text: /**
   * @license Angular v8.2.9
   * (c) 2010-2019 Google LLC. https://angular.io/
   * License: MIT
   */
  
  import { getDebugNode, RendererFactory2, InjectionToken, ɵstringify, ɵReflectionCapabilities, Directive, Component, Pipe, NgModule, ɵgetInjectableDef, ɵNG_COMPONENT_DEF, ɵRender3NgModuleRef, LOCALE_ID, ɵDEFAULT_LOCALE_ID, ɵsetLocaleId, ApplicationInitStatus, ɵRender3ComponentFactory, ɵcompileComponent, ɵNG_DIRECTIVE_DEF, ɵcompileDirective, ɵNG_PIPE_DEF, ɵcompilePipe, ɵtransitiveScopesFor, ɵpatchComponentDefWithScope, ɵNG_INJECTOR_DEF, ɵNG_MODULE_DEF, ɵcompileNgModuleDefs, NgZone, Compiler, COMPILER_OPTIONS, ɵNgModuleFactory, ModuleWithComponentFactories, Injector, InjectFlags, ɵresetCompiledComponents, ɵflushModuleScopingQueueAsMuchAsPossible, Injectable, ɵclearOverrides, ɵoverrideComponentView, ɵAPP_ROOT, Optional, SkipSelf, ɵoverrideProvider, ɵivyEnabled } from '@angular/core';
  import { __awaiter } from 'tslib';
  import { ResourceLoader } from '@angular/compiler';
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * @license
   * Copyright 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 https://angular.io/license
   */
  /** @type {?} */
  const _global = (/** @type {?} */ ((typeof window === 'undefined' ? global : window)));
  /**
   * Wraps a test function in an asynchronous test zone. The test will automatically
   * complete when all asynchronous calls within this zone are done. Can be used
   * to wrap an {\@link inject} call.
   *
   * Example:
   *
   * ```
   * it('...', async(inject([AClass], (object) => {
   *   object.doSomething.then(() => {
   *     expect(...);
   *   })
   * });
   * ```
   *
   *
   * @param {?} fn
   * @return {?}
   */
  function asyncFallback(fn) {
      // If we're running using the Jasmine test framework, adapt to call the 'done'
      // function when asynchronous activity is finished.
      if (_global.jasmine) {
          // Not using an arrow function to preserve context passed from call site
          return (/**
           * @this {?}
           * @param {?} done
           * @return {?}
           */
          function (done) {
              if (!done) {
                  // if we run beforeEach in @angular/core/testing/testing_internal then we get no done
                  // fake it here and assume sync.
                  done = (/**
                   * @return {?}
                   */
                  function () { });
                  done.fail = (/**
                   * @param {?} e
                   * @return {?}
                   */
                  function (e) { throw e; });
              }
              runInTestZone(fn, this, done, (/**
               * @param {?} err
               * @return {?}
               */
              (err) => {
                  if (typeof err === 'string') {
                      return done.fail(new Error((/** @type {?} */ (err))));
                  }
                  else {
                      done.fail(err);
                  }
              }));
          });
      }
      // Otherwise, return a promise which will resolve when asynchronous activity
      // is finished. This will be correctly consumed by the Mocha framework with
      // it('...', async(myFn)); or can be used in a custom framework.
      // Not using an arrow function to preserve context passed from call site
      return (/**
       * @this {?}
       * @return {?}
       */
      function () {
          return new Promise((/**
           * @param {?} finishCallback
           * @param {?} failCallback
           * @return {?}
           */
          (finishCallback, failCallback) => {
              runInTestZone(fn, this, finishCallback, failCallback);
          }));
      });
  }
  /**
   * @param {?} fn
   * @param {?} context
   * @param {?} finishCallback
   * @param {?} failCallback
   * @return {?}
   */
  function runInTestZone(fn, context, finishCallback, failCallback) {
      /** @type {?} */
      const currentZone = Zone.current;
      /** @type {?} */
      const AsyncTestZoneSpec = ((/** @type {?} */ (Zone)))['AsyncTestZoneSpec'];
      if (AsyncTestZoneSpec === undefined) {
          throw new Error('AsyncTestZoneSpec is needed for the async() test helper but could not be found. ' +
              'Please make sure that your environment includes zone.js/dist/async-test.js');
      }
      /** @type {?} */
      const ProxyZoneSpec = (/** @type {?} */ (((/** @type {?} */ (Zone)))['ProxyZoneSpec']));
      if (ProxyZoneSpec === undefined) {
          throw new Error('ProxyZoneSpec is needed for the async() test helper but could not be found. ' +
              'Please make sure that your environment includes zone.js/dist/proxy.js');
      }
      /** @type {?} */
      const proxyZoneSpec = ProxyZoneSpec.get();
      ProxyZoneSpec.assertPresent();
      // We need to create the AsyncTestZoneSpec outside the ProxyZone.
      // If we do it in ProxyZone then we will get to infinite recursion.
      /** @type {?} */
      const proxyZone = Zone.current.getZoneWith('ProxyZoneSpec');
      /** @type {?} */
      const previousDelegate = proxyZoneSpec.getDelegate();
      (/** @type {?} */ ((/** @type {?} */ (proxyZone)).parent)).run((/**
       * @return {?}
       */
      () => {
          /** @type {?} */
          const testZoneSpec = new AsyncTestZoneSpec((/**
           * @return {?}
           */
          () => {
              // Need to restore the original zone.
              currentZone.run((/**
               * @return {?}
               */
              () => {
                  if (proxyZoneSpec.getDelegate() == testZoneSpec) {
                      // Only reset the zone spec if it's sill this one. Otherwise, assume it's OK.
                      proxyZoneSpec.setDelegate(previousDelegate);
                  }
                  finishCallback();
              }));
          }), (/**
           * @param {?} error
           * @return {?}
           */
          (error) => {
              // Need to restore the original zone.
              currentZone.run((/**
               * @return {?}
               */
              () => {
                  if (proxyZoneSpec.getDelegate() == testZoneSpec) {
                      // Only reset the zone spec if it's sill this one. Otherwise, assume it's OK.
                      proxyZoneSpec.setDelegate(previousDelegate);
                  }
                  failCallback(error);
              }));
          }), 'test');
          proxyZoneSpec.setDelegate(testZoneSpec);
      }));
      return Zone.current.runGuarded(fn, context);
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Wraps a test function in an asynchronous test zone. The test will automatically
   * complete when all asynchronous calls within this zone are done. Can be used
   * to wrap an {\@link inject} call.
   *
   * Example:
   *
   * ```
   * it('...', async(inject([AClass], (object) => {
   *   object.doSomething.then(() => {
   *     expect(...);
   *   })
   * });
   * ```
   *
   * \@publicApi
   * @param {?} fn
   * @return {?}
   */
  function async(fn) {
      /** @type {?} */
      const _Zone = typeof Zone !== 'undefined' ? Zone : null;
      if (!_Zone) {
          return (/**
           * @return {?}
           */
          function () {
              return Promise.reject('Zone is needed for the async() test helper but could not be found. ' +
                  'Please make sure that your environment includes zone.js/dist/zone.js');
          });
      }
      /** @type {?} */
      const asyncTest = _Zone && _Zone[_Zone.__symbol__('asyncTest')];
      if (typeof asyncTest === 'function') {
          return asyncTest(fn);
      }
      // not using new version of zone.js
      // TODO @JiaLiPassion, remove this after all library updated to
      // newest version of zone.js(0.8.25)
      return asyncFallback(fn);
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Fixture for debugging and testing a component.
   *
   * \@publicApi
   * @template T
   */
  class ComponentFixture {
      /**
       * @param {?} componentRef
       * @param {?} ngZone
       * @param {?} _autoDetect
       */
      constructor(componentRef, ngZone, _autoDetect) {
          this.componentRef = componentRef;
          this.ngZone = ngZone;
          this._autoDetect = _autoDetect;
          this._isStable = true;
          this._isDestroyed = false;
          this._resolve = null;
          this._promise = null;
          this._onUnstableSubscription = null;
          this._onStableSubscription = null;
          this._onMicrotaskEmptySubscription = null;
          this._onErrorSubscription = null;
          this.changeDetectorRef = componentRef.changeDetectorRef;
          this.elementRef = componentRef.location;
          this.debugElement = (/** @type {?} */ (getDebugNode(this.elementRef.nativeElement)));
          this.componentInstance = componentRef.instance;
          this.nativeElement = this.elementRef.nativeElement;
          this.componentRef = componentRef;
          this.ngZone = ngZone;
          if (ngZone) {
              // Create subscriptions outside the NgZone so that the callbacks run oustide
              // of NgZone.
              ngZone.runOutsideAngular((/**
               * @return {?}
               */
              () => {
                  this._onUnstableSubscription =
                      ngZone.onUnstable.subscribe({ next: (/**
                           * @return {?}
                           */
                          () => { this._isStable = false; }) });
                  this._onMicrotaskEmptySubscription = ngZone.onMicrotaskEmpty.subscribe({
                      next: (/**
                       * @return {?}
                       */
                      () => {
                          if (this._autoDetect) {
                              // Do a change detection run with checkNoChanges set to true to check
                              // there are no changes on the second run.
