docs: private void getTargetFilterStatuses() {
          unknown = SPUIComponentProvider.getButton(UIComponentIdProvider.UNKNOWN_STATUS_ICON,
                  TargetUpdateStatus.UNKNOWN.toString(),
                  i18n.getMessage(UIMessageIdProvider.TOOLTIP_TARGET_STATUS_UNKNOWN),
                  SPUIDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
          inSync = SPUIComponentProvider.getButton(UIComponentIdProvider.INSYNCH_STATUS_ICON,
                  TargetUpdateStatus.IN_SYNC.toString(), i18n.getMessage(UIMessageIdProvider.TOOLTIP_STATUS_INSYNC),
                  SPUIDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
          pending = SPUIComponentProvider.getButton(UIComponentIdProvider.PENDING_STATUS_ICON,
                  TargetUpdateStatus.PENDING.toString(), i18n.getMessage(UIMessageIdProvider.TOOLTIP_STATUS_PENDING),
                  SPUIDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
          error = SPUIComponentProvider.getButton(UIComponentIdProvider.ERROR_STATUS_ICON,
                  TargetUpdateStatus.ERROR.toString(), i18n.getMessage(UIMessageIdProvider.TOOLTIP_STATUS_ERROR),
                  SPUIDefinitions.SP_BUTTON_STATUS_STYLE, false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
          registered = SPUIComponentProvider.getButton(UIComponentIdProvider.REGISTERED_STATUS_ICON,
                  TargetUpdateStatus.REGISTERED.toString(),
                  i18n.getMessage(UIMessageIdProvider.TOOLTIP_STATUS_REGISTERED), SPUIDefinitions.SP_BUTTON_STATUS_STYLE,
                  false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
          overdue = SPUIComponentProvider.getButton(UIComponentIdProvider.OVERDUE_STATUS_ICON, OVERDUE_CAPTION,
                  i18n.getMessage(UIMessageIdProvider.TOOLTIP_STATUS_OVERDUE), SPUIDefinitions.SP_BUTTON_STATUS_STYLE,
                  false, FontAwesome.SQUARE, SPUIButtonStyleSmall.class);
          applyStatusBtnStyle();
          unknown.setData("filterStatusOne");
          inSync.setData("filterStatusTwo");
          pending.setData("filterStatusThree");
          error.setData("filterStatusFour");
          registered.setData("filterStatusFive");
          overdue.setData("filterStatusSix");
  
          unknown.addClickListener(this);
          inSync.addClickListener(this);
          pending.addClickListener(this);
          error.addClickListener(this);
          registered.addClickListener(this);
          overdue.addClickListener(this);
      }