angular-tutorials/angular-tour-of-heroes/src/app/app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';

import { FormsModule } from '@angular/forms'; // <-- NgModel lives here

import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { HeroesComponent } from './heroes/heroes.component';

@NgModule({
  declarations: [AppComponent],
  imports: [HeroesComponent, BrowserModule, AppRoutingModule, FormsModule],
  providers: [],
  bootstrap: [AppComponent],
})
export class AppModule {}