@staticmethod
def _custom_datasource_name(collection_id):
    """
        Prepares a name for custom (BYOC) datasource, which is then added to DataSource enum.

        :param: collection_id: Collection id of the BYOC, user's input.
        :type: string
        :return: Name for custom (BYOC) datasource.
        :rtype: string
        """
    return 'BYOC_{}'.format(collection_id)
