import { NgModule } from '@angular/core'; import { CommonModule } from '@angular/common'; import { MatButtonModule } from '@angular/material/button'; import { MatBadgeModule } from '@angular/material/badge'; import { CounterButtonComponent } from './counter-button/counter-button.component'; @NgModule({ imports: [CommonModule, MatBadgeModule, MatButtonModule], declarations: [CounterButtonComponent], exports: [CounterButtonComponent] }) export class MyLibModule {}