protected void throwNoSuchDefinitionException(String name) {
		throw new NoSuchDefinitionException(name,
				String.format("There is no %s definition named '%%s'", definitionKind));
	}
Callback method that subclasses may override to get a chance to act on newly saved definitions.
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/stream/AbstractDeployer.java