It appears that Exchange is returning responses

         * Returns the message count as it was retrieved

         */

        public int getMessageCount() {

            int messageCount = -1;

            // It appears that Exchange is returning responses

            // without a visiblecount element for empty folders

            // Which resulted in this code returning -1 (as that was

            // the previous default.)

            // -1 is an error condition. Now the default is empty

            int messageCount = 0;

            for (String uid : mData.keySet()) {

                HashMap<String, String> data = mData.get(uid);