public GemFireServerSink gemfireServer(String region) {
		return new GemFireServerSink(region).host(environment.getGemfireHost()).port(environment.getGemfirePort());
	}
Construct a new GemfireServer sink.

@param region the name of the region bound to this sink
@return an instance of {@link org.springframework.xd.test.fixtures.GemFireServerSink}
spring-xd-integration-test/src/main/java/org/springframework/xd/integration/fixtures/Sinks.java