@Override
  @Nullable
  @NonNls
  public String getHelpTopic() {
    final String topic = super.getHelpTopic();
    if (topic != null) {
      return topic;
    }
    return "reference.settingsdialog.project.structure.module";
  }
@Override
  @Nullable
  @NonNls
  public String getHelpTopic()