code: def parse_function_proto(proto):
      from pyflink.fn_execution import flink_fn_execution_pb2
  
      serialized_fn = flink_fn_execution_pb2.UserDefinedFunctions()
      serialized_fn.ParseFromString(proto)
      return serialized_fn
  
file_path: flink/flink-python/pyflink/fn_execution/embedded/operation_utils.py
imports: from pyflink.fn_execution.embedded.operations import OneInputFunctionOperation, TwoInputFunctionOperation
  from pyflink.fn_execution.embedded.converters import from_type_info_proto, from_schema_proto
label_desc: Use image node_id 3 for calling a global function with example usage: parse_function_proto(proto) and returns: serialized_fn