react-native-test-app/visionos/ReactTestApp/Assets.xcassets/AppIcon.solidimagestack/Middle.solidimagestacklayer/Content.imageset/Contents.json

react-native-test-app provides a test app for all supported platforms as a package

{
  "images" : [
    {
      "idiom" : "vision",
      "scale" : "2x"
    }
  ],
  "info" : {
    "author" : "xcode",
    "version" : 1
  }
}