private static void tabulateDependencyClasses(RefJavaElement element, Set<? super RefClass> dependencies) {
    addOwnerClassesToSet(element.getOutReferences(), dependencies);
    addOwnerClassesToSet(element.getOutTypeReferences(), dependencies);
    final List<RefEntity> children = element.getChildren();
    for (RefEntity child : children) {
      if (child instanceof RefJavaElement && !(child instanceof RefClass)) {
        tabulateDependencyClasses((RefJavaElement)child, dependencies);
      }
    }
  }
private static void tabulateDependencyClasses(RefJavaElement element, Set<? super RefClass> dependencies)