parameters: (self, subcommand, parser, parsed_args, **kwargs)
docstring: Resolve command-line options to a Subcommand or None.
  
          :param subcommand: equivalent to parsed_args.command
          :param parser: parser used
          :param parsed_args: output of parsing
          :param kwargs: additional args
          :return: None or a Subcommand
docstring_summary: Resolve command-line options to a Subcommand or None.
docstring_tokens: Resolve command - line options to a Subcommand or None .
function: def parse(self, subcommand, parser, parsed_args, **kwargs):
          """
          Resolve command-line options to a Subcommand or None.
  
          :param subcommand: equivalent to parsed_args.command
          :param parser: parser used
          :param parsed_args: output of parsing
          :param kwargs: additional args
          :return: None or a Subcommand
          """
          raise NotImplementedError()
function_tokens: def parse ( self , subcommand , parser , parsed_args , * * kwargs ) : raise NotImplementedError ( )