code: def close(self):
      for operation in self._operations:
          operation.close()
  
file_path: flink/flink-python/pyflink/fn_execution/embedded/operations.py
imports: from pyflink.fn_execution.datastream.embedded.operations import extract_process_function
  from pyflink.fn_execution.embedded.converters import DataConverter
label_desc: Use image node_id 3 for calling the FunctionOperation obj's underlying member method code with example usage: obj.close() without return types