public void refreshTagsFiles() {
    VirtualFile tagsDir = LocalFileSystem.getInstance().refreshAndFindFileByPath(myRefsTagsPath);
    VirtualFile packedRefsFile = LocalFileSystem.getInstance().refreshAndFindFileByPath(myPackedRefsPath);
    VfsUtil.markDirtyAndRefresh(true, true, false, tagsDir, packedRefsFile);
  }
public void refreshTagsFiles()