anchor.diff:        streamVideoCodec: ValueHelper.cast(
           value: json['stream_video_codec'],
           type: CastType.string,
  +        nullEmptyString: false,
         ),
         streamVideoDecision: ValueHelper.cast(
           value: json['stream_video_decision'],
  
positive.code:       streamAudioCodec: ValueHelper.cast(
          value: json['stream_audio_codec'],
          type: CastType.string,
        ),
        streamAudioDecision: ValueHelper.cast(
          value: json['stream_audio_decision'],
  
negative.code:       syncedVersionProfile: ValueHelper.cast(
          value: json['synced_version_profile'],
          type: CastType.string,
          nullEmptyString: false,
        ),
        thumb: ValueHelper.cast(
          value: json['thumb'],
  