public Routed<ServiceConfig> findServiceConfig(RoutingContext routingCtx) {
        return findServiceConfig(routingCtx, false);
    }
Finds the {@link HttpService} whose {@link Router} matches the {@link RoutingContext}.

@param routingCtx a context to find the {@link HttpService}.

@return the {@link ServiceConfig} wrapped by a {@link Routed} if there's a match.
        {@link Routed#empty()} if there's no match.
core/src/main/java/com/linecorp/armeria/server/VirtualHost.java