@SuppressWarnings({"unchecked", "rawtypes"})
	private static Codec getCodec() {
		return new PojoCodec(new TupleKryoRegistrar());
	}
Test support class for {@link KafkaMessageBus}.
Creates a bus that uses a test {@link TestKafkaCluster kafka cluster}.
@author Eric Bottard
@author Marius Bogoevici
@author David Turanski
@author Gary Russell
spring-xd-dirt/src/test/java/org/springframework/xd/dirt/integration/bus/kafka/KafkaTestMessageBus.java