delete removes the specified endpoint from the map.
-func (em *EndpointMap) Delete(e Endpoint) {
-	en := toEndpointNode(e)
-	if entry := em.find(en); entry != nil {
-		delete(em.endpoints, entry)
-	}
+func (em *EndpointMap[T]) Delete(e Endpoint) {
+	en := encodeEndpoint(e)
+	delete(em.endpoints, en)
 }
diff --git a/vendor/google.golang.org/grpc/resolver/resolver.go b/vendor/google.golang.org/grpc/resolver/resolver.go
index 20285451..598ed21a 100644
--- a/vendor/google.golang.org/grpc/resolver/resolver.go
+++ b/vendor/google.golang.org/grpc/resolver/resolver.go
@@ -22,6 +22,7 @@ package resolver
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"net"
 	"net/url"
@@ -29,6 +30,7 @@ import (
 
 	"google.golang.org/grpc/attributes"
 	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/experimental/stats"
 	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/serviceconfig"
 )
@@ -174,10 +176,13 @@ type BuildOptions struct {
 	// Authority is the effective authority of the clientconn for which the
 	// resolver is built.
 	Authority string
+	// MetricsRecorder is the metrics recorder to do recording.
+	MetricsRecorder stats.MetricsRecorder
 }
 
 // An Endpoint is one network endpoint, or server, which may have multiple
 // addresses with which it can be accessed.
+// TODO(i/8773) : make resolver.Endpoint and resolver.Address immutable
 type Endpoint struct {
 	// Addresses contains a list of addresses used to access this endpoint.
 	Addresses []Address
@@ -237,8 +242,8 @@ type ClientConn interface {
 	// UpdateState can be omitted.
 	UpdateState(State) error
 	// ReportError notifies the ClientConn that the Resolver encountered an
-	// error.  The ClientConn will notify the load balancer and begin calling
-	// ResolveNow on the Resolver with exponential backoff.
+	// error. The ClientConn then forwards this error to the load balancing
+	// policy.
 	ReportError(error)
 	// NewAddress is called by resolver to notify ClientConn a new list
 	// of resolved addresses.
@@ -328,5 +333,27 @@ type AuthorityOverrider interface {
 	// OverrideAuthority returns the authority to use for a ClientConn with the
 	// given target. The implementation must generate it without blocking,
 	// typically in line, and must keep it unchanged.
+	//
+	// The returned string must be a valid ":authority" header value, i.e. be
+	// encoded according to
+	// [RFC3986](https://datatracker.ietf.org/doc/html/rfc3986#section-3.2) as
+	// necessary.
 	OverrideAuthority(Target) string
 }
+
+// ValidateEndpoints validates endpoints from a petiole policy's perspective.
+// Petiole policies should call this before calling into their children. See
+// [gRPC A61](https://github.com/grpc/proposal/blob/master/A61-IPv4-IPv6-dualstack-backends.md)
+// for details.
+func ValidateEndpoints(endpoints []Endpoint) error {
+	if len(endpoints) == 0 {
+		return errors.New("endpoints list is empty")
+	}
+
+	for _, endpoint := range endpoints {
+		for range endpoint.Addresses {
+			return nil
+		}
+	}
+	return errors.New("endpoints list contains no addresses")
+}
diff --git a/vendor/google.golang.org/grpc/resolver_wrapper.go b/vendor/google.golang.org/grpc/resolver_wrapper.go
index 23bb3fb2..6e613764 100644
--- a/vendor/google.golang.org/grpc/resolver_wrapper.go
+++ b/vendor/google.golang.org/grpc/resolver_wrapper.go
@@ -26,6 +26,7 @@ import (
 	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/internal/grpcsync"
 	"google.golang.org/grpc/internal/pretty"
+	"google.golang.org/grpc/internal/resolver/delegatingresolver"
 	"google.golang.org/grpc/resolver"
 	"google.golang.org/grpc/serviceconfig"
 )
@@ -68,6 +69,7 @@ func (ccr *ccResolverWrapper) start() error {
 	errCh := make(chan error)
 	ccr.serializer.TrySchedule(func(ctx context.Context) {
 		if ctx.Err() != nil {
+			errCh <- ctx.Err()
 			return
 		}
 		opts := resolver.BuildOptions{
@@ -76,9 +78,19 @@ func (ccr *ccResolverWrapper) start() error {
 			CredsBundle:          ccr.cc.dopts.copts.CredsBundle,
 			Dialer:               ccr.cc.dopts.copts.Dialer,
 			Authority:            ccr.cc.authority,
+			MetricsRecorder:      ccr.cc.metricsRecorderList,
 		}
 		var err error
-		ccr.resolver, err = ccr.cc.resolverBuilder.Build(ccr.cc.parsedTarget, ccr, opts)
+		// The delegating resolver is used unless:
+		//   - A custom dialer is provided via WithContextDialer dialoption or
+		//   - Proxy usage is disabled through WithNoProxy dialoption.
+		// In these cases, the resolver is built based on the scheme of target,
+		// using the appropriate resolver builder.
+		if ccr.cc.dopts.copts.Dialer != nil || !ccr.cc.dopts.useProxy {
+			ccr.resolver, err = ccr.cc.resolverBuilder.Build(ccr.cc.parsedTarget, ccr, opts)
+		} else {
+			ccr.resolver, err = delegatingresolver.New(ccr.cc.parsedTarget, ccr, opts, ccr.cc.resolverBuilder, ccr.cc.dopts.enableLocalDNSResolution)
+		}
 		errCh <- err
 	})
 	return <-errCh
@@ -123,12 +135,7 @@ func (ccr *ccResolverWrapper) UpdateState(s resolver.State) error {
 		return nil
 	}
 	if s.Endpoints == nil {
-		s.Endpoints = make([]resolver.Endpoint, 0, len(s.Addresses))
-		for _, a := range s.Addresses {
-			ep := resolver.Endpoint{Addresses: []resolver.Address{a}, Attributes: a.BalancerAttributes}
-			ep.Addresses[0].BalancerAttributes = nil
-			s.Endpoints = append(s.Endpoints, ep)
-		}
+		s.Endpoints = addressesToEndpoints(s.Addresses)
 	}
 	ccr.addChannelzTraceEvent(s)
 	ccr.curState = s
@@ -161,7 +168,11 @@ func (ccr *ccResolverWrapper) NewAddress(addrs []resolver.Address) {
 		ccr.cc.mu.Unlock()
 		return
 	}
-	s := resolver.State{Addresses: addrs, ServiceConfig: ccr.curState.ServiceConfig}
+	s := resolver.State{
+		Addresses:     addrs,
+		ServiceConfig: ccr.curState.ServiceConfig,
+		Endpoints:     addressesToEndpoints(addrs),
+	}
 	ccr.addChannelzTraceEvent(s)
 	ccr.curState = s
 	ccr.mu.Unlock()
@@ -199,3 +210,13 @@ func (ccr *ccResolverWrapper) addChannelzTraceEvent(s resolver.State) {
 	}
 	channelz.Infof(logger, ccr.cc.channelz, "Resolver state updated: %s (%v)", pretty.ToJSON(s), strings.Join(updates, "; "))
 }
+
+func addressesToEndpoints(addrs []resolver.Address) []resolver.Endpoint {
+	endpoints := make([]resolver.Endpoint, 0, len(addrs))
+	for _, a := range addrs {
+		ep := resolver.Endpoint{Addresses: []resolver.Address{a}, Attributes: a.BalancerAttributes}
+		ep.Addresses[0].BalancerAttributes = nil
+		endpoints = append(endpoints, ep)
+	}
+	return endpoints
+}
diff --git a/vendor/google.golang.org/grpc/rpc_util.go b/vendor/google.golang.org/grpc/rpc_util.go
index db8865ec..8160f943 100644
--- a/vendor/google.golang.org/grpc/rpc_util.go
+++ b/vendor/google.golang.org/grpc/rpc_util.go
@@ -33,6 +33,8 @@ import (
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/encoding"
 	"google.golang.org/grpc/encoding/proto"
+	"google.golang.org/grpc/internal"
+	"google.golang.org/grpc/internal/grpcutil"
 	"google.golang.org/grpc/internal/transport"
 	"google.golang.org/grpc/mem"
 	"google.golang.org/grpc/metadata"
@@ -41,6 +43,10 @@ import (
 	"google.golang.org/grpc/status"
 )
 
+func init() {
+	internal.AcceptCompressors = acceptCompressors
+}
+
 // Compressor defines the interface gRPC uses to compress a message.
 //
 // Deprecated: use package encoding.
@@ -151,15 +157,32 @@ func (d *gzipDecompressor) Type() string {
 
 // callInfo contains all related configuration and information about an RPC.
 type callInfo struct {
-	compressorType        string
-	failFast              bool
-	maxReceiveMessageSize *int
-	maxSendMessageSize    *int
-	creds                 credentials.PerRPCCredentials
-	contentSubtype        string
-	codec                 baseCodec
-	maxRetryRPCBufferSize int
-	onFinish              []func(err error)
+	compressorName              string
+	failFast                    bool
+	maxReceiveMessageSize       *int
+	maxSendMessageSize          *int
+	creds                       credentials.PerRPCCredentials
+	contentSubtype              string
+	codec                       baseCodec
+	maxRetryRPCBufferSize       int
+	onFinish                    []func(err error)
+	authority                   string
+	acceptedResponseCompressors []string
+}
+
+func acceptedCompressorAllows(allowed []string, name string) bool {
+	if allowed == nil {
+		return true
+	}
+	if name == "" || name == encoding.Identity {
+		return true
+	}
+	for _, a := range allowed {
+		if a == name {
+			return true
+		}
+	}
+	return false
 }
 
 func defaultCallInfo() *callInfo {
@@ -169,6 +192,29 @@ func defaultCallInfo() *callInfo {
 	}
 }
 
+func newAcceptedCompressionConfig(names []string) ([]string, error) {
+	if len(names) == 0 {
+		return nil, nil
+	}
+	var allowed []string
+	seen := make(map[string]struct{}, len(names))
+	for _, name := range names {
+		name = strings.TrimSpace(name)
+		if name == "" || name == encoding.Identity {
+			continue
+		}
+		if !grpcutil.IsCompressorNameRegistered(name) {
+			return nil, status.Errorf(codes.InvalidArgument, "grpc: compressor %q is not registered", name)
+		}
+		if _, dup := seen[name]; dup {
+			continue
+		}
+		seen[name] = struct{}{}
+		allowed = append(allowed, name)
+	}
+	return allowed, nil
+}
+
 // CallOption configures a Call before it starts or extracts information from
 // a Call after it completes.
 type CallOption interface {
@@ -220,9 +266,9 @@ type HeaderCallOption struct {
 	HeaderAddr *metadata.MD
 }
 
-func (o HeaderCallOption) before(c *callInfo) error { return nil }
-func (o HeaderCallOption) after(c *callInfo, attempt *csAttempt) {
-	*o.HeaderAddr, _ = attempt.s.Header()
+func (o HeaderCallOption) before(*callInfo) error { return nil }
+func (o HeaderCallOption) after(_ *callInfo, attempt *csAttempt) {
+	*o.HeaderAddr, _ = attempt.transportStream.Header()
 }
 
 // Trailer returns a CallOptions that retrieves the trailer metadata
@@ -242,9 +288,9 @@ type TrailerCallOption struct {
 	TrailerAddr *metadata.MD
 }
 
-func (o TrailerCallOption) before(c *callInfo) error { return nil }
-func (o TrailerCallOption) after(c *callInfo, attempt *csAttempt) {
-	*o.TrailerAddr = attempt.s.Trailer()
+func (o TrailerCallOption) before(*callInfo) error { return nil }
+func (o TrailerCallOption) after(_ *callInfo, attempt *csAttempt) {
+	*o.TrailerAddr = attempt.transportStream.Trailer()
 }
 
 // Peer returns a CallOption that retrieves peer information for a unary RPC.
@@ -264,9 +310,9 @@ type PeerCallOption struct {
 	PeerAddr *peer.Peer
 }
 
-func (o PeerCallOption) before(c *callInfo) error { return nil }
-func (o PeerCallOption) after(c *callInfo, attempt *csAttempt) {
-	if x, ok := peer.FromContext(attempt.s.Context()); ok {
+func (o PeerCallOption) before(*callInfo) error { return nil }
+func (o PeerCallOption) after(_ *callInfo, attempt *csAttempt) {
+	if x, ok := peer.FromContext(attempt.transportStream.Context()); ok {
 		*o.PeerAddr = *x
 	}
 }
@@ -304,7 +350,7 @@ func (o FailFastCallOption) before(c *callInfo) error {
 	c.failFast = o.FailFast
 	return nil
 }
-func (o FailFastCallOption) after(c *callInfo, attempt *csAttempt) {}
+func (o FailFastCallOption) after(*callInfo, *csAttempt) {}
 
 // OnFinish returns a CallOption that configures a callback to be called when
 // the call completes. The error passed to the callback is the status of the
@@ -339,7 +385,7 @@ func (o OnFinishCallOption) before(c *callInfo) error {
 	return nil
 }
 
-func (o OnFinishCallOption) after(c *callInfo, attempt *csAttempt) {}
+func (o OnFinishCallOption) after(*callInfo, *csAttempt) {}
 
 // MaxCallRecvMsgSize returns a CallOption which sets the maximum message size
 // in bytes the client can receive. If this is not set, gRPC uses the default
@@ -363,7 +409,37 @@ func (o MaxRecvMsgSizeCallOption) before(c *callInfo) error {
 	c.maxReceiveMessageSize = &o.MaxRecvMsgSize
 	return nil
 }
-func (o MaxRecvMsgSizeCallOption) after(c *callInfo, attempt *csAttempt) {}
+func (o MaxRecvMsgSizeCallOption) after(*callInfo, *csAttempt) {}
+
+// CallAuthority returns a CallOption that sets the HTTP/2 :authority header of
+// an RPC to the specified value. When using CallAuthority, the credentials in
+// use must implement the AuthorityValidator interface.
+//
+// # Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a later
+// release.
+func CallAuthority(authority string) CallOption {
+	return AuthorityOverrideCallOption{Authority: authority}
+}
+
+// AuthorityOverrideCallOption is a CallOption that indicates the HTTP/2
+// :authority header value to use for the call.
+//
+// # Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a later
+// release.
+type AuthorityOverrideCallOption struct {
+	Authority string
+}
+
+func (o AuthorityOverrideCallOption) before(c *callInfo) error {
+	c.authority = o.Authority
+	return nil
+}
+
+func (o AuthorityOverrideCallOption) after(*callInfo, *csAttempt) {}
 
 // MaxCallSendMsgSize returns a CallOption which sets the maximum message size
 // in bytes the client can send. If this is not set, gRPC uses the default
@@ -387,7 +463,7 @@ func (o MaxSendMsgSizeCallOption) before(c *callInfo) error {
 	c.maxSendMessageSize = &o.MaxSendMsgSize
 	return nil
 }
-func (o MaxSendMsgSizeCallOption) after(c *callInfo, attempt *csAttempt) {}
+func (o MaxSendMsgSizeCallOption) after(*callInfo, *csAttempt) {}
 
 // PerRPCCredentials returns a CallOption that sets credentials.PerRPCCredentials
 // for a call.
@@ -410,7 +486,7 @@ func (o PerRPCCredsCallOption) before(c *callInfo) error {
 	c.creds = o.Creds
 	return nil
 }
-func (o PerRPCCredsCallOption) after(c *callInfo, attempt *csAttempt) {}
+func (o PerRPCCredsCallOption) after(*callInfo, *csAttempt) {}
 
 // UseCompressor returns a CallOption which sets the compressor used when
 // sending the request.  If WithCompressor is also set, UseCompressor has
@@ -435,10 +511,35 @@ type CompressorCallOption struct {
 }
 
 func (o CompressorCallOption) before(c *callInfo) error {
-	c.compressorType = o.CompressorType
+	c.compressorName = o.CompressorType
+	return nil
+}
+func (o CompressorCallOption) after(*callInfo, *csAttempt) {}
+
+// acceptCompressors returns a CallOption that limits the compression algorithms
+// advertised in the grpc-accept-encoding header for response messages.
+// Compression algorithms not in the provided list will not be advertised, and
+// responses compressed with non-listed algorithms will be rejected.
+func acceptCompressors(names ...string) CallOption {
+	cp := append([]string(nil), names...)
+	return acceptCompressorsCallOption{names: cp}
+}
+
+// acceptCompressorsCallOption is a CallOption that limits response compression.
+type acceptCompressorsCallOption struct {
+	names []string
+}
+
+func (o acceptCompressorsCallOption) before(c *callInfo) error {
+	allowed, err := newAcceptedCompressionConfig(o.names)
+	if err != nil {
+		return err
+	}
+	c.acceptedResponseCompressors = allowed
 	return nil
 }
-func (o CompressorCallOption) after(c *callInfo, attempt *csAttempt) {}
+
+func (acceptCompressorsCallOption) after(*callInfo, *csAttempt) {}
 
