docs: replace class hero to interface wherever class properties not used (#34022)

Fixes #21186

PR Close #34022

aio/content/examples/animations/src/app/hero.ts

@@ -1,4 +1,4 @@
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/architecture/e2e/src/app.e2e-spec.ts

@@ -4,7 +4,7 @@ import { protractor, browser, element, by, ElementFinder } from 'protractor';
 
 const nameSuffix = 'X';
 
-class Hero {
+interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/component-interaction/src/app/hero.ts

@@ -1,4 +1,4 @@
-export class Hero {
+export interface Hero {
   name: string;
 }
 

aio/content/examples/dependency-injection/src/app/heroes/hero.ts

@@ -1,6 +1,6 @@
 // #docregion
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
-  isSecret = false;
+  isSecret: boolean;
 }

aio/content/examples/docs-style-guide/src/app/hero.ts

@@ -1,4 +1,4 @@
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/hierarchical-dependency-injection/src/app/hero.ts

@@ -1,6 +1,6 @@
 // #docregion
 
-export class Hero {
+export interface Hero {
   id:   number;
   name: string;
   tid:  string; // tax id

aio/content/examples/ngcontainer/src/app/hero.ts

@@ -1,5 +1,5 @@
 // #docregion
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
   emotion?: string;

aio/content/examples/router/src/app/heroes/hero.ts

@@ -1,4 +1,4 @@
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/structural-directives/src/app/hero.ts

@@ -1,5 +1,5 @@
 // #docregion
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
   emotion?: string;

aio/content/examples/styleguide/src/01-01/app/heroes/hero.component.avoid.ts

@@ -4,7 +4,7 @@ import { Component, NgModule, OnInit } from '@angular/core';
 import { BrowserModule } from '@angular/platform-browser';
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 
-class Hero {
+interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/styleguide/src/01-01/app/heroes/shared/hero.model.ts

@@ -1,5 +1,5 @@
 // #docregion
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/styleguide/src/03-03/app/core/hero.model.ts

@@ -1,6 +1,6 @@
 // #docregion
 // #docregion example
-export class Hero {
+export interface Hero {
   name: string;
   power: string;
 }

aio/content/examples/styleguide/src/03-06/app/heroes/shared/hero.model.ts

@@ -1,6 +1,6 @@
 // #docregion
 // #docregion example
-export class Hero {
+export interface Hero {
   name: string;
   power: string;
 }

aio/content/examples/styleguide/src/05-04/app/heroes/shared/hero.model.ts

@@ -1,5 +1,5 @@
 // #docregion
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/styleguide/src/05-15/app/heroes/shared/hero.model.ts

@@ -1,5 +1,5 @@
 // #docregion
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/styleguide/src/05-17/app/heroes/shared/hero.model.ts

@@ -1,5 +1,5 @@
 // #docregion
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/styleguide/src/07-01/app/heroes/shared/hero.model.ts

@@ -1,5 +1,5 @@
 // #docregion
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/styleguide/src/07-03/app/heroes/shared/hero.model.ts

@@ -1,5 +1,5 @@
 // #docregion
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/styleguide/src/07-04/app/heroes/shared/hero.model.ts

@@ -1,5 +1,5 @@
 // #docregion
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/testing/src/app/demo/demo.ts

@@ -11,7 +11,7 @@ import { delay } from 'rxjs/operators';
 
 ////////// The App: Services and Components for the tests. //////////////
 
-export class Hero {
+export interface Hero {
   name: string;
 }
 

aio/content/examples/toh-pt1/src/app/hero.ts

@@ -1,4 +1,4 @@
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/toh-pt2/src/app/hero.ts

@@ -1,4 +1,4 @@
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/toh-pt3/src/app/hero.ts

@@ -1,5 +1,5 @@
 // #docregion
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/toh-pt4/src/app/hero.ts

@@ -1,4 +1,4 @@
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/toh-pt5/src/app/hero.ts

@@ -1,4 +1,4 @@
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/toh-pt6/src/app/hero.ts

@@ -1,4 +1,4 @@
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }

aio/content/examples/universal/src/app/hero.ts

@@ -1,4 +1,4 @@
-export class Hero {
+export interface Hero {
   id: number;
   name: string;
 }