public KafkaSink brokerList(String zkConnect) {
		Assert.hasText(zkConnect, "brokerList must not be empty nor null");
		this.zkConnect = zkConnect;
		return this;
	}
Set the brokerList for the sink

@param zkConnect A list of brokers that the sink can connect
@return instance of Kafka sink
spring-xd-test-fixtures/src/main/java/org/springframework/xd/test/fixtures/KafkaSink.java