def get_datastrip_metadata_name(self, datastrip_folder):
        """
        :param datastrip_folder: name of datastrip folder
        :type: str
        :return: name of datastrip metadata file
        :rtype: str
        """
        if self.safe_type == EsaSafeType.OLD_TYPE:
            name = _edit_name(datastrip_folder, 'MTD', delete_end=True)
        else:
            name = 'MTD_DS'
        return '{}.{}'.format(name, MimeType.XML.value)
:param datastrip_folder: name of datastrip folder
        :type: str
        :return: name of datastrip metadata file
        :rtype: str