Hi, I have below snippet that uses promise. Could someone help me how can i convert this into jquery deferred ? Do not want to use promise, instead want to use  $.Deferred(). Any help would be appreciated? 

return new Promise(function(resolve, reject) {

            if (!self.CheckCustomerAccount(accountNumber)) {

           

            reject(self._handleError(self._createError(null, "INVALID_account_number", self.messages.invalidAccount)));

            }

            else {

            if (DEBUG) {

           

            }

            var saveData = self.runAjax({

            requestType: 'POST',

            requestUrl: '/webapp/bkg/atl/servlet/stlAjaxCheckAccount',

            requestParameters: self._getCommonParameters() ,

            async: false

            });

            if (saveData.status === self.STATUS_SUCCESS) {

            resolve();

            }

            else {

            reject(saveData);

            }

            }

            });