@io.grpc.stub.annotations.RpcMethod(
      fullMethodName = SERVICE_NAME + '/' + "UpdateNode",
      requestType = com.google.cloud.tpu.v2.UpdateNodeRequest.class,
      responseType = com.google.longrunning.Operation.class,
      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
  public static io.grpc.MethodDescriptor<
          com.google.cloud.tpu.v2.UpdateNodeRequest, com.google.longrunning.Operation>
      getUpdateNodeMethod() {
    io.grpc.MethodDescriptor<
            com.google.cloud.tpu.v2.UpdateNodeRequest, com.google.longrunning.Operation>
        getUpdateNodeMethod;
    if ((getUpdateNodeMethod = TpuGrpc.getUpdateNodeMethod) == null) {
      synchronized (TpuGrpc.class) {
        if ((getUpdateNodeMethod = TpuGrpc.getUpdateNodeMethod) == null) {
          TpuGrpc.getUpdateNodeMethod =
              getUpdateNodeMethod =
                  io.grpc.MethodDescriptor
                      .<com.google.cloud.tpu.v2.UpdateNodeRequest, com.google.longrunning.Operation>
                          newBuilder()
                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "UpdateNode"))
                      .setSampledToLocalTracing(true)
                      .setRequestMarshaller(
                          io.grpc.protobuf.ProtoUtils.marshaller(
                              com.google.cloud.tpu.v2.UpdateNodeRequest.getDefaultInstance()))
                      .setResponseMarshaller(
                          io.grpc.protobuf.ProtoUtils.marshaller(
                              com.google.longrunning.Operation.getDefaultInstance()))
                      .setSchemaDescriptor(new TpuMethodDescriptorSupplier("UpdateNode"))
                      .build();
        }
      }
    }
    return getUpdateNodeMethod;
  }
<pre>
Manages TPU nodes and other resources
TPU API v2
</pre>
java-tpu/grpc-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/TpuGrpc.java