if (result instanceof Throwable) {
            throw UncheckedException.throwAsUncheckedException(attachCallerThreadStackTrace((Throwable) result));
        }
        if (result == NULL) {
            return null;
        }
        return resultType.cast(result);
    }

    public static Throwable attachCallerThreadStackTrace(Throwable failure) {
        List<StackTraceElement> adjusted = new ArrayList<StackTraceElement>();

        }
    }

    def failWithFailure() {
        if (failure) {
            throw UncheckedException.throwAsUncheckedException(BlockingResultHandler.attachCallerThreadStackTrace(failure))
        }
    }

    def assertNoFailure() {
        if (failure == null) {
            return true
        } else {
            throw failure
        }
    }