@Override
  public boolean isMine(@NotNull Project project, @NotNull VirtualFile file) {
    if (!ProjectRootManager.getInstance(project).getFileIndex().isInContent(file)) return false;

    final FileType fileType = file.getFileType();
    return fileType == HtmlFileType.INSTANCE || fileType == XHtmlFileType.INSTANCE;
  }
@Override
  public boolean isMine(@NotNull Project project, @NotNull VirtualFile file)