                              this.detectChanges(true);
                          }
                      })
                  });
                  this._onStableSubscription = ngZone.onStable.subscribe({
                      next: (/**
                       * @return {?}
                       */
                      () => {
                          this._isStable = true;
                          // Check whether there is a pending whenStable() completer to resolve.
                          if (this._promise !== null) {
                              // If so check whether there are no pending macrotasks before resolving.
                              // Do this check in the next tick so that ngZone gets a chance to update the state of
                              // pending macrotasks.
                              scheduleMicroTask((/**
                               * @return {?}
                               */
                              () => {
                                  if (!ngZone.hasPendingMacrotasks) {
                                      if (this._promise !== null) {
                                          (/** @type {?} */ (this._resolve))(true);
                                          this._resolve = null;
                                          this._promise = null;
                                      }
                                  }
                              }));
                          }
                      })
                  });
                  this._onErrorSubscription =
                      ngZone.onError.subscribe({ next: (/**
                           * @param {?} error
                           * @return {?}
                           */
                          (error) => { throw error; }) });
              }));
          }
      }
      /**
       * @private
       * @param {?} checkNoChanges
       * @return {?}
       */
      _tick(checkNoChanges) {
          this.changeDetectorRef.detectChanges();
          if (checkNoChanges) {
              this.checkNoChanges();
          }
      }
      /**
       * Trigger a change detection cycle for the component.
       * @param {?=} checkNoChanges
       * @return {?}
       */
      detectChanges(checkNoChanges = true) {
          if (this.ngZone != null) {
              // Run the change detection inside the NgZone so that any async tasks as part of the change
              // detection are captured by the zone and can be waited for in isStable.
              this.ngZone.run((/**
               * @return {?}
               */
              () => { this._tick(checkNoChanges); }));
          }
          else {
              // Running without zone. Just do the change detection.
              this._tick(checkNoChanges);
          }
      }
      /**
       * Do a change detection run to make sure there were no changes.
       * @return {?}
       */
      checkNoChanges() { this.changeDetectorRef.checkNoChanges(); }
      /**
       * Set whether the fixture should autodetect changes.
       *
       * Also runs detectChanges once so that any existing change is detected.
       * @param {?=} autoDetect
       * @return {?}
       */
      autoDetectChanges(autoDetect = true) {
          if (this.ngZone == null) {
              throw new Error('Cannot call autoDetectChanges when ComponentFixtureNoNgZone is set');
          }
          this._autoDetect = autoDetect;
          this.detectChanges();
      }
      /**
       * Return whether the fixture is currently stable or has async tasks that have not been completed
       * yet.
       * @return {?}
       */
      isStable() { return this._isStable && !(/** @type {?} */ (this.ngZone)).hasPendingMacrotasks; }
      /**
       * Get a promise that resolves when the fixture is stable.
       *
       * This can be used to resume testing after events have triggered asynchronous activity or
       * asynchronous change detection.
       * @return {?}
       */
      whenStable() {
          if (this.isStable()) {
              return Promise.resolve(false);
          }
          else if (this._promise !== null) {
              return this._promise;
          }
          else {
              this._promise = new Promise((/**
               * @param {?} res
               * @return {?}
               */
              res => { this._resolve = res; }));
              return this._promise;
          }
      }
      /**
       * @private
       * @return {?}
       */
      _getRenderer() {
          if (this._renderer === undefined) {
              this._renderer = this.componentRef.injector.get(RendererFactory2, null);
          }
          return (/** @type {?} */ (this._renderer));
      }
      /**
       * Get a promise that resolves when the ui state is stable following animations.
       * @return {?}
       */
      whenRenderingDone() {
          /** @type {?} */
          const renderer = this._getRenderer();
          if (renderer && renderer.whenRenderingDone) {
              return renderer.whenRenderingDone();
          }
          return this.whenStable();
      }
      /**
       * Trigger component destruction.
       * @return {?}
       */
      destroy() {
          if (!this._isDestroyed) {
              this.componentRef.destroy();
              if (this._onUnstableSubscription != null) {
                  this._onUnstableSubscription.unsubscribe();
                  this._onUnstableSubscription = null;
              }
              if (this._onStableSubscription != null) {
                  this._onStableSubscription.unsubscribe();
                  this._onStableSubscription = null;
              }
              if (this._onMicrotaskEmptySubscription != null) {
                  this._onMicrotaskEmptySubscription.unsubscribe();
                  this._onMicrotaskEmptySubscription = null;
              }
              if (this._onErrorSubscription != null) {
                  this._onErrorSubscription.unsubscribe();
                  this._onErrorSubscription = null;
              }
              this._isDestroyed = true;
          }
      }
  }
  if (false) {
      /**
       * The DebugElement associated with the root element of this component.
       * @type {?}
       */
      ComponentFixture.prototype.debugElement;
      /**
       * The instance of the root component class.
       * @type {?}
       */
      ComponentFixture.prototype.componentInstance;
      /**
       * The native element at the root of the component.
       * @type {?}
       */
      ComponentFixture.prototype.nativeElement;
      /**
       * The ElementRef for the element at the root of the component.
       * @type {?}
       */
      ComponentFixture.prototype.elementRef;
      /**
       * The ChangeDetectorRef for the component
       * @type {?}
       */
      ComponentFixture.prototype.changeDetectorRef;
      /**
       * @type {?}
       * @private
       */
      ComponentFixture.prototype._renderer;
      /**
       * @type {?}
       * @private
       */
      ComponentFixture.prototype._isStable;
      /**
       * @type {?}
       * @private
       */
      ComponentFixture.prototype._isDestroyed;
      /**
       * @type {?}
       * @private
       */
      ComponentFixture.prototype._resolve;
      /**
       * @type {?}
       * @private
       */
      ComponentFixture.prototype._promise;
      /**
       * @type {?}
       * @private
       */
      ComponentFixture.prototype._onUnstableSubscription;
      /**
       * @type {?}
       * @private
       */
      ComponentFixture.prototype._onStableSubscription;
      /**
       * @type {?}
       * @private
       */
      ComponentFixture.prototype._onMicrotaskEmptySubscription;
      /**
       * @type {?}
       * @private
       */
      ComponentFixture.prototype._onErrorSubscription;
      /** @type {?} */
      ComponentFixture.prototype.componentRef;
      /** @type {?} */
      ComponentFixture.prototype.ngZone;
      /**
       * @type {?}
       * @private
       */
      ComponentFixture.prototype._autoDetect;
  }
  /**
   * @param {?} fn
   * @return {?}
   */
  function scheduleMicroTask(fn) {
      Zone.current.scheduleMicroTask('scheduleMicrotask', fn);
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * @license
   * Copyright 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 https://angular.io/license
   */
  /**
   * fakeAsync has been moved to zone.js
   * this file is for fallback in case old version of zone.js is used
   * @type {?}
   */
  const _Zone = typeof Zone !== 'undefined' ? Zone : null;
  /** @type {?} */
  const FakeAsyncTestZoneSpec = _Zone && _Zone['FakeAsyncTestZoneSpec'];
  /** @type {?} */
  const ProxyZoneSpec = _Zone && _Zone['ProxyZoneSpec'];
  /** @type {?} */
  let _fakeAsyncTestZoneSpec = null;
  /**
   * Clears out the shared fake async zone for a test.
   * To be called in a global `beforeEach`.
   *
   * \@publicApi
   * @return {?}
   */
  function resetFakeAsyncZoneFallback() {
      _fakeAsyncTestZoneSpec = null;
      // in node.js testing we may not have ProxyZoneSpec in which case there is nothing to reset.
      ProxyZoneSpec && ProxyZoneSpec.assertPresent().resetDelegate();
  }
  /** @type {?} */
  let _inFakeAsyncCall = false;
  /**
   * Wraps a function to be executed in the fakeAsync zone:
   * - microtasks are manually executed by calling `flushMicrotasks()`,
   * - timers are synchronous, `tick()` simulates the asynchronous passage of time.
