Collection<JavaAnonymousClassTreeElement> (@NotNull TreeElement node) { if (node instanceof PsiMethodTreeElement || node instanceof PsiFieldTreeElement || node instanceof ClassInitializerTreeElement) { final PsiElement el = ((PsiTreeElementBase<?>)node).getElement(); if (el != null) { for (AnonymousElementProvider provider : AnonymousElementProvider.EP_NAME.getExtensionList()) { final PsiElement[] elements = provider.getAnonymousElements(el); if (elements.length > 0) { List<JavaAnonymousClassTreeElement> result = new ArrayList<>(elements.length); for (PsiElement element : elements) { result.add(new JavaAnonymousClassTreeElement((PsiAnonymousClass)element)); } return result; } } } } return Collections.emptyList(); }