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                                <pre><code class="lang-typescript"><span class="hljs-comment">/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */</span>
<span class="hljs-keyword">import</span> { ChangeDetectionStrategy } from <span class="hljs-string">&apos;../change_detection/constants&apos;</span>;
<span class="hljs-keyword">import</span> { Provider } from <span class="hljs-string">&apos;../di&apos;</span>;
<span class="hljs-keyword">import</span> { Type } from <span class="hljs-string">&apos;../type&apos;</span>;
<span class="hljs-keyword">import</span> { TypeDecorator } from <span class="hljs-string">&apos;../util/decorators&apos;</span>;
<span class="hljs-keyword">import</span> { ViewEncapsulation } from <span class="hljs-string">&apos;./view&apos;</span>;
<span class="hljs-comment">/**
 * &#x6307;&#x4EE4;&#x88C5;&#x9970;&#x5668;/&#x6784;&#x9020;&#x51FD;&#x6570;&#x7684;&#x7C7B;&#x578B;&#x3002;
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> DirectiveDecorator {
  <span class="hljs-comment">/**
   * @&#x5B83;&#x80FD;&#x505A;&#x4EC0;&#x4E48; &#x5C06;&#x7C7B;&#x6807;&#x8BB0;&#x4E3A;Angular&#x6307;&#x4EE4;&#xFF0C;&#x5E76;&#x6536;&#x96C6;&#x6307;&#x4EE4;&#x914D;&#x7F6E;
   * &#x5143;&#x6570;&#x636E;.
   *
   * @&#x5982;&#x4F55;&#x4F7F;&#x7528;
   *
   * `.``
   * import {Directive} from &apos;@angular/core&apos;;
   *
   * @Directive({
     *   selector: &apos;my-directive&apos;,
     * })
   * export class MyDirective {
     * }
   * `.``
   *
   * @&#x63CF;&#x8FF0;
   *
   * &#x6307;&#x4EE4;&#x88C5;&#x9970;&#x5668;&#x5141;&#x8BB8;&#x60A8;&#x5C06;&#x7C7B;&#x6807;&#x8BB0;&#x4E3A;Angular&#x6307;&#x4EE4;&#xFF0C;&#x5E76;&#x63D0;&#x4F9B;&#x5176;&#x4ED6;&#x5143;&#x6570;&#x636E;&#xFF0C;
   * &#x4EE5;&#x786E;&#x5B9A;&#x5982;&#x4F55;&#x5728;&#x8FD0;&#x884C;&#x65F6;&#x5904;&#x7406;&#xFF0C;&#x5B9E;&#x4F8B;&#x5316;&#x548C;&#x4F7F;&#x7528;&#x4F2A;&#x6307;&#x4EE4;&#x3002;
   *
   * &#x6307;&#x4EE4;&#x5141;&#x8BB8;&#x60A8;&#x5C06;&#x884C;&#x4E3A;&#x9644;&#x52A0;&#x5230;DOM&#x4E2D;&#x7684;&#x5143;&#x7D20;
   *
   * &#x4E00;&#x4E2A;&#x6307;&#x4EE4;&#x5FC5;&#x987B;&#x5C5E;&#x4E8E;&#x4E00;&#x4E2A;NgModule&#xFF0C;
   * &#x4EE5;&#x4FBF;&#x5B83;&#x88AB;&#x53E6;&#x4E00;&#x4E2A;&#x6307;&#x4EE4;&#xFF0C;&#x7EC4;&#x4EF6;&#x6216;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x4F7F;&#x7528;&#x3002; 
   * &#x8981;&#x6307;&#x5B9A;&#x4E00;&#x4E2A;&#x6307;&#x4EE4;&#x662F;NgModule&#x7684;&#x6210;&#x5458;&#xFF0C;
   * &#x60A8;&#x5E94;&#x8BE5;&#x5C06;&#x5176;&#x5217;&#x5728;&#x8BE5;NgModule&#x7684;&#x201C;&#x58F0;&#x660E;&#x201D;&#x5B57;&#x6BB5;&#x4E2D;&#x3002;
   *
   * &#x9664;&#x4E86;&#x901A;&#x8FC7;&#x6307;&#x4EE4;&#x88C5;&#x9970;&#x5668;&#x6307;&#x5B9A;&#x7684;&#x5143;&#x6570;&#x636E;&#x914D;&#x7F6E;&#x4E4B;&#x5916;,
   * &#x6307;&#x4EE4;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x5B9E;&#x73B0;&#x5404;&#x79CD;&#x751F;&#x547D;&#x5468;&#x671F;&#x94A9;&#x5B50;&#x6765;&#x63A7;&#x5236;&#x5176;&#x8FD0;&#x884C;&#x65F6;&#x884C;&#x4E3A;.
   *
   * **&#x5143;&#x6570;&#x636E;&#x5C5E;&#x6027;:**
   *
   * * **exportAs** - &#x7EC4;&#x4EF6;&#x5B9E;&#x4F8B;&#x5728;&#x6A21;&#x677F;&#x4E2D;&#x5BFC;&#x51FA;&#x7684;&#x540D;&#x79F0;
   * * **host** - &#x7C7B;&#x5C5E;&#x6027;&#x6620;&#x5C04;&#x5230;&#x4E8B;&#x4EF6;&#xFF0C;&#x5C5E;&#x6027;&#x548C;&#x5C5E;&#x6027;&#x7684;&#x4E3B;&#x673A;&#x5143;&#x7D20;&#x7ED1;&#x5B9A;
   * * **inputs** - &#x5C06;&#x7C7B;&#x5C5E;&#x6027;&#x540D;&#x79F0;&#x5217;&#x8868;&#x4F5C;&#x4E3A;&#x7EC4;&#x4EF6;&#x8F93;&#x5165;&#x7684;&#x6570;&#x636E;&#x7ED1;&#x5B9A;
   * * **outputs** - &#x5217;&#x51FA;&#x5176;&#x4ED6;&#x53EF;&#x4EE5;&#x8BA2;&#x9605;&#x7684;&#x8F93;&#x51FA;&#x4E8B;&#x4EF6;&#x7684;&#x7C7B;&#x5C5E;&#x6027;&#x540D;&#x79F0;
   * * **providers** - &#x8BE5;&#x7EC4;&#x4EF6;&#x53CA;&#x5176;&#x5B50;&#x7EC4;&#x4EF6;&#x53EF;&#x7528;&#x7684;&#x63D0;&#x4F9B;&#x7A0B;&#x5E8F;&#x5217;&#x8868;
   * * **queries** -  &#x914D;&#x7F6E;&#x53EF;&#x4EE5;&#x6CE8;&#x5165;&#x7EC4;&#x4EF6;&#x7684;&#x67E5;&#x8BE2;
   * * **selector** - css&#x9009;&#x62E9;&#x5668;&#xFF0C;&#x7528;&#x4E8E;&#x6807;&#x8BC6;&#x6A21;&#x677F;&#x4E2D;&#x7684;&#x6B64;&#x7EC4;&#x4EF6;
   *
   * @&#x7A33;&#x5B9A;
   * @&#x6CE8;&#x89E3;
   */</span>
  (obj: Directive): TypeDecorator;
  <span class="hljs-comment">/**
   * &#x8BF7;&#x53C2;&#x9605;{@link&#x6307;&#x4EE4;}&#x88C5;&#x9970;&#x5668;&#x3002;
   */</span>
  <span class="hljs-keyword">new</span> (obj: Directive): Directive;
}
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> Directive {
  <span class="hljs-comment">/**
   * &#x89E6;&#x53D1;&#x5B9E;&#x4F8B;&#x5316;&#x6307;&#x4EE4;&#x7684;CSS&#x9009;&#x62E9;&#x5668;&#x3002;
   *
   * Angular&#x4EC5;&#x5141;&#x8BB8;&#x6307;&#x4EE4;&#x89E6;&#x53D1;&#x4E0D;&#x8DE8;&#x8D8A;&#x5143;&#x7D20;&#x8FB9;&#x754C;&#x7684;CSS&#x9009;&#x62E9;&#x5668;&#x3002;
   *
   * `selector` &#x53EF;&#x4EE5;&#x88AB;&#x58F0;&#x660E;&#x4E3A;&#x4EE5;&#x4E0B;&#x4E4B;&#x4E00;:
   *
   * - `element-name`: &#x6309;&#x5143;&#x7D20;&#x540D;&#x79F0;&#x9009;&#x62E9;.
   * - `.class`: &#x6309;&#x7C7B;&#x540D;&#x9009;&#x62E9;.
   * - `[attribute]`: &#x6309;&#x5C5E;&#x6027;&#x540D;&#x79F0;&#x9009;&#x62E9;.
   * - `[attribute=value]`: &#x6309;&#x5C5E;&#x6027;&#x540D;&#x79F0;&#x548C;&#x503C;&#x9009;&#x62E9;.
   * - `:not(sub_selector)`: &#x53EA;&#x6709;&#x5F53;&#x5143;&#x7D20;&#x4E0D;&#x5339;&#x914D;`sub_selector`&#x65F6;&#x624D;&#x9009;&#x62E9;.
   * - `selector1, selector2`: &#x9009;&#x62E9;&#x201C;selector1&#x201D;&#x6216;&#x201C;selector2&#x201D;&#x662F;&#x5426;&#x5339;&#x914D;.