   *
   * If there are any pending timers at the end of the function, an exception will be thrown.
   *
   * Can be used to wrap inject() calls.
   *
   * \@usageNotes
   * ### Example
   *
   * {\@example core/testing/ts/fake_async.ts region='basic'}
   *
   * \@publicApi
   * @param {?} fn
   * @return {?} The function wrapped to be executed in the fakeAsync zone
   *
   */
  function fakeAsyncFallback(fn) {
      // Not using an arrow function to preserve context passed from call site
      return (/**
       * @this {?}
       * @param {...?} args
       * @return {?}
       */
      function (...args) {
          /** @type {?} */
          const proxyZoneSpec = ProxyZoneSpec.assertPresent();
          if (_inFakeAsyncCall) {
              throw new Error('fakeAsync() calls can not be nested');
          }
          _inFakeAsyncCall = true;
          try {
              if (!_fakeAsyncTestZoneSpec) {
                  if (proxyZoneSpec.getDelegate() instanceof FakeAsyncTestZoneSpec) {
                      throw new Error('fakeAsync() calls can not be nested');
                  }
                  _fakeAsyncTestZoneSpec = new FakeAsyncTestZoneSpec();
              }
              /** @type {?} */
              let res;
              /** @type {?} */
              const lastProxyZoneSpec = proxyZoneSpec.getDelegate();
              proxyZoneSpec.setDelegate(_fakeAsyncTestZoneSpec);
              try {
                  res = fn.apply(this, args);
                  flushMicrotasksFallback();
              }
              finally {
                  proxyZoneSpec.setDelegate(lastProxyZoneSpec);
              }
              if (_fakeAsyncTestZoneSpec.pendingPeriodicTimers.length > 0) {
                  throw new Error(`${_fakeAsyncTestZoneSpec.pendingPeriodicTimers.length} ` +
                      `periodic timer(s) still in the queue.`);
              }
              if (_fakeAsyncTestZoneSpec.pendingTimers.length > 0) {
                  throw new Error(`${_fakeAsyncTestZoneSpec.pendingTimers.length} timer(s) still in the queue.`);
              }
              return res;
          }
          finally {
              _inFakeAsyncCall = false;
              resetFakeAsyncZoneFallback();
          }
      });
  }
  /**
   * @return {?}
   */
  function _getFakeAsyncZoneSpec() {
      if (_fakeAsyncTestZoneSpec == null) {
          throw new Error('The code should be running in the fakeAsync zone to call this function');
      }
      return _fakeAsyncTestZoneSpec;
  }
  /**
   * Simulates the asynchronous passage of time for the timers in the fakeAsync zone.
   *
   * The microtasks queue is drained at the very start of this function and after any timer callback
   * has been executed.
   *
   * \@usageNotes
   * ### Example
   *
   * {\@example core/testing/ts/fake_async.ts region='basic'}
   *
   * \@publicApi
   * @param {?=} millis
   * @return {?}
   */
  function tickFallback(millis = 0) {
      _getFakeAsyncZoneSpec().tick(millis);
  }
  /**
   * Simulates the asynchronous passage of time for the timers in the fakeAsync zone by
   * draining the macrotask queue until it is empty. The returned value is the milliseconds
   * of time that would have been elapsed.
   *
   * \@publicApi
   * @param {?=} maxTurns
   * @return {?} The simulated time elapsed, in millis.
   *
   */
  function flushFallback(maxTurns) {
      return _getFakeAsyncZoneSpec().flush(maxTurns);
  }
  /**
   * Discard all remaining periodic tasks.
   *
   * \@publicApi
   * @return {?}
   */
  function discardPeriodicTasksFallback() {
      /** @type {?} */
      const zoneSpec = _getFakeAsyncZoneSpec();
      zoneSpec.pendingPeriodicTimers.length = 0;
  }
  /**
   * Flush any pending microtasks.
   *
   * \@publicApi
   * @return {?}
   */
  function flushMicrotasksFallback() {
      _getFakeAsyncZoneSpec().flushMicrotasks();
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /** @type {?} */
  const _Zone$1 = typeof Zone !== 'undefined' ? Zone : null;
  /** @type {?} */
  const fakeAsyncTestModule = _Zone$1 && _Zone$1[_Zone$1.__symbol__('fakeAsyncTest')];
  /**
   * Clears out the shared fake async zone for a test.
   * To be called in a global `beforeEach`.
   *
   * \@publicApi
   * @return {?}
   */
  function resetFakeAsyncZone() {
      if (fakeAsyncTestModule) {
          return fakeAsyncTestModule.resetFakeAsyncZone();
      }
      else {
          return resetFakeAsyncZoneFallback();
      }
  }
  /**
   * Wraps a function to be executed in the fakeAsync zone:
   * - microtasks are manually executed by calling `flushMicrotasks()`,
   * - timers are synchronous, `tick()` simulates the asynchronous passage of time.
   *
   * If there are any pending timers at the end of the function, an exception will be thrown.
   *
   * Can be used to wrap inject() calls.
   *
   * \@usageNotes
   * ### Example
   *
   * {\@example core/testing/ts/fake_async.ts region='basic'}
   *
   * \@publicApi
   * @param {?} fn
   * @return {?} The function wrapped to be executed in the fakeAsync zone
   *
   */
  function fakeAsync(fn) {
      if (fakeAsyncTestModule) {
          return fakeAsyncTestModule.fakeAsync(fn);
      }
      else {
          return fakeAsyncFallback(fn);
      }
  }
  /**
   * Simulates the asynchronous passage of time for the timers in the fakeAsync zone.
   *
   * The microtasks queue is drained at the very start of this function and after any timer callback
   * has been executed.
   *
   * \@usageNotes
   * ### Example
   *
   * {\@example core/testing/ts/fake_async.ts region='basic'}
   *
   * \@publicApi
   * @param {?=} millis
   * @return {?}
   */
  function tick(millis = 0) {
      if (fakeAsyncTestModule) {
          return fakeAsyncTestModule.tick(millis);
      }
      else {
          return tickFallback(millis);
      }
  }
  /**
   * Simulates the asynchronous passage of time for the timers in the fakeAsync zone by
   * draining the macrotask queue until it is empty. The returned value is the milliseconds
   * of time that would have been elapsed.
   *
   * \@publicApi
   * @param {?=} maxTurns
   * @return {?} The simulated time elapsed, in millis.
   *
   */
  function flush(maxTurns) {
      if (fakeAsyncTestModule) {
          return fakeAsyncTestModule.flush(maxTurns);
      }
      else {
          return flushFallback(maxTurns);
      }
  }
  /**
   * Discard all remaining periodic tasks.
   *
   * \@publicApi
   * @return {?}
   */
  function discardPeriodicTasks() {
      if (fakeAsyncTestModule) {
          return fakeAsyncTestModule.discardPeriodicTasks();
      }
      else {
          discardPeriodicTasksFallback();
      }
  }
  /**
   * Flush any pending microtasks.
   *
   * \@publicApi
   * @return {?}
   */
  function flushMicrotasks() {
      if (fakeAsyncTestModule) {
          return fakeAsyncTestModule.flushMicrotasks();
      }
      else {
          return flushMicrotasksFallback();
      }
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * @license
   * Copyright 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 https://angular.io/license
   */
  /**
   * Injectable completer that allows signaling completion of an asynchronous test. Used internally.
   */
  class AsyncTestCompleter {
      constructor() {
          this._promise = new Promise((/**
           * @param {?} res
           * @param {?} rej
           * @return {?}
           */
          (res, rej) => {
              this._resolve = res;
              this._reject = rej;
          }));
      }
      /**
       * @param {?=} value
       * @return {?}
       */
      done(value) { this._resolve(value); }
      /**
       * @param {?=} error
       * @param {?=} stackTrace
       * @return {?}
       */
      fail(error, stackTrace) { this._reject(error); }
      /**
       * @return {?}
       */
      get promise() { return this._promise; }
  }
  if (false) {
      /**
       * @type {?}
       * @private
       */
      AsyncTestCompleter.prototype._resolve;
      /**
       * @type {?}
       * @private
       */
      AsyncTestCompleter.prototype._reject;
      /**
       * @type {?}
       * @private
       */
      AsyncTestCompleter.prototype._promise;
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * An abstract class for inserting the root test component element in a platform independent way.
