public RegisterServerExecutorFactory addSubscribers(final ExecutorTypeSubscriber<? extends DataTypeParent> subscriber) {
            subscribers.add(subscriber);
            return this;
        }
Add subscribers abstract queue consumer factory.

@param subscriber the subscriber
@return the abstract queue consumer factory
shenyu-admin/src/main/java/org/apache/shenyu/admin/disruptor/executor/RegisterServerConsumerExecutor.java