   *
   *
   * ### &#x4F8B;
   *
   * &#x5047;&#x8BBE;&#x6211;&#x4EEC;&#x6709;&#x4E00;&#x4E2A;`input [type = text]&#x9009;&#x62E9;&#x5668;&#x7684;&#x6307;&#x4EE4;&#x3002;
   *
   * &#x548C;&#x4EE5;&#x4E0B;HTML:
   *
   * `.``html
   * &lt;form&gt;
   *   &lt;input type=&quot;text&quot;&gt;
   *   &lt;input type=&quot;radio&quot;&gt;
   * &lt;form&gt;
   * `.``
   *
   * &#x8BE5;&#x6307;&#x4EE4;&#x53EA;&#x80FD;&#x5728;`&lt;input type =&#x201C;text&#x201D;&gt;&#x201C;&#x5143;&#x7D20;&#x4E0A;&#x5B9E;&#x4F8B;&#x5316;.
   *
   */</span>
  selector?: <span class="hljs-built_in">string</span>;
  <span class="hljs-comment">/**
   * &#x679A;&#x4E3E;&#x4E00;&#x4E2A;&#x6307;&#x4EE4;&#x7684;&#x6570;&#x636E;&#x7ED1;&#x5B9A;&#x8F93;&#x5165;&#x5C5E;&#x6027;&#x96C6;
   *
   * Angular&#x5728;&#x66F4;&#x6539;&#x68C0;&#x6D4B;&#x671F;&#x95F4;&#x81EA;&#x52A8;&#x66F4;&#x65B0;&#x8F93;&#x5165;&#x5C5E;&#x6027;.
   *
   * `inputs`&#x5C5E;&#x6027;&#x5C06;&#x4E00;&#x7EC4;`directiveProperty`&#x5B9A;&#x4E49;&#x4E3A;`bindingProperty`
   &#x7EC4;&#x6001;:
   *
   * - `directiveProperty`&#x6307;&#x5B9A;&#x5199;&#x5165;&#x503C;&#x7684;&#x7EC4;&#x4EF6;&#x5C5E;&#x6027;.
   * - `bindingProperty`&#x6307;&#x5B9A;&#x8BFB;&#x53D6;&#x503C;&#x7684;DOM&#x5C5E;&#x6027;.
   *
   * &#x5F53;&#x6CA1;&#x6709;&#x63D0;&#x4F9B;`bindingProperty`&#x65F6;&#xFF0C;&#x5B83;&#x88AB;&#x5047;&#x5B9A;&#x4E3A;&#x7B49;&#x4E8E;`directiveProperty`.
   *
   * ### &#x793A;&#x4F8B;&#xFF08;[live demo]&#xFF08;http://plnkr.co/edit/ivhfXY?p=preview&#xFF09;&#xFF09;
   *
   * &#x4EE5;&#x4E0B;&#x793A;&#x4F8B;&#x521B;&#x5EFA;&#x5177;&#x6709;&#x4E24;&#x4E2A;&#x6570;&#x636E;&#x7ED1;&#x5B9A;&#x5C5E;&#x6027;&#x7684;&#x7EC4;&#x4EF6;.
   *
   * `.``typescript
   * @Component({
     *   selector: &apos;bank-account&apos;,
     *   inputs: [&apos;bankName&apos;, &apos;id: account-id&apos;],
     *   template: `
     *     Bank Name: {{bankName}}
     *     Account Id: {{id}}
     *   `
     * })
   * class BankAccount {
     *   bankName: string;
     *   id: string;
     *
     *   // &#x6B64;&#x5C5E;&#x6027;&#x672A;&#x7ED1;&#x5B9A;&#xFF0C;&#x4E0D;&#x4F1A;&#x88AB;Angular&#x81EA;&#x52A8;&#x66F4;&#x65B0;
     *   normalizedBankName: string;
     * }
   *
   * @Component({
     *   selector: &apos;app&apos;,
     *   template: `
     *     &lt;bank-account bank-name=&quot;RBC&quot; account-id=&quot;4747&quot;&gt;&lt;/bank-account&gt;
     *   `
     * })
   * class App {}
   * `.``
   *
   */</span>
  inputs?: <span class="hljs-built_in">string</span>[];
  <span class="hljs-comment">/**
   * &#x679A;&#x4E3E;&#x4E00;&#x7EC4;&#x4E8B;&#x4EF6;&#x7ED1;&#x5B9A;&#x7684;&#x8F93;&#x51FA;&#x5C5E;&#x6027;&#x3002;
   *
   * &#x5F53;&#x8F93;&#x51FA;&#x5C5E;&#x6027;&#x53D1;&#x51FA;&#x4E00;&#x4E2A;&#x4E8B;&#x4EF6;&#x65F6;&#xFF0C;&#x9644;&#x52A0;&#x5230;&#x8BE5;&#x4E8B;&#x4EF6;&#x7684;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x8C03;&#x7528;&#x8BE5;&#x6A21;&#x677F;&#x3002;
   *
   * `outputs`&#x5C5E;&#x6027;&#x5C06;&#x4E00;&#x7EC4;`directiveProperty`&#x5B9A;&#x4E49;&#x4E3A;`bindingProperty`&#x914D;&#x7F6E;:
   *
   * - `directiveProperty`&#x6307;&#x5B9A;&#x53D1;&#x51FA;&#x4E8B;&#x4EF6;&#x7684;&#x7EC4;&#x4EF6;&#x5C5E;&#x6027;.
   * - `bindingProperty`&#x6307;&#x5B9A;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x6240;&#x9644;&#x52A0;&#x7684;DOM&#x5C5E;&#x6027;.
   *
   * ### &#x793A;&#x4F8B;&#xFF08;[live demo]&#xFF08;http://plnkr.co/edit/d5CNq7?p=preview&#xFF09;&#xFF09;
   *
   * `.``typescript
   * @Directive({
     *   selector: &apos;interval-dir&apos;,
     *   outputs: [&apos;everySecond&apos;, &apos;five5Secs: everyFiveSeconds&apos;]
     * })
   * class IntervalDir {
     *   everySecond = new EventEmitter();
     *   five5Secs = new EventEmitter();
     *
     *   constructor() {
     *     setInterval(() =&gt; this.everySecond.emit(&quot;event&quot;), 1000);
     *     setInterval(() =&gt; this.five5Secs.emit(&quot;event&quot;), 5000);
     *   }
     * }
   *
   * @Component({
     *   selector: &apos;app&apos;,
     *   template: `
     *     &lt;interval-dir (everySecond)=&quot;everySecond()&quot; (everyFiveSeconds)=&quot;everyFiveSeconds()&quot;&gt;
     *     &lt;/interval-dir&gt;
     *   `
     * })
   * class App {
     *   everySecond() { console.log(&apos;second&apos;); }
     *   everyFiveSeconds() { console.log(&apos;five seconds&apos;); }
     * }
   * `.``
   *
   */</span>
  outputs?: <span class="hljs-built_in">string</span>[];
  <span class="hljs-comment">/**
   * &#x6307;&#x5B9A;&#x4E0E;&#x4E3B;&#x673A;&#x5143;&#x7D20;&#x76F8;&#x5173;&#x7684;&#x4E8B;&#x4EF6;&#xFF0C;&#x64CD;&#x4F5C;&#xFF0C;&#x5C5E;&#x6027;&#x548C;&#x5C5E;&#x6027;.
   *
   * ## &#x4E3B;&#x673A;&#x76D1;&#x542C;&#x5668;
   *
   * &#x901A;&#x8FC7;&#x4E00;&#x7EC4;`&#xFF08;event&#xFF09;`&#x6307;&#x5411;`method`&#x6765;&#x6307;&#x5B9A;&#x4E00;&#x4E2A;&#x6307;&#x4EE4;&#x4FA6;&#x542C;&#x54EA;&#x4E2A;DOM&#x4E8B;&#x4EF6;
   * &#x952E;&#x503C;&#x5BF9;:
   *
   * - `event`: &#x6307;&#x4EE4;&#x76D1;&#x542C;&#x7684;DOM&#x4E8B;&#x4EF6;.
   * - `statement`: &#x53D1;&#x751F;&#x4E8B;&#x4EF6;&#x65F6;&#x6267;&#x884C;&#x7684;&#x8BED;&#x53E5;.
   * &#x5982;&#x679C;&#x8BE5;&#x8BED;&#x53E5;&#x7684;&#x8BC4;&#x4F30;&#x8FD4;&#x56DE;`false`&#xFF0C;&#x90A3;&#x4E48;`preventDefault`&#x5E94;&#x7528;&#x4E8E;DOM&#x4E8B;&#x4EF6;
   *
   * &#x8981;&#x4FA6;&#x542C;&#x5168;&#x5C40;&#x4E8B;&#x4EF6;&#xFF0C;&#x5FC5;&#x987B;&#x5C06;&#x4E8B;&#x4EF6;&#x540D;&#x79F0;&#x6DFB;&#x52A0;&#x5230;&#x76EE;&#x6807;.
   * &#x76EE;&#x6807;&#x53EF;&#x4EE5;&#x662F;&#x201C;window&#x201D;&#xFF0C;&#x201C;document&#x201D;&#x6216;&#x201C;body&#x201D;.
   *
   * &#x7F16;&#x5199;&#x6307;&#x4EE4;&#x4E8B;&#x4EF6;&#x7ED1;&#x5B9A;&#x65F6;&#xFF0C;&#x8FD8;&#x53EF;&#x4EE5;&#x53C2;&#x8003;$ event&#x5C40;&#x90E8;&#x53D8;&#x91CF;.
   *
   * ### &#x793A;&#x4F8B;&#xFF08;[live demo]&#xFF08;http://plnkr.co/edit/DlA5KU?p=preview&#xFF09;&#xFF09;
   *
   * &#x4EE5;&#x4E0B;&#x793A;&#x4F8B;&#x58F0;&#x660E;&#x5C06;&#x70B9;&#x51FB;&#x76D1;&#x542C;&#x5668;&#x9644;&#x52A0;&#x5230;&#x6309;&#x94AE;&#x5E76;&#x8BA1;&#x6570;&#x70B9;&#x51FB;&#x7684;&#x6307;&#x4EE4;.
