(SOAPModuleElement) extReg.createExtElement(parentType, elementType);
(SOAPModuleElement) extReg.createExtElement(parentType, elementType);
(HTTPHeaderElement) extReg.createExtElement(parentType, extType);
(SOAPHeaderBlockElement) extReg.createExtElement(parentType, extType);
(HTTPHeaderElement) extReg.createExtElement(parentType, extType);
(SOAPHeaderBlockElement) extReg.createExtElement(parentType, extType);