private void checkTopic(String topic) {
		try {
			Validators.checkTopic(topic);
		}
		catch (MQClientException e) {
			throw new AssertionError(e);
		}
	}
@author Timur Valiev
@author <a href="mailto:fangjian0423@gmail.com">Jim</a>
spring-cloud-alibaba-starters/spring-cloud-starter-stream-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/provisioning/RocketMQTopicProvisioner.java