@Override
	public void delete(StreamDefinition entity) {
		StreamDefinitionRepositoryUtils.deleteDependencies(moduleDependencyRepository, entity);
		this.delete(entity.getName());
	}
The key used in serialized properties to hold the parsed module definitions that make up a stream.
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/stream/zookeeper/ZooKeeperStreamDefinitionRepository.java