class ReferenceConfig extends ReferenceConfigBase<T> {

    public synchronized T get() {
        if (destroyed) {
            throw new IllegalStateException("The invoker of ReferenceConfig(" + url + ") has already destroyed!");
        }
        if (ref == null) {
            init();
        }
        return ref;
    }

    public  ReferenceConfig();
    public  ReferenceConfig(Reference reference);

}