@Override
  public @NotNull String getDisplayName() {
    if (myRoots.size() == 1) {
      VirtualFile root = myRoots.iterator().next();
      return CoreBundle.message("scope.display.name.directory.0", root.getName());
    }
    return CoreBundle.message("scope.display.name.directories.0", StringUtil.join(myRoots, file -> "'" + file.getName() + "'", ", "));
  }
@Override
  public @NotNull String getDisplayName()