code: public void setNiceName(String value) {
  
          checkFrozen();
          if (CmsStringUtil.isEmptyOrWhitespaceOnly(value)) {
              m_niceName = getName();
          } else {
              m_niceName = value.trim();
          }
      }
docs: Sets the "nice" display name of this module.<p>
  
  <i>Please note:</i>It's not possible to set the modules "nice" name once the module
  configuration has been frozen.<p>
  
  @param value the "nice" display name of this module to set