Initialize a AnalysisResultsMetadata object from a json dictionary.

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)