:return: name of tile metadata file
        :rtype: str

def get_tile_metadata_name(self):
        """
        :return: name of tile metadata file
        :rtype: str
        """
        if self.safe_type == EsaSafeType.OLD_TYPE:
            name = _edit_name(self.tile_id, 'MTD', delete_end=True)
        else:
            name = 'MTD_TL'
        return '{}.xml'.format(name)