@Order(3000.0)
public class PriorityGroup extends AbstractRadioButtonGroup<Long> {

  @Override
  protected String getConfiguredLabel() {
    return TEXTS.get("Priority");
  }

  @Order(1000.0)
  public class HighButton extends AbstractExtensibleRadioButton<Long> {

    @Override
    protected String getConfiguredBackgroundColor() {
      return "FF0000";
    }

    @Override
    protected Long getConfiguredRadioValue() {
      return 10L;
    }
  }

  @Order(2000.0)
  public class MediumButton extends AbstractExtensibleRadioButton<Long> {

    @Override
    protected String getConfiguredBackgroundColor() {
      return "FFFF00";
    }

    @Override
    protected Long getConfiguredRadioValue() {
      return 20L;
    }
  }

  @Order(3000.0)
  public class LowButton extends AbstractExtensibleRadioButton<Long> {

    @Override
    protected String getConfiguredBackgroundColor() {
      return "00FF00";
    }

    @Override
    protected Long getConfiguredRadioValue() {
      return 30L;
    }
  }
}