public Object inject(HttpRequest request, HttpResponse response, boolean unwrapAsync) {
    Object injectedValue = delegate.inject(request, response, unwrapAsync);
    injectedValue = injectedValue;
    if (injectedValue != null && injectedValue instanceof CompletionStage) {
        return ((CompletionStage<Object>)injectedValue).thenApply(this::wrap);
    }
    return wrap(CompletionStageHolder.resolve(injectedValue));
}