docs: public static String asString_ApiGatewayBeans(Set<ApiGatewayBean> gateways) {
          TreeSet<ApiGatewayBean> sortedGateways = new TreeSet<>(new Comparator<ApiGatewayBean>() {
              @Override
              public int compare(ApiGatewayBean o1, ApiGatewayBean o2) {
                  return o1.getGatewayId().compareTo(o2.getGatewayId());
              }
          });
          sortedGateways.addAll(gateways);
  
          StringBuilder builder = new StringBuilder();
          boolean first = true;
          if (gateways != null) {
              for (ApiGatewayBean gateway : sortedGateways) {
                  if (!first) {
                      builder.append(", "); //$NON-NLS-1$
                  }
                  builder.append(gateway.getGatewayId());
                  first = false;
              }
          }
          return builder.toString();
      }