text: import Ext_form_CheckboxGroup from './Ext/form/CheckboxGroup.js';
  import ElementParser from './common/ElementParser.js';
  
  export default class EWCCheckboxgroup extends Ext_form_CheckboxGroup {
    constructor() {
      super ([], []);
      this.xtype = 'checkboxgroup';
    }
  }
  try {
    if (window.customElements.get('ext-checkboxgroup') == undefined) {
      window.customElements.define('ext-checkboxgroup', ElementParser.withParsedCallback(EWCCheckboxgroup));
    }
  }
  catch(e) {
    if (window.customElements.get('ext-checkboxgroup') == undefined) {
      window.customElements.define('ext-checkboxgroup', EWCCheckboxgroup);
    }
  }
  