text: function inherits(ctor, superCtor) {
  	if (superCtor) {
  		ctor.super_ = superCtor
  		ctor.prototype = Object.create(superCtor.prototype, {
  			constructor: {
  				value: ctor,
  				enumerable: false,
  				writable: true,
  				configurable: true
  			}
  		})
  	}
  }
  
  export default inherits;
  export {inherits};