text: import Ext_util_MixedCollection from '../../Ext/util/MixedCollection.js';
  
  export default class Ext_form_CheckboxManager extends Ext_util_MixedCollection {
    static PROPERTIES() { return [
      'allowFunctions',
      'defaultSortDirection',
      'listeners',
      'multiSortLimit',
      'sorters',
      'sortRoot',
    ]};
    static EVENTS() { return [
      {name:'add', parameters:'index,o,key'},
      {name:'beforesort', parameters:'me,sorters'},
      {name:'clear', parameters:''},
      {name:'remove', parameters:'o,key'},
      {name:'replace', parameters:'key,old,new'},
      {name:'ready', parameters:'cmd,cmdAll'}
    ]};
    static getProperties(properties) {
      properties = properties.concat(Ext_form_CheckboxManager.PROPERTIES());
      return Ext_util_MixedCollection.getProperties(properties);
    }
    static getEvents(events) {
      events = events.concat(Ext_form_CheckboxManager.EVENTS());
      return Ext_util_MixedCollection.getEvents(events);
    }
  
    static get observedAttributes() {
      var attrs = super.observedAttributes
      Ext_form_CheckboxManager.PROPERTIES().forEach(function (property, index, array) {
          attrs.push(property)
      })
      Ext_form_CheckboxManager.EVENTS().forEach(function (eventparameter, index, array) {
          attrs.push('on' + eventparameter.name)
      })
      return attrs
    }
  
    constructor(properties, events) {
      super (
        properties.concat(Ext_form_CheckboxManager.PROPERTIES()),
        events.concat(Ext_form_CheckboxManager.EVENTS())
      )
    }
  
    connectedCallback() {
      super.connectedCallback()
    }
  
    attributeChangedCallback(attrName, oldVal, newVal) {
      super.attributeChangedCallback(attrName, oldVal, newVal)
    }
  
  }
  