   *
   * \@publicApi
   */
  class TestComponentRenderer {
      /**
       * @param {?} rootElementId
       * @return {?}
       */
      insertRootElement(rootElementId) { }
  }
  /**
   * \@publicApi
   * @type {?}
   */
  const ComponentFixtureAutoDetect = new InjectionToken('ComponentFixtureAutoDetect');
  /**
   * \@publicApi
   * @type {?}
   */
  const ComponentFixtureNoNgZone = new InjectionToken('ComponentFixtureNoNgZone');
  /**
   * Static methods implemented by the `TestBedViewEngine` and `TestBedRender3`
   *
   * \@publicApi
   * @record
   */
  function TestBedStatic() { }
  if (false) {
      /* Skipping unhandled member: new (...args: any[]): TestBed;*/
      /**
       * @param {?} ngModule
       * @param {?} platform
       * @param {?=} aotSummaries
       * @return {?}
       */
      TestBedStatic.prototype.initTestEnvironment = function (ngModule, platform, aotSummaries) { };
      /**
       * Reset the providers for the test injector.
       * @return {?}
       */
      TestBedStatic.prototype.resetTestEnvironment = function () { };
      /**
       * @return {?}
       */
      TestBedStatic.prototype.resetTestingModule = function () { };
      /**
       * Allows overriding default compiler providers and settings
       * which are defined in test_injector.js
       * @param {?} config
       * @return {?}
       */
      TestBedStatic.prototype.configureCompiler = function (config) { };
      /**
       * Allows overriding default providers, directives, pipes, modules of the test injector,
       * which are defined in test_injector.js
       * @param {?} moduleDef
       * @return {?}
       */
      TestBedStatic.prototype.configureTestingModule = function (moduleDef) { };
      /**
       * Compile components with a `templateUrl` for the test's NgModule.
       * It is necessary to call this function
       * as fetching urls is asynchronous.
       * @return {?}
       */
      TestBedStatic.prototype.compileComponents = function () { };
      /**
       * @param {?} ngModule
       * @param {?} override
       * @return {?}
       */
      TestBedStatic.prototype.overrideModule = function (ngModule, override) { };
      /**
       * @param {?} component
       * @param {?} override
       * @return {?}
       */
      TestBedStatic.prototype.overrideComponent = function (component, override) { };
      /**
       * @param {?} directive
       * @param {?} override
       * @return {?}
       */
      TestBedStatic.prototype.overrideDirective = function (directive, override) { };
      /**
       * @param {?} pipe
       * @param {?} override
       * @return {?}
       */
      TestBedStatic.prototype.overridePipe = function (pipe, override) { };
      /**
       * @param {?} component
       * @param {?} template
       * @return {?}
       */
      TestBedStatic.prototype.overrideTemplate = function (component, template) { };
      /**
       * Overrides the template of the given component, compiling the template
       * in the context of the TestingModule.
       *
       * Note: This works for JIT and AOTed components as well.
       * @param {?} component
       * @param {?} template
       * @return {?}
       */
      TestBedStatic.prototype.overrideTemplateUsingTestingModule = function (component, template) { };
      /**
       * Overwrites all providers for the given token with the given provider definition.
       *
       * Note: This works for JIT and AOTed components as well.
       * @param {?} token
       * @param {?} provider
       * @return {?}
       */
      TestBedStatic.prototype.overrideProvider = function (token, provider) { };
      /**
       * @param {?} token
       * @param {?} provider
       * @return {?}
       */
      TestBedStatic.prototype.overrideProvider = function (token, provider) { };
      /**
       * @param {?} token
       * @param {?} provider
       * @return {?}
       */
      TestBedStatic.prototype.overrideProvider = function (token, provider) { };
      /**
       * @template T
       * @param {?} token
       * @param {?=} notFoundValue
       * @param {?=} flags
       * @return {?}
       */
      TestBedStatic.prototype.get = function (token, notFoundValue, flags) { };
      /**
       * deprecated from v8.0.0 use Type<T> or InjectionToken<T>
       * This does not use the deprecated jsdoc tag on purpose
       * because it renders all overloads as deprecated in TSLint
       * due to https://github.com/palantir/tslint/issues/4522.
       * @param {?} token
       * @param {?=} notFoundValue
       * @return {?}
       */
      TestBedStatic.prototype.get = function (token, notFoundValue) { };
      /**
       * @template T
       * @param {?} component
       * @return {?}
       */
      TestBedStatic.prototype.createComponent = function (component) { };
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * @license
   * Copyright 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 https://angular.io/license
   */
  /**
   * Used to resolve resource URLs on `\@Component` when used with JIT compilation.
   *
   * Example:
   * ```
   * \@Component({
   *   selector: 'my-comp',
   *   templateUrl: 'my-comp.html', // This requires asynchronous resolution
   * })
   * class MyComponent{
   * }
   *
   * // Calling `renderComponent` will fail because `renderComponent` is a synchronous process
   * // and `MyComponent`'s `\@Component.templateUrl` needs to be resolved asynchronously.
   *
   * // Calling `resolveComponentResources()` will resolve `\@Component.templateUrl` into
   * // `\@Component.template`, which allows `renderComponent` to proceed in a synchronous manner.
   *
   * // Use browser's `fetch()` function as the default resource resolution strategy.
   * resolveComponentResources(fetch).then(() => {
   *   // After resolution all URLs have been converted into `template` strings.
   *   renderComponent(MyComponent);
   * });
   *
   * ```
   *
   * NOTE: In AOT the resolution happens during compilation, and so there should be no need
   * to call this method outside JIT mode.
   *
   * @param {?} resourceResolver a function which is responsible for returning a `Promise` to the
   * contents of the resolved URL. Browser's `fetch()` method is a good default implementation.
   * @return {?}
   */
  function resolveComponentResources(resourceResolver) {
      // Store all promises which are fetching the resources.
      /** @type {?} */
      const componentResolved = [];
      // Cache so that we don't fetch the same resource more than once.
      /** @type {?} */
      const urlMap = new Map();
      /**
       * @param {?} url
       * @return {?}
       */
      function cachedResourceResolve(url) {
          /** @type {?} */
          let promise = urlMap.get(url);
          if (!promise) {
              /** @type {?} */
              const resp = resourceResolver(url);
              urlMap.set(url, promise = resp.then(unwrapResponse));
          }
          return promise;
      }
      componentResourceResolutionQueue.forEach((/**
       * @param {?} component
       * @param {?} type
       * @return {?}
       */
      (component, type) => {
          /** @type {?} */
          const promises = [];
          if (component.templateUrl) {
              promises.push(cachedResourceResolve(component.templateUrl).then((/**
               * @param {?} template
               * @return {?}
               */
              (template) => {
                  component.template = template;
              })));
          }
          /** @type {?} */
          const styleUrls = component.styleUrls;
          /** @type {?} */
          const styles = component.styles || (component.styles = []);
          /** @type {?} */
          const styleOffset = component.styles.length;
          styleUrls && styleUrls.forEach((/**
           * @param {?} styleUrl
           * @param {?} index
           * @return {?}
           */
          (styleUrl, index) => {
              styles.push(''); // pre-allocate array.
              promises.push(cachedResourceResolve(styleUrl).then((/**
               * @param {?} style
               * @return {?}
               */
              (style) => {
                  styles[styleOffset + index] = style;
                  styleUrls.splice(styleUrls.indexOf(styleUrl), 1);
                  if (styleUrls.length == 0) {
                      component.styleUrls = undefined;
                  }
              })));
          }));
          /** @type {?} */
          const fullyResolved = Promise.all(promises).then((/**
           * @return {?}
           */
          () => componentDefResolved(type)));
          componentResolved.push(fullyResolved);
      }));
      clearResolutionOfComponentResourcesQueue();
      return Promise.all(componentResolved).then((/**
       * @return {?}
       */
      () => undefined));
  }
  /** @type {?} */
  let componentResourceResolutionQueue = new Map();
  // Track when existing ngComponentDef for a Type is waiting on resources.
