Does Microsoft have a reply for declarative UIs, e.g. React / SwiftUI / Jetpack Compose? I had thought XAML was it and was ahead of the game, but it's kind of

Does Microsoft have a reply for declarative UIs, e.g. React / SwiftUI / Jetpack Compose? I had thought XAML was it and was ahead of the game, but it's kind of a different approach. All the new ones define their declarative UI as inline source code.