XercesJanitor<DOMDocument> janitor2(encoder_config);
encoder_config->appendChild(encoder_config->createElementNS(nullptr,lit1.get()));
encoder_config->getDocumentElement()->setAttributeNS(nullptr,lit2.get(),lit3.get());
XercesJanitor<DOMDocument> janitor2(encoder_config);
encoder_config->appendChild(encoder_config->createElementNS(nullptr,lit1.get()));
encoder_config->getDocumentElement()->setAttributeNS(nullptr,lit2.get(),lit3.get());