public class RemovedApi {
    public static void main(String[] args) {
        LazyConstant<String> c = LazyConstant.of(() -> "x");
        System.out.println(c.isInitialized());   // exists on JDK 26, removed in 27
        System.out.println(c.orElse("fallback")); // exists on JDK 26, removed in 27
    }
}