docs: def _from_dict(cls, _dict):
          """Initialize a TranslationModels object from a json dictionary."""
          args = {}
          if 'models' in _dict:
              args['models'] = [
                  TranslationModel._from_dict(x) for x in (_dict.get('models'))
              ]
          else:
              raise ValueError(
                  'Required property \'models\' not present in TranslationModels JSON'
              )
          return cls(**args)