docs: def _from_dict(cls, _dict):
          """Initialize a Classifier object from a json dictionary."""
          args = {}
          if 'classifier_id' in _dict:
              args['classifier_id'] = _dict.get('classifier_id')
          else:
              raise ValueError(
                  'Required property \'classifier_id\' not present in Classifier JSON'
              )
          if 'name' in _dict:
              args['name'] = _dict.get('name')
          else:
              raise ValueError(
                  'Required property \'name\' not present in Classifier JSON')
          if 'owner' in _dict:
              args['owner'] = _dict.get('owner')
          if 'status' in _dict:
              args['status'] = _dict.get('status')
          if 'core_ml_enabled' in _dict:
              args['core_ml_enabled'] = _dict.get('core_ml_enabled')
          if 'explanation' in _dict:
              args['explanation'] = _dict.get('explanation')
          if 'created' in _dict:
              args['created'] = string_to_datetime(_dict.get('created'))
          if 'classes' in _dict:
              args['classes'] = [
                  Class._from_dict(x) for x in (_dict.get('classes'))
              ]
          if 'retrained' in _dict:
              args['retrained'] = string_to_datetime(_dict.get('retrained'))
          if 'updated' in _dict:
              args['updated'] = string_to_datetime(_dict.get('updated'))
          return cls(**args)