    /**
     * @class Ext.data.BufferStore
     * @extends Ext.data.Store
     * @ignore
     */
    Ext.define('Ext.data.BufferStore', {
        extend: 'Ext.data.Store',
        alias: 'store.buffer',
        sortOnLoad: false,
        filterOnLoad: false,

        constructor: function() {
            Ext.Error.raise('The BufferStore class has been deprecated. Instead, specify the buffered config option on Ext.data.Store');
        }
    });