@Override
	public void delete(String id) {
		logger.trace("Deleting stream {}", id);
		String path = Paths.build(Paths.STREAMS, id);
		try {
			zkConnection.getClient().delete().deletingChildrenIfNeeded().forPath(path);
		}
		catch (Exception e) {
			//NoNodeException - nothing to delete
			ZooKeeperUtils.wrapAndThrowIgnoring(e, NoNodeException.class);
		}
	}
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