void ReadClientActivated (SmallXmlParser.IAttrList attrs)
{
string type = GetNotNull (attrs, "type");
string assm = ExtractAssembly (ref type);
if (currentClientUrl == null || currentClientUrl == "")
throw new RemotingException ("url attribute is required in client element when it contains activated entries");
typeEntries.Add (new ActivatedClientTypeEntry (type, assm, currentClientUrl));
}