   *
   * `.``typescript
   * @Directive({
     *   selector: &apos;button[counting]&apos;,
     *   host: {
     *     &apos;(click)&apos;: &apos;onClick($event.target)&apos;
     *   }
     * })
   * class CountClicks {
     *   numberOfClicks = 0;
     *
     *   onClick(btn) {
     *     console.log(&quot;button&quot;, btn, &quot;number of clicks:&quot;, this.numberOfClicks++);
     *   }
     * }
   *
   * @Component({
     *   selector: &apos;app&apos;,
     *   template: `&lt;button counting&gt;Increment&lt;/button&gt;`
     * })
   * class App {}
   * `.``
   *
   * ## &#x4E3B;&#x673A;&#x5C5E;&#x6027;&#x7ED1;&#x5B9A;
   *
   * &#x6307;&#x5B9A;&#x6307;&#x4EE4;&#x66F4;&#x65B0;&#x7684;DOM&#x5C5E;&#x6027;&#x3002;
   *
   * &#x5728;&#x66F4;&#x6539;&#x68C0;&#x6D4B;&#x671F;&#x95F4;&#xFF0C;Angular&#x4F1A;&#x81EA;&#x52A8;&#x68C0;&#x67E5;&#x4E3B;&#x673A;&#x5C5E;&#x6027;&#x7ED1;&#x5B9A;.
   * &#x5982;&#x679C;&#x7ED1;&#x5B9A;&#x66F4;&#x6539;&#xFF0C;&#x5B83;&#x5C06;&#x66F4;&#x65B0;&#x6307;&#x4EE4;&#x7684;&#x4E3B;&#x673A;&#x5143;&#x7D20;.
   *
   * ### &#x793A;&#x4F8B;&#xFF08;[live demo]&#xFF08;http://plnkr.co/edit/gNg0ED?p=preview&#xFF09;&#xFF09;
   *
   * &#x4EE5;&#x4E0B;&#x793A;&#x4F8B;&#x521B;&#x5EFA;&#x4E86;&#x4E00;&#x4E2A;&#x5728;DOM&#x5143;&#x7D20;&#x4E0A;&#x8BBE;&#x7F6E;&#x201C;valid&#x201D;&#x548C;&#x201C;invalid&#x201D;&#x7C7B;&#x7684;&#x6307;&#x4EE4;&#xFF0C;
   * &#x8BE5;&#x5143;&#x7D20;&#x5177;&#x6709;ngModel&#x4F2A;&#x6307;&#x4EE4;.
   *
   * `.``typescript
   * @Directive({
     *   selector: &apos;[ngModel]&apos;,
     *   host: {
     *     &apos;[class.valid]&apos;: &apos;valid&apos;,
     *     &apos;[class.invalid]&apos;: &apos;invalid&apos;
     *   }
     * })
   * class NgModelStatus {
     *   constructor(public control:NgModel) {}
     *   get valid { return this.control.valid; }
     *   get invalid { return this.control.invalid; }
     * }
   *
   * @Component({
     *   selector: &apos;app&apos;,
     *   template: `&lt;input [(ngModel)]=&quot;prop&quot;&gt;`
     * })
   * class App {
     *   prop;
     * }
   * `.``
   *
   * ## &#x5C5E;&#x6027;
   *
   * &#x6307;&#x5B9A;&#x5E94;&#x4F20;&#x64AD;&#x5230;&#x4E3B;&#x673A;&#x5143;&#x7D20;&#x7684;&#x9759;&#x6001;&#x5C5E;&#x6027;.
   *
   * ### &#x4F8B;
   *
   * &#x5728;&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;&#x4E2D;&#xFF0C;
   * &#x4F7F;&#x7528;&#x4E3B;&#x673A;&#x5143;&#x7D20;&#xFF08;&#x8FD9;&#x91CC;&#xFF1A;`&lt;div&gt;`&#xFF09;&#x4E0A;&#x7684;`my-button`&#x6307;&#x4EE4;
   * &#xFF08;&#x4F8B;&#x5982;&#xFF1A;`&lt;div my-button&gt; &lt;/ div&gt;`&#xFF09;&#x5C06;&#x786E;&#x4FDD;&#x8BE5;&#x5143;&#x7D20;&#x5C06;&#x83B7;&#x5F97;&#x201C;&#x6309;&#x94AE; &#x201C;&#x89D2;&#x8272;&#x3002;.
   *
   * `.``typescript
   * @Directive({
     *   selector: &apos;[my-button]&apos;,
     *   host: {
     *     &apos;role&apos;: &apos;button&apos;
     *   }
     * })
   * class MyButton {
     * }
   * `.``
   */</span>
  host?: {
    [key: <span class="hljs-built_in">string</span>]: <span class="hljs-built_in">string</span>;
  };
  <span class="hljs-comment">/**
   * &#x5B9A;&#x4E49;&#x6307;&#x4EE4;&#x548C;&#x5176;&#x8F7B;&#x578B;DOM&#x5B50;&#x9879;&#x53EF;&#x89C1;&#x7684;&#x53EF;&#x6CE8;&#x5C04;&#x5BF9;&#x8C61;&#x96C6;&#x5408;.
   *
   * ## &#x7B80;&#x4F8B;
   *
   * &#x8FD9;&#x662F;&#x4E00;&#x4E2A;&#x53EF;&#x4EE5;&#x6CE8;&#x5165;&#x7684;&#x7C7B;&#x7684;&#x4F8B;&#x5B50;:
   *
   * `.``
   * class Greeter {
     *    greet(name:string) {
     *      return &apos;Hello &apos; + name + &apos;!&apos;;
     *    }
     * }
   *
   * @Directive({
     *   selector: &apos;greet&apos;,
     *   providers: [
     *     Greeter
     *   ]
     * })
   * class HelloWorld {
     *   greeter:Greeter;
     *
     *   constructor(greeter:Greeter) {
     *     this.greeter = greeter;
     *   }
     * }
   * `.``
   */</span>
  providers?: Provider[];
  <span class="hljs-comment">/**
   * &#x5B9A;&#x4E49;&#x53EF;&#x4EE5;&#x5728;&#x6A21;&#x677F;&#x4E2D;&#x4F7F;&#x7528;&#x7684;&#x540D;&#x79F0;&#xFF0C;&#x4EE5;&#x5C06;&#x6B64;&#x6307;&#x4EE4;&#x5206;&#x914D;&#x7ED9;&#x53D8;&#x91CF;.
   *
   * ## &#x7B80;&#x4F8B;
   *
   * `.``
   * @Directive({
     *   selector: &apos;child-dir&apos;,
     *   exportAs: &apos;child&apos;
     * })
   * class ChildDir {
     * }
   *
   * @Component({
     *   selector: &apos;main&apos;,
     *   template: `&lt;child-dir #c=&quot;child&quot;&gt;&lt;/child-dir&gt;`
     * })
   * class MainComponent {
     * }
   *
   * `.``
   */</span>
  exportAs?: <span class="hljs-built_in">string</span>;
  <span class="hljs-comment">/**
   * &#x914D;&#x7F6E;&#x5C06;&#x6CE8;&#x5165;&#x5230;&#x6307;&#x4EE4;&#x4E2D;&#x7684;&#x67E5;&#x8BE2;.
   *
   * &#x5185;&#x5BB9;&#x67E5;&#x8BE2;&#x5728;&#x8C03;&#x7528;`ngAfterContentInit`&#x56DE;&#x8C03;&#x4E4B;&#x524D;&#x8BBE;&#x7F6E;.
   * &#x67E5;&#x8BE2;&#x67E5;&#x8BE2;&#x662F;&#x5728;&#x8C03;&#x7528;`ngAfterViewInit`&#x56DE;&#x8C03;&#x4E4B;&#x524D;&#x8BBE;&#x7F6E;&#x7684;.
   *
   * ### &#x4F8B;
   *
   * `.``
   * @Component({
     *   selector: &apos;someDir&apos;,
     *   queries: {
     *     contentChildren: new ContentChildren(ChildDirective),
     *     viewChildren: new ViewChildren(ChildDirective)
     *   },
     *   template: &apos;&lt;child-directive&gt;&lt;/child-directive&gt;&apos;
     * })
   * class SomeDir {
     *   contentChildren: QueryList&lt;ChildDirective&gt;,
     *   viewChildren: QueryList&lt;ChildDirective&gt;
     *
     *   ngAfterContentInit() {
     *     // &#x5185;&#x5BB9;&#x8282;&#x70B9;&#x8BBE;&#x7F6E;
     *   }
     *
     *   ngAfterViewInit() {
     *     // &#x8BBE;&#x56FE;&#x8282;&#x70B9;&#x8BBE;&#x5728;
     *   }
     * }
   * `.``
   */</span>
  queries?: {
    [key: <span class="hljs-built_in">string</span>]: <span class="hljs-built_in">any</span>;
  };
}
<span class="hljs-comment">/**
 * &#x6307;&#x4EE4;&#x88C5;&#x9970;&#x5668;&#x548C;&#x5143;&#x6570;&#x636E;.
 *
 * @&#x7A33;&#x5B9A;
 * @&#x6CE8;&#x89E3;
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">declare</span> <span class="hljs-keyword">const</span> Directive: DirectiveDecorator;
<span class="hljs-comment">/**
 * Component&#x88C5;&#x9970;&#x5668;/&#x6784;&#x9020;&#x51FD;&#x6570;&#x7684;&#x7C7B;&#x578B;.
