How to use the messagebird.hlr.HLR function in messagebird

def hlr(self, id):
        """Retrieve the information of a specific HLR lookup."""
        return HLR().load(self.request('hlr/' + str(id)))

def hlr(self, value):
        self._hlr = HLR().load(value)

def lookup_hlr_create(self, phonenumber, params=None):
        """Perform a new HLR lookup."""
        if params is None:
            params = {}
        return HLR().load(self.request('lookup/' + str(phonenumber) + '/hlr', 'POST', params))

def lookup_hlr(self, phonenumber, params=None):
        """Retrieve the information of a specific HLR lookup."""
        if params is None:
            params = {}
        return HLR().load(self.request('lookup/' + str(phonenumber) + '/hlr', 'GET', params))

def hlr_create(self, msisdn, reference):
        """Perform a new HLR lookup."""
        return HLR().load(self.request('hlr', 'POST', {'msisdn': msisdn, 'reference': reference}))