class DefaultMQProducer extends ClientConfig implements MQProducer {

    public void setCallbackExecutor(final ExecutorService callbackExecutor) {
        this.defaultMQProducerImpl.setCallbackExecutor(callbackExecutor);
    }

    public  DefaultMQProducer();
    public  DefaultMQProducer(final String producerGroup, RPCHook rpcHook);
    public  DefaultMQProducer(final String producerGroup);
    public  DefaultMQProducer(RPCHook rpcHook);

}