 // CallContentSubtype returns a CallOption that will set the content-subtype
 // for a call. For example, if content-subtype is "json", the Content-Type over
@@ -475,7 +576,7 @@ func (o ContentSubtypeCallOption) before(c *callInfo) error {
 	c.contentSubtype = o.ContentSubtype
 	return nil
 }
-func (o ContentSubtypeCallOption) after(c *callInfo, attempt *csAttempt) {}
+func (o ContentSubtypeCallOption) after(*callInfo, *csAttempt) {}
 
 // ForceCodec returns a CallOption that will set codec to be used for all
 // request and response messages for a call. The result of calling Name() will
@@ -514,7 +615,7 @@ func (o ForceCodecCallOption) before(c *callInfo) error {
 	c.codec = newCodecV1Bridge(o.Codec)
 	return nil
 }
-func (o ForceCodecCallOption) after(c *callInfo, attempt *csAttempt) {}
+func (o ForceCodecCallOption) after(*callInfo, *csAttempt) {}
 
 // ForceCodecV2 returns a CallOption that will set codec to be used for all
 // request and response messages for a call. The result of calling Name() will
@@ -554,7 +655,7 @@ func (o ForceCodecV2CallOption) before(c *callInfo) error {
 	return nil
 }
 
-func (o ForceCodecV2CallOption) after(c *callInfo, attempt *csAttempt) {}
+func (o ForceCodecV2CallOption) after(*callInfo, *csAttempt) {}
 
 // CallCustomCodec behaves like ForceCodec, but accepts a grpc.Codec instead of
 // an encoding.Codec.
@@ -579,7 +680,7 @@ func (o CustomCodecCallOption) before(c *callInfo) error {
 	c.codec = newCodecV0Bridge(o.Codec)
 	return nil
 }
-func (o CustomCodecCallOption) after(c *callInfo, attempt *csAttempt) {}
+func (o CustomCodecCallOption) after(*callInfo, *csAttempt) {}
 
 // MaxRetryRPCBufferSize returns a CallOption that limits the amount of memory
 // used for buffering this RPC's requests for retry purposes.
@@ -607,7 +708,7 @@ func (o MaxRetryRPCBufferSizeCallOption) before(c *callInfo) error {
 	c.maxRetryRPCBufferSize = o.MaxRetryRPCBufferSize
 	return nil
 }
-func (o MaxRetryRPCBufferSizeCallOption) after(c *callInfo, attempt *csAttempt) {}
+func (o MaxRetryRPCBufferSizeCallOption) after(*callInfo, *csAttempt) {}
 
 // The format of the payload: compressed or not?
 type payloadFormat uint8
@@ -622,12 +723,24 @@ func (pf payloadFormat) isCompressed() bool {
 }
 
 type streamReader interface {
-	ReadHeader(header []byte) error
+	ReadMessageHeader(header []byte) error
 	Read(n int) (mem.BufferSlice, error)
 }
 
+// noCopy may be embedded into structs which must not be copied
+// after the first use.
+//
+// See https://golang.org/issues/8005#issuecomment-190753527
+// for details.
+type noCopy struct {
+}
+
+func (*noCopy) Lock()   {}
+func (*noCopy) Unlock() {}
+
 // parser reads complete gRPC messages from the underlying reader.
 type parser struct {
+	_ noCopy
 	// r is the underlying reader.
 	// See the comment on recvMsg for the permissible
 	// error types.
@@ -656,7 +769,7 @@ type parser struct {
 // that the underlying streamReader must not return an incompatible
 // error.
 func (p *parser) recvMsg(maxReceiveMessageSize int) (payloadFormat, mem.BufferSlice, error) {
-	err := p.r.ReadHeader(p.header[:])
+	err := p.r.ReadMessageHeader(p.header[:])
 	if err != nil {
 		return 0, nil, err
 	}
@@ -664,9 +777,6 @@ func (p *parser) recvMsg(maxReceiveMessageSize int) (payloadFormat, mem.BufferSl
 	pf := payloadFormat(p.header[0])
 	length := binary.BigEndian.Uint32(p.header[1:])
 
-	if length == 0 {
-		return pf, nil, nil
-	}
 	if int64(length) > int64(maxInt) {
 		return 0, nil, status.Errorf(codes.ResourceExhausted, "grpc: received message larger than max length allowed on current machine (%d vs. %d)", length, maxInt)
 	}
@@ -695,9 +805,9 @@ func encode(c baseCodec, msg any) (mem.BufferSlice, error) {
 	if err != nil {
 		return nil, status.Errorf(codes.Internal, "grpc: error while marshaling: %v", err.Error())
 	}
-	if uint(b.Len()) > math.MaxUint32 {
+	if bufSize := uint(b.Len()); bufSize > math.MaxUint32 {
 		b.Free()
-		return nil, status.Errorf(codes.ResourceExhausted, "grpc: message too large (%d bytes)", len(b))
+		return nil, status.Errorf(codes.ResourceExhausted, "grpc: message too large (%d bytes)", bufSize)
 	}
 	return b, nil
 }
@@ -791,9 +901,8 @@ func checkRecvPayload(pf payloadFormat, recvCompress string, haveCompressor bool
 		if !haveCompressor {
 			if isServer {
 				return status.Newf(codes.Unimplemented, "grpc: Decompressor is not installed for grpc-encoding %q", recvCompress)
-			} else {
-				return status.Newf(codes.Internal, "grpc: Decompressor is not installed for grpc-encoding %q", recvCompress)
 			}
+			return status.Newf(codes.Internal, "grpc: Decompressor is not installed for grpc-encoding %q", recvCompress)
 		}
 	default:
 		return status.Newf(codes.Internal, "grpc: received unexpected payload format %d", pf)
@@ -818,8 +927,7 @@ func (p *payloadInfo) free() {
 // the buffer is no longer needed.
 // TODO: Refactor this function to reduce the number of arguments.
 // See: https://google.github.io/styleguide/go/best-practices.html#function-argument-lists
-func recvAndDecompress(p *parser, s *transport.Stream, dc Decompressor, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor, isServer bool,
-) (out mem.BufferSlice, err error) {
+func recvAndDecompress(p *parser, s recvCompressor, dc Decompressor, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor, isServer bool) (out mem.BufferSlice, err error) {
 	pf, compressed, err := p.recvMsg(maxReceiveMessageSize)
 	if err != nil {
 		return nil, err
@@ -832,30 +940,13 @@ func recvAndDecompress(p *parser, s *transport.Stream, dc Decompressor, maxRecei
 		return nil, st.Err()
 	}
 
-	var size int
 	if pf.isCompressed() {
 		defer compressed.Free()
-
 		// To match legacy behavior, if the decompressor is set by WithDecompressor or RPCDecompressor,
 		// use this decompressor as the default.
-		if dc != nil {
-			var uncompressedBuf []byte
-			uncompressedBuf, err = dc.Do(compressed.Reader())
-			if err == nil {
-				out = mem.BufferSlice{mem.NewBuffer(&uncompressedBuf, nil)}
-			}
-			size = len(uncompressedBuf)
-		} else {
-			out, size, err = decompress(compressor, compressed, maxReceiveMessageSize, p.bufferPool)
-		}
+		out, err = decompress(compressor, compressed, dc, maxReceiveMessageSize, p.bufferPool)
 		if err != nil {
-			return nil, status.Errorf(codes.Internal, "grpc: failed to decompress the received message: %v", err)
-		}
-		if size > maxReceiveMessageSize {
-			out.Free()
-			// TODO: Revisit the error code. Currently keep it consistent with java
-			// implementation.
-			return nil, status.Errorf(codes.ResourceExhausted, "grpc: received message after decompression larger than max (%d vs. %d)", size, maxReceiveMessageSize)
+			return nil, err
 		}
 	} else {
 		out = compressed
@@ -870,49 +961,56 @@ func recvAndDecompress(p *parser, s *transport.Stream, dc Decompressor, maxRecei
 	return out, nil
 }
 
-// Using compressor, decompress d, returning data and size.
-// Optionally, if data will be over maxReceiveMessageSize, just return the size.
-func decompress(compressor encoding.Compressor, d mem.BufferSlice, maxReceiveMessageSize int, pool mem.BufferPool) (mem.BufferSlice, int, error) {
-	dcReader, err := compressor.Decompress(d.Reader())
-	if err != nil {
-		return nil, 0, err
+// decompress processes the given data by decompressing it using either a custom decompressor or a standard compressor.
+// If a custom decompressor is provided, it takes precedence. The function validates that the decompressed data
+// does not exceed the specified maximum size and returns an error if this limit is exceeded.
+// On success, it returns the decompressed data. Otherwise, it returns an error if decompression fails or the data exceeds the size limit.
+func decompress(compressor encoding.Compressor, d mem.BufferSlice, dc Decompressor, maxReceiveMessageSize int, pool mem.BufferPool) (mem.BufferSlice, error) {
+	if dc != nil {
+		uncompressed, err := dc.Do(d.Reader())
+		if err != nil {
+			return nil, status.Errorf(codes.Internal, "grpc: failed to decompress the received message: %v", err)
+		}
+		if len(uncompressed) > maxReceiveMessageSize {
+			return nil, status.Errorf(codes.ResourceExhausted, "grpc: message after decompression larger than max (%d vs. %d)", len(uncompressed), maxReceiveMessageSize)
+		}
+		return mem.BufferSlice{mem.SliceBuffer(uncompressed)}, nil
 	}
+	if compressor != nil {
+		dcReader, err := compressor.Decompress(d.Reader())
+		if err != nil {
+			return nil, status.Errorf(codes.Internal, "grpc: failed to decompress the message: %v", err)
+		}
 
-	// TODO: Can/should this still be preserved with the new BufferSlice API? Are
-	//  there any actual benefits to allocating a single large buffer instead of
-	//  multiple smaller ones?
-	//if sizer, ok := compressor.(interface {
-	//	DecompressedSize(compressedBytes []byte) int
-	//}); ok {
-	//	if size := sizer.DecompressedSize(d); size >= 0 {
-	//		if size > maxReceiveMessageSize {
-	//			return nil, size, nil
-	//		}
-	//		// size is used as an estimate to size the buffer, but we
-	//		// will read more data if available.
-	//		// +MinRead so ReadFrom will not reallocate if size is correct.
-	//		//
-	//		// TODO: If we ensure that the buffer size is the same as the DecompressedSize,
-	//		// we can also utilize the recv buffer pool here.
-	//		buf := bytes.NewBuffer(make([]byte, 0, size+bytes.MinRead))
-	//		bytesRead, err := buf.ReadFrom(io.LimitReader(dcReader, int64(maxReceiveMessageSize)+1))
-	//		return buf.Bytes(), int(bytesRead), err
-	//	}
-	//}
+		// Read at most one byte more than the limit from the decompressor.
+		// Unless the limit is MaxInt64, in which case, that's impossible, so
+		// apply no limit.
+		if limit := int64(maxReceiveMessageSize); limit < math.MaxInt64 {
+			dcReader = io.LimitReader(dcReader, limit+1)
+		}
+		out, err := mem.ReadAll(dcReader, pool)
+		if err != nil {
+			out.Free()
+			return nil, status.Errorf(codes.Internal, "grpc: failed to read decompressed data: %v", err)
+		}
 
-	var out mem.BufferSlice
-	_, err = io.Copy(mem.NewWriter(&out, pool), io.LimitReader(dcReader, int64(maxReceiveMessageSize)+1))
-	if err != nil {
-		out.Free()
-		return nil, 0, err
+		if out.Len() > maxReceiveMessageSize {
+			out.Free()
+			return nil, status.Errorf(codes.ResourceExhausted, "grpc: received message after decompression larger than max %d", maxReceiveMessageSize)
+		}
+		return out, nil
 	}
-	return out, out.Len(), nil
+	return nil, status.Errorf(codes.Internal, "grpc: no decompressor available for compressed payload")
+}
+
+type recvCompressor interface {
+	RecvCompress() string
 }
 
 // For the two compressor parameters, both should not be set, but if they are,
 // dc takes precedence over compressor.
 // TODO(dfawley): wrap the old compressor/decompressor using the new API?
-func recv(p *parser, c baseCodec, s *transport.Stream, dc Decompressor, m any, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor, isServer bool) error {
+func recv(p *parser, c baseCodec, s recvCompressor, dc Decompressor, m any, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor, isServer bool) error {
 	data, err := recvAndDecompress(p, s, dc, maxReceiveMessageSize, payInfo, compressor, isServer)
 	if err != nil {
 		return err
@@ -932,7 +1030,7 @@ func recv(p *parser, c baseCodec, s *transport.Stream, dc Decompressor, m any, m
 // Information about RPC
 type rpcInfo struct {
 	failfast      bool
-	preloaderInfo *compressorInfo
+	preloaderInfo compressorInfo
 }
 
 // Information about Preloader
@@ -951,7 +1049,7 @@ type rpcInfoContextKey struct{}
 func newContextWithRPCInfo(ctx context.Context, failfast bool, codec baseCodec, cp Compressor, comp encoding.Compressor) context.Context {
 	return context.WithValue(ctx, rpcInfoContextKey{}, &rpcInfo{
 		failfast: failfast,
-		preloaderInfo: &compressorInfo{
+		preloaderInfo: compressorInfo{
 			codec: codec,
 			cp:    cp,
 			comp:  comp,
diff --git a/vendor/google.golang.org/grpc/server.go b/vendor/google.golang.org/grpc/server.go
index d1e1415a..8efb29a7 100644
--- a/vendor/google.golang.org/grpc/server.go
+++ b/vendor/google.golang.org/grpc/server.go
@@ -37,12 +37,15 @@ import (
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/encoding"
 	"google.golang.org/grpc/encoding/proto"
+	estats "google.golang.org/grpc/experimental/stats"
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/internal/binarylog"
 	"google.golang.org/grpc/internal/channelz"
+	"google.golang.org/grpc/internal/envconfig"
 	"google.golang.org/grpc/internal/grpcsync"
 	"google.golang.org/grpc/internal/grpcutil"
+	istats "google.golang.org/grpc/internal/stats"
 	"google.golang.org/grpc/internal/transport"
 	"google.golang.org/grpc/keepalive"
 	"google.golang.org/grpc/mem"
@@ -82,17 +85,21 @@ func init() {
 	internal.BinaryLogger = binaryLogger
 	internal.JoinServerOptions = newJoinServerOption
 	internal.BufferPool = bufferPool
+	internal.MetricsRecorderForServer = func(srv *Server) estats.MetricsRecorder {
+		return istats.NewMetricsRecorderList(srv.opts.statsHandlers)
+	}
 }
 
 var statusOK = status.New(codes.OK, "")
 var logger = grpclog.Component("core")
 
-type methodHandler func(srv any, ctx context.Context, dec func(any) error, interceptor UnaryServerInterceptor) (any, error)
+// MethodHandler is a function type that processes a unary RPC method call.
+type MethodHandler func(srv any, ctx context.Context, dec func(any) error, interceptor UnaryServerInterceptor) (any, error)
 
 // MethodDesc represents an RPC service's method specification.
 type MethodDesc struct {
 	MethodName string
-	Handler    methodHandler
+	Handler    MethodHandler
 }
 
 // ServiceDesc represents an RPC service's specification.
@@ -118,7 +125,8 @@ type serviceInfo struct {
 
 // Server is a gRPC server to serve RPC requests.
 type Server struct {
-	opts serverOptions
+	opts         serverOptions
+	statsHandler stats.Handler
 
 	mu  sync.Mutex // guards following
 	lis map[net.Listener]bool
@@ -142,6 +150,8 @@ type Server struct {
 
 	serverWorkerChannel      chan func()
 	serverWorkerChannelClose func()
+
+	strictPathCheckingLogEmitted atomic.Bool
 }
 
 type serverOptions struct {
@@ -173,6 +183,7 @@ type serverOptions struct {
 	numServerWorkers      uint32
 	bufferPool            mem.BufferPool
 	waitForHandlers       bool
+	staticWindowSize      bool
 }
 
 var defaultServerOptions = serverOptions{
@@ -273,6 +284,7 @@ func ReadBufferSize(s int) ServerOption {
 func InitialWindowSize(s int32) ServerOption {
 	return newFuncServerOption(func(o *serverOptions) {
 		o.initialWindowSize = s
+		o.staticWindowSize = true
 	})
 }
 
@@ -281,6 +293,29 @@ func InitialWindowSize(s int32) ServerOption {
 func InitialConnWindowSize(s int32) ServerOption {
 	return newFuncServerOption(func(o *serverOptions) {
 		o.initialConnWindowSize = s
+		o.staticWindowSize = true
+	})
+}
+
+// StaticStreamWindowSize returns a ServerOption to set the initial stream
+// window size to the value provided and disables dynamic flow control.
+// The lower bound for window size is 64K and any value smaller than that
+// will be ignored.
+func StaticStreamWindowSize(s int32) ServerOption {
+	return newFuncServerOption(func(o *serverOptions) {
+		o.initialWindowSize = s
+		o.staticWindowSize = true
+	})
+}
+
+// StaticConnWindowSize returns a ServerOption to set the initial connection
+// window size to the value provided and disables dynamic flow control.
+// The lower bound for window size is 64K and any value smaller than that
+// will be ignored.
+func StaticConnWindowSize(s int32) ServerOption {
+	return newFuncServerOption(func(o *serverOptions) {
+		o.initialConnWindowSize = s
+		o.staticWindowSize = true
 	})
 }
 
