docs: def auto_complete(self, term, state=None, postcode=None, max_results=None):
          """
          Gets a list of addresses that begin with the given term.
          """
          self._validate_state(state)
          params = {"term": term, "state": state, "postcode": postcode,
                    "max_results": max_results or self.max_results}
          return self._make_request('/address/autoComplete', params)