parameters: (message, string)
return_statement: return message
docstring: Parses serialized options.
  
    This helper function is used to parse serialized options in generated
    proto2 files. It must not be used outside proto2.
docstring_summary: Parses serialized options.
docstring_tokens: Parses serialized options .
function: def _ParseOptions(message, string):
    """Parses serialized options.
  
    This helper function is used to parse serialized options in generated
    proto2 files. It must not be used outside proto2.
    """
    message.ParseFromString(string)
    return message
function_tokens: def _ParseOptions ( message , string ) : message . ParseFromString ( string ) return message