  /** @type {?} */
  const componentDefPendingResolution = new Set();
  /**
   * @param {?} type
   * @param {?} metadata
   * @return {?}
   */
  function maybeQueueResolutionOfComponentResources(type, metadata) {
      if (componentNeedsResolution(metadata)) {
          componentResourceResolutionQueue.set(type, metadata);
          componentDefPendingResolution.add(type);
      }
  }
  /**
   * @param {?} type
   * @return {?}
   */
  function isComponentDefPendingResolution(type) {
      return componentDefPendingResolution.has(type);
  }
  /**
   * @param {?} component
   * @return {?}
   */
  function componentNeedsResolution(component) {
      return !!((component.templateUrl && !component.hasOwnProperty('template')) ||
          component.styleUrls && component.styleUrls.length);
  }
  /**
   * @return {?}
   */
  function clearResolutionOfComponentResourcesQueue() {
      /** @type {?} */
      const old = componentResourceResolutionQueue;
      componentResourceResolutionQueue = new Map();
      return old;
  }
  /**
   * @param {?} queue
   * @return {?}
   */
  function restoreComponentResolutionQueue(queue) {
      componentDefPendingResolution.clear();
      queue.forEach((/**
       * @param {?} _
       * @param {?} type
       * @return {?}
       */
      (_, type) => componentDefPendingResolution.add(type)));
      componentResourceResolutionQueue = queue;
  }
  /**
   * @return {?}
   */
  function isComponentResourceResolutionQueueEmpty() {
      return componentResourceResolutionQueue.size === 0;
  }
  /**
   * @param {?} response
   * @return {?}
   */
  function unwrapResponse(response) {
      return typeof response == 'string' ? response : response.text();
  }
  /**
   * @param {?} type
   * @return {?}
   */
  function componentDefResolved(type) {
      componentDefPendingResolution.delete(type);
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /** @type {?} */
  let _nextReferenceId = 0;
  class MetadataOverrider {
      constructor() {
          this._references = new Map();
      }
      /**
       * Creates a new instance for the given metadata class
       * based on an old instance and overrides.
       * @template C, T
       * @param {?} metadataClass
       * @param {?} oldMetadata
       * @param {?} override
       * @return {?}
       */
      overrideMetadata(metadataClass, oldMetadata, override) {
          /** @type {?} */
          const props = {};
          if (oldMetadata) {
              _valueProps(oldMetadata).forEach((/**
               * @param {?} prop
               * @return {?}
               */
              (prop) => props[prop] = ((/** @type {?} */ (oldMetadata)))[prop]));
          }
          if (override.set) {
              if (override.remove || override.add) {
                  throw new Error(`Cannot set and add/remove ${ɵstringify(metadataClass)} at the same time!`);
              }
              setMetadata(props, override.set);
          }
          if (override.remove) {
              removeMetadata(props, override.remove, this._references);
          }
          if (override.add) {
              addMetadata(props, override.add);
          }
          return new metadataClass((/** @type {?} */ (props)));
      }
  }
  if (false) {
      /**
       * @type {?}
       * @private
       */
      MetadataOverrider.prototype._references;
  }
  /**
   * @param {?} metadata
   * @param {?} remove
   * @param {?} references
   * @return {?}
   */
  function removeMetadata(metadata, remove, references) {
      /** @type {?} */
      const removeObjects = new Set();
      for (const prop in remove) {
          /** @type {?} */
          const removeValue = remove[prop];
          if (removeValue instanceof Array) {
              removeValue.forEach((/**
               * @param {?} value
               * @return {?}
               */
              (value) => { removeObjects.add(_propHashKey(prop, value, references)); }));
          }
          else {
              removeObjects.add(_propHashKey(prop, removeValue, references));
          }
      }
      for (const prop in metadata) {
          /** @type {?} */
          const propValue = metadata[prop];
          if (propValue instanceof Array) {
              metadata[prop] = propValue.filter((/**
               * @param {?} value
               * @return {?}
               */
              (value) => !removeObjects.has(_propHashKey(prop, value, references))));
          }
          else {
              if (removeObjects.has(_propHashKey(prop, propValue, references))) {
                  metadata[prop] = undefined;
              }
          }
      }
  }
  /**
   * @param {?} metadata
   * @param {?} add
   * @return {?}
   */
  function addMetadata(metadata, add) {
      for (const prop in add) {
          /** @type {?} */
          const addValue = add[prop];
          /** @type {?} */
          const propValue = metadata[prop];
          if (propValue != null && propValue instanceof Array) {
              metadata[prop] = propValue.concat(addValue);
          }
          else {
              metadata[prop] = addValue;
          }
      }
  }
  /**
   * @param {?} metadata
   * @param {?} set
   * @return {?}
   */
  function setMetadata(metadata, set) {
      for (const prop in set) {
          metadata[prop] = set[prop];
      }
  }
  /**
   * @param {?} propName
   * @param {?} propValue
   * @param {?} references
   * @return {?}
   */
  function _propHashKey(propName, propValue, references) {
      /** @type {?} */
      const replacer = (/**
       * @param {?} key
       * @param {?} value
       * @return {?}
       */
      (key, value) => {
          if (typeof value === 'function') {
              value = _serializeReference(value, references);
          }
          return value;
      });
      return `${propName}:${JSON.stringify(propValue, replacer)}`;
  }
  /**
   * @param {?} ref
   * @param {?} references
   * @return {?}
   */
  function _serializeReference(ref, references) {
      /** @type {?} */
      let id = references.get(ref);
      if (!id) {
          id = `${ɵstringify(ref)}${_nextReferenceId++}`;
          references.set(ref, id);
      }
      return id;
  }
  /**
   * @param {?} obj
   * @return {?}
   */
  function _valueProps(obj) {
      /** @type {?} */
      const props = [];
      // regular public props
      Object.keys(obj).forEach((/**
       * @param {?} prop
       * @return {?}
       */
      (prop) => {
          if (!prop.startsWith('_')) {
              props.push(prop);
          }
      }));
      // getters
      /** @type {?} */
      let proto = obj;
      while (proto = Object.getPrototypeOf(proto)) {
          Object.keys(proto).forEach((/**
           * @param {?} protoProp
           * @return {?}
           */
          (protoProp) => {
              /** @type {?} */
              const desc = Object.getOwnPropertyDescriptor(proto, protoProp);
              if (!protoProp.startsWith('_') && desc && 'get' in desc) {
                  props.push(protoProp);
              }
          }));
      }
      return props;
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /** @type {?} */
  const reflection = new ɵReflectionCapabilities();
  /**
   * Base interface to resolve `\@Component`, `\@Directive`, `\@Pipe` and `\@NgModule`.
   * @record
   * @template T
   */
  function Resolver() { }
  if (false) {
      /**
       * @param {?} type
       * @param {?} override
       * @return {?}
       */
      Resolver.prototype.addOverride = function (type, override) { };
      /**
       * @param {?} overrides
       * @return {?}
       */
      Resolver.prototype.setOverrides = function (overrides) { };
      /**
       * @param {?} type
       * @return {?}
       */
      Resolver.prototype.resolve = function (type) { };
  }
  /**
   * Allows to override ivy metadata for tests (via the `TestBed`).
   * @abstract
   * @template T
   */
  class OverrideResolver {
      constructor() {
          this.overrides = new Map();
          this.resolved = new Map();
      }
      /**
       * @param {?} type
       * @param {?} override
       * @return {?}
       */
      addOverride(type, override) {
          /** @type {?} */
          const overrides = this.overrides.get(type) || [];
          overrides.push(override);
          this.overrides.set(type, overrides);
          this.resolved.delete(type);
      }
      /**
       * @param {?} overrides
       * @return {?}
       */
      setOverrides(overrides) {
          this.overrides.clear();
          overrides.forEach((/**
           * @param {?} __0
           * @return {?}
           */
          ([type, override]) => { this.addOverride(type, override); }));
      }
      /**
       * @param {?} type
       * @return {?}
       */
      getAnnotation(type) {
          /** @type {?} */
          const annotations = reflection.annotations(type);
          // Try to find the nearest known Type annotation and make sure that this annotation is an
          // instance of the type we are looking for, so we can use it for resolution. Note: there might
          // be multiple known annotations found due to the fact that Components can extend Directives (so
          // both Directive and Component annotations would be present), so we always check if the known
          // annotation has the right type.
