java completablefuture chain 2 operations

1CompletableFuture<CompletableFuture<Double>> result = getUserDetail(userId)
2.thenApply(user -> getCreditRating(user));
3

1CompletableFuture<User> getUsersDetail(String userId) {
2	return CompletableFuture.supplyAsync(() -> {
3		return UserService.getUserDetails(userId);
4	});	
5}
6
7CompletableFuture<Double> getCreditRating(User user) {
8	return CompletableFuture.supplyAsync(() -> {
9		return CreditRatingService.getCreditRating(user);
10	});
11}
12