@@ -621,8 +656,8 @@ func bufferPool(bufferPool mem.BufferPool) ServerOption {
 // workload (assuming a QPS of a few thousand requests/sec).
 const serverWorkerResetThreshold = 1 << 16
 
-// serverWorker blocks on a *transport.Stream channel forever and waits for
-// data to be fed by serveStreams. This allows multiple requests to be
+// serverWorker blocks on a *transport.ServerStream channel forever and waits
+// for data to be fed by serveStreams. This allows multiple requests to be
 // processed by the same goroutine, removing the need for expensive stack
 // re-allocations (see the runtime.morestack problem [1]).
 //
@@ -642,7 +677,7 @@ func (s *Server) serverWorker() {
 // connections to reduce the time spent overall on runtime.morestack.
 func (s *Server) initServerWorkers() {
 	s.serverWorkerChannel = make(chan func())
-	s.serverWorkerChannelClose = grpcsync.OnceFunc(func() {
+	s.serverWorkerChannelClose = sync.OnceFunc(func() {
 		close(s.serverWorkerChannel)
 	})
 	for i := uint32(0); i < s.opts.numServerWorkers; i++ {
@@ -661,13 +696,14 @@ func NewServer(opt ...ServerOption) *Server {
 		o.apply(&opts)
 	}
 	s := &Server{
-		lis:      make(map[net.Listener]bool),
-		opts:     opts,
-		conns:    make(map[string]map[transport.ServerTransport]bool),
-		services: make(map[string]*serviceInfo),
-		quit:     grpcsync.NewEvent(),
-		done:     grpcsync.NewEvent(),
-		channelz: channelz.RegisterServer(""),
+		lis:          make(map[net.Listener]bool),
+		opts:         opts,
+		statsHandler: istats.NewCombinedHandler(opts.statsHandlers...),
+		conns:        make(map[string]map[transport.ServerTransport]bool),
+		services:     make(map[string]*serviceInfo),
+		quit:         grpcsync.NewEvent(),
+		done:         grpcsync.NewEvent(),
+		channelz:     channelz.RegisterServer(""),
 	}
 	chainUnaryServerInterceptors(s)
 	chainStreamServerInterceptors(s)
@@ -890,9 +926,7 @@ func (s *Server) Serve(lis net.Listener) error {
 					tempDelay = 5 * time.Millisecond
 				} else {
 					tempDelay *= 2
-				}
-				if max := 1 * time.Second; tempDelay > max {
-					tempDelay = max
+					tempDelay = min(tempDelay, 1*time.Second)
 				}
 				s.mu.Lock()
 				s.printf("Accept error: %v; retrying in %v", err, tempDelay)
@@ -968,7 +1002,7 @@ func (s *Server) newHTTP2Transport(c net.Conn) transport.ServerTransport {
 		ConnectionTimeout:     s.opts.connectionTimeout,
 		Credentials:           s.opts.creds,
 		InTapHandle:           s.opts.inTapHandle,
-		StatsHandlers:         s.opts.statsHandlers,
+		StatsHandler:          s.statsHandler,
 		KeepaliveParams:       s.opts.keepaliveParams,
 		KeepalivePolicy:       s.opts.keepalivePolicy,
 		InitialWindowSize:     s.opts.initialWindowSize,
@@ -980,6 +1014,7 @@ func (s *Server) newHTTP2Transport(c net.Conn) transport.ServerTransport {
 		MaxHeaderListSize:     s.opts.maxHeaderListSize,
 		HeaderTableSize:       s.opts.headerTableSize,
 		BufferPool:            s.opts.bufferPool,
+		StaticWindowSize:      s.opts.staticWindowSize,
 	}
 	st, err := transport.NewServerTransport(c, config)
 	if err != nil {
@@ -1004,23 +1039,23 @@ func (s *Server) newHTTP2Transport(c net.Conn) transport.ServerTransport {
 func (s *Server) serveStreams(ctx context.Context, st transport.ServerTransport, rawConn net.Conn) {
 	ctx = transport.SetConnection(ctx, rawConn)
 	ctx = peer.NewContext(ctx, st.Peer())
-	for _, sh := range s.opts.statsHandlers {
-		ctx = sh.TagConn(ctx, &stats.ConnTagInfo{
+	if s.statsHandler != nil {
+		ctx = s.statsHandler.TagConn(ctx, &stats.ConnTagInfo{
 			RemoteAddr: st.Peer().Addr,
 			LocalAddr:  st.Peer().LocalAddr,
 		})
-		sh.HandleConn(ctx, &stats.ConnBegin{})
+		s.statsHandler.HandleConn(ctx, &stats.ConnBegin{})
 	}
 
 	defer func() {
 		st.Close(errors.New("finished serving streams for the server transport"))
-		for _, sh := range s.opts.statsHandlers {
-			sh.HandleConn(ctx, &stats.ConnEnd{})
+		if s.statsHandler != nil {
+			s.statsHandler.HandleConn(ctx, &stats.ConnEnd{})
 		}
 	}()
 
 	streamQuota := newHandlerQuota(s.opts.maxConcurrentStreams)
-	st.HandleStreams(ctx, func(stream *transport.Stream) {
+	st.HandleStreams(ctx, func(stream *transport.ServerStream) {
 		s.handlersWG.Add(1)
 		streamQuota.acquire()
 		f := func() {
@@ -1072,7 +1107,7 @@ var _ http.Handler = (*Server)(nil)
 // Notice: This API is EXPERIMENTAL and may be changed or removed in a
 // later release.
 func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	st, err := transport.NewServerHandlerTransport(w, r, s.opts.statsHandlers, s.opts.bufferPool)
+	st, err := transport.NewServerHandlerTransport(w, r, s.statsHandler, s.opts.bufferPool)
 	if err != nil {
 		// Errors returned from transport.NewServerHandlerTransport have
 		// already been written to w.
@@ -1136,7 +1171,7 @@ func (s *Server) incrCallsFailed() {
 	s.channelz.ServerMetrics.CallsFailed.Add(1)
 }
 
-func (s *Server) sendResponse(ctx context.Context, t transport.ServerTransport, stream *transport.Stream, msg any, cp Compressor, opts *transport.Options, comp encoding.Compressor) error {
+func (s *Server) sendResponse(ctx context.Context, stream *transport.ServerStream, msg any, cp Compressor, opts *transport.WriteOptions, comp encoding.Compressor) error {
 	data, err := encode(s.getCodec(stream.ContentSubtype()), msg)
 	if err != nil {
 		channelz.Error(logger, s.channelz, "grpc: server failed to encode response: ", err)
@@ -1165,13 +1200,9 @@ func (s *Server) sendResponse(ctx context.Context, t transport.ServerTransport,
 	if payloadLen > s.opts.maxSendMessageSize {
 		return status.Errorf(codes.ResourceExhausted, "grpc: trying to send message larger than max (%d vs. %d)", payloadLen, s.opts.maxSendMessageSize)
 	}
-	err = t.Write(stream, hdr, payload, opts)
-	if err == nil {
-		if len(s.opts.statsHandlers) != 0 {
-			for _, sh := range s.opts.statsHandlers {
-				sh.HandleRPC(ctx, outPayload(false, msg, dataLen, payloadLen, time.Now()))
-			}
-		}
+	err = stream.Write(hdr, payload, opts)
+	if err == nil && s.statsHandler != nil {
+		s.statsHandler.HandleRPC(ctx, outPayload(false, msg, dataLen, payloadLen, time.Now()))
 	}
 	return err
 }
@@ -1212,17 +1243,16 @@ func getChainUnaryHandler(interceptors []UnaryServerInterceptor, curr int, info
 	}
 }
 
-func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTransport, stream *transport.Stream, info *serviceInfo, md *MethodDesc, trInfo *traceInfo) (err error) {
-	shs := s.opts.statsHandlers
-	if len(shs) != 0 || trInfo != nil || channelz.IsOn() {
+func (s *Server) processUnaryRPC(ctx context.Context, stream *transport.ServerStream, info *serviceInfo, md *MethodDesc, trInfo *traceInfo) (err error) {
+	sh := s.statsHandler
+	if sh != nil || trInfo != nil || channelz.IsOn() {
 		if channelz.IsOn() {
 			s.incrCallsStarted()
 		}
 		var statsBegin *stats.Begin
-		for _, sh := range shs {
-			beginTime := time.Now()
+		if sh != nil {
 			statsBegin = &stats.Begin{
-				BeginTime:      beginTime,
+				BeginTime:      time.Now(),
 				IsClientStream: false,
 				IsServerStream: false,
 			}
@@ -1250,7 +1280,7 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor
 				trInfo.tr.Finish()
 			}
 
-			for _, sh := range shs {
+			if sh != nil {
 				end := &stats.End{
 					BeginTime: statsBegin.BeginTime,
 					EndTime:   time.Now(),
@@ -1320,7 +1350,7 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor
 		decomp = encoding.GetCompressor(rc)
 		if decomp == nil {
 			st := status.Newf(codes.Unimplemented, "grpc: Decompressor is not installed for grpc-encoding %q", rc)
-			t.WriteStatus(stream, st)
+			stream.WriteStatus(st)
 			return st.Err()
 		}
 	}
@@ -1347,28 +1377,33 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor
 	}
 
 	var payInfo *payloadInfo
-	if len(shs) != 0 || len(binlogs) != 0 {
+	if sh != nil || len(binlogs) != 0 {
 		payInfo = &payloadInfo{}
 		defer payInfo.free()
 	}
 
 	d, err := recvAndDecompress(&parser{r: stream, bufferPool: s.opts.bufferPool}, stream, dc, s.opts.maxReceiveMessageSize, payInfo, decomp, true)
 	if err != nil {
-		if e := t.WriteStatus(stream, status.Convert(err)); e != nil {
+		if e := stream.WriteStatus(status.Convert(err)); e != nil {
 			channelz.Warningf(logger, s.channelz, "grpc: Server.processUnaryRPC failed to write status: %v", e)
 		}
 		return err
 	}
-	defer d.Free()
-	if channelz.IsOn() {
-		t.IncrMsgRecv()
+	freed := false
+	dataFree := func() {
+		if !freed {
+			d.Free()
+			freed = true
+		}
 	}
+	defer dataFree()
 	df := func(v any) error {
+		defer dataFree()
 		if err := s.getCodec(stream.ContentSubtype()).Unmarshal(d, v); err != nil {
 			return status.Errorf(codes.Internal, "grpc: error unmarshalling request: %v", err)
 		}
 
-		for _, sh := range shs {
+		if sh != nil {
 			sh.HandleRPC(ctx, &stats.InPayload{
 				RecvTime:         time.Now(),
 				Payload:          v,
@@ -1404,7 +1439,7 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor
 			trInfo.tr.LazyLog(stringer(appStatus.Message()), true)
 			trInfo.tr.SetError()
 		}
-		if e := t.WriteStatus(stream, appStatus); e != nil {
+		if e := stream.WriteStatus(appStatus); e != nil {
 			channelz.Warningf(logger, s.channelz, "grpc: Server.processUnaryRPC failed to write status: %v", e)
 		}
 		if len(binlogs) != 0 {
@@ -1431,20 +1466,20 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor
 	if trInfo != nil {
 		trInfo.tr.LazyLog(stringer("OK"), false)
 	}
-	opts := &transport.Options{Last: true}
+	opts := &transport.WriteOptions{Last: true}
 
 	// Server handler could have set new compressor by calling SetSendCompressor.
 	// In case it is set, we need to use it for compressing outbound message.
 	if stream.SendCompress() != sendCompressorName {
 		comp = encoding.GetCompressor(stream.SendCompress())
 	}
-	if err := s.sendResponse(ctx, t, stream, reply, cp, opts, comp); err != nil {
+	if err := s.sendResponse(ctx, stream, reply, cp, opts, comp); err != nil {
 		if err == io.EOF {
 			// The entire stream is done (for unary RPC only).
 			return err
 		}
 		if sts, ok := status.FromError(err); ok {
-			if e := t.WriteStatus(stream, sts); e != nil {
+			if e := stream.WriteStatus(sts); e != nil {
 				channelz.Warningf(logger, s.channelz, "grpc: Server.processUnaryRPC failed to write status: %v", e)
 			}
 		} else {
@@ -1484,9 +1519,6 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor
 			binlog.Log(ctx, sm)
 		}
 	}
-	if channelz.IsOn() {
-		t.IncrMsgSent()
-	}
 	if trInfo != nil {
 		trInfo.tr.LazyLog(&payload{sent: true, msg: reply}, true)
 	}
@@ -1502,7 +1534,7 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor
 			binlog.Log(ctx, st)
 		}
 	}
-	return t.WriteStatus(stream, statusOK)
+	return stream.WriteStatus(statusOK)
 }
 
 // chainStreamServerInterceptors chains all stream server interceptors into one.
@@ -1541,37 +1573,34 @@ func getChainStreamHandler(interceptors []StreamServerInterceptor, curr int, inf
 	}
 }
 
-func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTransport, stream *transport.Stream, info *serviceInfo, sd *StreamDesc, trInfo *traceInfo) (err error) {
+func (s *Server) processStreamingRPC(ctx context.Context, stream *transport.ServerStream, info *serviceInfo, sd *StreamDesc, trInfo *traceInfo) (err error) {
 	if channelz.IsOn() {
 		s.incrCallsStarted()
 	}
-	shs := s.opts.statsHandlers
+	sh := s.statsHandler
 	var statsBegin *stats.Begin
-	if len(shs) != 0 {
-		beginTime := time.Now()
+	if sh != nil {
 		statsBegin = &stats.Begin{
-			BeginTime:      beginTime,
+			BeginTime:      time.Now(),
 			IsClientStream: sd.ClientStreams,
 			IsServerStream: sd.ServerStreams,
 		}
-		for _, sh := range shs {
-			sh.HandleRPC(ctx, statsBegin)
-		}
+		sh.HandleRPC(ctx, statsBegin)
 	}
 	ctx = NewContextWithServerTransportStream(ctx, stream)
 	ss := &serverStream{
 		ctx:                   ctx,
-		t:                     t,
 		s:                     stream,
-		p:                     &parser{r: stream, bufferPool: s.opts.bufferPool},
+		p:                     parser{r: stream, bufferPool: s.opts.bufferPool},
 		codec:                 s.getCodec(stream.ContentSubtype()),
+		desc:                  sd,
 		maxReceiveMessageSize: s.opts.maxReceiveMessageSize,
 		maxSendMessageSize:    s.opts.maxSendMessageSize,
 		trInfo:                trInfo,
-		statsHandler:          shs,
+		statsHandler:          sh,
 	}
 
-	if len(shs) != 0 || trInfo != nil || channelz.IsOn() {
+	if sh != nil || trInfo != nil || channelz.IsOn() {
 		// See comment in processUnaryRPC on defers.
 		defer func() {
 			if trInfo != nil {
@@ -1585,7 +1614,7 @@ func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTran
 				ss.mu.Unlock()
 			}
 
-			if len(shs) != 0 {
+			if sh != nil {
 				end := &stats.End{
 					BeginTime: statsBegin.BeginTime,
 					EndTime:   time.Now(),
@@ -1593,9 +1622,7 @@ func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTran
 				if err != nil && err != io.EOF {
 					end.Error = toRPCErr(err)
 				}
-				for _, sh := range shs {
-					sh.HandleRPC(ctx, end)
-				}
+				sh.HandleRPC(ctx, end)
 			}
 
 			if channelz.IsOn() {
@@ -1643,12 +1670,12 @@ func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTran
 	// If dc is set and matches the stream's compression, use it.  Otherwise, try
 	// to find a matching registered compressor for decomp.
 	if rc := stream.RecvCompress(); s.opts.dc != nil && s.opts.dc.Type() == rc {
-		ss.dc = s.opts.dc
+		ss.decompressorV0 = s.opts.dc
 	} else if rc != "" && rc != encoding.Identity {
-		ss.decomp = encoding.GetCompressor(rc)
-		if ss.decomp == nil {
+		ss.decompressorV1 = encoding.GetCompressor(rc)
+		if ss.decompressorV1 == nil {
 			st := status.Newf(codes.Unimplemented, "grpc: Decompressor is not installed for grpc-encoding %q", rc)
-			t.WriteStatus(ss.s, st)
+			ss.s.WriteStatus(st)
 			return st.Err()
 		}
 	}
@@ -1658,12 +1685,12 @@ func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTran
 	//
 	// NOTE: this needs to be ahead of all handling, https://github.com/grpc/grpc-go/issues/686.
 	if s.opts.cp != nil {
-		ss.cp = s.opts.cp
+		ss.compressorV0 = s.opts.cp
 		ss.sendCompressorName = s.opts.cp.Type()
 	} else if rc := stream.RecvCompress(); rc != "" && rc != encoding.Identity {
 		// Legacy compressor not specified; attempt to respond with same encoding.
-		ss.comp = encoding.GetCompressor(rc)
-		if ss.comp != nil {
+		ss.compressorV1 = encoding.GetCompressor(rc)
+		if ss.compressorV1 != nil {
 			ss.sendCompressorName = rc
 		}
 	}
@@ -1674,7 +1701,7 @@ func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTran
 		}
 	}
 
