Getting build error unable to import provide from @angular/core RC6

I created an app.config.ts file in which I create application config variables. For, this I import OpaqueToken and provide. It was working fine till RC5 but after updating to RC6 I am unable to import provide from @angular/core

import { OpaqueToken, provide } from '@angular/core';

export const APP_CONFIG = new OpaqueToken('config');

const dictionary = {
    apiUrl: 'dummy/api',
};

export const APPCONFIG_PROVIDERS = [
    provide(APP_CONFIG, { useValue: dictionary })
]

Build Error:

Severity Code Error TS2305 Module ‘“/node_modules/@angular/core/index”’ has no exported member ‘provide’.

[neilhem]

Looks like it was deprecated in RC.5 & fully removed in RC.6

@NgModule({
  declarations: [
    AppComponent,
  ],
  imports: [...],
  providers: [
    appRoutingProviders,
    {provide: LOCALE_ID, useValue: 'en-GB'},
    {provide: APP_CONFIG, useValue: dictionary},
  ],
})

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