constructor(
    private devTools: DevToolsExtension,
    private ngRedux: NgRedux<IAppState>,
    private ngReduxRouter: NgReduxRouter,
    private actions: SessionActions,
    private sessionEpics: SessionEpics,
    private listEpics: ListEpics) {

    const enh = (__DEV__ && devTools.isEnabled()) ?
      [ ... enhancers, devTools.enhancer({
        deserializeState: reimmutify,
      }) ] :
      enhancers;

// I don't know how to get this to work so I put a call to it in the action. 
// That is more explicit, I think too which I've heard recommended.
//    middleware.push(createEpicMiddleware(this.listEpics.saveAll));
    middleware.push(createEpicMiddleware(
                      combineEpics(this.sessionEpics.login, 
                                    this.listEpics.saveAll
                                   )
                                   ));

    ngRedux.configureStore(rootReducer, {}, middleware, enhancers);
    ngReduxRouter.initialize();
  }

 constructor(
   ngRedux: NgRedux<RootState>,
   ngReduxRouter: NgReduxRouter
 ) {
   ngRedux.configureStore(
       reducer,
       { counter: 0 },
       [ createLogger() ],
       enhancers
   );
   ngReduxRouter.initialize();
 }

  constructor(
    private devTools: DevToolsExtension,
    private ngRedux: NgRedux<IAppState>,
    private ngReduxRouter: NgReduxRouter,
    private actions: SessionActions,
    private epics: SessionEpics) {

    const enh = (__DEV__ && devTools.isEnabled()) ?
      [ ... enhancers, devTools.enhancer({
        deserializeState: reimmutify,
      }) ] :
      enhancers;

    middleware.push(createEpicMiddleware(this.epics.login));
    ngRedux.configureStore(rootReducer, {}, middleware, enhancers);
    ngReduxRouter.initialize();
  }