@cached_property
    def if_unmodified_since(self):
        return parse_date(self.environ.get('HTTP_IF_UNMODIFIED_SINCE'))
Print info about all registrations to stdout.
dataset/ETHPy150Open Eforcers/gae-flask-todo/lib/werkzeug/wrappers.py/ETagRequestMixin.if_unmodified_since--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/lib_config.py/LibConfigRegistry._dump