-	ss.ctx = newContextWithRPCInfo(ss.ctx, false, ss.codec, ss.cp, ss.comp)
+	ss.ctx = newContextWithRPCInfo(ss.ctx, false, ss.codec, ss.compressorV0, ss.compressorV1)
 
 	if trInfo != nil {
 		trInfo.tr.LazyLog(&trInfo.firstLine, false)
@@ -1717,7 +1744,7 @@ func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTran
 				binlog.Log(ctx, st)
 			}
 		}
-		t.WriteStatus(ss.s, appStatus)
+		ss.s.WriteStatus(appStatus)
 		// TODO: Should we log an error from WriteStatus here and below?
 		return appErr
 	}
@@ -1735,10 +1762,28 @@ func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTran
 			binlog.Log(ctx, st)
 		}
 	}
-	return t.WriteStatus(ss.s, statusOK)
+	return ss.s.WriteStatus(statusOK)
 }
 
-func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Stream) {
+func (s *Server) handleMalformedMethodName(stream *transport.ServerStream, ti *traceInfo) {
+	if ti != nil {
+		ti.tr.LazyLog(&fmtStringer{"Malformed method name %q", []any{stream.Method()}}, true)
+		ti.tr.SetError()
+	}
+	errDesc := fmt.Sprintf("malformed method name: %q", stream.Method())
+	if err := stream.WriteStatus(status.New(codes.Unimplemented, errDesc)); err != nil {
+		if ti != nil {
+			ti.tr.LazyLog(&fmtStringer{"%v", []any{err}}, true)
+			ti.tr.SetError()
+		}
+		channelz.Warningf(logger, s.channelz, "grpc: Server.handleStream failed to write status: %v", err)
+	}
+	if ti != nil {
+		ti.tr.Finish()
+	}
+}
+
+func (s *Server) handleStream(t transport.ServerTransport, stream *transport.ServerStream) {
 	ctx := stream.Context()
 	ctx = contextWithServer(ctx, s)
 	var ti *traceInfo
@@ -1758,35 +1803,40 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str
 	}
 
 	sm := stream.Method()
-	if sm != "" && sm[0] == '/' {
+	if sm == "" {
+		s.handleMalformedMethodName(stream, ti)
+		return
+	}
+	if sm[0] != '/' {
+		// TODO(easwars): Add a link to the CVE in the below log messages once
+		// published.
+		if envconfig.DisableStrictPathChecking {
+			if old := s.strictPathCheckingLogEmitted.Swap(true); !old {
+				channelz.Warningf(logger, s.channelz, "grpc: Server.handleStream received malformed method name %q. Allowing it because the environment variable GRPC_GO_EXPERIMENTAL_DISABLE_STRICT_PATH_CHECKING is set to true, but this option will be removed in a future release.", sm)
+			}
+		} else {
+			if old := s.strictPathCheckingLogEmitted.Swap(true); !old {
+				channelz.Warningf(logger, s.channelz, "grpc: Server.handleStream rejected malformed method name %q. To temporarily allow such requests, set the environment variable GRPC_GO_EXPERIMENTAL_DISABLE_STRICT_PATH_CHECKING to true. Note that this is not recommended as it may allow requests to bypass security policies.", sm)
+			}
+			s.handleMalformedMethodName(stream, ti)
+			return
+		}
+	} else {
 		sm = sm[1:]
 	}
 	pos := strings.LastIndex(sm, "/")
 	if pos == -1 {
-		if ti != nil {
-			ti.tr.LazyLog(&fmtStringer{"Malformed method name %q", []any{sm}}, true)
-			ti.tr.SetError()
-		}
-		errDesc := fmt.Sprintf("malformed method name: %q", stream.Method())
-		if err := t.WriteStatus(stream, status.New(codes.Unimplemented, errDesc)); err != nil {
-			if ti != nil {
-				ti.tr.LazyLog(&fmtStringer{"%v", []any{err}}, true)
-				ti.tr.SetError()
-			}
-			channelz.Warningf(logger, s.channelz, "grpc: Server.handleStream failed to write status: %v", err)
-		}
-		if ti != nil {
-			ti.tr.Finish()
-		}
+		s.handleMalformedMethodName(stream, ti)
 		return
 	}
 	service := sm[:pos]
 	method := sm[pos+1:]
 
-	md, _ := metadata.FromIncomingContext(ctx)
-	for _, sh := range s.opts.statsHandlers {
-		ctx = sh.TagRPC(ctx, &stats.RPCTagInfo{FullMethodName: stream.Method()})
-		sh.HandleRPC(ctx, &stats.InHeader{
+	// FromIncomingContext is expensive: skip if there are no statsHandlers
+	if s.statsHandler != nil {
+		md, _ := metadata.FromIncomingContext(ctx)
+		ctx = s.statsHandler.TagRPC(ctx, &stats.RPCTagInfo{FullMethodName: stream.Method()})
+		s.statsHandler.HandleRPC(ctx, &stats.InHeader{
 			FullMethod:  stream.Method(),
 			RemoteAddr:  t.Peer().Addr,
 			LocalAddr:   t.Peer().LocalAddr,
@@ -1802,17 +1852,17 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str
 	srv, knownService := s.services[service]
 	if knownService {
 		if md, ok := srv.methods[method]; ok {
-			s.processUnaryRPC(ctx, t, stream, srv, md, ti)
+			s.processUnaryRPC(ctx, stream, srv, md, ti)
 			return
 		}
 		if sd, ok := srv.streams[method]; ok {
-			s.processStreamingRPC(ctx, t, stream, srv, sd, ti)
+			s.processStreamingRPC(ctx, stream, srv, sd, ti)
 			return
 		}
 	}
 	// Unknown service, or known server unknown method.
 	if unknownDesc := s.opts.unknownStreamDesc; unknownDesc != nil {
-		s.processStreamingRPC(ctx, t, stream, nil, unknownDesc, ti)
+		s.processStreamingRPC(ctx, stream, nil, unknownDesc, ti)
 		return
 	}
 	var errDesc string
@@ -1825,7 +1875,7 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str
 		ti.tr.LazyPrintf("%s", errDesc)
 		ti.tr.SetError()
 	}
-	if err := t.WriteStatus(stream, status.New(codes.Unimplemented, errDesc)); err != nil {
+	if err := stream.WriteStatus(status.New(codes.Unimplemented, errDesc)); err != nil {
 		if ti != nil {
 			ti.tr.LazyLog(&fmtStringer{"%v", []any{err}}, true)
 			ti.tr.SetError()
@@ -1925,7 +1975,7 @@ func (s *Server) stop(graceful bool) {
 	s.conns = nil
 
 	if s.opts.numServerWorkers > 0 {
-		// Closing the channel (only once, via grpcsync.OnceFunc) after all the
+		// Closing the channel (only once, via sync.OnceFunc) after all the
 		// connections have been closed above ensures that there are no
 		// goroutines executing the callback passed to st.HandleStreams (where
 		// the channel is written to).
@@ -2100,7 +2150,7 @@ func SendHeader(ctx context.Context, md metadata.MD) error {
 // Notice: This function is EXPERIMENTAL and may be changed or removed in a
 // later release.
 func SetSendCompressor(ctx context.Context, name string) error {
-	stream, ok := ServerTransportStreamFromContext(ctx).(*transport.Stream)
+	stream, ok := ServerTransportStreamFromContext(ctx).(*transport.ServerStream)
 	if !ok || stream == nil {
 		return fmt.Errorf("failed to fetch the stream from the given context")
 	}
@@ -2122,7 +2172,7 @@ func SetSendCompressor(ctx context.Context, name string) error {
 // Notice: This function is EXPERIMENTAL and may be changed or removed in a
 // later release.
 func ClientSupportedCompressors(ctx context.Context) ([]string, error) {
-	stream, ok := ServerTransportStreamFromContext(ctx).(*transport.Stream)
+	stream, ok := ServerTransportStreamFromContext(ctx).(*transport.ServerStream)
 	if !ok || stream == nil {
 		return nil, fmt.Errorf("failed to fetch the stream from the given context %v", ctx)
 	}
diff --git a/vendor/google.golang.org/grpc/service_config.go b/vendor/google.golang.org/grpc/service_config.go
index 2671c5ef..8d451e07 100644
--- a/vendor/google.golang.org/grpc/service_config.go
+++ b/vendor/google.golang.org/grpc/service_config.go
@@ -168,6 +168,7 @@ func init() {
 		return parseServiceConfig(js, defaultMaxCallAttempts)
 	}
 }
+
 func parseServiceConfig(js string, maxAttempts int) *serviceconfig.ParseResult {
 	if len(js) == 0 {
 		return &serviceconfig.ParseResult{Err: fmt.Errorf("no JSON service config provided")}
@@ -267,18 +268,21 @@ func parseServiceConfig(js string, maxAttempts int) *serviceconfig.ParseResult {
 	return &serviceconfig.ParseResult{Config: &sc}
 }
 
+func isValidRetryPolicy(jrp *jsonRetryPolicy) bool {
+	return jrp.MaxAttempts > 1 &&
+		jrp.InitialBackoff > 0 &&
+		jrp.MaxBackoff > 0 &&
+		jrp.BackoffMultiplier > 0 &&
+		len(jrp.RetryableStatusCodes) > 0
+}
+
 func convertRetryPolicy(jrp *jsonRetryPolicy, maxAttempts int) (p *internalserviceconfig.RetryPolicy, err error) {
 	if jrp == nil {
 		return nil, nil
 	}
 
-	if jrp.MaxAttempts <= 1 ||
-		jrp.InitialBackoff <= 0 ||
-		jrp.MaxBackoff <= 0 ||
-		jrp.BackoffMultiplier <= 0 ||
-		len(jrp.RetryableStatusCodes) == 0 {
-		logger.Warningf("grpc: ignoring retry policy %v due to illegal configuration", jrp)
-		return nil, nil
+	if !isValidRetryPolicy(jrp) {
+		return nil, fmt.Errorf("invalid retry policy (%+v): ", jrp)
 	}
 
 	if jrp.MaxAttempts < maxAttempts {
@@ -297,7 +301,7 @@ func convertRetryPolicy(jrp *jsonRetryPolicy, maxAttempts int) (p *internalservi
 	return rp, nil
 }
 
-func min(a, b *int) *int {
+func minPointers(a, b *int) *int {
 	if *a < *b {
 		return a
 	}
@@ -309,7 +313,7 @@ func getMaxSize(mcMax, doptMax *int, defaultVal int) *int {
 		return &defaultVal
 	}
 	if mcMax != nil && doptMax != nil {
-		return min(mcMax, doptMax)
+		return minPointers(mcMax, doptMax)
 	}
 	if mcMax != nil {
 		return mcMax
diff --git a/vendor/google.golang.org/grpc/stats/handlers.go b/vendor/google.golang.org/grpc/stats/handlers.go
index dc03731e..67194a59 100644
--- a/vendor/google.golang.org/grpc/stats/handlers.go
+++ b/vendor/google.golang.org/grpc/stats/handlers.go
@@ -38,6 +38,15 @@ type RPCTagInfo struct {
 	// FailFast indicates if this RPC is failfast.
 	// This field is only valid on client side, it's always false on server side.
 	FailFast bool
+	// NameResolutionDelay indicates if the RPC needed to wait for the
+	// initial name resolver update before it could begin. This should only
+	// happen if the channel is IDLE when the RPC is started.  Note that
+	// all retry or hedging attempts for an RPC that experienced a delay
+	// will have it set.
+	//
+	// This field is only valid on the client side; it is always false on
+	// the server side.
+	NameResolutionDelay bool
 }
 
 // Handler defines the interface for the related stats handling (e.g., RPCs, connections).
diff --git a/vendor/google.golang.org/grpc/stats/metrics.go b/vendor/google.golang.org/grpc/stats/metrics.go
new file mode 100644
index 00000000..641c8e97
--- /dev/null
+++ b/vendor/google.golang.org/grpc/stats/metrics.go
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2024 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package stats
+
+import "maps"
+
+// MetricSet is a set of metrics to record. Once created, MetricSet is immutable,
+// however Add and Remove can make copies with specific metrics added or
+// removed, respectively.
+//
+// Do not construct directly; use NewMetricSet instead.
+type MetricSet struct {
+	// metrics are the set of metrics to initialize.
+	metrics map[string]bool
+}
+
+// NewMetricSet returns a MetricSet containing metricNames.
+func NewMetricSet(metricNames ...string) *MetricSet {
+	newMetrics := make(map[string]bool)
+	for _, metric := range metricNames {
+		newMetrics[metric] = true
+	}
+	return &MetricSet{metrics: newMetrics}
+}
+
+// Metrics returns the metrics set. The returned map is read-only and must not
+// be modified.
+func (m *MetricSet) Metrics() map[string]bool {
+	return m.metrics
+}
+
+// Add adds the metricNames to the metrics set and returns a new copy with the
+// additional metrics.
+func (m *MetricSet) Add(metricNames ...string) *MetricSet {
+	newMetrics := make(map[string]bool)
+	for metric := range m.metrics {
+		newMetrics[metric] = true
+	}
+
+	for _, metric := range metricNames {
+		newMetrics[metric] = true
+	}
+	return &MetricSet{metrics: newMetrics}
+}
+
+// Join joins the metrics passed in with the metrics set, and returns a new copy
+// with the merged metrics.
+func (m *MetricSet) Join(metrics *MetricSet) *MetricSet {
+	newMetrics := make(map[string]bool)
+	maps.Copy(newMetrics, m.metrics)
+	maps.Copy(newMetrics, metrics.metrics)
+	return &MetricSet{metrics: newMetrics}
+}
+
+// Remove removes the metricNames from the metrics set and returns a new copy
+// with the metrics removed.
+func (m *MetricSet) Remove(metricNames ...string) *MetricSet {
+	newMetrics := make(map[string]bool)
+	for metric := range m.metrics {
+		newMetrics[metric] = true
+	}
+
+	for _, metric := range metricNames {
+		delete(newMetrics, metric)
+	}
+	return &MetricSet{metrics: newMetrics}
+}
diff --git a/vendor/google.golang.org/grpc/stats/stats.go b/vendor/google.golang.org/grpc/stats/stats.go
index 71195c49..10bf998a 100644
--- a/vendor/google.golang.org/grpc/stats/stats.go
+++ b/vendor/google.golang.org/grpc/stats/stats.go
@@ -36,7 +36,12 @@ type RPCStats interface {
 	IsClient() bool
 }
 
-// Begin contains stats when an RPC attempt begins.
+// Begin contains stats for the start of an RPC attempt.
+//
+//   - Server-side: Triggered after `InHeader`, as headers are processed
+//     before the RPC lifecycle begins.
+//   - Client-side: The first stats event recorded.
+//
 // FailFast is only valid if this Begin is from client side.
 type Begin struct {
 	// Client is true if this Begin is from client side.
@@ -59,17 +64,23 @@ func (s *Begin) IsClient() bool { return s.Client }
 
 func (s *Begin) isRPCStats() {}
 
-// PickerUpdated indicates that the LB policy provided a new picker while the
-// RPC was waiting for one.
-type PickerUpdated struct{}
+// DelayedPickComplete indicates that the RPC is unblocked following a delay in
+// selecting a connection for the call.
+type DelayedPickComplete struct{}
 
-// IsClient indicates if the stats information is from client side. Only Client
-// Side interfaces with a Picker, thus always returns true.
-func (*PickerUpdated) IsClient() bool { return true }
+// IsClient indicates DelayedPickComplete is available on the client.
+func (*DelayedPickComplete) IsClient() bool { return true }
 
-func (*PickerUpdated) isRPCStats() {}
+func (*DelayedPickComplete) isRPCStats() {}
 
