The source code

    /**
     * @ignore
     *  Export ComboBox.
     * @author yiminghe@gmail.com
     */
    KISSY.add("combobox", function (S, ComboBox, MultiValueComboBox, FilterSelect, LocalDataSource, RemoteDataSource) {
        ComboBox.LocalDataSource = LocalDataSource;
        ComboBox.RemoteDataSource = RemoteDataSource;
        ComboBox.FilterSelect = FilterSelect;
        ComboBox.MultiValueComboBox = MultiValueComboBox;
        return ComboBox;
    }, {
        requires: [
            'combobox/base',
            'combobox/multi-value-combobox',
            'combobox/filter-select',
            'combobox/LocalDataSource',
            'combobox/RemoteDataSource'
        ]
    });