code: def add_GRPCTestServerServicer_to_server(servicer, server):
      rpc_method_handlers = {
          "Unary": grpc.unary_unary_rpc_method_handler(
              servicer.Unary,
              request_deserializer=backend_dot_server_dot_common_dot_clients_dot_grpc_dot_proto_dot_test__server__pb2.Request.FromString,
              response_serializer=backend_dot_server_dot_common_dot_clients_dot_grpc_dot_proto_dot_test__server__pb2.Response.SerializeToString,
          ),
          "ClientStreaming": grpc.stream_unary_rpc_method_handler(
              servicer.ClientStreaming,
              request_deserializer=backend_dot_server_dot_common_dot_clients_dot_grpc_dot_proto_dot_test__server__pb2.Request.FromString,
              response_serializer=backend_dot_server_dot_common_dot_clients_dot_grpc_dot_proto_dot_test__server__pb2.Response.SerializeToString,
          ),
          "ServerStreaming": grpc.unary_stream_rpc_method_handler(
              servicer.ServerStreaming,
              request_deserializer=backend_dot_server_dot_common_dot_clients_dot_grpc_dot_proto_dot_test__server__pb2.Request.FromString,
              response_serializer=backend_dot_server_dot_common_dot_clients_dot_grpc_dot_proto_dot_test__server__pb2.Response.SerializeToString,
          ),
          "BidiStreaming": grpc.stream_stream_rpc_method_handler(
              servicer.BidiStreaming,
              request_deserializer=backend_dot_server_dot_common_dot_clients_dot_grpc_dot_proto_dot_test__server__pb2.Request.FromString,
              response_serializer=backend_dot_server_dot_common_dot_clients_dot_grpc_dot_proto_dot_test__server__pb2.Response.SerializeToString,
          ),
      }
      generic_handler = grpc.method_handlers_generic_handler(
          "GRPCTestServer", rpc_method_handlers
      )
      server.add_generic_rpc_handlers((generic_handler,))
  
file_path: ray/python/ray/serve/_private/benchmarks/streaming/_grpc/test_server_pb2_grpc.py
imports: import grpc
  from ray.serve._private.benchmarks.streaming._grpc import test_server_pb2
label_desc: Use image node_id 1 for calling a global function with example usage: add_GRPCTestServerServicer_to_server(servicer, server) without return types