code: public void setSecurityHint(String hint) {
  
          if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(hint)) {
              m_securityHint.setValue(hint);
              m_securityHint.setVisible(true);
          } else {
              m_securityHint.setVisible(false);
          }
      }
docs: Sets the security hint.<p>
  
  @param hint the hint to display