gistfile1.js

YUI.add(
    "lw-table_wrapper",
    function(Y) {
        var Clazz = Y.namespace("LW").TableWrapper = Y.Base.create(
            "lw_table_wrapper",
            Y.Base,
            [],
            {
                _data_table: null,

                initializer: function (config) {
                    Y.log(Clazz.NAME + "::initializer");
                    this._data_table = new Y.YUI2.widget....
                },

                destructor: function () {
                    Y.log(Clazz.NAME + "::destructor");
                    this._data_table = null;
                }
            },
            {
                ATTRS: {}
            }
        );
    },
    "0.0.1",
    {
        requires: [
            "yui2-datatable"
        ]
    }
);