ExperimentalFirebaseDataConnect
@RequiresOptIn(level = RequiresOptIn.Level.WARNING, message = "This declaration is "experimental": its signature and/or semantics may change in backwards-incompatible ways at any time without notice, up to and including complete removal. If you have a use case that relies on this declaration please open a "feature request" issue at https://github.com/firebase/firebase-android-sdk requesting this declaration's promotion from "experimental" to "fully-supported".")
Marks a Firebase Data Connect declaration as experimental, as the Firebase Android SDK does: its signature and/or semantics may change in backwards-incompatible ways at any time without notice, up to and including complete removal.