lib/Ext/direct/RemotingProvider.js
function(options) {
        return options && options.getTid ? Ext.direct.Manager.getTransaction(options.getTid()) : null;
    }
function(options) {
        return options && options.getTid ? Ext.direct.Manager.getTransaction(options.getTid()) : null;
    }
Get transaction from XHR options.
@private
@param {Object} options The options sent to the AJAX request.
@return {Ext.direct.Transaction/null} The transaction, `null` if not found.