public ConversationID getConversationAt(HttpUrl url, int index) { if (url != null) _logger.warning("Request for a conversation with a non-null url! NOT IMPLEMENTED!");
public ConversationID getConversationAt(int index) {
        public ConversationID getConversationAt(HttpUrl url, int index) {            if (url != null)                _logger.warning("Request for a conversation with a non-null url! NOT IMPLEMENTED!");            return (ConversationID) _conversationList.get(index);        }