void queueForIndexing(MailItem item, Object data) { mCurrentChange.addIndexedItem(item, data);
void queueForIndexing(MailItem item, boolean deleteFirst,  Object data) { mCurrentChange.addIndexedItem(item, deleteFirst, data);
    void queueForIndexing(MailItem item, Object data) {        mCurrentChange.addIndexedItem(item, data);    }