250     def add_usage(self, usage, actions, groups, prefix=None):  argument
292     def _format_usage(self, usage, actions, groups, prefix):  argument
340                 def get_lines(parts, indent, prefix=None):  argument
774                  default=None,  argument
816                  default=None,  argument
850                  default=None,  argument
872                  default=False,  argument
889                  default=True,  argument
908                  default=None,  argument
944                  default=None,  argument
969                  default=None,  argument
990                  default=SUPPRESS,  argument
1010                  default=SUPPRESS,  argument
1242     def _registry_get(self, registry_name, value, default=None):  argument
1439     def _pop_action_class(self, kwargs, default=None):  argument