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> ComponentDecorator {
  <span class="hljs-comment">/**
   * @whatItDoes&#x5C06;&#x7C7B;&#x6807;&#x8BB0;&#x4E3A;&#x89D2;&#x5EA6;&#x7EC4;&#x4EF6;&#x5E76;&#x6536;&#x96C6;&#x7EC4;&#x4EF6;&#x914D;&#x7F6E;&#x5143;&#x6570;&#x636E;.
   *
   * @&#x5982;&#x4F55;&#x4F7F;&#x7528;
   *
   * {@example core/ts/metadata/metadata.ts region=&apos;component&apos;}
   *
   * @&#x63CF;&#x8FF0;
   * &#x7EC4;&#x4EF6;&#x88C5;&#x9970;&#x5668;&#x5141;&#x8BB8;&#x60A8;&#x5C06;&#x7C7B;&#x6807;&#x8BB0;&#x4E3A;&#x89D2;&#x5EA6;&#x7EC4;&#x4EF6;&#xFF0C;
   * &#x5E76;&#x63D0;&#x4F9B;&#x5176;&#x4ED6;&#x5143;&#x6570;&#x636E;&#xFF0C;&#x4EE5;&#x786E;&#x5B9A;&#x5982;&#x4F55;&#x5728;&#x8FD0;&#x884C;&#x65F6;&#x5904;&#x7406;&#xFF0C;
   * &#x5B9E;&#x4F8B;&#x5316;&#x548C;&#x4F7F;&#x7528;&#x7EC4;&#x4EF6;.
   *
   * &#x7EC4;&#x4EF6;&#x662F;Angular&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x4E2D;UI&#x6700;&#x57FA;&#x672C;&#x7684;&#x6784;&#x5EFA;&#x5757;.
   * Angular&#x5E94;&#x7528;&#x662F;&#x4E00;&#x4E2A;&#x89D2;&#x5EA6;&#x7684;&#x7EC4;&#x4EF6;&#x6811;.
   * Angular&#x7EC4;&#x4EF6;&#x662F;&#x6307;&#x4EE4;&#x7684;&#x4E00;&#x4E2A;&#x5B50;&#x96C6;&#x3002; 
   * &#x4E0E;&#x6307;&#x4EE4;&#x4E0D;&#x540C;&#xFF0C;&#x7EC4;&#x4EF6;&#x59CB;&#x7EC8;&#x5177;&#x6709;&#x6A21;&#x677F;&#xFF0C;
   * &#x5E76;&#x4E14;&#x53EA;&#x80FD;&#x5728;&#x6A21;&#x677F;&#x4E2D;&#x7684;&#x5143;&#x7D20;&#x4E2D;&#x5B9E;&#x4F8B;&#x5316;&#x4E00;&#x4E2A;&#x7EC4;&#x4EF6;.
   *
   * &#x7EC4;&#x4EF6;&#x5FC5;&#x987B;&#x5C5E;&#x4E8E;NgModule&#xFF0C;
   * &#x4EE5;&#x4FBF;&#x5B83;&#x53EF;&#x4EE5;&#x88AB;&#x53E6;&#x4E00;&#x4E2A;&#x7EC4;&#x4EF6;&#x6216;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x4F7F;&#x7528;&#x3002; 
   * &#x8981;&#x6307;&#x5B9A;&#x7EC4;&#x4EF6;&#x662F;NgModule&#x7684;&#x6210;&#x5458;&#xFF0C;
   * &#x5E94;&#x5C06;&#x5176;&#x5217;&#x5728;&#x8BE5;NgModule&#x7684;&#x201C;&#x58F0;&#x660E;&#x201D;&#x5B57;&#x6BB5;&#x4E2D;&#x3002;
   *
   * &#x9664;&#x4E86;&#x901A;&#x8FC7;Component&#x88C5;&#x9970;&#x5668;&#x6307;&#x5B9A;&#x7684;&#x5143;&#x6570;&#x636E;&#x914D;&#x7F6E;&#x4E4B;&#x5916;,
   * &#x7EC4;&#x4EF6;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x5B9E;&#x73B0;&#x5404;&#x79CD;&#x751F;&#x547D;&#x5468;&#x671F;&#x94A9;&#x5B50;&#x6765;&#x63A7;&#x5236;&#x5176;&#x8FD0;&#x884C;&#x65F6;&#x884C;&#x4E3A;.
   *
   * **&#x5143;&#x6570;&#x636E;&#x5C5E;&#x6027;:**
   *
   * * **animations** - &#x8BE5;&#x7EC4;&#x4EF6;&#x7684;&#x52A8;&#x753B;&#x5217;&#x8868;
   * * **changeDetection** - &#x6539;&#x53D8;&#x8BE5;&#x7EC4;&#x4EF6;&#x4F7F;&#x7528;&#x7684;&#x68C0;&#x6D4B;&#x7B56;&#x7565;
   * * **encapsulation** - &#x8BE5;&#x7EC4;&#x4EF6;&#x4F7F;&#x7528;&#x7684;&#x6837;&#x5F0F;&#x5C01;&#x88C5;&#x7B56;&#x7565;
   * * **entryComponents** - &#x52A8;&#x6001;&#x63D2;&#x5165;&#x5230;&#x6B64;&#x7EC4;&#x4EF6;&#x7684;&#x89C6;&#x56FE;&#x4E2D;&#x7684;&#x7EC4;&#x4EF6;&#x5217;&#x8868;
   * * **exportAs** - &#x7EC4;&#x4EF6;&#x5B9E;&#x4F8B;&#x5728;&#x6A21;&#x677F;&#x4E2D;&#x5BFC;&#x51FA;&#x7684;&#x540D;&#x79F0;
   * * **host** - &#x7C7B;&#x5C5E;&#x6027;&#x6620;&#x5C04;&#x5230;&#x4E8B;&#x4EF6;&#xFF0C;&#x5C5E;&#x6027;&#x548C;&#x5C5E;&#x6027;&#x7684;&#x4E3B;&#x673A;&#x5143;&#x7D20;&#x7ED1;&#x5B9A;
   * * **inputs** - &#x5C06;&#x7C7B;&#x5C5E;&#x6027;&#x540D;&#x79F0;&#x5217;&#x8868;&#x4F5C;&#x4E3A;&#x7EC4;&#x4EF6;&#x8F93;&#x5165;&#x7684;&#x6570;&#x636E;&#x7ED1;&#x5B9A;
   * * **interpolation** - &#x6B64;&#x7EC4;&#x4EF6;&#x6A21;&#x677F;&#x4E2D;&#x4F7F;&#x7528;&#x7684;&#x81EA;&#x5B9A;&#x4E49;&#x63D2;&#x503C;&#x6807;&#x8BB0;
   * * **moduleId** - &#x5B9A;&#x4E49;&#x6B64;&#x7EC4;&#x4EF6;&#x7684;&#x6587;&#x4EF6;&#x7684;ES / CommonJS&#x6A21;&#x5757;ID
   * * **outputs** - &#x5217;&#x51FA;&#x5176;&#x4ED6;&#x53EF;&#x4EE5;&#x8BA2;&#x9605;&#x7684;&#x8F93;&#x51FA;&#x4E8B;&#x4EF6;&#x7684;&#x7C7B;&#x5C5E;&#x6027;&#x540D;&#x79F0;
   * * **providers** - &#x8BE5;&#x7EC4;&#x4EF6;&#x53CA;&#x5176;&#x5B50;&#x7EC4;&#x4EF6;&#x53EF;&#x7528;&#x7684;&#x63D0;&#x4F9B;&#x7A0B;&#x5E8F;&#x5217;&#x8868;
   * * **queries** -  &#x914D;&#x7F6E;&#x53EF;&#x4EE5;&#x6CE8;&#x5165;&#x7EC4;&#x4EF6;&#x7684;&#x67E5;&#x8BE2;
   * * **selector** - css&#x9009;&#x62E9;&#x5668;&#xFF0C;&#x7528;&#x4E8E;&#x6807;&#x8BC6;&#x6A21;&#x677F;&#x4E2D;&#x7684;&#x6B64;&#x7EC4;&#x4EF6;
   * * **styleUrls** - &#x8981;&#x5E94;&#x7528;&#x4E8E;&#x6B64;&#x7EC4;&#x4EF6;&#x89C6;&#x56FE;&#x7684;&#x6837;&#x5F0F;&#x8868;&#x7684;URL&#x5217;&#x8868;
   * * **styles** - &#x5185;&#x8054;&#x5B9A;&#x4E49;&#x7684;&#x6837;&#x5F0F;&#x5E94;&#x7528;&#x4E8E;&#x6B64;&#x7EC4;&#x4EF6;&#x7684;&#x89C6;&#x56FE;
   * * **template** - &#x89C6;&#x56FE;&#x7684;&#x5185;&#x8054;&#x5B9A;&#x4E49;&#x6A21;&#x677F;
   * * **templateUrl** - url&#x5230;&#x5305;&#x542B;&#x89C6;&#x56FE;&#x6A21;&#x677F;&#x7684;&#x5916;&#x90E8;&#x6587;&#x4EF6;
   * * **viewProviders** - &#x6B64;&#x7EC4;&#x4EF6;&#x53CA;&#x5176;&#x67E5;&#x770B;&#x5B50;&#x9879;&#x53EF;&#x7528;&#x7684;&#x63D0;&#x4F9B;&#x7A0B;&#x5E8F;&#x5217;&#x8868;
   *
   * ### &#x4F8B;
   *
   * {@example core/ts/metadata/metadata.ts region=&apos;component&apos;}
   *
   * @stable
   * @Annotation
   */</span>
  (obj: Component): TypeDecorator;
  <span class="hljs-comment">/**
   * &#x8BF7;&#x53C2;&#x9605;{@link Component}&#x88C5;&#x9970;&#x5668;&#x3002;
   */</span>
  <span class="hljs-keyword">new</span> (obj: Component): Component;
}
<span class="hljs-comment">/**
 * &#x7EC4;&#x4EF6;&#x5143;&#x6570;&#x636E;&#x7684;&#x7C7B;&#x578B;.
