'Get the document root.  For I{rpc/(literal|encoded)}, this is the
name of the method qualifed by the schema tns.
@param method: A service method.
@type method: I{service.Method}
@return: A root element.
@rtype: L{Element}'

def method(self, method):

    ns = method.soap.input.body.namespace
    if (ns[0] is None):
        ns = ('ns0', ns[1])
    method = Element(method.name, ns=ns)
    return method
