@Override
protected Element invokeInternal(Element requestElement) throws Exception {
assertNotNull("No requestElement passed", requestElement);
assertEquals("Invalid request element", REQUEST_ELEMENT, requestElement.getName());
assertEquals("Invalid request element", NAMESPACE_URI, requestElement.getNamespaceURI());
return new Element(RESPONSE_ELEMENT, Namespace.getNamespace("tns", NAMESPACE_URI));
}
};
}