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> Component <span class="hljs-keyword">extends</span> Directive {
  <span class="hljs-comment">/**
   * &#x5B9A;&#x4E49;&#x4F7F;&#x7528;&#x7684;&#x53D8;&#x66F4;&#x68C0;&#x6D4B;&#x7B56;&#x7565;.
   *
   * &#x5F53;&#x4E00;&#x4E2A;&#x7EC4;&#x4EF6;&#x88AB;&#x5B9E;&#x4F8B;&#x5316;&#x65F6;&#xFF0C;Angular&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x53D8;&#x5316;&#x68C0;&#x6D4B;&#x5668;&#xFF0C;
   * &#x5B83;&#x8D1F;&#x8D23;&#x4F20;&#x64AD;&#x7EC4;&#x4EF6;&#x7684;&#x7ED1;&#x5B9A;.
   *
   * `changeDetection`&#x5C5E;&#x6027;&#x5B9A;&#x4E49;&#xFF0C;
   * &#x662F;&#x5426;&#x4F1A;&#x6BCF;&#x6B21;&#x68C0;&#x67E5;&#x66F4;&#x6539;&#x68C0;&#x6D4B;&#xFF0C;&#x6216;&#x4EC5;&#x5F53;&#x7EC4;&#x4EF6;&#x544A;&#x8BC9;&#x5B83;&#x8FDB;&#x884C;&#x68C0;&#x67E5;&#x65F6;.
   */</span>
  changeDetection?: ChangeDetectionStrategy;
  <span class="hljs-comment">/**
   * &#x5B9A;&#x4E49;&#x53EF;&#x89C6;&#x5BF9;&#x8C61;&#x7684;&#x96C6;&#x5408;&#xFF0C;&#x4F7F;&#x5176;DOM DOM&#x5B50;&#x9879;&#x7684;&#x89C6;&#x56FE;&#x53EF;&#x89C1;.
   *
   * ## Simple Example
   *
   * &#x8FD9;&#x662F;&#x4E00;&#x4E2A;&#x53EF;&#x4EE5;&#x6CE8;&#x5165;&#x7684;&#x7C7B;&#x7684;&#x4F8B;&#x5B50;:
   *
   * `.``
   * class Greeter {
     *    greet(name:string) {
     *      return &apos;Hello &apos; + name + &apos;!&apos;;
     *    }
     * }
   *
   * @Directive({
     *   selector: &apos;needs-greeter&apos;
     * })
   * class NeedsGreeter {
     *   greeter:Greeter;
     *
     *   constructor(greeter:Greeter) {
     *     this.greeter = greeter;
     *   }
     * }
   *
   * @Component({
     *   selector: &apos;greet&apos;,
     *   viewProviders: [
     *     Greeter
     *   ],
     *   template: `&lt;needs-greeter&gt;&lt;/needs-greeter&gt;`
     * })
   * class HelloWorld {
     * }
   *
   * `.``
   */</span>
  viewProviders?: Provider[];
  <span class="hljs-comment">/**
   * &#x5305;&#x542B;&#x7EC4;&#x4EF6;&#x7684;&#x6A21;&#x5757;&#x7684;&#x6A21;&#x5757;ID.
   * &#x9700;&#x8981;&#x80FD;&#x591F;&#x89E3;&#x6790;&#x6A21;&#x677F;&#x548C;&#x6837;&#x5F0F;&#x7684;&#x76F8;&#x5BF9;URL.
   * &#x5728;CommonJS&#x4E2D;&#xFF0C;&#x8FD9;&#x53EF;&#x4EE5;&#x59CB;&#x7EC8;&#x8BBE;&#x7F6E;&#x4E3A;`module.id`&#xFF0C;&#x540C;&#x6837;&#x7684;SystemJS&#x5728;&#x6BCF;&#x4E2A;&#x6A21;&#x5757;&#x4E2D;&#x90FD;&#x4F1A;&#x663E;&#x793A;`__moduleName`&#x53D8;&#x91CF;.
   *
   *
   * ## &#x7B80;&#x4F8B;
   *
   * `.``
   * @Directive({
     *   selector: &apos;someDir&apos;,
     *   moduleId: module.id
     * })
   * class SomeDir {
     * }
   *
   * `.``
   */</span>
  moduleId?: <span class="hljs-built_in">string</span>;
  <span class="hljs-comment">/**
   * &#x6307;&#x5B9A;Angular&#x7EC4;&#x4EF6;&#x7684;&#x6A21;&#x677F;URL.
   *
   *&#x6BCF;&#x4E2A;View&#x53EA;&#x80FD;&#x5B9A;&#x4E49;&#x201C;templateUrl&#x201D;&#x6216;&#x201C;template&#x201D;&#x4E4B;&#x4E00;.
   */</span>
  templateUrl?: <span class="hljs-built_in">string</span>;
  <span class="hljs-comment">/**
   * &#x6307;&#x5B9A;Angular&#x7EC4;&#x4EF6;&#x7684;&#x5185;&#x8054;&#x6A21;&#x677F;.
   *
   * &#x6BCF;&#x4E2A;&#x7EC4;&#x4EF6;&#x53EA;&#x80FD;&#x5B9A;&#x4E49;&#x201C;templateUrl&#x201D;&#x6216;&#x201C;template&#x201D;&#x4E4B;&#x4E00;.
   */</span>
  template?: <span class="hljs-built_in">string</span>;
  <span class="hljs-comment">/**
   * &#x6307;&#x5B9A;Angular&#x7EC4;&#x4EF6;&#x7684;&#x6837;&#x5F0F;&#x8868;URL.
   */</span>
  styleUrls?: <span class="hljs-built_in">string</span>[];
  <span class="hljs-comment">/**
   * &#x6307;&#x5B9A;Angular&#x7EC4;&#x4EF6;&#x7684;&#x5185;&#x8054;&#x6837;&#x5F0F;&#x8868;.
   */</span>
  styles?: <span class="hljs-built_in">string</span>[];
  <span class="hljs-comment">/**
   * &#x901A;&#x8FC7;&#x7C7B;&#x4F3C;&#x52A8;&#x753B;&#x7684;DSL&#x5728;&#x7EC4;&#x4EF6;&#x4E0A;&#x5B9A;&#x4E49;&#x52A8;&#x753B;&#x3002; 
   * &#x63CF;&#x8FF0;&#x52A8;&#x753B;&#x7684;&#x8FD9;&#x79CD;DSL&#x65B9;&#x6CD5;&#x5141;&#x8BB8;&#x7075;&#x6D3B;&#x6027;&#xFF0C;
   * &#x8FD9;&#x65E2;&#x6709;&#x76CA;&#x4E8E;&#x5F00;&#x53D1;&#x4EBA;&#x5458;&#x548C;&#x6846;&#x67B6;.
   *
   * &#x901A;&#x8FC7;&#x4FA6;&#x542C;&#x5728;&#x6A21;&#x677F;&#x4E2D;&#x7684;&#x5143;&#x7D20;&#x4E0A;&#x53D1;&#x751F;&#x7684;&#x72B6;&#x6001;&#x66F4;&#x6539;&#x6765;&#x8FDB;&#x884C;&#x52A8;&#x753B;&#x5904;&#x7406;&#x3002; 
   * &#x5F53;&#x53D1;&#x751F;&#x72B6;&#x6001;&#x53D8;&#x5316;&#x65F6;&#xFF0C;&#x89D2;&#x5EA6;&#x53EF;&#x4EE5;&#x5229;&#x7528;&#x5B83;&#x4EEC;&#x4E4B;&#x95F4;&#x7684;&#x5F27;&#x7EBF;&#x5E76;&#x4F7F;&#x5176;&#x52A8;&#x753B;&#x5316;&#x3002; 
   * &#x8FD9;&#x4E0E;CSS&#x8FC7;&#x6E21;&#x7684;&#x5DE5;&#x4F5C;&#x65B9;&#x5F0F;&#x7C7B;&#x4F3C;&#xFF0C;&#x4F46;&#x662F;&#x901A;&#x8FC7;&#x4F7F;&#x7528;&#x7F16;&#x7A0B;&#x5F0F;DSL&#xFF0C;&#x52A8;&#x753B;&#x4E0D;&#x9650;&#x4E8E;DOM&#x7279;&#x5B9A;&#x7684;&#x73AF;&#x5883;.
   * (Angular&#x8FD8;&#x53EF;&#x4EE5;&#x5728;&#x5E55;&#x540E;&#x8FDB;&#x884C;&#x4F18;&#x5316;&#xFF0C;&#x4F7F;&#x52A8;&#x753B;&#x66F4;&#x52A0;&#x51FA;&#x8272;.)
