@Override
  protected String getDimensionServiceKey() {
    return myHavePackages
           ? "#com.intellij.refactoring.move.moveClassesOrPackages.MoveClassesOrPackagesDialog.packages"
           : "#com.intellij.refactoring.move.moveClassesOrPackages.MoveClassesOrPackagesDialog.classes";
  }
@Override
  protected String getDimensionServiceKey()