(self, id_list, time)
guest -> host
        :param id_list:
        :param time
        :return:
guest -> host
        :param id_list:
        :param time
        :return:
guest - > host : param id_list : : param time : return :
def _sync_natural_indexation(self, id_list, time):
        """
        guest -> host
        :param id_list:
        :param time
        :return:
        """
def _sync_natural_indexation ( self , id_list , time ) :