   *
   * &#x4E3A;&#x4E86;&#x4F7F;&#x52A8;&#x753B;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#xFF0C;&#x52A8;&#x753B;&#x72B6;&#x6001;&#x66F4;&#x6539;&#x4F4D;&#x4E8E;{@link&#x89E6;&#x53D1;&#x5668;&#x52A8;&#x753B;&#x89E6;&#x53D1;&#x5668;}&#x4E2D;&#xFF0C;
   * &#x5B83;&#x4EEC;&#x4F4D;&#x4E8E;&#x201C;&#x52A8;&#x753B;&#x201D;&#x6CE8;&#x91CA;&#x5143;&#x6570;&#x636E;&#x7684;&#x5185;&#x90E8;&#x3002; 
   * &#x5728;&#x89E6;&#x53D1;&#x5668;&#x4E2D;&#xFF0C;&#x53EF;&#x4EE5;&#x653E;&#x7F6E;{@link&#x72B6;&#x6001;}&#x548C;{@link&#x8F6C;&#x6362;&#x8F6C;&#x6362;}&#x6761;&#x76EE;.
   *
   * `.``typescript
   * @Component({
     *   selector: &apos;animation-cmp&apos;,
     *   templateUrl: &apos;animation-cmp.html&apos;,
     *   animations: [
     *     // &#x8FD9;&#x662F;&#x6211;&#x4EEC;&#x7684;&#x52A8;&#x753B;&#x89E6;&#x53D1;&#x5668;&#xFF0C;&#x5B83;&#x5C06;&#x5305;&#x542B;&#x6211;&#x4EEC;&#x7684;&#x72B6;&#x6001;&#x53D8;&#x5316;&#x52A8;&#x753B;.
     *     trigger(&apos;myTriggerName&apos;, [
     *       // &#x52A8;&#x753B;&#x5B8C;&#x6210;&#x540E;&#xFF0C;&#x4E3A;&#x5143;&#x7D20;&#x5B9A;&#x4E49;&#x7684;&#x201C;on&#x201D;&#x548C;&#x201C;off&#x201D;&#x72B6;&#x6001;&#x7684;&#x6837;&#x5F0F;&#x5C06;&#x4FDD;&#x7559;&#x5728;&#x5143;&#x7D20;&#x4E0A;.
     *       state(&apos;on&apos;, style({ opacity: 1 }),
     *       state(&apos;off&apos;, style({ opacity: 0 }),
     *
     *       // &#x8FD9;&#x662F;&#x6211;&#x4EEC;&#x7684;&#x52A8;&#x753B;&#xFF0C;&#x5F53;&#x8FD9;&#x4E2A;&#x72B6;&#x6001;&#x53D8;&#x5316;&#x8DF3;&#x8DC3;&#x662F;&#x771F;&#x7684;&#x65F6;&#xFF0C;&#x5B83;&#x5F00;&#x59CB;&#x4E86;
     *       transition(&apos;on =&gt; off&apos;, [
     *         animate(&quot;1s&quot;)
     *       ])
     *     ])
     *   ]
     * })
   * `.``
   *
   * &#x5982;&#x4E0A;&#x9762;&#x7684;&#x4EE3;&#x7801;&#x6240;&#x793A;&#xFF0C;
   * &#x4E00;&#x7EC4;&#x76F8;&#x5173;&#x7684;&#x52A8;&#x753B;&#x72B6;&#x6001;&#x90FD;&#x5305;&#x542B;&#x5728;&#x52A8;&#x753B;&#x201C;&#x89E6;&#x53D1;&#x5668;&#x201D;&#xFF08;&#x4E0A;&#x9762;&#x7684;&#x4EE3;&#x7801;&#x793A;&#x4F8B;&#x79F0;&#x4E3A;&#x89E6;&#x53D1;&#x5668;iggerName&#xFF09;&#x4E2D;&#xFF09;&#x3002; 
   * &#x5F53;&#x89E6;&#x53D1;&#x5668;&#x88AB;&#x521B;&#x5EFA;&#x65F6;&#xFF0C;&#x5B83;&#x53EF;&#x4EE5;&#x88AB;&#x7ED1;&#x5B9A;&#x5230;&#x7EC4;&#x4EF6;&#x6A21;&#x677F;&#x4E2D;&#x7684;&#x4E00;&#x4E2A;&#x5143;&#x7D20;&#x4E0A;&#xFF0C;
   * &#x524D;&#x7F00;&#x662F;&#x4E00;&#x4E2A;&#x524D;&#x7F00;&#x4E3A;&#x201C;@&#x201D;&#x7B26;&#x53F7;&#x7684;&#x5C5E;&#x6027;&#xFF0C;&#x540E;&#x8DDF;&#x89E6;&#x53D1;&#x5668;&#x540D;&#x79F0;&#x548C;&#x7528;&#x4E8E;&#x786E;&#x5B9A;&#x8BE5;&#x89E6;&#x53D1;&#x5668;&#x7684;&#x72B6;&#x6001;&#x503C;&#x7684;&#x8868;&#x8FBE;&#x5F0F;.
   *
   * `.``html
   * &lt;!-- animation-cmp.html --&gt;
   * &lt;div @myTriggerName=&quot;expression&quot;&gt;...&lt;/div&gt;
   * `.``
   *
   * &#x5BF9;&#x4E8E;&#x8981;&#x6267;&#x884C;&#x7684;&#x72B6;&#x6001;&#x66F4;&#x6539;&#xFF0C;&#x201C;expression&#x201D;&#x503C;&#x5FC5;&#x987B;&#x5C06;&#x503C;&#x4ECE;&#x73B0;&#x6709;&#x503C;&#x66F4;&#x6539;&#x4E3A;&#x6211;&#x4EEC;&#x5C06;&#x52A8;&#x753B;&#x8BBE;&#x7F6E;&#x4E3A;&#x52A8;&#x753B;
   * &#xFF08;&#x5728;&#x4E0A;&#x9762;&#x7684;&#x793A;&#x4F8B;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x6B63;&#x5728;&#x76D1;&#x542C;&#x201C;on&#x201D;&#x548C;&#x201C;off&#x201D;&#x4E4B;&#x95F4;&#x7684;&#x72B6;&#x6001;&#x66F4;&#x6539;`&#xFF09;&#x3002; 
   * &#x9644;&#x52A0;&#x5230;&#x89E6;&#x53D1;&#x5668;&#x7684;&#x201C;expression&#x201D;&#x503C;&#x5FC5;&#x987B;&#x662F;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x6A21;&#x677F;/&#x7EC4;&#x4EF6;&#x4E0A;&#x4E0B;&#x6587;&#x6765;&#x8BC4;&#x4F30;&#x7684;&#x503C;.
   *
   * ### DSL&#x52A8;&#x753B;&#x529F;&#x80FD;
   *
   * &#x8BF7;&#x8BBF;&#x95EE;&#x4E0B;&#x9762;&#x5217;&#x51FA;&#x7684;&#x6BCF;&#x4E2A;&#x52A8;&#x753B;DSL&#x529F;&#x80FD;&#xFF0C;&#x4EE5;&#x66F4;&#x597D;&#x5730;&#x4E86;&#x89E3;&#x5982;&#x4F55;&#x4EE5;&#x53CA;&#x4E3A;&#x4EC0;&#x4E48;&#x7528;&#x4E8E;&#x5728;Angular&#x4E2D;&#x5236;&#x4F5C;&#x52A8;&#x753B;:
   *
   * - {@link trigger trigger()}
   * - {@link state state()}
   * - {@link transition transition()}
   * - {@link group group()}
   * - {@link sequence sequence()}
   * - {@link style style()}
   * - {@link animate animate()}
   * - {@link keyframes keyframes()}
   */</span>
  animations?: <span class="hljs-built_in">any</span>[];
  <span class="hljs-comment">/**
   * &#x6307;&#x5B9A;&#x6A21;&#x677F;&#x548C;&#x6837;&#x5F0F;&#x5E94;&#x5982;&#x4F55;&#x5C01;&#x88C5;:
   * - {@link ViewEncapsulation#Native `ViewEncapsulation.Native`} to use shadow roots - &#x4EC5;&#x5728;&#x5E73;&#x53F0;&#x4E0A;&#x53EF;&#x7528;&#x7684;&#x60C5;&#x51B5;&#x4E0B;&#x624D;&#x8D77;&#x4F5C;&#x7528;,
   * - {@link ViewEncapsulation#Emulated `ViewEncapsulation.Emulated`} &#x4F7F;&#x7528;&#x6A21;&#x4EFF;&#x672C;&#x673A;&#x884C;&#x4E3A;&#x7684;shimmed CSS,
   * - {@link ViewEncapsulation#None `ViewEncapsulation.None`} &#x4F7F;&#x7528;&#x5168;&#x5C40;CSS&#x800C;&#x6CA1;&#x6709;&#x4EFB;&#x4F55;&#x5C01;&#x88C5;.
   *
   * &#x5F53;&#x6CA1;&#x6709;&#x4E3A;&#x7EC4;&#x4EF6;&#x5B9A;&#x4E49;&#x201C;&#x5C01;&#x88C5;&#x201D;&#x65F6;&#xFF0C;&#x5C06;&#x4F7F;&#x7528;{@link CompilerOptions}&#x4E2D;&#x7684;&#x9ED8;&#x8BA4;&#x503C;&#x3002; &#x9ED8;&#x8BA4;&#x4E3A;&#x201C;ViewEncapsulation.Emulated&#x201D;}&#x3002; &#x63D0;&#x4F9B;&#x4E00;&#x4E2A;&#x65B0;&#x7684;`CompilerOptions`&#x6765;&#x8986;&#x76D6;&#x8FD9;&#x4E2A;&#x503C;.
