code: def buildable(self, values: Optional[dict]=None, method: Optional[str]=None) -> bool:
          
          if method is not None and method not in self.methods:
              return False
          defaults_match = all(
              values[key] == self.defaults[key] for key in self.defaults if key in values  # noqa: S101, E501
          )
          return defaults_match and set(values.keys()) >= set(self._converters.keys())
docs: Return True if this rule can build with the values and method.