-// InPayload contains the information for an incoming payload.
+// PickerUpdated indicates that the RPC is unblocked following a delay in
+// selecting a connection for the call.
+//
+// Deprecated: will be removed in a future release; use DelayedPickComplete
+// instead.
+type PickerUpdated = DelayedPickComplete
+
+// InPayload contains stats about an incoming payload.
 type InPayload struct {
 	// Client is true if this InPayload is from client side.
 	Client bool
@@ -98,7 +109,9 @@ func (s *InPayload) IsClient() bool { return s.Client }
 
 func (s *InPayload) isRPCStats() {}
 
-// InHeader contains stats when a header is received.
+// InHeader contains stats about header reception.
+//
+// - Server-side: The first stats event after the RPC request is received.
 type InHeader struct {
 	// Client is true if this InHeader is from client side.
 	Client bool
@@ -123,7 +136,7 @@ func (s *InHeader) IsClient() bool { return s.Client }
 
 func (s *InHeader) isRPCStats() {}
 
-// InTrailer contains stats when a trailer is received.
+// InTrailer contains stats about trailer reception.
 type InTrailer struct {
 	// Client is true if this InTrailer is from client side.
 	Client bool
@@ -139,7 +152,7 @@ func (s *InTrailer) IsClient() bool { return s.Client }
 
 func (s *InTrailer) isRPCStats() {}
 
-// OutPayload contains the information for an outgoing payload.
+// OutPayload contains stats about an outgoing payload.
 type OutPayload struct {
 	// Client is true if this OutPayload is from client side.
 	Client bool
@@ -166,7 +179,10 @@ func (s *OutPayload) IsClient() bool { return s.Client }
 
 func (s *OutPayload) isRPCStats() {}
 
-// OutHeader contains stats when a header is sent.
+// OutHeader contains stats about header transmission.
+//
+//   - Client-side: Only occurs after 'Begin', as headers are always the first
+//     thing sent on a stream.
 type OutHeader struct {
 	// Client is true if this OutHeader is from client side.
 	Client bool
@@ -189,14 +205,15 @@ func (s *OutHeader) IsClient() bool { return s.Client }
 
 func (s *OutHeader) isRPCStats() {}
 
-// OutTrailer contains stats when a trailer is sent.
+// OutTrailer contains stats about trailer transmission.
 type OutTrailer struct {
 	// Client is true if this OutTrailer is from client side.
 	Client bool
 	// WireLength is the wire length of trailer.
 	//
-	// Deprecated: This field is never set. The length is not known when this message is
-	// emitted because the trailer fields are compressed with hpack after that.
+	// Deprecated: This field is never set. The length is not known when this
+	// message is emitted because the trailer fields are compressed with hpack
+	// after that.
 	WireLength int
 	// Trailer contains the trailer metadata sent to the client. This
 	// field is only valid if this OutTrailer is from the server side.
@@ -208,7 +225,7 @@ func (s *OutTrailer) IsClient() bool { return s.Client }
 
 func (s *OutTrailer) isRPCStats() {}
 
-// End contains stats when an RPC ends.
+// End contains stats about RPC completion.
 type End struct {
 	// Client is true if this End is from client side.
 	Client bool
@@ -238,7 +255,7 @@ type ConnStats interface {
 	IsClient() bool
 }
 
-// ConnBegin contains the stats of a connection when it is established.
+// ConnBegin contains stats about connection establishment.
 type ConnBegin struct {
 	// Client is true if this ConnBegin is from client side.
 	Client bool
@@ -249,7 +266,7 @@ func (s *ConnBegin) IsClient() bool { return s.Client }
 
 func (s *ConnBegin) isConnStats() {}
 
-// ConnEnd contains the stats of a connection when it ends.
+// ConnEnd contains stats about connection termination.
 type ConnEnd struct {
 	// Client is true if this ConnEnd is from client side.
 	Client bool
@@ -260,84 +277,42 @@ func (s *ConnEnd) IsClient() bool { return s.Client }
 
 func (s *ConnEnd) isConnStats() {}
 
-type incomingTagsKey struct{}
-type outgoingTagsKey struct{}
-
 // SetTags attaches stats tagging data to the context, which will be sent in
 // the outgoing RPC with the header grpc-tags-bin.  Subsequent calls to
 // SetTags will overwrite the values from earlier calls.
 //
-// NOTE: this is provided only for backward compatibility with existing clients
-// and will likely be removed in an upcoming release.  New uses should transmit
-// this type of data using metadata with a different, non-reserved (i.e. does
-// not begin with "grpc-") header name.
+// Deprecated: set the `grpc-tags-bin` header in the metadata instead.
 func SetTags(ctx context.Context, b []byte) context.Context {
-	return context.WithValue(ctx, outgoingTagsKey{}, b)
+	return metadata.AppendToOutgoingContext(ctx, "grpc-tags-bin", string(b))
 }
 
 // Tags returns the tags from the context for the inbound RPC.
 //
-// NOTE: this is provided only for backward compatibility with existing clients
-// and will likely be removed in an upcoming release.  New uses should transmit
-// this type of data using metadata with a different, non-reserved (i.e. does
-// not begin with "grpc-") header name.
+// Deprecated: obtain the `grpc-tags-bin` header from metadata instead.
 func Tags(ctx context.Context) []byte {
-	b, _ := ctx.Value(incomingTagsKey{}).([]byte)
-	return b
-}
-
-// SetIncomingTags attaches stats tagging data to the context, to be read by
-// the application (not sent in outgoing RPCs).
-//
-// This is intended for gRPC-internal use ONLY.
-func SetIncomingTags(ctx context.Context, b []byte) context.Context {
-	return context.WithValue(ctx, incomingTagsKey{}, b)
+	traceValues := metadata.ValueFromIncomingContext(ctx, "grpc-tags-bin")
+	if len(traceValues) == 0 {
+		return nil
+	}
+	return []byte(traceValues[len(traceValues)-1])
 }
 
-// OutgoingTags returns the tags from the context for the outbound RPC.
-//
-// This is intended for gRPC-internal use ONLY.
-func OutgoingTags(ctx context.Context) []byte {
-	b, _ := ctx.Value(outgoingTagsKey{}).([]byte)
-	return b
-}
-
-type incomingTraceKey struct{}
-type outgoingTraceKey struct{}
-
 // SetTrace attaches stats tagging data to the context, which will be sent in
 // the outgoing RPC with the header grpc-trace-bin.  Subsequent calls to
 // SetTrace will overwrite the values from earlier calls.
 //
-// NOTE: this is provided only for backward compatibility with existing clients
-// and will likely be removed in an upcoming release.  New uses should transmit
-// this type of data using metadata with a different, non-reserved (i.e. does
-// not begin with "grpc-") header name.
+// Deprecated: set the `grpc-trace-bin` header in the metadata instead.
 func SetTrace(ctx context.Context, b []byte) context.Context {
-	return context.WithValue(ctx, outgoingTraceKey{}, b)
+	return metadata.AppendToOutgoingContext(ctx, "grpc-trace-bin", string(b))
 }
 
 // Trace returns the trace from the context for the inbound RPC.
 //
-// NOTE: this is provided only for backward compatibility with existing clients
-// and will likely be removed in an upcoming release.  New uses should transmit
-// this type of data using metadata with a different, non-reserved (i.e. does
-// not begin with "grpc-") header name.
+// Deprecated: obtain the `grpc-trace-bin` header from metadata instead.
 func Trace(ctx context.Context) []byte {
-	b, _ := ctx.Value(incomingTraceKey{}).([]byte)
-	return b
-}
-
-// SetIncomingTrace attaches stats tagging data to the context, to be read by
-// the application (not sent in outgoing RPCs).  It is intended for
-// gRPC-internal use.
-func SetIncomingTrace(ctx context.Context, b []byte) context.Context {
-	return context.WithValue(ctx, incomingTraceKey{}, b)
-}
-
-// OutgoingTrace returns the trace from the context for the outbound RPC.  It is
-// intended for gRPC-internal use.
-func OutgoingTrace(ctx context.Context) []byte {
-	b, _ := ctx.Value(outgoingTraceKey{}).([]byte)
-	return b
+	traceValues := metadata.ValueFromIncomingContext(ctx, "grpc-trace-bin")
+	if len(traceValues) == 0 {
+		return nil
+	}
+	return []byte(traceValues[len(traceValues)-1])
 }
diff --git a/vendor/google.golang.org/grpc/stream.go b/vendor/google.golang.org/grpc/stream.go
index bb2b2a21..eedb5f9b 100644
--- a/vendor/google.golang.org/grpc/stream.go
+++ b/vendor/google.golang.org/grpc/stream.go
@@ -23,8 +23,9 @@ import (
 	"errors"
 	"io"
 	"math"
-	"math/rand"
+	rand "math/rand/v2"
 	"strconv"
+	"strings"
 	"sync"
 	"time"
 
@@ -51,7 +52,8 @@ import (
 var metadataFromOutgoingContextRaw = internal.FromOutgoingContextRaw.(func(context.Context) (metadata.MD, [][]string, bool))
 
 // StreamHandler defines the handler called by gRPC server to complete the
-// execution of a streaming RPC.
+// execution of a streaming RPC. srv is the service implementation on which the
+// RPC was invoked.
 //
 // If a StreamHandler returns an error, it should either be produced by the
 // status package, or be one of the context errors. Otherwise, gRPC will use
@@ -101,9 +103,9 @@ type ClientStream interface {
 	// It must only be called after stream.CloseAndRecv has returned, or
 	// stream.Recv has returned a non-nil error (including io.EOF).
 	Trailer() metadata.MD
-	// CloseSend closes the send direction of the stream. It closes the stream
-	// when non-nil error is met. It is also not safe to call CloseSend
-	// concurrently with SendMsg.
+	// CloseSend closes the send direction of the stream. This method always
+	// returns a nil error. The status of the stream may be discovered using
+	// RecvMsg. It is also not safe to call CloseSend concurrently with SendMsg.
 	CloseSend() error
 	// Context returns the context for this stream.
 	//
@@ -113,7 +115,9 @@ type ClientStream interface {
 	// SendMsg is generally called by generated code. On error, SendMsg aborts
 	// the stream. If the error was generated by the client, the status is
 	// returned directly; otherwise, io.EOF is returned and the status of
-	// the stream may be discovered using RecvMsg.
+	// the stream may be discovered using RecvMsg. For unary or server-streaming
+	// RPCs (StreamDesc.ClientStreams is false), a nil error is returned
+	// unconditionally.
 	//
 	// SendMsg blocks until:
 	//   - There is sufficient flow control to schedule m with the transport, or
@@ -175,13 +179,43 @@ func NewClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
 	return cc.NewStream(ctx, desc, method, opts...)
 }
 
+var emptyMethodConfig = serviceconfig.MethodConfig{}
+
+// endOfClientStream performs cleanup actions required for both successful and
+// failed streams. This includes incrementing channelz stats and invoking all
+// registered OnFinish call options.
+func endOfClientStream(cc *ClientConn, err error, opts ...CallOption) {
+	if channelz.IsOn() {
+		if err != nil {
+			cc.incrCallsFailed()
+		} else {
+			cc.incrCallsSucceeded()
+		}
+	}
+
+	for _, o := range opts {
+		if o, ok := o.(OnFinishCallOption); ok {
+			o.OnFinish(err)
+		}
+	}
+}
+
 func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, method string, opts ...CallOption) (_ ClientStream, err error) {
+	if channelz.IsOn() {
+		cc.incrCallsStarted()
+	}
+	defer func() {
+		if err != nil {
+			// Ensure cleanup when stream creation fails.
+			endOfClientStream(cc, err, opts...)
+		}
+	}()
+
 	// Start tracking the RPC for idleness purposes. This is where a stream is
 	// created for both streaming and unary RPCs, and hence is a good place to
 	// track active RPC count.
-	if err := cc.idlenessMgr.OnCallBegin(); err != nil {
-		return nil, err
-	}
+	cc.idlenessMgr.OnCallBegin()
+
 	// Add a calloption, to decrement the active call count, that gets executed
 	// when the RPC completes.
 	opts = append([]CallOption{OnFinish(func(error) { cc.idlenessMgr.OnCallEnd() })}, opts...)
@@ -200,24 +234,17 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
 			}
 		}
 	}
-	if channelz.IsOn() {
-		cc.incrCallsStarted()
-		defer func() {
-			if err != nil {
-				cc.incrCallsFailed()
-			}
-		}()
-	}
 	// Provide an opportunity for the first RPC to see the first service config
 	// provided by the resolver.
-	if err := cc.waitForResolvedAddrs(ctx); err != nil {
+	nameResolutionDelayed, err := cc.waitForResolvedAddrs(ctx)
+	if err != nil {
 		return nil, err
 	}
 
-	var mc serviceconfig.MethodConfig
+	mc := &emptyMethodConfig
 	var onCommit func()
-	var newStream = func(ctx context.Context, done func()) (iresolver.ClientStream, error) {
-		return newClientStreamWithParams(ctx, desc, cc, method, mc, onCommit, done, opts...)
+	newStream := func(ctx context.Context, done func()) (iresolver.ClientStream, error) {
+		return newClientStreamWithParams(ctx, desc, cc, method, mc, onCommit, done, nameResolutionDelayed, opts...)
 	}
 
 	rpcInfo := iresolver.RPCInfo{Context: ctx, Method: method}
@@ -237,7 +264,7 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
 		if rpcConfig.Context != nil {
 			ctx = rpcConfig.Context
 		}
-		mc = rpcConfig.MethodConfig
+		mc = &rpcConfig.MethodConfig
 		onCommit = rpcConfig.OnCommitted
 		if rpcConfig.Interceptor != nil {
 			rpcInfo.Context = nil
@@ -255,10 +282,10 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
 	return newStream(ctx, func() {})
 }
 
-func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *ClientConn, method string, mc serviceconfig.MethodConfig, onCommit, doneFunc func(), opts ...CallOption) (_ iresolver.ClientStream, err error) {
-	c := defaultCallInfo()
+func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *ClientConn, method string, mc *serviceconfig.MethodConfig, onCommit, doneFunc func(), nameResolutionDelayed bool, opts ...CallOption) (_ iresolver.ClientStream, err error) {
+	callInfo := defaultCallInfo()
 	if mc.WaitForReady != nil {
-		c.failFast = !*mc.WaitForReady
+		callInfo.failFast = !*mc.WaitForReady
 	}
 
 	// Possible context leak:
@@ -279,59 +306,65 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client
 	}()
 
 	for _, o := range opts {
-		if err := o.before(c); err != nil {
+		if err := o.before(callInfo); err != nil {
 			return nil, toRPCErr(err)
 		}
 	}
-	c.maxSendMessageSize = getMaxSize(mc.MaxReqSize, c.maxSendMessageSize, defaultClientMaxSendMessageSize)
-	c.maxReceiveMessageSize = getMaxSize(mc.MaxRespSize, c.maxReceiveMessageSize, defaultClientMaxReceiveMessageSize)
-	if err := setCallInfoCodec(c); err != nil {
+	callInfo.maxSendMessageSize = getMaxSize(mc.MaxReqSize, callInfo.maxSendMessageSize, defaultClientMaxSendMessageSize)
+	callInfo.maxReceiveMessageSize = getMaxSize(mc.MaxRespSize, callInfo.maxReceiveMessageSize, defaultClientMaxReceiveMessageSize)
+	if err := setCallInfoCodec(callInfo); err != nil {
 		return nil, err
 	}
 
 	callHdr := &transport.CallHdr{
 		Host:           cc.authority,
 		Method:         method,
-		ContentSubtype: c.contentSubtype,
+		ContentSubtype: callInfo.contentSubtype,
 		DoneFunc:       doneFunc,
+		Authority:      callInfo.authority,
+	}
+	if allowed := callInfo.acceptedResponseCompressors; len(allowed) > 0 {
+		headerValue := strings.Join(allowed, ",")
+		callHdr.AcceptedCompressors = &headerValue
 	}
 
 	// Set our outgoing compression according to the UseCompressor CallOption, if
 	// set.  In that case, also find the compressor from the encoding package.
 	// Otherwise, use the compressor configured by the WithCompressor DialOption,
 	// if set.
-	var cp Compressor
-	var comp encoding.Compressor
-	if ct := c.compressorType; ct != "" {
+	var compressorV0 Compressor
+	var compressorV1 encoding.Compressor
+	if ct := callInfo.compressorName; ct != "" {
 		callHdr.SendCompress = ct
 		if ct != encoding.Identity {
-			comp = encoding.GetCompressor(ct)
-			if comp == nil {
+			compressorV1 = encoding.GetCompressor(ct)
+			if compressorV1 == nil {
 				return nil, status.Errorf(codes.Internal, "grpc: Compressor is not installed for requested grpc-encoding %q", ct)
 			}
 		}
-	} else if cc.dopts.cp != nil {
-		callHdr.SendCompress = cc.dopts.cp.Type()
-		cp = cc.dopts.cp
+	} else if cc.dopts.compressorV0 != nil {
+		callHdr.SendCompress = cc.dopts.compressorV0.Type()
+		compressorV0 = cc.dopts.compressorV0
 	}
-	if c.creds != nil {
-		callHdr.Creds = c.creds
+	if callInfo.creds != nil {
+		callHdr.Creds = callInfo.creds
 	}
 
 	cs := &clientStream{
-		callHdr:      callHdr,
-		ctx:          ctx,
-		methodConfig: &mc,
-		opts:         opts,
-		callInfo:     c,
-		cc:           cc,
-		desc:         desc,
-		codec:        c.codec,
-		cp:           cp,
-		comp:         comp,
-		cancel:       cancel,
-		firstAttempt: true,
-		onCommit:     onCommit,
+		callHdr:             callHdr,
+		ctx:                 ctx,
+		methodConfig:        mc,
+		opts:                opts,
+		callInfo:            callInfo,
+		cc:                  cc,
+		desc:                desc,
+		codec:               callInfo.codec,
+		compressorV0:        compressorV0,
+		compressorV1:        compressorV1,
+		cancel:              cancel,
+		firstAttempt:        true,
+		onCommit:            onCommit,
+		nameResolutionDelay: nameResolutionDelayed,
 	}
 	if !cc.dopts.disableRetry {
 		cs.retryThrottler = cc.retryThrottler.Load().(*retryThrottler)
@@ -410,22 +443,24 @@ func (cs *clientStream) newAttemptLocked(isTransparent bool) (*csAttempt, error)
 		return nil, ErrClientConnClosing
 	}
 
