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    /**
     * This file includes polyfills needed by Angular and is loaded before the app.
     * You can add your own extra polyfills to this file.
     *
     * This file is divided into 2 sections:
     *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
     *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
     *      file.
     *
     * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
     * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
     * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
     *
     * Learn more in https://angular.io/guide/browser-support
     */
    
    /***************************************************************************************************
     * BROWSER POLYFILLS
     */
    
    /**
     * IE11 requires the following for NgClass support on SVG elements
     */
    // import 'classlist.js';  // Run `npm install --save classlist.js`.
    
    /**
     * Web Animations `@angular/platform-browser/animations`
     * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
     * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
     */
    // import 'web-animations-js';  // Run `npm install --save web-animations-js`.
    
    /**
     * By default, zone.js will patch all possible macroTask and DomEvents
     * user can disable parts of macroTask/DomEvents patch by setting following flags
     * because those flags need to be set before `zone.js` being loaded, and webpack
     * will put import in the top of bundle, so user need to create a separate file
     * in this directory (for example: zone-flags.ts), and put the following flags
     * into that file, and then add the following code before importing zone.js.
     * import './zone-flags';
     *
     * The flags allowed in zone-flags.ts are listed here.
     *
     * The following flags will work for all browsers.
     *
     * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
     * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
     * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
     *
     *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
     *  with the following flag, it will bypass `zone.js` patch for IE/Edge
     *
     *  (window as any).__Zone_enable_cross_context_check = true;
     *
     */
    
    /***************************************************************************************************
     * Zone JS is required by default for Angular itself.
     */
    import 'zone.js';  // Included with Angular CLI.
    
    
    /***************************************************************************************************
     * APPLICATION IMPORTS
     */