public VirtualFile @NotNull [] getVirtualFiles() {
    final PackageElement value = getValue();
    if (value == null) {
      return VirtualFile.EMPTY_ARRAY;
    }
    final PsiDirectory[] directories = PackageUtil.getDirectories(value.getPackage(), value.getModule(), isLibraryElement());
    final VirtualFile[] result = new VirtualFile[directories.length];
    for (int i = 0; i < directories.length; i++) {
      PsiDirectory directory = directories[i];
      result[i] = directory.getVirtualFile();
    }
    return result;
  }
public VirtualFile @NotNull [] getVirtualFiles()