code: @SafeVarargs
      public final U setDecorators(
              Function<Service<HttpRequest, HttpResponse>,
                      ? extends Service<HttpRequest, HttpResponse>>... decorators) {
          return setDecorators(ImmutableList.copyOf(requireNonNull(decorators, "decorators")));
      }
docs: Sets the decorator of the annotated service object. {@code decorators} are applied to {@code service} in
  order.