1312         return self._add_action(action)
1324     def _add_action(self, action):  member in _ActionsContainer
1386             group_map.get(action, self)._add_action(action)
1512     def _add_action(self, action):  member in _ArgumentGroup
1513         action = super(_ArgumentGroup, self)._add_action(action)
1529     def _add_action(self, action):  member in _MutuallyExclusiveGroup
1533         action = self._container._add_action(action)
1679         self._subparsers._add_action(action)
1684     def _add_action(self, action):  member in ArgumentParser
1686             self._optionals._add_action(action)
1688             self._positionals._add_action(action)