          for (let i = annotations.length - 1; i >= 0; i--) {
              /** @type {?} */
              const annotation = annotations[i];
              /** @type {?} */
              const isKnownType = annotation instanceof Directive || annotation instanceof Component ||
                  annotation instanceof Pipe || annotation instanceof NgModule;
              if (isKnownType) {
                  return annotation instanceof this.type ? annotation : null;
              }
          }
          return null;
      }
      /**
       * @param {?} type
       * @return {?}
       */
      resolve(type) {
          /** @type {?} */
          let resolved = this.resolved.get(type) || null;
          if (!resolved) {
              resolved = this.getAnnotation(type);
              if (resolved) {
                  /** @type {?} */
                  const overrides = this.overrides.get(type);
                  if (overrides) {
                      /** @type {?} */
                      const overrider = new MetadataOverrider();
                      overrides.forEach((/**
                       * @param {?} override
                       * @return {?}
                       */
                      override => {
                          resolved = overrider.overrideMetadata(this.type, (/** @type {?} */ (resolved)), override);
                      }));
                  }
              }
              this.resolved.set(type, resolved);
          }
          return resolved;
      }
  }
  if (false) {
      /**
       * @type {?}
       * @private
       */
      OverrideResolver.prototype.overrides;
      /**
       * @type {?}
       * @private
       */
      OverrideResolver.prototype.resolved;
      /**
       * @abstract
       * @return {?}
       */
      OverrideResolver.prototype.type = function () { };
  }
  class DirectiveResolver extends OverrideResolver {
      /**
       * @return {?}
       */
      get type() { return Directive; }
  }
  class ComponentResolver extends OverrideResolver {
      /**
       * @return {?}
       */
      get type() { return Component; }
  }
  class PipeResolver extends OverrideResolver {
      /**
       * @return {?}
       */
      get type() { return Pipe; }
  }
  class NgModuleResolver extends OverrideResolver {
      /**
       * @return {?}
       */
      get type() { return NgModule; }
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /** @enum {number} */
  const TestingModuleOverride = {
      DECLARATION: 0,
      OVERRIDE_TEMPLATE: 1,
  };
  TestingModuleOverride[TestingModuleOverride.DECLARATION] = 'DECLARATION';
  TestingModuleOverride[TestingModuleOverride.OVERRIDE_TEMPLATE] = 'OVERRIDE_TEMPLATE';
  /**
   * @param {?} value
   * @return {?}
   */
  function isTestingModuleOverride(value) {
      return value === TestingModuleOverride.DECLARATION ||
          value === TestingModuleOverride.OVERRIDE_TEMPLATE;
  }
  /**
   * @record
   */
  function CleanupOperation() { }
  if (false) {
      /** @type {?} */
      CleanupOperation.prototype.field;
      /** @type {?} */
      CleanupOperation.prototype.def;
      /** @type {?} */
      CleanupOperation.prototype.original;
  }
  class R3TestBedCompiler {
      /**
       * @param {?} platform
       * @param {?} additionalModuleTypes
       */
      constructor(platform, additionalModuleTypes) {
          this.platform = platform;
          this.additionalModuleTypes = additionalModuleTypes;
          this.originalComponentResolutionQueue = null;
          // Testing module configuration
          this.declarations = [];
          this.imports = [];
          this.providers = [];
          this.schemas = [];
          // Queues of components/directives/pipes that should be recompiled.
          this.pendingComponents = new Set();
          this.pendingDirectives = new Set();
          this.pendingPipes = new Set();
          // Keep track of all components and directives, so we can patch Providers onto defs later.
          this.seenComponents = new Set();
          this.seenDirectives = new Set();
          // Store resolved styles for Components that have template overrides present and `styleUrls`
          // defined at the same time.
          this.existingComponentStyles = new Map();
          this.resolvers = initResolvers();
          this.componentToModuleScope = new Map();
          // Map that keeps initial version of component/directive/pipe defs in case
          // we compile a Type again, thus overriding respective static fields. This is
          // required to make sure we restore defs to their initial states between test runs
          // TODO: we should support the case with multiple defs on a type
          this.initialNgDefs = new Map();
          // Array that keeps cleanup operations for initial versions of component/directive/pipe/module
          // defs in case TestBed makes changes to the originals.
          this.defCleanupOps = [];
          this._injector = null;
          this.compilerProviders = null;
          this.providerOverrides = [];
          this.rootProviderOverrides = [];
          this.providerOverridesByToken = new Map();
          this.moduleProvidersOverridden = new Set();
          this.testModuleRef = null;
          class DynamicTestModule {
          }
          this.testModuleType = (/** @type {?} */ (DynamicTestModule));
      }
      /**
       * @param {?} providers
       * @return {?}
       */
      setCompilerProviders(providers) {
          this.compilerProviders = providers;
          this._injector = null;
      }
      /**
       * @param {?} moduleDef
       * @return {?}
       */
      configureTestingModule(moduleDef) {
          // Enqueue any compilation tasks for the directly declared component.
          if (moduleDef.declarations !== undefined) {
              this.queueTypeArray(moduleDef.declarations, TestingModuleOverride.DECLARATION);
              this.declarations.push(...moduleDef.declarations);
          }
          // Enqueue any compilation tasks for imported modules.
          if (moduleDef.imports !== undefined) {
              this.queueTypesFromModulesArray(moduleDef.imports);
              this.imports.push(...moduleDef.imports);
          }
          if (moduleDef.providers !== undefined) {
              this.providers.push(...moduleDef.providers);
          }
          if (moduleDef.schemas !== undefined) {
              this.schemas.push(...moduleDef.schemas);
          }
      }
      /**
       * @param {?} ngModule
       * @param {?} override
       * @return {?}
       */
      overrideModule(ngModule, override) {
          // Compile the module right away.
          this.resolvers.module.addOverride(ngModule, override);
          /** @type {?} */
          const metadata = this.resolvers.module.resolve(ngModule);
          if (metadata === null) {
              throw new Error(`${ngModule.name} is not an @NgModule or is missing metadata`);
          }
          this.recompileNgModule(ngModule);
          // At this point, the module has a valid .ngModuleDef, but the override may have introduced
          // new declarations or imported modules. Ingest any possible new types and add them to the
          // current queue.
          this.queueTypesFromModulesArray([ngModule]);
      }
      /**
       * @param {?} component
       * @param {?} override
       * @return {?}
       */
      overrideComponent(component, override) {
          this.resolvers.component.addOverride(component, override);
          this.pendingComponents.add(component);
      }
      /**
       * @param {?} directive
       * @param {?} override
       * @return {?}
       */
      overrideDirective(directive, override) {
          this.resolvers.directive.addOverride(directive, override);
          this.pendingDirectives.add(directive);
      }
      /**
       * @param {?} pipe
       * @param {?} override
       * @return {?}
       */
      overridePipe(pipe, override) {
          this.resolvers.pipe.addOverride(pipe, override);
          this.pendingPipes.add(pipe);
      }
      /**
       * @param {?} token
       * @param {?} provider
       * @return {?}
       */
      overrideProvider(token, provider) {
          /** @type {?} */
          const providerDef = provider.useFactory ?
              {
                  provide: token,
                  useFactory: provider.useFactory,
                  deps: provider.deps || [],
                  multi: provider.multi,
              } :
              { provide: token, useValue: provider.useValue, multi: provider.multi };
          /** @type {?} */
          let injectableDef;
          /** @type {?} */
          const isRoot = (typeof token !== 'string' && (injectableDef = ɵgetInjectableDef(token)) &&
              injectableDef.providedIn === 'root');
          /** @type {?} */
          const overridesBucket = isRoot ? this.rootProviderOverrides : this.providerOverrides;
          overridesBucket.push(providerDef);
          // Keep overrides grouped by token as well for fast lookups using token
          this.providerOverridesByToken.set(token, providerDef);
      }
      /**
       * @param {?} type
       * @param {?} template
       * @return {?}
       */
      overrideTemplateUsingTestingModule(type, template) {
          /** @type {?} */
          const def = ((/** @type {?} */ (type)))[ɵNG_COMPONENT_DEF];
          /** @type {?} */
          const hasStyleUrls = (/**
           * @return {?}
           */
          () => {
              /** @type {?} */
              const metadata = (/** @type {?} */ ((/** @type {?} */ (this.resolvers.component.resolve(type)))));
              return !!metadata.styleUrls && metadata.styleUrls.length > 0;
          });
          /** @type {?} */
          const overrideStyleUrls = !!def && !isComponentDefPendingResolution(type) && hasStyleUrls();
          // In Ivy, compiling a component does not require knowing the module providing the
          // component's scope, so overrideTemplateUsingTestingModule can be implemented purely via
          // overrideComponent. Important: overriding template requires full Component re-compilation,
          // which may fail in case styleUrls are also present (thus Component is considered as required
          // resolution). In order to avoid this, we preemptively set styleUrls to an empty array,
          // preserve current styles available on Component def and restore styles back once compilation
          // is complete.
          /** @type {?} */
          const override = overrideStyleUrls ? { template, styles: [], styleUrls: [] } : { template };
          this.overrideComponent(type, { set: override });
          if (overrideStyleUrls && def.styles && def.styles.length > 0) {
              this.existingComponentStyles.set(type, def.styles);
          }
          // Set the component's scope to be the testing module.
          this.componentToModuleScope.set(type, TestingModuleOverride.OVERRIDE_TEMPLATE);
      }
      /**
       * @return {?}
       */
      compileComponents() {
          return __awaiter(this, void 0, void 0, function* () {
              this.clearComponentResolutionQueue();
              // Run compilers for all queued types.
