docs: public static String getZooBaseUrl(String urlPrefix, String app, String env, String version) {
  
          StringBuffer sb = new StringBuffer();
          sb.append(urlPrefix);
  
          sb.append(Constants.SEP_STRING);
          sb.append(app);
  
          sb.append("_");
          sb.append(version);
  
          sb.append("_");
          sb.append(env);
  
          return sb.toString();
      }