/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
const t={ATTRIBUTE:1,CHILD:2,PROPERTY:3,BOOLEAN_ATTRIBUTE:4,EVENT:5,ELEMENT:6},e=t=>(...r)=>({_$litDirective$:t,values:r});class i{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,r,s){this._$Ct=t,this._$AM=r,this._$Ci=s}_$AS(t,r){return this.update(t,r)}update(t,r){return this.render(...r)}}export{i as Directive,t as PartType,e as directive};