private void trackDeletedFile(@NotNull ProgressEvent event) {
    @NonNls final String filePath = "file://" + event.getFile().getAbsolutePath().replace(File.separatorChar, '/');
    VirtualFile virtualFile =
      ReadAction.compute(() -> VirtualFileManager.getInstance().findFileByUrl(filePath));

    if (virtualFile != null) {
      myDeletedFiles.add(virtualFile);
    }
  }
private void trackDeletedFile(@NotNull ProgressEvent event)