docs: def _from_dict(cls, _dict):
          """Initialize a QueryResponse object from a json dictionary."""
          args = {}
          if 'matching_results' in _dict:
              args['matching_results'] = _dict.get('matching_results')
          if 'results' in _dict:
              args['results'] = [
                  QueryResult._from_dict(x) for x in (_dict.get('results'))
              ]
          if 'aggregations' in _dict:
              args['aggregations'] = [
                  QueryAggregation._from_dict(x)
                  for x in (_dict.get('aggregations'))
              ]
          if 'passages' in _dict:
              args['passages'] = [
                  QueryPassages._from_dict(x) for x in (_dict.get('passages'))
              ]
          if 'duplicates_removed' in _dict:
              args['duplicates_removed'] = _dict.get('duplicates_removed')
          if 'session_token' in _dict:
              args['session_token'] = _dict.get('session_token')
          if 'retrieval_details' in _dict:
              args['retrieval_details'] = RetrievalDetails._from_dict(
                  _dict.get('retrieval_details'))
          return cls(**args)