docs: def _from_dict(cls, _dict):
          """Initialize a AnalysisResultsMetadata object from a json dictionary."""
          args = {}
          if 'authors' in _dict:
              args['authors'] = [
                  Author._from_dict(x) for x in (_dict.get('authors'))
              ]
          if 'publication_date' in _dict:
              args['publication_date'] = _dict.get('publication_date')
          if 'title' in _dict:
              args['title'] = _dict.get('title')
          if 'image' in _dict:
              args['image'] = _dict.get('image')
          if 'feeds' in _dict:
              args['feeds'] = [Feed._from_dict(x) for x in (_dict.get('feeds'))]
          return cls(**args)