@Override
	protected Class<?>[] supportedTargetTypes() {
		return new Class<?>[] { byte[].class };
	}
A {@link org.springframework.messaging.converter.MessageConverter}
to convert from a POJO to byte[] with Java.io serialization if any.

@author David Turanski
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/integration/bus/converter/JavaToSerializedMessageConverter.java