              /** @type {?} */
              let needsAsyncResources = this.compileTypesSync();
              // compileComponents() should not be async unless it needs to be.
              if (needsAsyncResources) {
                  /** @type {?} */
                  let resourceLoader;
                  /** @type {?} */
                  let resolver = (/**
                   * @param {?} url
                   * @return {?}
                   */
                  (url) => {
                      if (!resourceLoader) {
                          resourceLoader = this.injector.get(ResourceLoader);
                      }
                      return Promise.resolve(resourceLoader.get(url));
                  });
                  yield resolveComponentResources(resolver);
              }
          });
      }
      /**
       * @return {?}
       */
      finalize() {
          // One last compile
          this.compileTypesSync();
          // Create the testing module itself.
          this.compileTestModule();
          this.applyTransitiveScopes();
          this.applyProviderOverrides();
          // Patch previously stored `styles` Component values (taken from ngComponentDef), in case these
          // Components have `styleUrls` fields defined and template override was requested.
          this.patchComponentsWithExistingStyles();
          // Clear the componentToModuleScope map, so that future compilations don't reset the scope of
          // every component.
          this.componentToModuleScope.clear();
          /** @type {?} */
          const parentInjector = this.platform.injector;
          this.testModuleRef = new ɵRender3NgModuleRef(this.testModuleType, parentInjector);
          // Set the locale ID, it can be overridden for the tests
          /** @type {?} */
          const localeId = this.testModuleRef.injector.get(LOCALE_ID, ɵDEFAULT_LOCALE_ID);
          ɵsetLocaleId(localeId);
          // ApplicationInitStatus.runInitializers() is marked @internal to core.
          // Cast it to any before accessing it.
          ((/** @type {?} */ (this.testModuleRef.injector.get(ApplicationInitStatus)))).runInitializers();
          return this.testModuleRef;
      }
      /**
       * \@internal
       * @param {?} moduleType
       * @return {?}
       */
      _compileNgModuleSync(moduleType) {
          this.queueTypesFromModulesArray([moduleType]);
          this.compileTypesSync();
          this.applyProviderOverrides();
          this.applyProviderOverridesToModule(moduleType);
          this.applyTransitiveScopes();
      }
      /**
       * \@internal
       * @param {?} moduleType
       * @return {?}
       */
      _compileNgModuleAsync(moduleType) {
          return __awaiter(this, void 0, void 0, function* () {
              this.queueTypesFromModulesArray([moduleType]);
              yield this.compileComponents();
              this.applyProviderOverrides();
              this.applyProviderOverridesToModule(moduleType);
              this.applyTransitiveScopes();
          });
      }
      /**
       * \@internal
       * @return {?}
       */
      _getModuleResolver() { return this.resolvers.module; }
      /**
       * \@internal
       * @param {?} moduleType
       * @return {?}
       */
      _getComponentFactories(moduleType) {
          return maybeUnwrapFn(moduleType.ngModuleDef.declarations).reduce((/**
           * @param {?} factories
           * @param {?} declaration
           * @return {?}
           */
          (factories, declaration) => {
              /** @nocollapse @type {?} */
              const componentDef = ((/** @type {?} */ (declaration))).ngComponentDef;
              componentDef && factories.push(new ɵRender3ComponentFactory(componentDef, (/** @type {?} */ (this.testModuleRef))));
              return factories;
          }), (/** @type {?} */ ([])));
      }
      /**
       * @private
       * @return {?}
       */
      compileTypesSync() {
          // Compile all queued components, directives, pipes.
          /** @type {?} */
          let needsAsyncResources = false;
          this.pendingComponents.forEach((/**
           * @param {?} declaration
           * @return {?}
           */
          declaration => {
              needsAsyncResources = needsAsyncResources || isComponentDefPendingResolution(declaration);
              /** @type {?} */
              const metadata = (/** @type {?} */ (this.resolvers.component.resolve(declaration)));
              this.maybeStoreNgDef(ɵNG_COMPONENT_DEF, declaration);
              ɵcompileComponent(declaration, metadata);
          }));
          this.pendingComponents.clear();
          this.pendingDirectives.forEach((/**
           * @param {?} declaration
           * @return {?}
           */
          declaration => {
              /** @type {?} */
              const metadata = (/** @type {?} */ (this.resolvers.directive.resolve(declaration)));
              this.maybeStoreNgDef(ɵNG_DIRECTIVE_DEF, declaration);
              ɵcompileDirective(declaration, metadata);
          }));
          this.pendingDirectives.clear();
          this.pendingPipes.forEach((/**
           * @param {?} declaration
           * @return {?}
           */
          declaration => {
              /** @type {?} */
              const metadata = (/** @type {?} */ (this.resolvers.pipe.resolve(declaration)));
              this.maybeStoreNgDef(ɵNG_PIPE_DEF, declaration);
              ɵcompilePipe(declaration, metadata);
          }));
          this.pendingPipes.clear();
          return needsAsyncResources;
      }
      /**
       * @private
       * @return {?}
       */
      applyTransitiveScopes() {
          /** @type {?} */
          const moduleToScope = new Map();
          /** @type {?} */
          const getScopeOfModule = (/**
           * @param {?} moduleType
           * @return {?}
           */
          (moduleType) => {
              if (!moduleToScope.has(moduleType)) {
                  /** @type {?} */
                  const realType = isTestingModuleOverride(moduleType) ? this.testModuleType : moduleType;
                  moduleToScope.set(moduleType, ɵtransitiveScopesFor(realType));
              }
              return (/** @type {?} */ (moduleToScope.get(moduleType)));
          });
          this.componentToModuleScope.forEach((/**
           * @param {?} moduleType
           * @param {?} componentType
           * @return {?}
           */
          (moduleType, componentType) => {
              /** @type {?} */
              const moduleScope = getScopeOfModule(moduleType);
              this.storeFieldOfDefOnType(componentType, ɵNG_COMPONENT_DEF, 'directiveDefs');
              this.storeFieldOfDefOnType(componentType, ɵNG_COMPONENT_DEF, 'pipeDefs');
              ɵpatchComponentDefWithScope(((/** @type {?} */ (componentType))).ngComponentDef, moduleScope);
          }));
          this.componentToModuleScope.clear();
      }
      /**
       * @private
       * @return {?}
       */
      applyProviderOverrides() {
          /** @type {?} */
          const maybeApplyOverrides = (/**
           * @param {?} field
           * @return {?}
           */
          (field) => (/**
           * @param {?} type
           * @return {?}
           */
          (type) => {
              /** @type {?} */
              const resolver = field === ɵNG_COMPONENT_DEF ? this.resolvers.component : this.resolvers.directive;
              /** @type {?} */
              const metadata = (/** @type {?} */ (resolver.resolve(type)));
              if (this.hasProviderOverrides(metadata.providers)) {
                  this.patchDefWithProviderOverrides(type, field);
              }
          }));
          this.seenComponents.forEach(maybeApplyOverrides(ɵNG_COMPONENT_DEF));
          this.seenDirectives.forEach(maybeApplyOverrides(ɵNG_DIRECTIVE_DEF));
          this.seenComponents.clear();
          this.seenDirectives.clear();
      }
      /**
       * @private
       * @param {?} moduleType
       * @return {?}
       */
      applyProviderOverridesToModule(moduleType) {
          if (this.moduleProvidersOverridden.has(moduleType)) {
              return;
          }
          this.moduleProvidersOverridden.add(moduleType);
          /** @type {?} */
          const injectorDef = ((/** @type {?} */ (moduleType)))[ɵNG_INJECTOR_DEF];
          if (this.providerOverridesByToken.size > 0) {
              // Extract the list of providers from ModuleWithProviders, so we can define the final list of
              // providers that might have overrides.
              // Note: second `flatten` operation is needed to convert an array of providers
              // (e.g. `[[], []]`) into one flat list, also eliminating empty arrays.
