code: def _global_dest_mode_is_file(self):
          # type: (SyncCopy) -> bool
          
          if (self._spec.options.dest_mode ==
                  blobxfer.models.azure.StorageModes.File or
                  (self._spec.options.mode ==
                   blobxfer.models.azure.StorageModes.File and
                   self._spec.options.dest_mode ==
                   blobxfer.models.azure.StorageModes.Auto)):
              return True
          return False
docs: Determine if destination mode is file
          :param SyncCopy self: this
          :rtype: bool
          :return: destination mode is file