code: public void setTextWeak(boolean weak) {
  
          String style = I_CmsInputLayoutBundle.INSTANCE.inputCss().weakText();
          if (weak) {
              addStyleName(style);
          } else {
              removeStyleName(style);
          }
  
      }
docs: Enables or disables italics display in the checkbox labels.<p>
  
  @param weak true if italics display should be enabled