call abstract method

TRes call({
  1. Mutation$sendMessageToTarget$sendMessageToTarget$messageGroup$wallpaper$picture? picture,
  2. List<String>? gradientColors,
  3. String? assetImage,
  4. String? $__typename,
})

Implementation

TRes call({
  Mutation$sendMessageToTarget$sendMessageToTarget$messageGroup$wallpaper$picture?
      picture,
  List<String>? gradientColors,
  String? assetImage,
  String? $__typename,
});