docs: public static String getNestedContainerName(String name, String parentIstanceId, String namePrefix) {
  
          String prefix;
          if (CmsStringUtil.isEmptyOrWhitespaceOnly(namePrefix)) {
              prefix = parentIstanceId + "-";
          } else if ("none".equals(namePrefix)) {
              prefix = "";
          } else {
              prefix = namePrefix + "-";
          }
          return prefix + name;
      }