   *
   * &#x5982;&#x679C;&#x5C01;&#x88C5;&#x8BBE;&#x7F6E;&#x4E3A;&#x201C;ViewEncapsulation.Emulated&#x201D;&#xFF0C;&#x5E76;&#x4E14;&#x7EC4;&#x4EF6;&#x6CA1;&#x6709;&#x201C;&#x6837;&#x5F0F;&#x201D;&#x548C;&#x201C;styleUrls&#x201D;&#xFF0C;&#x5C01;&#x88C5;&#x5C06;&#x81EA;&#x52A8;&#x5207;&#x6362;&#x5230;&#x201C;ViewEncapsulation.None&#x201D;.
   */</span>
  encapsulation?: ViewEncapsulation;
  <span class="hljs-comment">/**
   * &#x8986;&#x76D6;&#x9ED8;&#x8BA4;&#x7684;&#x5C01;&#x88C5;&#x5F00;&#x59CB;&#x548C;&#x7ED3;&#x675F;&#x5206;&#x9694;&#x7B26;&#xFF08;&#x5206;&#x522B;&#x4E3A;{{`&#x548C;`}}`&#xFF09;
   */</span>
  interpolation?: [<span class="hljs-built_in">string</span>, <span class="hljs-built_in">string</span>];
  <span class="hljs-comment">/**
   * &#x5B9A;&#x4E49;&#x6B64;&#x7EC4;&#x4EF6;&#x65F6;&#xFF0C;&#x8FD8;&#x8981;&#x5B9A;&#x4E49;&#x5E94;&#x7F16;&#x8BD1;&#x7684;&#x7EC4;&#x4EF6;&#x3002; &#x5BF9;&#x4E8E;&#x6B64;&#x5904;&#x5217;&#x51FA;&#x7684;&#x6BCF;&#x4E2A;&#x7EC4;&#x4EF6;&#xFF0C;Angular&#x5C06;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;{@link ComponentFactory}&#x5E76;&#x5C06;&#x5176;&#x5B58;&#x50A8;&#x5728;{@link ComponentFactoryResolver}.
   */</span>
  entryComponents?: <span class="hljs-built_in">Array</span>&lt;Type&lt;<span class="hljs-built_in">any</span>&gt; | <span class="hljs-built_in">any</span>[]&gt;;
}
<span class="hljs-comment">/**
 * &#x7EC4;&#x4EF6;&#x88C5;&#x9970;&#x5668;&#x548C;&#x5143;&#x6570;&#x636E;.
 *
 * @stable
 * @Annotation
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">declare</span> <span class="hljs-keyword">const</span> Component: ComponentDecorator;
<span class="hljs-comment">/**
 * &#x7BA1;&#x9053;&#x88C5;&#x9970;&#x5668;/&#x6784;&#x9020;&#x51FD;&#x6570;&#x7684;&#x7C7B;&#x578B;.
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> PipeDecorator {
  <span class="hljs-comment">/**
   * &#x58F0;&#x660E;&#x53EF;&#x91CD;&#x590D;&#x4F7F;&#x7528;&#x7684;&#x7BA1;&#x9053;&#x529F;&#x80FD;.
   *
   * &#x53EA;&#x6709;&#x5F53;&#x8F93;&#x5165;&#x6216;&#x4EFB;&#x4F55;&#x53C2;&#x6570;&#x53D1;&#x751F;&#x53D8;&#x5316;&#x65F6;&#xFF0C;&#x624D;&#x4F1A;&#x91CD;&#x65B0;&#x8BC4;&#x4F30;&#x201C;&#x7EAF;&#x201D;&#x7BA1;&#x9053;.
   *
   * &#x5F53;&#x672A;&#x6307;&#x5B9A;&#x65F6;&#xFF0C;&#x7BA1;&#x9053;&#x9ED8;&#x8BA4;&#x4E3A;&#x7EAF;.
   */</span>
  (obj: Pipe): TypeDecorator;
  <span class="hljs-comment">/**
   * &#x8BF7;&#x53C2;&#x9605;{@link Pipe}&#x88C5;&#x9970;&#x5668;.
   */</span>
  <span class="hljs-keyword">new</span> (obj: Pipe): Pipe;
}
<span class="hljs-comment">/**
 * &#x7BA1;&#x9053;&#x5143;&#x6570;&#x636E;&#x7684;&#x7C7B;&#x578B;.
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> Pipe {
  name: <span class="hljs-built_in">string</span>;
  pure?: <span class="hljs-built_in">boolean</span>;
}
<span class="hljs-comment">/**
 * &#x7BA1;&#x9053;&#x88C5;&#x9970;&#x5668;&#x548C;&#x5143;&#x6570;&#x636E;.
 *
 * @stable
 * @Annotation
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">declare</span> <span class="hljs-keyword">const</span> Pipe: PipeDecorator;
<span class="hljs-comment">/**
 * &#x8F93;&#x5165;&#x88C5;&#x9970;&#x5668;/&#x6784;&#x9020;&#x51FD;&#x6570;&#x7684;&#x7C7B;&#x578B;.
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> InputDecorator {
  <span class="hljs-comment">/**
   * &#x58F0;&#x660E;&#x6570;&#x636E;&#x7ED1;&#x5B9A;&#x8F93;&#x5165;&#x5C5E;&#x6027;.
   *
   * Angular.
   *
   * `Input`&#x63A5;&#x53D7;&#x4E00;&#x4E2A;&#x53EF;&#x9009;&#x53C2;&#x6570;&#xFF0C;&#x6307;&#x5B9A;&#x5728;&#x6A21;&#x677F;&#x4E2D;&#x5B9E;&#x4F8B;&#x5316;&#x7EC4;&#x4EF6;&#x65F6;&#x4F7F;&#x7528;&#x7684;&#x540D;&#x79F0;&#x3002; &#x672A;&#x63D0;&#x4F9B;&#x65F6;&#xFF0C;&#x5C06;&#x4F7F;&#x7528;&#x88C5;&#x9970;&#x5C5E;&#x6027;&#x7684;&#x540D;&#x79F0;.
   *
   * ### Example
   *
   * &#x4EE5;&#x4E0B;&#x793A;&#x4F8B;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x5177;&#x6709;&#x4E24;&#x4E2A;&#x8F93;&#x5165;&#x5C5E;&#x6027;&#x7684;&#x7EC4;&#x4EF6;.
   *
   * `.``typescript
   * @Component({
     *   selector: &apos;bank-account&apos;,
     *   template: `
     *     Bank Name: {{bankName}}
     *     Account Id: {{id}}
     *   `
     * })
   * class BankAccount {
   *   @Input() bankName: string;
   *   @Input(&apos;account-id&apos;) id: string;
   *
   *   // &#x6B64;&#x5C5E;&#x6027;&#x672A;&#x7ED1;&#x5B9A;&#xFF0C;&#x4E0D;&#x4F1A;&#x88AB;Angular&#x81EA;&#x52A8;&#x66F4;&#x65B0;
   *   normalizedBankName: string;
   * }
   *
   * @Component({
     *   selector: &apos;app&apos;,
     *   template: `
     *     &lt;bank-account bank-name=&quot;RBC&quot; account-id=&quot;4747&quot;&gt;&lt;/bank-account&gt;
     *   `
     * })
   *
   * class App {}
   * `.``
   * @stable
   */</span>
  (bindingPropertyName?: <span class="hljs-built_in">string</span>): <span class="hljs-built_in">any</span>;
  <span class="hljs-keyword">new</span> (bindingPropertyName?: <span class="hljs-built_in">string</span>): <span class="hljs-built_in">any</span>;
}
<span class="hljs-comment">/**
 * &#x8F93;&#x5165;&#x5143;&#x6570;&#x636E;&#x7684;&#x7C7B;&#x578B;.
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> Input {
  <span class="hljs-comment">/**
   * &#x5728;&#x6A21;&#x677F;&#x4E2D;&#x5B9E;&#x4F8B;&#x5316;&#x7EC4;&#x4EF6;&#x65F6;&#x4F7F;&#x7528;&#x7684;&#x540D;&#x79F0;.
   */</span>
  bindingPropertyName?: <span class="hljs-built_in">string</span>;
}
<span class="hljs-comment">/**
 * &#x8F93;&#x5165;&#x88C5;&#x9970;&#x5668;&#x548C;&#x5143;&#x6570;&#x636E;.
 *
 * @stable
 * @Annotation
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">declare</span> <span class="hljs-keyword">const</span> Input: InputDecorator;
<span class="hljs-comment">/**
 * &#x8F93;&#x51FA;&#x88C5;&#x9970;&#x5668;/&#x6784;&#x9020;&#x51FD;&#x6570;&#x7684;&#x7C7B;&#x578B;.
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> OutputDecorator {
  <span class="hljs-comment">/**
   * &#x58F0;&#x660E;&#x4E00;&#x4E2A;&#x4E8B;&#x4EF6;&#x7ED1;&#x5B9A;&#x7684;&#x8F93;&#x51FA;&#x5C5E;&#x6027;.
   *
   * &#x5F53;&#x8F93;&#x51FA;&#x5C5E;&#x6027;&#x53D1;&#x51FA;&#x4E00;&#x4E2A;&#x4E8B;&#x4EF6;&#x65F6;&#xFF0C;&#x9644;&#x52A0;&#x5230;&#x8BE5;&#x4E8B;&#x4EF6;&#x7684;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x7A0B;&#x5E8F;&#x8C03;&#x7528;&#x8BE5;&#x6A21;&#x677F;.
