extjs-gpl/examples/classic/neptune-components/app/view/form/widget/CheckboxFieldset.js

GPL licensed version of Sencha Ext JS

Ext.define('Neptune.view.form.widget.CheckboxFieldset', {
    extend: 'Neptune.view.form.widget.Fieldset',
    xtype: 'checkboxFieldset',
    checkboxToggle: true
});