kw -- namespaceURI keys with sequence of element names.

def _getWSAddressTypeCodes(self, **kw):
        '''kw -- namespaceURI keys with sequence of element names.
        '''
        typecodes = []
        try:
            for nsuri,elements in kw.items():
                for el in elements:
                    typecode = GED(nsuri, el)
                    if typecode is None:
                        raise WSActionException, 'Missing namespace, import "%s"' %nsuri

                    typecodes.append(typecode)
            else:
                pass
        except EvaluateException, ex:
            raise EvaluateException, \
                'To use ws-addressing register typecodes for namespace(%s)' %self.wsAddressURI
        return typecodes