-	ctx := newContextWithRPCInfo(cs.ctx, cs.callInfo.failFast, cs.callInfo.codec, cs.cp, cs.comp)
+	ctx := newContextWithRPCInfo(cs.ctx, cs.callInfo.failFast, cs.callInfo.codec, cs.compressorV0, cs.compressorV1)
 	method := cs.callHdr.Method
 	var beginTime time.Time
-	shs := cs.cc.dopts.copts.StatsHandlers
-	for _, sh := range shs {
-		ctx = sh.TagRPC(ctx, &stats.RPCTagInfo{FullMethodName: method, FailFast: cs.callInfo.failFast})
+	sh := cs.cc.statsHandler
+	if sh != nil {
 		beginTime = time.Now()
-		begin := &stats.Begin{
+		ctx = sh.TagRPC(ctx, &stats.RPCTagInfo{
+			FullMethodName: method, FailFast: cs.callInfo.failFast,
+			NameResolutionDelay: cs.nameResolutionDelay,
+		})
+		sh.HandleRPC(ctx, &stats.Begin{
 			Client:                    true,
 			BeginTime:                 beginTime,
 			FailFast:                  cs.callInfo.failFast,
 			IsClientStream:            cs.desc.ClientStreams,
 			IsServerStream:            cs.desc.ServerStreams,
 			IsTransparentRetryAttempt: isTransparent,
-		}
-		sh.HandleRPC(ctx, begin)
+		})
 	}
 
 	var trInfo *traceInfo
@@ -452,20 +487,21 @@ func (cs *clientStream) newAttemptLocked(isTransparent bool) (*csAttempt, error)
 	}
 
 	return &csAttempt{
-		ctx:           ctx,
-		beginTime:     beginTime,
-		cs:            cs,
-		dc:            cs.cc.dopts.dc,
-		statsHandlers: shs,
-		trInfo:        trInfo,
+		ctx:            ctx,
+		beginTime:      beginTime,
+		cs:             cs,
+		decompressorV0: cs.cc.dopts.dc,
+		statsHandler:   sh,
+		trInfo:         trInfo,
 	}, nil
 }
 
 func (a *csAttempt) getTransport() error {
 	cs := a.cs
 
-	var err error
-	a.t, a.pickResult, err = cs.cc.getTransport(a.ctx, cs.callInfo.failFast, cs.callHdr.Method)
+	pickInfo := balancer.PickInfo{Ctx: a.ctx, FullMethodName: cs.callHdr.Method}
+	pick, err := cs.cc.pickerWrapper.pick(a.ctx, cs.callInfo.failFast, pickInfo)
+	a.transport, a.pickResult = pick.transport, pick.result
 	if err != nil {
 		if de, ok := err.(dropError); ok {
 			err = de.error
@@ -474,7 +510,10 @@ func (a *csAttempt) getTransport() error {
 		return err
 	}
 	if a.trInfo != nil {
-		a.trInfo.firstLine.SetRemoteAddr(a.t.RemoteAddr())
+		a.trInfo.firstLine.SetRemoteAddr(a.transport.Peer().Addr)
+	}
+	if pick.blocked && a.statsHandler != nil {
+		a.statsHandler.HandleRPC(a.ctx, &stats.DelayedPickComplete{})
 	}
 	return nil
 }
@@ -499,9 +538,17 @@ func (a *csAttempt) newStream() error {
 		md, _ := metadata.FromOutgoingContext(a.ctx)
 		md = metadata.Join(md, a.pickResult.Metadata)
 		a.ctx = metadata.NewOutgoingContext(a.ctx, md)
-	}
 
-	s, err := a.t.NewStream(a.ctx, cs.callHdr)
+		// If the `CallAuthority` CallOption is not set, check if the LB picker
+		// has provided an authority override in the PickResult metadata and
+		// apply it, as specified in gRFC A81.
+		if cs.callInfo.authority == "" {
+			if authMD := a.pickResult.Metadata.Get(":authority"); len(authMD) > 0 {
+				cs.callHdr.Authority = authMD[0]
+			}
+		}
+	}
+	s, err := a.transport.NewStream(a.ctx, cs.callHdr, a.statsHandler)
 	if err != nil {
 		nse, ok := err.(*transport.NewStreamError)
 		if !ok {
@@ -516,9 +563,9 @@ func (a *csAttempt) newStream() error {
 		// Unwrap and convert error.
 		return toRPCErr(nse.Err)
 	}
-	a.s = s
+	a.transportStream = s
 	a.ctx = s.Context()
-	a.p = &parser{r: s, bufferPool: a.cs.cc.dopts.copts.BufferPool}
+	a.parser = parser{r: s, bufferPool: a.cs.cc.dopts.copts.BufferPool}
 	return nil
 }
 
@@ -530,14 +577,16 @@ type clientStream struct {
 	cc       *ClientConn
 	desc     *StreamDesc
 
-	codec baseCodec
-	cp    Compressor
-	comp  encoding.Compressor
+	codec        baseCodec
+	compressorV0 Compressor
+	compressorV1 encoding.Compressor
 
 	cancel context.CancelFunc // cancels all attempts
 
 	sentLast bool // sent an end stream
 
+	receivedFirstMsg bool // set after the first message is received
+
 	methodConfig *MethodConfig
 
 	ctx context.Context // the application's context, wrapped by stats/tracing
@@ -571,6 +620,9 @@ type clientStream struct {
 	onCommit         func()
 	replayBuffer     []replayOp // operations to replay on retry
 	replayBufferSize int        // current size of replayBuffer
+	// nameResolutionDelay indicates if there was a delay in the name resolution.
+	// This field is only valid on client side, it's always false on server side.
+	nameResolutionDelay bool
 }
 
 type replayOp struct {
@@ -581,17 +633,17 @@ type replayOp struct {
 // csAttempt implements a single transport stream attempt within a
 // clientStream.
 type csAttempt struct {
-	ctx        context.Context
-	cs         *clientStream
-	t          transport.ClientTransport
-	s          *transport.Stream
-	p          *parser
-	pickResult balancer.PickResult
-
-	finished  bool
-	dc        Decompressor
-	decomp    encoding.Compressor
-	decompSet bool
+	ctx             context.Context
+	cs              *clientStream
+	transport       transport.ClientTransport
+	transportStream *transport.ClientStream
+	parser          parser
+	pickResult      balancer.PickResult
+
+	finished        bool
+	decompressorV0  Decompressor
+	decompressorV1  encoding.Compressor
+	decompressorSet bool
 
 	mu sync.Mutex // guards trInfo.tr
 	// trInfo may be nil (if EnableTracing is false).
@@ -599,8 +651,8 @@ type csAttempt struct {
 	// and cleared when the finish method is called.
 	trInfo *traceInfo
 
-	statsHandlers []stats.Handler
-	beginTime     time.Time
+	statsHandler stats.Handler
+	beginTime    time.Time
 
 	// set for newStream errors that may be transparently retried
 	allowTransparentRetry bool
@@ -637,14 +689,14 @@ func (a *csAttempt) shouldRetry(err error) (bool, error) {
 		// RPC is finished or committed or was dropped by the picker; cannot retry.
 		return false, err
 	}
-	if a.s == nil && a.allowTransparentRetry {
+	if a.transportStream == nil && a.allowTransparentRetry {
 		return true, nil
 	}
 	// Wait for the trailers.
 	unprocessed := false
-	if a.s != nil {
-		<-a.s.Done()
-		unprocessed = a.s.Unprocessed()
+	if a.transportStream != nil {
+		<-a.transportStream.Done()
+		unprocessed = a.transportStream.Unprocessed()
 	}
 	if cs.firstAttempt && unprocessed {
 		// First attempt, stream unprocessed: transparently retry.
@@ -656,14 +708,14 @@ func (a *csAttempt) shouldRetry(err error) (bool, error) {
 
 	pushback := 0
 	hasPushback := false
-	if a.s != nil {
-		if !a.s.TrailersOnly() {
+	if a.transportStream != nil {
+		if !a.transportStream.TrailersOnly() {
 			return false, err
 		}
 
 		// TODO(retry): Move down if the spec changes to not check server pushback
 		// before considering this a failure for throttling.
-		sps := a.s.Trailer()["grpc-retry-pushback-ms"]
+		sps := a.transportStream.Trailer()["grpc-retry-pushback-ms"]
 		if len(sps) == 1 {
 			var e error
 			if pushback, e = strconv.Atoi(sps[0]); e != nil || pushback < 0 {
@@ -680,8 +732,8 @@ func (a *csAttempt) shouldRetry(err error) (bool, error) {
 	}
 
 	var code codes.Code
-	if a.s != nil {
-		code = a.s.Status().Code()
+	if a.transportStream != nil {
+		code = a.transportStream.Status().Code()
 	} else {
 		code = status.Code(err)
 	}
@@ -706,11 +758,10 @@ func (a *csAttempt) shouldRetry(err error) (bool, error) {
 		cs.numRetriesSincePushback = 0
 	} else {
 		fact := math.Pow(rp.BackoffMultiplier, float64(cs.numRetriesSincePushback))
-		cur := float64(rp.InitialBackoff) * fact
-		if max := float64(rp.MaxBackoff); cur > max {
-			cur = max
-		}
-		dur = time.Duration(rand.Int63n(int64(cur)))
+		cur := min(float64(rp.InitialBackoff)*fact, float64(rp.MaxBackoff))
+		// Apply jitter by multiplying with a random factor between 0.8 and 1.2
+		cur *= 0.8 + 0.4*rand.Float64()
+		dur = time.Duration(int64(cur))
 		cs.numRetriesSincePushback++
 	}
 
@@ -755,8 +806,8 @@ func (cs *clientStream) Context() context.Context {
 	cs.commitAttempt()
 	// No need to lock before using attempt, since we know it is committed and
 	// cannot change.
-	if cs.attempt.s != nil {
-		return cs.attempt.s.Context()
+	if cs.attempt.transportStream != nil {
+		return cs.attempt.transportStream.Context()
 	}
 	return cs.ctx
 }
@@ -793,9 +844,9 @@ func (cs *clientStream) withRetry(op func(a *csAttempt) error, onSuccess func())
 			continue
 		}
 		if err == io.EOF {
-			<-a.s.Done()
+			<-a.transportStream.Done()
 		}
-		if err == nil || (err == io.EOF && a.s.Status().Code() == codes.OK) {
+		if err == nil || (err == io.EOF && a.transportStream.Status().Code() == codes.OK) {
 			onSuccess()
 			cs.mu.Unlock()
 			return err
@@ -811,7 +862,7 @@ func (cs *clientStream) Header() (metadata.MD, error) {
 	var m metadata.MD
 	err := cs.withRetry(func(a *csAttempt) error {
 		var err error
-		m, err = a.s.Header()
+		m, err = a.transportStream.Header()
 		return toRPCErr(err)
 	}, cs.commitAttemptLocked)
 
@@ -855,10 +906,10 @@ func (cs *clientStream) Trailer() metadata.MD {
 	// directions -- it will prevent races and should not meaningfully impact
 	// performance.
 	cs.commitAttempt()
-	if cs.attempt.s == nil {
+	if cs.attempt.transportStream == nil {
 		return nil
 	}
-	return cs.attempt.s.Trailer()
+	return cs.attempt.transportStream.Trailer()
 }
 
 func (cs *clientStream) replayBufferLocked(attempt *csAttempt) error {
@@ -903,7 +954,7 @@ func (cs *clientStream) SendMsg(m any) (err error) {
 	}
 
 	// load hdr, payload, data
-	hdr, data, payload, pf, err := prepareMsg(m, cs.codec, cs.cp, cs.comp, cs.cc.dopts.copts.BufferPool)
+	hdr, data, payload, pf, err := prepareMsg(m, cs.codec, cs.compressorV0, cs.compressorV1, cs.cc.dopts.copts.BufferPool)
 	if err != nil {
 		return err
 	}
@@ -986,12 +1037,12 @@ func (cs *clientStream) RecvMsg(m any) error {
 
 func (cs *clientStream) CloseSend() error {
 	if cs.sentLast {
-		// TODO: return an error and finish the stream instead, due to API misuse?
+		// Return a nil error on repeated calls to this method.
 		return nil
 	}
 	cs.sentLast = true
 	op := func(a *csAttempt) error {
-		a.t.Write(a.s, nil, nil, &transport.Options{Last: true})
+		a.transportStream.Write(nil, nil, &transport.WriteOptions{Last: true})
 		// Always return nil; io.EOF is the only error that might make sense
 		// instead, but there is no need to signal the client to call RecvMsg
 		// as the only use left for the stream after CloseSend is to call
@@ -1007,7 +1058,10 @@ func (cs *clientStream) CloseSend() error {
 			binlog.Log(cs.ctx, chc)
 		}
 	}
-	// We never returned an error here for reasons.
+	// We don't return an error here as we expect users to read all messages
+	// from the stream and get the RPC status from RecvMsg().  Note that
+	// SendMsg() must return an error when one occurs so the application
+	// knows to stop sending messages, but that does not apply here.
 	return nil
 }
 
@@ -1022,14 +1076,11 @@ func (cs *clientStream) finish(err error) {
 		return
 	}
 	cs.finished = true
-	for _, onFinish := range cs.callInfo.onFinish {
-		onFinish(err)
-	}
 	cs.commitAttemptLocked()
 	if cs.attempt != nil {
 		cs.attempt.finish(err)
 		// after functions all rely upon having a stream.
-		if cs.attempt.s != nil {
+		if cs.attempt.transportStream != nil {
 			for _, o := range cs.opts {
 				o.after(cs.callInfo, cs.attempt)
 			}
@@ -1064,13 +1115,7 @@ func (cs *clientStream) finish(err error) {
 	if err == nil {
 		cs.retryThrottler.successfulRPC()
 	}
-	if channelz.IsOn() {
-		if err != nil {
-			cs.cc.incrCallsFailed()
-		} else {
-			cs.cc.incrCallsSucceeded()
-		}
-	}
+	endOfClientStream(cs.cc, err, cs.opts...)
 	cs.cancel()
 }
 
@@ -1083,7 +1128,7 @@ func (a *csAttempt) sendMsg(m any, hdr []byte, payld mem.BufferSlice, dataLength
 		}
 		a.mu.Unlock()
 	}
-	if err := a.t.Write(a.s, hdr, payld, &transport.Options{Last: !cs.desc.ClientStreams}); err != nil {
+	if err := a.transportStream.Write(hdr, payld, &transport.WriteOptions{Last: !cs.desc.ClientStreams}); err != nil {
 		if !cs.desc.ClientStreams {
 			// For non-client-streaming RPCs, we return nil instead of EOF on error
 			// because the generated code requires it.  finish is not called; RecvMsg()
@@ -1092,50 +1137,54 @@ func (a *csAttempt) sendMsg(m any, hdr []byte, payld mem.BufferSlice, dataLength
 		}
 		return io.EOF
 	}
-	if len(a.statsHandlers) != 0 {
-		for _, sh := range a.statsHandlers {
-			sh.HandleRPC(a.ctx, outPayload(true, m, dataLength, payloadLength, time.Now()))
-		}
-	}
-	if channelz.IsOn() {
-		a.t.IncrMsgSent()
+	if a.statsHandler != nil {
+		a.statsHandler.HandleRPC(a.ctx, outPayload(true, m, dataLength, payloadLength, time.Now()))
 	}
 	return nil
 }
 
 func (a *csAttempt) recvMsg(m any, payInfo *payloadInfo) (err error) {
 	cs := a.cs
-	if len(a.statsHandlers) != 0 && payInfo == nil {
+	if a.statsHandler != nil && payInfo == nil {
 		payInfo = &payloadInfo{}
 		defer payInfo.free()
 	}
 
