private static List<Set<SchemaTypeInfo>> getDirectChildrenOfType(final Project project,
                                                                  final String ns,
                                                                  final String name) {
    GlobalSearchScope filter = createFilter(project);
    return FileBasedIndex.getInstance().getValues(NAME, NsPlusTag.INSTANCE.encode(Pair.create(ns, name)), filter);
  }
private static List<Set<SchemaTypeInfo>> getDirectChildrenOfType(final Project project,
                                                                  final String ns,
                                                                  final String name)