throw UnsupportedOperationException()
    }

    override fun pushPromise(
      streamId: Int,
      associatedStreamId: Int,
      headerBlock: List<Header>,
    ) {
      this.type = Http2.TYPE_PUSH_PROMISE
      this.streamId = streamId
      this.associatedStreamId = associatedStreamId
      this.headerBlock = headerBlock
    }

    override fun alternateService(
      streamId: Int,

# to build TensorFlow. Look at ci/official/envs to find which types of jobs
# push to the cache.  For macOS, use --config=tf_public_macos_cache
build:tf_public_cache --remote_cache="https://storage.googleapis.com/tensorflow-devinfra-bazel-cache/january2024" --remote_upload_local_results=false
# Cache pushes are limited to TF's CI system.
build:tf_public_cache_push --config=tf_public_cache --remote_upload_local_results=true --google_default_credentials

                "uid": "${datasource}"
              },
              "expr": "sum(rate(pilot_xds_push_context_errors{app=\"istiod\"}[1m]))",
              "format": "time_series",
              "hide": false,
              "intervalFactor": 1,
              "legendFormat": "Push Context Errors",
              "refId": "K"
            },
            {
              "datasource": {

  }

  @Test fun peerHttp2ClientDisablesPush() {
    val client = false // Peer is client, so we are server.
    val settings = Settings()
    settings[Settings.ENABLE_PUSH] = 0 // The peer client disables push.
    val connection = connectWithSettings(client, settings)

    // verify the peer's settings were read and applied.
    assertThat(connection.peerSettings.getEnablePush(true)).isFalse()
  }

        id: date
      -
        name: Build containers, and push to GCR only if the 'build and push to gcr.io for staging' label is applied
        id: docker_build
        uses: docker/build-push-action@c56af957549030174b10d6867f20e78cfd7debc5 # v3.2.0
        with:
          push: ${{ contains(github.event.pull_request.labels.*.name, 'build and push to gcr.io for staging') }}
          context: ./tensorflow/tools/tf_sig_build_dockerfiles

          echo "REF=$(echo $GITHUB_REF_NAME | sed 's/r//g')" >> "$GITHUB_OUTPUT"
        id: vars
      -
        name: Build and push
        id: docker_build
        uses: docker/build-push-action@c56af957549030174b10d6867f20e78cfd7debc5 # v3.2.0
        with:
          push: true
          context: ./tensorflow/tools/tf_sig_build_dockerfiles
          target: devel
          build-args: |

The Push Queue is mostly a normal queue, but it has some special logic to merge push requests for each given proxy. This results in each proxy having 0 or 1 outstanding push requests; if additional updates come in the existing push request is just expanded.

Another job polls this queue and triggers each client to start a push.

```mermaid
graph TD
    subgraph Config Flow

          echo "DATE=$(date +'%Y-%m-%d')" >> "$GITHUB_OUTPUT"
        id: tf-version
      -
        name: Build and push
        id: docker_build
        uses: docker/build-push-action@c56af957549030174b10d6867f20e78cfd7debc5 # v3.2.0
        with:
          push: true
          context: ./tensorflow/tools/tf_sig_build_dockerfiles
          target: devel
          build-args: |

          WORKDIR /minio
          ENV GOEXPERIMENT=boringcrypto
          RUN make
          EOF

      - name: Build
        uses: docker/build-push-action@v3
        with:
          context: .
          file: Dockerfile.fips.test
          push: false
          load: true
          tags: minio/fips-test:latest

      # This should fail if grep returns non-zero exit
      - name: Test binary
        run: |

        // GradientTape which uses ones.
        Gradient* zero = input_tensors[target_index].ZerosLike();
        new_zeros.push_back(zero);
        in_grads.push_back(zero);
      } else {
        in_grads.push_back(nullptr);
      }
    } else {
      in_grads.push_back(current_grad->second);
    }
  }

  // Avoid infinite recursion. Whichever forward function we run, it'll end up