void setPresentableUrl(String newUrl) {
    myFilePointer = VirtualFilePointerManager.getInstance().create(VfsUtilCore.pathToUrl(FileUtil.toSystemIndependentName(newUrl)), myParentDisposable, null);
    final VirtualFile file = getVirtualFile();
    if (file != null) {
      myIsFile = !file.isDirectory();
    }
  }
void setPresentableUrl(String newUrl)