docs: def _GetArgsDescription(self, args_type):
      """Get a simplified description of the args_type for a flow."""
      args = {}
      if args_type:
        for type_descriptor in args_type.type_infos:
          if not type_descriptor.hidden:
            args[type_descriptor.name] = {
                "description": type_descriptor.description,
                "default": type_descriptor.default,
                "type": "",
            }
            if type_descriptor.type:
              args[type_descriptor.name]["type"] = type_descriptor.type.__name__
      return args