dealing with circular dependencies with ngUpgrade and modules

app.module.ts

import { NgModule, forwardRef }      from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule, NgModel }   from '@angular/forms';
import { HttpModule } from '@angular/http';
import { UpgradeAdapter } from '@angular/upgrade';
import { NameParser } from './admin/nameParser';
import { ProfileComponent } from './profile/profile.component';
import { Location, LocationStrategy, HashLocationStrategy, PlatformLocation } from '@angular/common';

export const upgradeAdapter = new UpgradeAdapter(forwardRef(() => AppModule));
@NgModule({
  imports: [
    BrowserModule,
    FormsModule,
    HttpModule
  ],
  declarations: [
    ProfileComponent
  ],
  providers: [
    NameParser,
    Location,
    {provide: LocationStrategy, useClass: HashLocationStrategy}
  ]
})
export class AppModule { }