/**
 * @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=>(...e)=>({_$litDirective$:t,values:e});class r{constructor(t){}get _$AU(){return this._$AM._$AU}_$AT(t,e,r){this._$Ct=t,this._$AM=e,this._$Ci=r}_$AS(t,e){return this.update(t,e)}update(t,e){return this.render(...e)}}export{r as Directive,t as PartType,e as directive};