private static @NlsContexts.NotificationContent String getAllFilesAreUpToDateMessage(FilePath[] roots) {
    if (roots.length == 1 && !roots[0].isDirectory()) {
      return VcsBundle.message("message.text.file.is.up.to.date");
    }
    else {
      return VcsBundle.message("message.text.all.files.are.up.to.date");
    }
  }
private static @NlsContexts.NotificationContent String getAllFilesAreUpToDateMessage(FilePath[] roots)