old_contents: from bitmovin.errors import InvalidTypeError
  from bitmovin.resources.models import AbstractModel
  from bitmovin.resources.models.encodings import EncodingOutput
  from bitmovin.resources import AbstractNameDescriptionResource
  from bitmovin.utils import Serializable
  
  
  class AbstractManifest(AbstractNameDescriptionResource, AbstractModel, Serializable):
  
      def __init__(self, id_, manifest_name, outputs, name=None, description=None, custom_data=None):
          super().__init__(id_=id_, custom_data=custom_data, name=name, description=description)
          self.manifestName = manifest_name
          self._outputs = None
          if outputs is not None and not isinstance(outputs, list):
              raise InvalidTypeError('outputs must be a list')
          self.outputs = outputs
  
      @classmethod
      def parse_from_json_object(cls, json_object):
          id_ = json_object['id']
          manifest_name = json_object.get('manifestName')
          outputs = json_object.get('outputs')
          name = json_object.get('name')
          description = json_object.get('description')
          custom_data = json_object.get('customData')
          abstract_manifest = AbstractManifest(
              id_=id_, manifest_name=manifest_name, outputs=outputs, custom_data=custom_data,
              name=name, description=description)
          return abstract_manifest
  
      @property
      def outputs(self):
          return self._outputs
  
      @outputs.setter
      def outputs(self, new_outputs):
          if new_outputs is None:
              return
  
          if not isinstance(new_outputs, list):
              raise InvalidTypeError('new_outputs has to be a list of EncodingOutput objects')
  
          if all(isinstance(output, EncodingOutput) for output in new_outputs):
              self._outputs = new_outputs
          else:
              outputs = []
              for json_object in new_outputs:
                  output = EncodingOutput.parse_from_json_object(json_object)
                  outputs.append(output)
              self._outputs = outputs
  
      def serialize(self):
          serialized = super().serialize()
          serialized['outputs'] = self.outputs
          return serialized
  
new_contents: from bitmovin.errors import InvalidTypeError
  from bitmovin.resources.models import AbstractModel, EncodingOutput
  from bitmovin.resources import AbstractNameDescriptionResource
  from bitmovin.utils import Serializable
  
  
  class AbstractManifest(AbstractNameDescriptionResource, AbstractModel, Serializable):
  
      def __init__(self, id_, manifest_name, outputs, name=None, description=None, custom_data=None):
          super().__init__(id_=id_, custom_data=custom_data, name=name, description=description)
          self.manifestName = manifest_name
          self._outputs = None
          if outputs is not None and not isinstance(outputs, list):
              raise InvalidTypeError('outputs must be a list')
          self.outputs = outputs
  
      @classmethod
      def parse_from_json_object(cls, json_object):
          id_ = json_object['id']
          manifest_name = json_object.get('manifestName')
          outputs = json_object.get('outputs')
          name = json_object.get('name')
          description = json_object.get('description')
          custom_data = json_object.get('customData')
          abstract_manifest = AbstractManifest(
              id_=id_, manifest_name=manifest_name, outputs=outputs, custom_data=custom_data,
              name=name, description=description)
          return abstract_manifest
  
      @property
      def outputs(self):
          return self._outputs
  
      @outputs.setter
      def outputs(self, new_outputs):
          if new_outputs is None:
              return
  
          if not isinstance(new_outputs, list):
              raise InvalidTypeError('new_outputs has to be a list of EncodingOutput objects')
  
          if all(isinstance(output, EncodingOutput) for output in new_outputs):
              self._outputs = new_outputs
          else:
              outputs = []
              for json_object in new_outputs:
                  output = EncodingOutput.parse_from_json_object(json_object)
                  outputs.append(output)
              self._outputs = outputs
  
      def serialize(self):
          serialized = super().serialize()
          serialized['outputs'] = self.outputs
          return serialized
  
subject: revert stuff