def Remap(self, mapper):
    self.__start = self.__start and mapper(self.__start)
    self.__end = self.__end and mapper(self.__end)
Enable or disable 'DNSSEC desired' flag in requests.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/datastore/appscale_stub_util.py/ValueRange.Remap--crossover with--dataset/ETHPy150Open catap/namebench/nb_third_party/dns/message.py/Message.want_dnssec