private void populate(List<Completion> completions, Iterable<? extends NamedResource> resources,
			DeployedCriteria criteria, String kind) {
		for (NamedResource named : resources) {
			if (criteria.matches(named)) {
				completions.add(new Completion(named.getName(), named.getName(), criteria.heading(named, kind), 0));
			}
		}
	}
Option Context of arguments that want to benefit from this converter should have this suffix present, with the
appended part representing the kind of entity they're interested in (<i>e.g.</i> {@code existing-stream}).
spring-xd-shell/src/main/java/org/springframework/xd/shell/converter/ExistingXDEntityConverter.java