public ModuleVersionIdentifier getFrom() {
   ModuleComponentIdentifier moduleComponentIdentifier = dependency.getFrom().getId();
   return DefaultModuleVersionIdentifier.newId(
       moduleComponentIdentifier.getGroup(),
       moduleComponentIdentifier.getName(),
       moduleComponentIdentifier.getVersion());
 }
 public Set<? extends RenderableDependency> getChildren() {
   return Collections.singleton(new InvertedRenderableModuleResult(dependency.getFrom()));
 }