docs: def _from_dict(cls, _dict):
          """Initialize a TopHitsResults object from a json dictionary."""
          args = {}
          if 'matching_results' in _dict:
              args['matching_results'] = _dict.get('matching_results')
          if 'hits' in _dict:
              args['hits'] = [
                  QueryResult._from_dict(x) for x in (_dict.get('hits'))
              ]
          return cls(**args)