   *
   * `Output`&#x91C7;&#x7528;&#x4E00;&#x4E2A;&#x53EF;&#x9009;&#x53C2;&#x6570;&#xFF0C;&#x6307;&#x5B9A;&#x5728;&#x6A21;&#x677F;&#x4E2D;&#x5B9E;&#x4F8B;&#x5316;&#x7EC4;&#x4EF6;&#x65F6;&#x4F7F;&#x7528;&#x7684;&#x540D;&#x79F0;&#x3002; 
   * &#x672A;&#x63D0;&#x4F9B;&#x65F6;&#xFF0C;&#x5C06;&#x4F7F;&#x7528;&#x88C5;&#x9970;&#x5C5E;&#x6027;&#x7684;&#x540D;&#x79F0;.
   *
   * ### &#x4F8B;
   *
   * `.``typescript
   * @Directive({
     *   selector: &apos;interval-dir&apos;,
     * })
   * class IntervalDir {
   *   @Output() everySecond = new EventEmitter();
   *   @Output(&apos;everyFiveSeconds&apos;) five5Secs = new EventEmitter();
   *
   *   constructor() {
     *     setInterval(() =&gt; this.everySecond.emit(&quot;event&quot;), 1000);
     *     setInterval(() =&gt; this.five5Secs.emit(&quot;event&quot;), 5000);
     *   }
   * }
   *
   * @Component({
     *   selector: &apos;app&apos;,
     *   template: `
     *     &lt;interval-dir (everySecond)=&quot;everySecond()&quot; (everyFiveSeconds)=&quot;everyFiveSeconds()&quot;&gt;
     *     &lt;/interval-dir&gt;
     *   `
     * })
   * class App {
     *   everySecond() { console.log(&apos;second&apos;); }
     *   everyFiveSeconds() { console.log(&apos;five seconds&apos;); }
     * }
   * `.``
   * @stable
   */</span>
  (bindingPropertyName?: <span class="hljs-built_in">string</span>): <span class="hljs-built_in">any</span>;
  <span class="hljs-keyword">new</span> (bindingPropertyName?: <span class="hljs-built_in">string</span>): <span class="hljs-built_in">any</span>;
}
<span class="hljs-comment">/**
 * &#x8F93;&#x51FA;&#x5143;&#x6570;&#x636E;&#x7684;&#x7C7B;&#x578B;.
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> Output {
  bindingPropertyName?: <span class="hljs-built_in">string</span>;
}
<span class="hljs-comment">/**
 * &#x8F93;&#x51FA;&#x88C5;&#x9970;&#x5668;&#x548C;&#x5143;&#x6570;&#x636E;.
 *
 * @stable
 * @Annotation
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">declare</span> <span class="hljs-keyword">const</span> Output: OutputDecorator;
<span class="hljs-comment">/**
 * HostBinding&#x88C5;&#x9970;&#x5668;/&#x6784;&#x9020;&#x51FD;&#x6570;&#x7684;&#x7C7B;&#x578B;.
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> HostBindingDecorator {
  <span class="hljs-comment">/**
   * &#x58F0;&#x660E;&#x4E3B;&#x673A;&#x5C5E;&#x6027;&#x7ED1;&#x5B9A;.
   *
   * &#x5728;&#x66F4;&#x6539;&#x68C0;&#x6D4B;&#x671F;&#x95F4;&#xFF0C;Angular&#x4F1A;&#x81EA;&#x52A8;&#x68C0;&#x67E5;&#x4E3B;&#x673A;&#x5C5E;&#x6027;&#x7ED1;&#x5B9A;.
   * &#x5982;&#x679C;&#x7ED1;&#x5B9A;&#x66F4;&#x6539;&#xFF0C;&#x5B83;&#x5C06;&#x66F4;&#x65B0;&#x6307;&#x4EE4;&#x7684;&#x4E3B;&#x673A;&#x5143;&#x7D20;.
   *
   * `HostBinding`&#x63A5;&#x53D7;&#x4E00;&#x4E2A;&#x53EF;&#x9009;&#x53C2;&#x6570;&#xFF0C;
   * &#x6307;&#x5B9A;&#x8981;&#x66F4;&#x65B0;&#x7684;&#x4E3B;&#x673A;&#x5143;&#x7D20;&#x7684;&#x5C5E;&#x6027;&#x540D;&#x79F0;&#x3002; 
   * &#x672A;&#x63D0;&#x4F9B;&#x65F6;&#xFF0C;&#x4F7F;&#x7528;&#x7C7B;&#x5C5E;&#x6027;&#x540D;&#x79F0;.
   *
   * ### &#x4F8B;
   *
   * &#x4EE5;&#x4E0B;&#x793A;&#x4F8B;&#x521B;&#x5EFA;&#x4E86;&#x4E00;&#x4E2A;&#x5728;DOM&#x5143;&#x7D20;&#x4E0A;&#x8BBE;&#x7F6E;&#x201C;valid&#x201D;&#x548C;&#x201C;invalid&#x201D;&#x7C7B;&#x7684;&#x6307;&#x4EE4;&#xFF0C;&#x8BE5;&#x5143;&#x7D20;&#x5177;&#x6709;ngModel&#x4F2A;&#x6307;&#x4EE4;.
   *
   * `.``typescript
   * @Directive({selector: &apos;[ngModel]&apos;})
   * class NgModelStatus {
     *   constructor(public control:NgModel) {}
   *   @HostBinding(&apos;class.valid&apos;) get valid() { return this.control.valid; }
   *   @HostBinding(&apos;class.invalid&apos;) get invalid() { return this.control.invalid; }
   * }
   *
   * @Component({
     *   selector: &apos;app&apos;,
     *   template: `&lt;input [(ngModel)]=&quot;prop&quot;&gt;`,
     * })
   * class App {
     *   prop;
     * }
   * `.``
   * @stable
   */</span>
  (hostPropertyName?: <span class="hljs-built_in">string</span>): <span class="hljs-built_in">any</span>;
  <span class="hljs-keyword">new</span> (hostPropertyName?: <span class="hljs-built_in">string</span>): <span class="hljs-built_in">any</span>;
}
<span class="hljs-comment">/**
 * HostBinding&#x5143;&#x6570;&#x636E;&#x7684;&#x7C7B;&#x578B;.
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> HostBinding {
  hostPropertyName?: <span class="hljs-built_in">string</span>;
}
<span class="hljs-comment">/**
 * HostBinding&#x88C5;&#x9970;&#x5668;&#x548C;&#x5143;&#x6570;&#x636E;.
 *
 * @stable
 * @Annotation
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">declare</span> <span class="hljs-keyword">const</span> HostBinding: HostBindingDecorator;
<span class="hljs-comment">/**
 * HostListener&#x88C5;&#x9970;&#x5668;/&#x6784;&#x9020;&#x51FD;&#x6570;&#x7684;&#x7C7B;&#x578B;.
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> HostListenerDecorator {
  <span class="hljs-comment">/**
   * &#x58F0;&#x660E;&#x4E3B;&#x673A;&#x4FA6;&#x542C;&#x5668;.
   *
   * &#x5F53;&#x4E3B;&#x673A;&#x5143;&#x7D20;&#x53D1;&#x51FA;&#x6307;&#x5B9A;&#x7684;&#x4E8B;&#x4EF6;&#x65F6;&#xFF0C;Angular&#x5C06;&#x8C03;&#x7528;&#x88C5;&#x9970;&#x7684;&#x65B9;&#x6CD5;.
   *
   * &#x5982;&#x679C;&#x88C5;&#x9970;&#x65B9;&#x6CD5;&#x8FD4;&#x56DE;`false`&#xFF0C;&#x90A3;&#x4E48;`preventDefault`&#x5E94;&#x7528;&#x4E8E;DOM&#x4E8B;&#x4EF6;.
   *
   * ### Example
   *
   * &#x4EE5;&#x4E0B;&#x793A;&#x4F8B;&#x58F0;&#x660E;&#x5C06;&#x70B9;&#x51FB;&#x76D1;&#x542C;&#x5668;&#x9644;&#x52A0;&#x5230;&#x6309;&#x94AE;&#x5E76;&#x8BA1;&#x6570;&#x70B9;&#x51FB;&#x7684;&#x6307;&#x4EE4;.
   *
   * `.``typescript
   * @Directive({selector: &apos;button[counting]&apos;})
   * class CountClicks {
     *   numberOfClicks = 0;
     *
   *   @HostListener(&apos;click&apos;, [&apos;$event.target&apos;])
   *   onClick(btn) {
     *     console.log(&apos;button&apos;, btn, &apos;number of clicks:&apos;, this.numberOfClicks++);
     *   }
   * }
   *
   * @Component({
     *   selector: &apos;app&apos;,
     *   template: &apos;&lt;button counting&gt;Increment&lt;/button&gt;&apos;,
     * })
   * class App {}
   * `.``
   * @stable
   * @Annotation
   */</span>
  (eventName: <span class="hljs-built_in">string</span>, args?: <span class="hljs-built_in">string</span>[]): <span class="hljs-built_in">any</span>;
  <span class="hljs-keyword">new</span> (eventName: <span class="hljs-built_in">string</span>, args?: <span class="hljs-built_in">string</span>[]): <span class="hljs-built_in">any</span>;
}
<span class="hljs-comment">/**
 * HostListener&#x5143;&#x6570;&#x636E;&#x7684;&#x7C7B;&#x578B;.
 *
 * @stable
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">interface</span> HostListener {
  eventName?: <span class="hljs-built_in">string</span>;
  args?: <span class="hljs-built_in">string</span>[];
}
<span class="hljs-comment">/**
 * HostListener&#x88C5;&#x9970;&#x5668;&#x548C;&#x5143;&#x6570;&#x636E;.
 *
 * @stable
 * @Annotation
 */</span>
<span class="hljs-keyword">export</span> <span class="hljs-keyword">declare</span> <span class="hljs-keyword">const</span> HostListener: HostListenerDecorator;
</code></pre>

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