<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _index_fs(self):
 """Returns a deque object full of local file system items. :returns: ``deque`` """


        indexed_objects = self._return_deque()

        directory = self.job_args.get('directory')
        if directory:
            indexed_objects = self._return_deque(
                deque=indexed_objects,
                item=self._drectory_local_files(
                    directory=directory
                )
            )

        object_names = self.job_args.get('object')
        if object_names:
            indexed_objects = self._return_deque(
                deque=indexed_objects,
                item=self._named_local_files(
                    object_names=object_names
                )
            )

        return indexed_objects