-	if !a.decompSet {
+	if !a.decompressorSet {
 		// Block until we receive headers containing received message encoding.
-		if ct := a.s.RecvCompress(); ct != "" && ct != encoding.Identity {
-			if a.dc == nil || a.dc.Type() != ct {
+		if ct := a.transportStream.RecvCompress(); ct != "" && ct != encoding.Identity {
+			if a.decompressorV0 == nil || a.decompressorV0.Type() != ct {
 				// No configured decompressor, or it does not match the incoming
 				// message encoding; attempt to find a registered compressor that does.
-				a.dc = nil
-				a.decomp = encoding.GetCompressor(ct)
+				a.decompressorV0 = nil
+				a.decompressorV1 = encoding.GetCompressor(ct)
+			}
+			// Validate that the compression method is acceptable for this call.
+			if !acceptedCompressorAllows(cs.callInfo.acceptedResponseCompressors, ct) {
+				return status.Errorf(codes.Internal, "grpc: peer compressed the response with %q which is not allowed by AcceptCompressors", ct)
 			}
 		} else {
 			// No compression is used; disable our decompressor.
-			a.dc = nil
+			a.decompressorV0 = nil
 		}
 		// Only initialize this state once per stream.
-		a.decompSet = true
+		a.decompressorSet = true
 	}
-	if err := recv(a.p, cs.codec, a.s, a.dc, m, *cs.callInfo.maxReceiveMessageSize, payInfo, a.decomp, false); err != nil {
+	if err := recv(&a.parser, cs.codec, a.transportStream, a.decompressorV0, m, *cs.callInfo.maxReceiveMessageSize, payInfo, a.decompressorV1, false); err != nil {
 		if err == io.EOF {
-			if statusErr := a.s.Status().Err(); statusErr != nil {
+			if statusErr := a.transportStream.Status().Err(); statusErr != nil {
 				return statusErr
 			}
+			// Received no msg and status OK for non-server streaming rpcs.
+			if !cs.desc.ServerStreams && !cs.receivedFirstMsg {
+				return status.Error(codes.Internal, "cardinality violation: received no response message from non-server-streaming RPC")
+			}
 			return io.EOF // indicates successful end of stream.
 		}
 
 		return toRPCErr(err)
 	}
+	cs.receivedFirstMsg = true
 	if a.trInfo != nil {
 		a.mu.Lock()
 		if a.trInfo.tr != nil {
@@ -1143,8 +1192,8 @@ func (a *csAttempt) recvMsg(m any, payInfo *payloadInfo) (err error) {
 		}
 		a.mu.Unlock()
 	}
-	for _, sh := range a.statsHandlers {
-		sh.HandleRPC(a.ctx, &stats.InPayload{
+	if a.statsHandler != nil {
+		a.statsHandler.HandleRPC(a.ctx, &stats.InPayload{
 			Client:           true,
 			RecvTime:         time.Now(),
 			Payload:          m,
@@ -1153,21 +1202,18 @@ func (a *csAttempt) recvMsg(m any, payInfo *payloadInfo) (err error) {
 			Length:           payInfo.uncompressedBytes.Len(),
 		})
 	}
-	if channelz.IsOn() {
-		a.t.IncrMsgRecv()
-	}
 	if cs.desc.ServerStreams {
 		// Subsequent messages should be received by subsequent RecvMsg calls.
 		return nil
 	}
 	// Special handling for non-server-stream rpcs.
 	// This recv expects EOF or errors, so we don't collect inPayload.
-	if err := recv(a.p, cs.codec, a.s, a.dc, m, *cs.callInfo.maxReceiveMessageSize, nil, a.decomp, false); err == io.EOF {
-		return a.s.Status().Err() // non-server streaming Recv returns nil on success
+	if err := recv(&a.parser, cs.codec, a.transportStream, a.decompressorV0, m, *cs.callInfo.maxReceiveMessageSize, nil, a.decompressorV1, false); err == io.EOF {
+		return a.transportStream.Status().Err() // non-server streaming Recv returns nil on success
 	} else if err != nil {
 		return toRPCErr(err)
 	}
-	return toRPCErr(errors.New("grpc: client streaming protocol violation: get <nil>, want <EOF>"))
+	return status.Error(codes.Internal, "cardinality violation: expected <EOF> for non server-streaming RPCs, but received another message")
 }
 
 func (a *csAttempt) finish(err error) {
@@ -1182,33 +1228,32 @@ func (a *csAttempt) finish(err error) {
 		err = nil
 	}
 	var tr metadata.MD
-	if a.s != nil {
-		a.t.CloseStream(a.s, err)
-		tr = a.s.Trailer()
+	if a.transportStream != nil {
+		a.transportStream.Close(err)
+		tr = a.transportStream.Trailer()
 	}
 
 	if a.pickResult.Done != nil {
 		br := false
-		if a.s != nil {
-			br = a.s.BytesReceived()
+		if a.transportStream != nil {
+			br = a.transportStream.BytesReceived()
 		}
 		a.pickResult.Done(balancer.DoneInfo{
 			Err:           err,
 			Trailer:       tr,
-			BytesSent:     a.s != nil,
+			BytesSent:     a.transportStream != nil,
 			BytesReceived: br,
 			ServerLoad:    balancerload.Parse(tr),
 		})
 	}
-	for _, sh := range a.statsHandlers {
-		end := &stats.End{
+	if a.statsHandler != nil {
+		a.statsHandler.HandleRPC(a.ctx, &stats.End{
 			Client:    true,
 			BeginTime: a.beginTime,
 			EndTime:   time.Now(),
 			Trailer:   tr,
 			Error:     err,
-		}
-		sh.HandleRPC(a.ctx, end)
+		})
 	}
 	if a.trInfo != nil && a.trInfo.tr != nil {
 		if err == nil {
@@ -1277,7 +1322,7 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin
 	// if set.
 	var cp Compressor
 	var comp encoding.Compressor
-	if ct := c.compressorType; ct != "" {
+	if ct := c.compressorName; ct != "" {
 		callHdr.SendCompress = ct
 		if ct != encoding.Identity {
 			comp = encoding.GetCompressor(ct)
@@ -1285,9 +1330,9 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin
 				return nil, status.Errorf(codes.Internal, "grpc: Compressor is not installed for requested grpc-encoding %q", ct)
 			}
 		}
-	} else if ac.cc.dopts.cp != nil {
-		callHdr.SendCompress = ac.cc.dopts.cp.Type()
-		cp = ac.cc.dopts.cp
+	} else if ac.cc.dopts.compressorV0 != nil {
+		callHdr.SendCompress = ac.cc.dopts.compressorV0.Type()
+		cp = ac.cc.dopts.compressorV0
 	}
 	if c.creds != nil {
 		callHdr.Creds = c.creds
@@ -1295,26 +1340,28 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin
 
 	// Use a special addrConnStream to avoid retry.
 	as := &addrConnStream{
-		callHdr:  callHdr,
-		ac:       ac,
-		ctx:      ctx,
-		cancel:   cancel,
-		opts:     opts,
-		callInfo: c,
-		desc:     desc,
-		codec:    c.codec,
-		cp:       cp,
-		comp:     comp,
-		t:        t,
-	}
-
-	s, err := as.t.NewStream(as.ctx, as.callHdr)
+		callHdr:          callHdr,
+		ac:               ac,
+		ctx:              ctx,
+		cancel:           cancel,
+		opts:             opts,
+		callInfo:         c,
+		desc:             desc,
+		codec:            c.codec,
+		sendCompressorV0: cp,
+		sendCompressorV1: comp,
+		decompressorV0:   ac.cc.dopts.dc,
+		transport:        t,
+	}
+
+	// nil stats handler: internal streams like health and ORCA do not support telemetry.
+	s, err := as.transport.NewStream(as.ctx, as.callHdr, nil)
 	if err != nil {
 		err = toRPCErr(err)
 		return nil, err
 	}
-	as.s = s
-	as.p = &parser{r: s, bufferPool: ac.dopts.copts.BufferPool}
+	as.transportStream = s
+	as.parser = parser{r: s, bufferPool: ac.dopts.copts.BufferPool}
 	ac.incrCallsStarted()
 	if desc != unaryStreamDesc {
 		// Listen on stream context to cleanup when the stream context is
@@ -1340,29 +1387,32 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin
 }
 
 type addrConnStream struct {
-	s         *transport.Stream
-	ac        *addrConn
-	callHdr   *transport.CallHdr
-	cancel    context.CancelFunc
-	opts      []CallOption
-	callInfo  *callInfo
-	t         transport.ClientTransport
-	ctx       context.Context
-	sentLast  bool
-	desc      *StreamDesc
-	codec     baseCodec
-	cp        Compressor
-	comp      encoding.Compressor
-	decompSet bool
-	dc        Decompressor
-	decomp    encoding.Compressor
-	p         *parser
-	mu        sync.Mutex
-	finished  bool
+	transportStream  *transport.ClientStream
+	ac               *addrConn
+	callHdr          *transport.CallHdr
+	cancel           context.CancelFunc
+	opts             []CallOption
+	callInfo         *callInfo
+	transport        transport.ClientTransport
+	ctx              context.Context
+	sentLast         bool
+	receivedFirstMsg bool
+	desc             *StreamDesc
+	codec            baseCodec
+	sendCompressorV0 Compressor
+	sendCompressorV1 encoding.Compressor
+	decompressorSet  bool
+	decompressorV0   Decompressor
+	decompressorV1   encoding.Compressor
+	parser           parser
+
+	// mu guards finished and is held for the entire finish method.
+	mu       sync.Mutex
+	finished bool
 }
 
 func (as *addrConnStream) Header() (metadata.MD, error) {
-	m, err := as.s.Header()
+	m, err := as.transportStream.Header()
 	if err != nil {
 		as.finish(toRPCErr(err))
 	}
@@ -1370,17 +1420,17 @@ func (as *addrConnStream) Header() (metadata.MD, error) {
 }
 
 func (as *addrConnStream) Trailer() metadata.MD {
-	return as.s.Trailer()
+	return as.transportStream.Trailer()
 }
 
 func (as *addrConnStream) CloseSend() error {
 	if as.sentLast {
-		// TODO: return an error and finish the stream instead, due to API misuse?
+		// Return a nil error on repeated calls to this method.
 		return nil
 	}
 	as.sentLast = true
 
-	as.t.Write(as.s, nil, nil, &transport.Options{Last: true})
+	as.transportStream.Write(nil, nil, &transport.WriteOptions{Last: true})
 	// Always return nil; io.EOF is the only error that might make sense
 	// instead, but there is no need to signal the client to call RecvMsg
 	// as the only use left for the stream after CloseSend is to call
@@ -1389,7 +1439,7 @@ func (as *addrConnStream) CloseSend() error {
 }
 
 func (as *addrConnStream) Context() context.Context {
-	return as.s.Context()
+	return as.transportStream.Context()
 }
 
 func (as *addrConnStream) SendMsg(m any) (err error) {
@@ -1411,7 +1461,7 @@ func (as *addrConnStream) SendMsg(m any) (err error) {
 	}
 
 	// load hdr, payload, data
-	hdr, data, payload, pf, err := prepareMsg(m, as.codec, as.cp, as.comp, as.ac.dopts.copts.BufferPool)
+	hdr, data, payload, pf, err := prepareMsg(m, as.codec, as.sendCompressorV0, as.sendCompressorV1, as.ac.dopts.copts.BufferPool)
 	if err != nil {
 		return err
 	}
@@ -1430,7 +1480,7 @@ func (as *addrConnStream) SendMsg(m any) (err error) {
 		return status.Errorf(codes.ResourceExhausted, "trying to send message larger than max (%d vs. %d)", payload.Len(), *as.callInfo.maxSendMessageSize)
 	}
 
-	if err := as.t.Write(as.s, hdr, payload, &transport.Options{Last: !as.desc.ClientStreams}); err != nil {
+	if err := as.transportStream.Write(hdr, payload, &transport.WriteOptions{Last: !as.desc.ClientStreams}); err != nil {
 		if !as.desc.ClientStreams {
 			// For non-client-streaming RPCs, we return nil instead of EOF on error
 			// because the generated code requires it.  finish is not called; RecvMsg()
@@ -1440,9 +1490,6 @@ func (as *addrConnStream) SendMsg(m any) (err error) {
 		return io.EOF
 	}
 
-	if channelz.IsOn() {
-		as.t.IncrMsgSent()
-	}
 	return nil
 }
 
@@ -1454,35 +1501,41 @@ func (as *addrConnStream) RecvMsg(m any) (err error) {
 		}
 	}()
 
-	if !as.decompSet {
+	if !as.decompressorSet {
 		// Block until we receive headers containing received message encoding.
-		if ct := as.s.RecvCompress(); ct != "" && ct != encoding.Identity {
-			if as.dc == nil || as.dc.Type() != ct {
+		if ct := as.transportStream.RecvCompress(); ct != "" && ct != encoding.Identity {
+			if as.decompressorV0 == nil || as.decompressorV0.Type() != ct {
 				// No configured decompressor, or it does not match the incoming
 				// message encoding; attempt to find a registered compressor that does.
-				as.dc = nil
-				as.decomp = encoding.GetCompressor(ct)
+				as.decompressorV0 = nil
+				as.decompressorV1 = encoding.GetCompressor(ct)
+			}
+			// Validate that the compression method is acceptable for this call.
+			if !acceptedCompressorAllows(as.callInfo.acceptedResponseCompressors, ct) {
+				return status.Errorf(codes.Internal, "grpc: peer compressed the response with %q which is not allowed by AcceptCompressors", ct)
 			}
 		} else {
 			// No compression is used; disable our decompressor.
-			as.dc = nil
+			as.decompressorV0 = nil
 		}
 		// Only initialize this state once per stream.
-		as.decompSet = true
+		as.decompressorSet = true
 	}
-	if err := recv(as.p, as.codec, as.s, as.dc, m, *as.callInfo.maxReceiveMessageSize, nil, as.decomp, false); err != nil {
+	if err := recv(&as.parser, as.codec, as.transportStream, as.decompressorV0, m, *as.callInfo.maxReceiveMessageSize, nil, as.decompressorV1, false); err != nil {
 		if err == io.EOF {
-			if statusErr := as.s.Status().Err(); statusErr != nil {
+			if statusErr := as.transportStream.Status().Err(); statusErr != nil {
 				return statusErr
 			}
+			// Received no msg and status OK for non-server streaming rpcs.
+			if !as.desc.ServerStreams && !as.receivedFirstMsg {
+				return status.Error(codes.Internal, "cardinality violation: received no response message from non-server-streaming RPC")
+			}
 			return io.EOF // indicates successful end of stream.
 		}
 		return toRPCErr(err)
 	}
+	as.receivedFirstMsg = true
 
-	if channelz.IsOn() {
-		as.t.IncrMsgRecv()
-	}
 	if as.desc.ServerStreams {
 		// Subsequent messages should be received by subsequent RecvMsg calls.
 		return nil
@@ -1490,12 +1543,12 @@ func (as *addrConnStream) RecvMsg(m any) (err error) {
 
 	// Special handling for non-server-stream rpcs.
 	// This recv expects EOF or errors, so we don't collect inPayload.
-	if err := recv(as.p, as.codec, as.s, as.dc, m, *as.callInfo.maxReceiveMessageSize, nil, as.decomp, false); err == io.EOF {
-		return as.s.Status().Err() // non-server streaming Recv returns nil on success
+	if err := recv(&as.parser, as.codec, as.transportStream, as.decompressorV0, m, *as.callInfo.maxReceiveMessageSize, nil, as.decompressorV1, false); err == io.EOF {
+		return as.transportStream.Status().Err() // non-server streaming Recv returns nil on success
 	} else if err != nil {
 		return toRPCErr(err)
 	}
-	return toRPCErr(errors.New("grpc: client streaming protocol violation: get <nil>, want <EOF>"))
+	return status.Error(codes.Internal, "cardinality violation: expected <EOF> for non server-streaming RPCs, but received another message")
 }
 
 func (as *addrConnStream) finish(err error) {
@@ -1509,8 +1562,8 @@ func (as *addrConnStream) finish(err error) {
 		// Ending a stream with EOF indicates a success.
 		err = nil
 	}
-	if as.s != nil {
-		as.t.CloseStream(as.s, err)
+	if as.transportStream != nil {
+		as.transportStream.Close(err)
 	}
 
 	if err != nil {
@@ -1577,23 +1630,25 @@ type ServerStream interface {
 // serverStream implements a server side Stream.
 type serverStream struct {
 	ctx   context.Context
-	t     transport.ServerTransport
-	s     *transport.Stream
-	p     *parser
+	s     *transport.ServerStream
+	p     parser
 	codec baseCodec
+	desc  *StreamDesc
 
-	cp     Compressor
-	dc     Decompressor
-	comp   encoding.Compressor
-	decomp encoding.Compressor
+	compressorV0   Compressor
+	compressorV1   encoding.Compressor
+	decompressorV0 Decompressor
+	decompressorV1 encoding.Compressor
 
 	sendCompressorName string
 
+	recvFirstMsg bool // set after the first message is received
+
 	maxReceiveMessageSize int
 	maxSendMessageSize    int
 	trInfo                *traceInfo
 
-	statsHandler []stats.Handler
+	statsHandler stats.Handler
 
 	binlogs []binarylog.MethodLogger
 	// serverHeaderBinlogged indicates whether server header has been logged. It
@@ -1628,7 +1683,7 @@ func (ss *serverStream) SendHeader(md metadata.MD) error {
 		return status.Error(codes.Internal, err.Error())
 	}
 
-	err = ss.t.WriteHeader(ss.s, md)
+	err = ss.s.SendHeader(md)
 	if len(ss.binlogs) != 0 && !ss.serverHeaderBinlogged {
 		h, _ := ss.s.Header()
 		sh := &binarylog.ServerHeader{
@@ -1668,7 +1723,7 @@ func (ss *serverStream) SendMsg(m any) (err error) {
 		}
 		if err != nil && err != io.EOF {
 			st, _ := status.FromError(toRPCErr(err))
-			ss.t.WriteStatus(ss.s, st)
+			ss.s.WriteStatus(st)
 			// Non-user specified status was sent out. This should be an error
 			// case (as a server side Cancel maybe).
 			//
@@ -1676,20 +1731,17 @@ func (ss *serverStream) SendMsg(m any) (err error) {
 			// status from the service handler, we will log that error instead.
 			// This behavior is similar to an interceptor.
 		}
-		if channelz.IsOn() && err == nil {
-			ss.t.IncrMsgSent()
-		}
 	}()
 
