@Override
	public List<Registration> getRegistrations() {
		List<Registration> registrations = new ArrayList<>(2);
		registrations.add(new Registration(DefaultTuple.class, defaultTupleSerializer, TUPLE_REGISTRATION_ID));
		registrations.add(new Registration(ArrayList.class, collectionSerializer, ARRAY_LIST_REGISTRATION_ID));
		return registrations;
	}
A {@link org.springframework.xd.dirt.integration.bus.serializer.kryo.KryoRegistrar}
used to register a Tuple serializer.
@author David Turanski
@since 1.2
spring-xd-tuple/src/main/java/org/springframework/xd/tuple/serializer/kryo/TupleKryoRegistrar.java