parameters: (self, message_descriptor)
docstring: Registers the given message descriptor in the local database.
  
      Args:
        message_descriptor (Descriptor): the message descriptor to add.
docstring_summary: Registers the given message descriptor in the local database.
docstring_tokens: Registers the given message descriptor in the local database .
function: def RegisterMessageDescriptor(self, message_descriptor):
      """Registers the given message descriptor in the local database.
  
      Args:
        message_descriptor (Descriptor): the message descriptor to add.
      """
      if api_implementation.Type() == 'python':
        # pylint: disable=protected-access
        self.pool._AddDescriptor(message_descriptor)
function_tokens: def RegisterMessageDescriptor ( self , message_descriptor ) : if api_implementation . Type ( ) == 'python' : # pylint: disable=protected-access self . pool . _AddDescriptor ( message_descriptor )