protected @NotNull Processor<? super VirtualFile> createFileSearcher(@NotNull Collection<? super VirtualFile> addTo) {
    ProgressIndicator indicator = ProgressManager.getInstance().getProgressIndicator();
    if (indicator != null) {
      indicator.setText(AnalysisBundle.message("scanning.scope.progress.title"));
    }
    return virtualFile -> {
      addTo.add(virtualFile);
      return true;
    };
  }
protected @NotNull Processor<? super VirtualFile> createFileSearcher(@NotNull Collection<? super VirtualFile> addTo)