private static boolean isUnder(VirtualFile file, final VirtualFilePointerContainer container) {
    for (VirtualFile excludedFile : container.getFiles()) {
      if (VfsUtilCore.isAncestor(excludedFile, file, false)) {
        return true;
      }
    }
    return false;
  }
private static boolean isUnder(VirtualFile file, final VirtualFilePointerContainer container)