docs: public static STSClient createSTSX509Client(Bus bus, Map<String, String> stsProps) {
          final STSClient stsClient = createClient(bus, stsProps);
  
          stsClient.setWsdlLocation(stsProps.get(STS_X509_WSDL_LOCATION));
          stsClient.setEndpointQName(new QName(stsProps.get(STS_NAMESPACE), stsProps.get(STS_X509_ENDPOINT_NAME)));
  
          return stsClient;
      }