def session(self) -> BaseFileWriterSession:
        '''Return the File Writer Session.'''
        return self.session_class(
            self._path_namer,
            self._file_continuing,
            self._headers_included,
            self._local_timestamping,
            self._adjust_extension,
            self._content_disposition,
            self._trust_server_names,
        )
Return the File Writer Session.