How to use the angularx-social-login.LinkedInLoginProvider.PROVIDER_ID function in angularx-social-login

import { SocialLoginModule } from 'angularx-social-login';
import { AuthServiceConfig, GoogleLoginProvider, FacebookLoginProvider, LinkedInLoginProvider  } from 'angularx-social-login';


const config = new AuthServiceConfig([
  {
    id: GoogleLoginProvider.PROVIDER_ID,
    provider: new GoogleLoginProvider('624796833023-clhjgupm0pu6vgga7k5i5bsfp6qp6egh.apps.googleusercontent.com')
  },
  {
    id: FacebookLoginProvider.PROVIDER_ID,
    provider: new FacebookLoginProvider('561602290896109')
  },
  {
    id: LinkedInLoginProvider.PROVIDER_ID,
    provider: new LinkedInLoginProvider('78iqy5cu2e1fgr')
  }
]);

export function provideConfig() {
  return config;
}

@NgModule({
  declarations: [
    AppComponent,
    NavbarComponent,
    DemoComponent
  ],
  imports: [
    BrowserModule,