@io.grpc.stub.annotations.RpcMethod(
      fullMethodName = SERVICE_NAME + '/' + "UpdateOperator",
      requestType = com.google.cloud.visionai.v1.UpdateOperatorRequest.class,
      responseType = com.google.longrunning.Operation.class,
      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
  public static io.grpc.MethodDescriptor<
          com.google.cloud.visionai.v1.UpdateOperatorRequest, com.google.longrunning.Operation>
      getUpdateOperatorMethod() {
    io.grpc.MethodDescriptor<
            com.google.cloud.visionai.v1.UpdateOperatorRequest, com.google.longrunning.Operation>
        getUpdateOperatorMethod;
    if ((getUpdateOperatorMethod = LiveVideoAnalyticsGrpc.getUpdateOperatorMethod) == null) {
      synchronized (LiveVideoAnalyticsGrpc.class) {
        if ((getUpdateOperatorMethod = LiveVideoAnalyticsGrpc.getUpdateOperatorMethod) == null) {
          LiveVideoAnalyticsGrpc.getUpdateOperatorMethod =
              getUpdateOperatorMethod =
                  io.grpc.MethodDescriptor
                      .<com.google.cloud.visionai.v1.UpdateOperatorRequest,
                          com.google.longrunning.Operation>
                          newBuilder()
                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "UpdateOperator"))
                      .setSampledToLocalTracing(true)
                      .setRequestMarshaller(
                          io.grpc.protobuf.ProtoUtils.marshaller(
                              com.google.cloud.visionai.v1.UpdateOperatorRequest
                                  .getDefaultInstance()))
                      .setResponseMarshaller(
                          io.grpc.protobuf.ProtoUtils.marshaller(
                              com.google.longrunning.Operation.getDefaultInstance()))
                      .setSchemaDescriptor(
                          new LiveVideoAnalyticsMethodDescriptorSupplier("UpdateOperator"))
                      .build();
        }
      }
    }
    return getUpdateOperatorMethod;
  }
<pre>
Service describing handlers for resources. The service enables clients to run
Live Video Analytics (LVA) on the streaming inputs.
</pre>
java-visionai/grpc-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/LiveVideoAnalyticsGrpc.java