angular2-highcharts: Map module loading

import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { NgModule, Component }    from '@angular/core';
import { BrowserModule }          from '@angular/platform-browser';
import { ChartModule }            from 'angular2-highcharts'; 

@Component({
    selector: 'my-app',
    styles: [`
      chart {
        display: block;
      }
    `],
    template: `<chart [options]="options"></chart>`
})
class AppComponent {
    constructor() { 
        this.options = {

            chart: {
        polar: true,
        type: 'line'
    },

    title: {
        text: 'Budget vs spending',
        x: -80
    },

    pane: {
        size: window.innerWidth * .80
    },

    xAxis: {
        categories: ['Sales', 'Marketing', 'Development', 'Customer Support',
                'Information Technology', 'Administration'],
        tickmarkPlacement: 'on',
        lineWidth: 0
    },

    yAxis: {
        gridLineInterpolation: 'polygon',
        lineWidth: 0,
        min: 0
    },

    tooltip: {
        shared: true,
        pointFormat: '<span style="color:{series.color}">{series.name}: <b>${point.y:,.0f}</b><br/>'
    },

    legend: {
        align: 'right',
        verticalAlign: 'top',
        y: 70,
        layout: 'vertical'
    },

    series: [{
        name: 'Allocated Budget',
        data: [43000, 19000, 60000, 35000, 17000, 10000],
        pointPlacement: 'on'
    }, {
        name: 'Actual Spending',
        data: [50000, 39000, 42000, 31000, 26000, 14000],
        pointPlacement: 'on'
    }]
        
        
        
         };
    };
    options: Object;
}

@NgModule({
  imports: [
    BrowserModule, 
    ChartModule.forRoot(
      require('highcharts'),
      require('highcharts/modules/exporting'),
      require('highcharts/highcharts-more'),
    )
  ],
  declarations: [AppComponent],
  bootstrap:    [AppComponent]
})
class AppModule { }


platformBrowserDynamic().bootstrapModule(AppModule);

<!DOCTYPE html>
<html>
  <head>
    <title>Angular QuickStart</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">

    <!-- 1. Load libraries -->
     <!-- Polyfill(s) for older browsers -->
    <script src="https://unpkg.com/core-js/client/shim.min.js"></script>

    <script src="https://unpkg.com/zone.js@0.6.25?main=browser"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3"></script>
    <script src="https://unpkg.com/systemjs@0.19.27/dist/system.src.js"></script>

    <!-- 2. Configure SystemJS -->
    <script src="https://rawgit.com/gevgeny/angular2-highcharts/master/examples/system.config.web.js"></script>
    <script>
      System.import('app').catch(function(err){ console.error(err); });
    </script>
  </head>

  <!-- 3. Display the application -->
  <body>
    <my-app>Loading...</my-app>
  </body>
</html>


<!-- 
Copyright 2016 Google Inc. All Rights Reserved.
Use of this source code is governed by an MIT-style license that
can be found in the LICENSE file at http://angular.io/license
-->