 	// Server handler could have set new compressor by calling SetSendCompressor.
 	// In case it is set, we need to use it for compressing outbound message.
 	if sendCompressorsName := ss.s.SendCompress(); sendCompressorsName != ss.sendCompressorName {
-		ss.comp = encoding.GetCompressor(sendCompressorsName)
+		ss.compressorV1 = encoding.GetCompressor(sendCompressorsName)
 		ss.sendCompressorName = sendCompressorsName
 	}
 
 	// load hdr, payload, data
-	hdr, data, payload, pf, err := prepareMsg(m, ss.codec, ss.cp, ss.comp, ss.p.bufferPool)
+	hdr, data, payload, pf, err := prepareMsg(m, ss.codec, ss.compressorV0, ss.compressorV1, ss.p.bufferPool)
 	if err != nil {
 		return err
 	}
@@ -1710,7 +1762,7 @@ func (ss *serverStream) SendMsg(m any) (err error) {
 	if payloadLen > ss.maxSendMessageSize {
 		return status.Errorf(codes.ResourceExhausted, "trying to send message larger than max (%d vs. %d)", payloadLen, ss.maxSendMessageSize)
 	}
-	if err := ss.t.Write(ss.s, hdr, payload, &transport.Options{Last: false}); err != nil {
+	if err := ss.s.Write(hdr, payload, &transport.WriteOptions{Last: false}); err != nil {
 		return toRPCErr(err)
 	}
 
@@ -1732,10 +1784,8 @@ func (ss *serverStream) SendMsg(m any) (err error) {
 			binlog.Log(ss.ctx, sm)
 		}
 	}
-	if len(ss.statsHandler) != 0 {
-		for _, sh := range ss.statsHandler {
-			sh.HandleRPC(ss.s.Context(), outPayload(false, m, dataLen, payloadLen, time.Now()))
-		}
+	if ss.statsHandler != nil {
+		ss.statsHandler.HandleRPC(ss.s.Context(), outPayload(false, m, dataLen, payloadLen, time.Now()))
 	}
 	return nil
 }
@@ -1756,7 +1806,7 @@ func (ss *serverStream) RecvMsg(m any) (err error) {
 		}
 		if err != nil && err != io.EOF {
 			st, _ := status.FromError(toRPCErr(err))
-			ss.t.WriteStatus(ss.s, st)
+			ss.s.WriteStatus(st)
 			// Non-user specified status was sent out. This should be an error
 			// case (as a server side Cancel maybe).
 			//
@@ -1764,16 +1814,13 @@ func (ss *serverStream) RecvMsg(m any) (err error) {
 			// status from the service handler, we will log that error instead.
 			// This behavior is similar to an interceptor.
 		}
-		if channelz.IsOn() && err == nil {
-			ss.t.IncrMsgRecv()
-		}
 	}()
 	var payInfo *payloadInfo
-	if len(ss.statsHandler) != 0 || len(ss.binlogs) != 0 {
+	if ss.statsHandler != nil || len(ss.binlogs) != 0 {
 		payInfo = &payloadInfo{}
 		defer payInfo.free()
 	}
-	if err := recv(ss.p, ss.codec, ss.s, ss.dc, m, ss.maxReceiveMessageSize, payInfo, ss.decomp, true); err != nil {
+	if err := recv(&ss.p, ss.codec, ss.s, ss.decompressorV0, m, ss.maxReceiveMessageSize, payInfo, ss.decompressorV1, true); err != nil {
 		if err == io.EOF {
 			if len(ss.binlogs) != 0 {
 				chc := &binarylog.ClientHalfClose{}
@@ -1781,23 +1828,26 @@ func (ss *serverStream) RecvMsg(m any) (err error) {
 					binlog.Log(ss.ctx, chc)
 				}
 			}
+			// Received no request msg for non-client streaming rpcs.
+			if !ss.desc.ClientStreams && !ss.recvFirstMsg {
+				return status.Error(codes.Internal, "cardinality violation: received no request message from non-client-streaming RPC")
+			}
 			return err
 		}
 		if err == io.ErrUnexpectedEOF {
-			err = status.Errorf(codes.Internal, io.ErrUnexpectedEOF.Error())
+			err = status.Error(codes.Internal, io.ErrUnexpectedEOF.Error())
 		}
 		return toRPCErr(err)
 	}
-	if len(ss.statsHandler) != 0 {
-		for _, sh := range ss.statsHandler {
-			sh.HandleRPC(ss.s.Context(), &stats.InPayload{
-				RecvTime:         time.Now(),
-				Payload:          m,
-				Length:           payInfo.uncompressedBytes.Len(),
-				WireLength:       payInfo.compressedLength + headerLen,
-				CompressedLength: payInfo.compressedLength,
-			})
-		}
+	ss.recvFirstMsg = true
+	if ss.statsHandler != nil {
+		ss.statsHandler.HandleRPC(ss.s.Context(), &stats.InPayload{
+			RecvTime:         time.Now(),
+			Payload:          m,
+			Length:           payInfo.uncompressedBytes.Len(),
+			WireLength:       payInfo.compressedLength + headerLen,
+			CompressedLength: payInfo.compressedLength,
+		})
 	}
 	if len(ss.binlogs) != 0 {
 		cm := &binarylog.ClientMessage{
@@ -1807,7 +1857,19 @@ func (ss *serverStream) RecvMsg(m any) (err error) {
 			binlog.Log(ss.ctx, cm)
 		}
 	}
-	return nil
+
+	if ss.desc.ClientStreams {
+		// Subsequent messages should be received by subsequent RecvMsg calls.
+		return nil
+	}
+	// Special handling for non-client-stream rpcs.
+	// This recv expects EOF or errors, so we don't collect inPayload.
+	if err := recv(&ss.p, ss.codec, ss.s, ss.decompressorV0, m, ss.maxReceiveMessageSize, nil, ss.decompressorV1, true); err == io.EOF {
+		return nil
+	} else if err != nil {
+		return err
+	}
+	return status.Error(codes.Internal, "cardinality violation: received multiple request messages for non-client-streaming RPC")
 }
 
 // MethodFromServerStream returns the method string for the input stream.
diff --git a/vendor/google.golang.org/grpc/stream_interfaces.go b/vendor/google.golang.org/grpc/stream_interfaces.go
index 8b813529..0037fee0 100644
--- a/vendor/google.golang.org/grpc/stream_interfaces.go
+++ b/vendor/google.golang.org/grpc/stream_interfaces.go
@@ -22,15 +22,35 @@ package grpc
 // request, many responses) RPC. It is generic over the type of the response
 // message. It is used in generated code.
 type ServerStreamingClient[Res any] interface {
+	// Recv receives the next response message from the server. The client may
+	// repeatedly call Recv to read messages from the response stream.  If
+	// io.EOF is returned, the stream has terminated with an OK status.  Any
+	// other error is compatible with the status package and indicates the
+	// RPC's status code and message.
 	Recv() (*Res, error)
+
+	// ClientStream is embedded to provide Context, Header, and Trailer
+	// functionality.  No other methods in the ClientStream should be called
+	// directly.
 	ClientStream
 }
 
 // ServerStreamingServer represents the server side of a server-streaming (one
 // request, many responses) RPC. It is generic over the type of the response
 // message. It is used in generated code.
+//
+// To terminate the response stream, return from the handler method and return
+// an error from the status package, or use nil to indicate an OK status code.
 type ServerStreamingServer[Res any] interface {
+	// Send sends a response message to the client.  The server handler may
+	// call Send multiple times to send multiple messages to the client.  An
+	// error is returned if the stream was terminated unexpectedly, and the
+	// handler method should return, as the stream is no longer usable.
 	Send(*Res) error
+
+	// ServerStream is embedded to provide Context, SetHeader, SendHeader, and
+	// SetTrailer functionality.  No other methods in the ServerStream should
+	// be called directly.
 	ServerStream
 }
 
@@ -39,8 +59,22 @@ type ServerStreamingServer[Res any] interface {
 // message stream and the type of the unary response message. It is used in
 // generated code.
 type ClientStreamingClient[Req any, Res any] interface {
+	// Send sends a request message to the server.  The client may call Send
+	// multiple times to send multiple messages to the server.  On error, Send
+	// aborts the stream.  If the error was generated by the client, the status
+	// is returned directly.  Otherwise, io.EOF is returned, and the status of
+	// the stream may be discovered using CloseAndRecv().
 	Send(*Req) error
+
+	// CloseAndRecv closes the request stream and waits for the server's
+	// response.  This method must be called once and only once after sending
+	// all request messages.  Any error returned is implemented by the status
+	// package.
 	CloseAndRecv() (*Res, error)
+
+	// ClientStream is embedded to provide Context, Header, and Trailer
+	// functionality.  No other methods in the ClientStream should be called
+	// directly.
 	ClientStream
 }
 
@@ -48,9 +82,28 @@ type ClientStreamingClient[Req any, Res any] interface {
 // requests, one response) RPC. It is generic over both the type of the request
 // message stream and the type of the unary response message. It is used in
 // generated code.
+//
+// To terminate the RPC, call SendAndClose and return nil from the method
+// handler or do not call SendAndClose and return an error from the status
+// package.
 type ClientStreamingServer[Req any, Res any] interface {
+	// Recv receives the next request message from the client.  The server may
+	// repeatedly call Recv to read messages from the request stream.  If
+	// io.EOF is returned, it indicates the client called CloseAndRecv on its
+	// ClientStreamingClient.  Any other error indicates the stream was
+	// terminated unexpectedly, and the handler method should return, as the
+	// stream is no longer usable.
 	Recv() (*Req, error)
+
+	// SendAndClose sends a single response message to the client and closes
+	// the stream.  This method must be called once and only once after all
+	// request messages have been processed.  Recv should not be called after
+	// calling SendAndClose.
 	SendAndClose(*Res) error
+
+	// ServerStream is embedded to provide Context, SetHeader, SendHeader, and
+	// SetTrailer functionality.  No other methods in the ServerStream should
+	// be called directly.
 	ServerStream
 }
 
@@ -59,8 +112,23 @@ type ClientStreamingServer[Req any, Res any] interface {
 // request message stream and the type of the response message stream. It is
 // used in generated code.
 type BidiStreamingClient[Req any, Res any] interface {
+	// Send sends a request message to the server.  The client may call Send
+	// multiple times to send multiple messages to the server.  On error, Send
+	// aborts the stream.  If the error was generated by the client, the status
+	// is returned directly.  Otherwise, io.EOF is returned, and the status of
+	// the stream may be discovered using Recv().
 	Send(*Req) error
+
+	// Recv receives the next response message from the server. The client may
+	// repeatedly call Recv to read messages from the response stream.  If
+	// io.EOF is returned, the stream has terminated with an OK status.  Any
+	// other error is compatible with the status package and indicates the
+	// RPC's status code and message.
 	Recv() (*Res, error)
+
+	// ClientStream is embedded to provide Context, Header, Trailer, and
+	// CloseSend functionality.  No other methods in the ClientStream should be
+	// called directly.
 	ClientStream
 }
 
@@ -68,9 +136,27 @@ type BidiStreamingClient[Req any, Res any] interface {
 // (many requests, many responses) RPC. It is generic over both the type of the
 // request message stream and the type of the response message stream. It is
 // used in generated code.
+//
+// To terminate the stream, return from the handler method and return
+// an error from the status package, or use nil to indicate an OK status code.
 type BidiStreamingServer[Req any, Res any] interface {
+	// Recv receives the next request message from the client.  The server may
+	// repeatedly call Recv to read messages from the request stream.  If
+	// io.EOF is returned, it indicates the client called CloseSend on its
+	// BidiStreamingClient.  Any other error indicates the stream was
+	// terminated unexpectedly, and the handler method should return, as the
+	// stream is no longer usable.
 	Recv() (*Req, error)
+
+	// Send sends a response message to the client.  The server handler may
+	// call Send multiple times to send multiple messages to the client.  An
+	// error is returned if the stream was terminated unexpectedly, and the
+	// handler method should return, as the stream is no longer usable.
 	Send(*Res) error
+
+	// ServerStream is embedded to provide Context, SetHeader, SendHeader, and
+	// SetTrailer functionality.  No other methods in the ServerStream should
+	// be called directly.
 	ServerStream
 }
 
diff --git a/vendor/google.golang.org/grpc/version.go b/vendor/google.golang.org/grpc/version.go
index 7c70005d..76c2eed7 100644
--- a/vendor/google.golang.org/grpc/version.go
+++ b/vendor/google.golang.org/grpc/version.go
@@ -19,4 +19,4 @@
 package grpc
 
 // Version is the current grpc version.
-const Version = "1.66.2"
+const Version = "1.79.3"
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 6d76dee1..f969df44 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -22,8 +22,8 @@ cloud.google.com/go/auth/internal/transport/cert
 # cloud.google.com/go/auth/oauth2adapt v0.2.4
 ## explicit; go 1.20
 cloud.google.com/go/auth/oauth2adapt
-# cloud.google.com/go/compute/metadata v0.5.1
-## explicit; go 1.21
+# cloud.google.com/go/compute/metadata v0.9.0
+## explicit; go 1.24.0
 cloud.google.com/go/compute/metadata
 # cloud.google.com/go/iam v1.2.1
 ## explicit; go 1.21
@@ -498,7 +498,7 @@ golang.org/x/exp/slices
 golang.org/x/exp/slog
 golang.org/x/exp/slog/internal
 golang.org/x/exp/slog/internal/buffer
-# golang.org/x/net v0.47.0
+# golang.org/x/net v0.48.0
 ## explicit; go 1.24.0
 golang.org/x/net/http/httpguts
 golang.org/x/net/http2
@@ -509,7 +509,7 @@ golang.org/x/net/internal/socks
 golang.org/x/net/internal/timeseries
 golang.org/x/net/proxy
 golang.org/x/net/trace
-# golang.org/x/oauth2 v0.32.0
+# golang.org/x/oauth2 v0.34.0
 ## explicit; go 1.24.0
 golang.org/x/oauth2
 golang.org/x/oauth2/authhandler
@@ -573,26 +573,28 @@ google.golang.org/api/transport/http/internal/propagation
 # google.golang.org/genproto v0.0.0-20240903143218-8af14fe29dc1
 ## explicit; go 1.21
 google.golang.org/genproto/googleapis/type/expr
-# google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1
-## explicit; go 1.21
+# google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217
+## explicit; go 1.24.0
 google.golang.org/genproto/googleapis/api
 google.golang.org/genproto/googleapis/api/annotations
-# google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1
-## explicit; go 1.21
+# google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217
+## explicit; go 1.24.0
 google.golang.org/genproto/googleapis/rpc/code
 google.golang.org/genproto/googleapis/rpc/errdetails
 google.golang.org/genproto/googleapis/rpc/status
-# google.golang.org/grpc v1.66.2
-## explicit; go 1.21
+# google.golang.org/grpc v1.79.3
+## explicit; go 1.24.0
 google.golang.org/grpc
 google.golang.org/grpc/attributes
 google.golang.org/grpc/backoff
 google.golang.org/grpc/balancer
 google.golang.org/grpc/balancer/base
+google.golang.org/grpc/balancer/endpointsharding
 google.golang.org/grpc/balancer/grpclb
 google.golang.org/grpc/balancer/grpclb/grpc_lb_v1
 google.golang.org/grpc/balancer/grpclb/state
 google.golang.org/grpc/balancer/pickfirst
+google.golang.org/grpc/balancer/pickfirst/internal
 google.golang.org/grpc/balancer/roundrobin
 google.golang.org/grpc/binarylog/grpc_binarylog_v1
 google.golang.org/grpc/channelz
@@ -611,6 +613,7 @@ google.golang.org/grpc/credentials/insecure
 google.golang.org/grpc/credentials/oauth
 google.golang.org/grpc/encoding
 google.golang.org/grpc/encoding/gzip
+google.golang.org/grpc/encoding/internal
 google.golang.org/grpc/encoding/proto
 google.golang.org/grpc/experimental/stats
 google.golang.org/grpc/grpclog
@@ -618,6 +621,7 @@ google.golang.org/grpc/grpclog/internal
 google.golang.org/grpc/internal
 google.golang.org/grpc/internal/backoff
 google.golang.org/grpc/internal/balancer/gracefulswitch
+google.golang.org/grpc/internal/balancer/weight
 google.golang.org/grpc/internal/balancerload
 google.golang.org/grpc/internal/binarylog
 google.golang.org/grpc/internal/buffer
@@ -631,7 +635,9 @@ google.golang.org/grpc/internal/grpcutil
 google.golang.org/grpc/internal/idle
 google.golang.org/grpc/internal/metadata
 google.golang.org/grpc/internal/pretty
+google.golang.org/grpc/internal/proxyattributes
 google.golang.org/grpc/internal/resolver
+google.golang.org/grpc/internal/resolver/delegatingresolver
 google.golang.org/grpc/internal/resolver/dns
 google.golang.org/grpc/internal/resolver/dns/internal
 google.golang.org/grpc/internal/resolver/passthrough
@@ -643,6 +649,7 @@ google.golang.org/grpc/internal/syscall
 google.golang.org/grpc/internal/transport
 google.golang.org/grpc/internal/transport/networktype
 google.golang.org/grpc/internal/xds
+google.golang.org/grpc/internal/xds/clients
 google.golang.org/grpc/keepalive
 google.golang.org/grpc/mem
 google.golang.org/grpc/metadata