/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
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/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
const _=window.ShadowRoot&&(void 0===window.ShadyCSS||window.ShadyCSS.nativeShadow)&&"adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype,z=Symbol();class P{constructor(t,i){if(i!==z)throw Error("CSSResult is not constructable. Use `unsafeCSS` or `css` instead.");this.cssText=t}get styleSheet(){return _&&void 0===this.t&&(this.t=new CSSStyleSheet,this.t.replaceSync(this.cssText)),this.t}toString(){return this.cssText}}const I=new Map,W=_?t=>t:t=>t instanceof CSSStyleSheet?(t=>{let i="";for(const s of t.cssRules)i+=s.cssText;return(t=>new P(t+"",z))(i)})(t):t
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
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/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
var V,F,G,Q,X,Y;Z.finalized=!0,Z.shadowRootOptions={mode:"open"},null===(H=(L=globalThis).reactiveElementPlatformSupport)||void 0===H||H.call(L,{ReactiveElement:Z}),(null!==(q=(B=globalThis).reactiveElementVersions)&&void 0!==q?q:B.reactiveElementVersions=[]).push("1.0.0-rc.1"),(null!==(V=(Y=globalThis).litElementVersions)&&void 0!==V?V:Y.litElementVersions=[]).push("3.0.0-rc.1");class tt extends Z{constructor(){super(...arguments),this.renderOptions={host:this},this.Φt=void 0}createRenderRoot(){var t,i;const s=super.createRenderRoot();return null!==(t=(i=this.renderOptions).renderBefore)&&void 0!==t||(i.renderBefore=s.firstChild),s}update(t){const i=this.render();super.update(t),this.Φt=((t,i,s)=>{var e,o;const n=null!==(e=null==s?void 0:s.renderBefore)&&void 0!==e?e:i;let h=n._$litPart$;if(void 0===h){const t=null!==(o=null==s?void 0:s.renderBefore)&&void 0!==o?o:null;n._$litPart$=h=new j(i.insertBefore(d(),t),t,void 0,s)}return h.I(t),h})(i,this.renderRoot,this.renderOptions)}connectedCallback(){var t;super.connectedCallback(),null===(t=this.Φt)||void 0===t||t.setConnected(!0)}disconnectedCallback(){var t;super.disconnectedCallback(),null===(t=this.Φt)||void 0===t||t.setConnected(!1)}render(){return S}}tt.finalized=!0,tt._$litElement$=!0,null===(G=(F=globalThis).litElementHydrateSupport)||void 0===G||G.call(F,{LitElement:tt}),null===(X=(Q=globalThis).litElementPlatformSupport)||void 0===X||X.call(Q,{LitElement:tt});
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
const it=(t,i)=>"method"===i.kind&&i.descriptor&&!("value"in i.descriptor)?{...i,finisher(s){s.createProperty(i.key,t)}}:{kind:"field",key:Symbol(),placement:"own",descriptor:{},originalKey:i.key,initializer(){"function"==typeof i.initializer&&(this[i.key]=i.initializer.call(this))},finisher(s){s.createProperty(i.key,t)}};
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */function st(t){return(i,s)=>void 0!==s?((t,i,s)=>{i.constructor.createProperty(s,t)})(t,i,s):it(t,i)
/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */}var et=function(t,i,s,e){for(var o,n=arguments.length,h=n<3?i:null===e?e=Object.getOwnPropertyDescriptor(i,s):e,l=t.length-1;l>=0;l--)(o=t[l])&&(h=(n<3?o(h):n>3?o(i,s,h):o(i,s))||h);return n>3&&h&&Object.defineProperty(i,s,h),h};let ot=class extends tt{constructor(){super(...arguments),this.name="World",this.count=0}render(){return w`
      <h1>Hello, ${this.name}!</h1>
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      <slot></slot>
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