public static Function<? super HttpService, AuthService> newDecorator(
            Iterable<? extends Authorizer<HttpRequest>> authorizers) {
        return builder().add(authorizers).newDecorator();
    }
Creates a new HTTP authorization {@link HttpService} decorator using the specified
{@link Authorizer}s.

@param authorizers a list of {@link Authorizer}s.
core/src/main/java/com/linecorp/armeria/server/auth/AuthService.java