@property
    def if_none_match(self):
        for option in self.options:
            if option.number == defines.OptionRegistry.IF_NONE_MATCH.number:
                return True
        return False
Retrieve `dict` of Subversion properties for this revision
dataset/ETHPy150Open Tanganelli/CoAPthon/coapthon/messages/request.py/Request.if_none_match--crossover with--dataset/ETHPy150Open edgewall/trac/tracopt/versioncontrol/svn/svn_fs.py/SubversionChangeset.get_properties