              /** @type {?} */
              const providersFromModules = flatten(flatten(injectorDef.imports, (/**
               * @param {?} imported
               * @return {?}
               */
              (imported) => isModuleWithProviders(imported) ? imported.providers : [])));
              /** @type {?} */
              const providers = [...providersFromModules, ...injectorDef.providers];
              if (this.hasProviderOverrides(providers)) {
                  this.maybeStoreNgDef(ɵNG_INJECTOR_DEF, moduleType);
                  this.storeFieldOfDefOnType(moduleType, ɵNG_INJECTOR_DEF, 'providers');
                  injectorDef.providers = this.getOverriddenProviders(providers);
              }
              // Apply provider overrides to imported modules recursively
              /** @type {?} */
              const moduleDef = ((/** @type {?} */ (moduleType)))[ɵNG_MODULE_DEF];
              for (const importType of moduleDef.imports) {
                  this.applyProviderOverridesToModule(importType);
              }
          }
      }
      /**
       * @private
       * @return {?}
       */
      patchComponentsWithExistingStyles() {
          this.existingComponentStyles.forEach((/**
           * @param {?} styles
           * @param {?} type
           * @return {?}
           */
          (styles, type) => ((/** @type {?} */ (type)))[ɵNG_COMPONENT_DEF].styles = styles));
          this.existingComponentStyles.clear();
      }
      /**
       * @private
       * @param {?} arr
       * @param {?} moduleType
       * @return {?}
       */
      queueTypeArray(arr, moduleType) {
          for (const value of arr) {
              if (Array.isArray(value)) {
                  this.queueTypeArray(value, moduleType);
              }
              else {
                  this.queueType(value, moduleType);
              }
          }
      }
      /**
       * @private
       * @param {?} ngModule
       * @return {?}
       */
      recompileNgModule(ngModule) {
          /** @type {?} */
          const metadata = this.resolvers.module.resolve(ngModule);
          if (metadata === null) {
              throw new Error(`Unable to resolve metadata for NgModule: ${ngModule.name}`);
          }
          // Cache the initial ngModuleDef as it will be overwritten.
          this.maybeStoreNgDef(ɵNG_MODULE_DEF, ngModule);
          this.maybeStoreNgDef(ɵNG_INJECTOR_DEF, ngModule);
          ɵcompileNgModuleDefs((/** @type {?} */ (ngModule)), metadata);
      }
      /**
       * @private
       * @param {?} type
       * @param {?} moduleType
       * @return {?}
       */
      queueType(type, moduleType) {
          /** @type {?} */
          const component = this.resolvers.component.resolve(type);
          if (component) {
              // Check whether a give Type has respective NG def (ngComponentDef) and compile if def is
              // missing. That might happen in case a class without any Angular decorators extends another
              // class where Component/Directive/Pipe decorator is defined.
              if (isComponentDefPendingResolution(type) || !type.hasOwnProperty(ɵNG_COMPONENT_DEF)) {
                  this.pendingComponents.add(type);
              }
              this.seenComponents.add(type);
              // Keep track of the module which declares this component, so later the component's scope
              // can be set correctly. If the component has already been recorded here, then one of several
              // cases is true:
              // * the module containing the component was imported multiple times (common).
              // * the component is declared in multiple modules (which is an error).
              // * the component was in 'declarations' of the testing module, and also in an imported module
              //   in which case the module scope will be TestingModuleOverride.DECLARATION.
              // * overrideTemplateUsingTestingModule was called for the component in which case the module
              //   scope will be TestingModuleOverride.OVERRIDE_TEMPLATE.
              //
              // If the component was previously in the testing module's 'declarations' (meaning the
              // current value is TestingModuleOverride.DECLARATION), then `moduleType` is the component's
              // real module, which was imported. This pattern is understood to mean that the component
              // should use its original scope, but that the testing module should also contain the
              // component in its scope.
              if (!this.componentToModuleScope.has(type) ||
                  this.componentToModuleScope.get(type) === TestingModuleOverride.DECLARATION) {
                  this.componentToModuleScope.set(type, moduleType);
              }
              return;
          }
          /** @type {?} */
          const directive = this.resolvers.directive.resolve(type);
          if (directive) {
              if (!type.hasOwnProperty(ɵNG_DIRECTIVE_DEF)) {
                  this.pendingDirectives.add(type);
              }
              this.seenDirectives.add(type);
              return;
          }
          /** @type {?} */
          const pipe = this.resolvers.pipe.resolve(type);
          if (pipe && !type.hasOwnProperty(ɵNG_PIPE_DEF)) {
              this.pendingPipes.add(type);
              return;
          }
      }
      /**
       * @private
       * @param {?} arr
       * @return {?}
       */
      queueTypesFromModulesArray(arr) {
          for (const value of arr) {
              if (Array.isArray(value)) {
                  this.queueTypesFromModulesArray(value);
              }
              else if (hasNgModuleDef(value)) {
                  /** @nocollapse @type {?} */
                  const def = value.ngModuleDef;
                  // Look through declarations, imports, and exports, and queue everything found there.
                  this.queueTypeArray(maybeUnwrapFn(def.declarations), value);
                  this.queueTypesFromModulesArray(maybeUnwrapFn(def.imports));
                  this.queueTypesFromModulesArray(maybeUnwrapFn(def.exports));
              }
          }
      }
      /**
       * @private
       * @param {?} prop
       * @param {?} type
       * @return {?}
       */
      maybeStoreNgDef(prop, type) {
          if (!this.initialNgDefs.has(type)) {
              /** @type {?} */
              const currentDef = Object.getOwnPropertyDescriptor(type, prop);
              this.initialNgDefs.set(type, [prop, currentDef]);
          }
      }
      /**
       * @private
       * @param {?} type
       * @param {?} defField
       * @param {?} field
       * @return {?}
       */
      storeFieldOfDefOnType(type, defField, field) {
          /** @type {?} */
          const def = ((/** @type {?} */ (type)))[defField];
          /** @type {?} */
          const original = def[field];
          this.defCleanupOps.push({ field, def, original });
      }
      /**
       * Clears current components resolution queue, but stores the state of the queue, so we can
       * restore it later. Clearing the queue is required before we try to compile components (via
       * `TestBed.compileComponents`), so that component defs are in sync with the resolution queue.
       * @private
       * @return {?}
       */
      clearComponentResolutionQueue() {
          if (this.originalComponentResolutionQueue === null) {
              this.originalComponentResolutionQueue = new Map();
          }
          clearResolutionOfComponentResourcesQueue().forEach((/**
           * @param {?} value
           * @param {?} key
           * @return {?}
           */
          (value, key) => (/** @type {?} */ (this.originalComponentResolutionQueue)).set(key, value)));
      }
      /*
         * Restores component resolution queue to the previously saved state. This operation is performed
         * as a part of restoring the state after completion of the current set of tests (that might
         * potentially mutate the state).
         */
      /**
       * @private
       * @return {?}
       */
      restoreComponentResolutionQueue() {
          if (this.originalComponentResolutionQueue !== null) {
              restoreComponentResolutionQueue(this.originalComponentResolutionQueue);
              this.originalComponentResolutionQueue = null;
          }
      }
      /**
       * @return {?}
       */
      restoreOriginalState() {
          for (const op of this.defCleanupOps) {
              op.def[op.field] = op.original;
          }
          // Restore initial component/directive/pipe defs
          this.initialNgDefs.forEach((/**
           * @param {?} value
           * @param {?} type
           * @return {?}
           */
          (value, type) => {
              const [prop, descriptor] = value;
              if (!descriptor) {
                  // Delete operations are generally undesirable since they have performance implications
                  // on objects they were applied to. In this particular case, situations where this code
                  // is invoked should be quite rare to cause any noticeable impact, since it's applied
                  // only to some test cases (for example when class with no annotations extends some
                  // @Component) when we need to clear 'ngComponentDef' field on a given class to restore
                  // its original state (before applying overrides and running tests).
                  delete ((/** @type {?} */ (type)))[prop];
              }
              else {
                  Object.defineProperty(type, prop, descriptor);
              }
          }));
          this.initialNgDefs.clear();
          this.moduleProvidersOverridden.clear();
          this.restoreComponentResolutionQueue();
          // Restore the locale ID to the default value, this shouldn't be necessary but we never know
          ɵsetLocaleId(ɵDEFAULT_LOCALE_ID);
      }
      /**
       * @private
       * @return {?}
       */
      compileTestModule() {
          class RootScopeModule {
          }
          ɵcompileNgModuleDefs((/** @type {?} */ (RootScopeModule)), {
              providers: [...this.rootProviderOverrides],
          });
          /** @type {?} */
          const ngZone = new NgZone({ enableLongStackTrace: true });
          /** @type {?} */
          const providers = [
              { provide: NgZone, useValue: ngZone },
              { provide: Compiler, useFactory: (/**
                   * @return {?}
                   */
                  () => new R3TestCompiler(this)) },
              ...this.providers,
              ...this.providerOverrides,
          ];
          /** @type {?} */
          const imports = [RootScopeModule, this.additionalModuleTypes, this.imports || []];
          // clang-format off
          ɵcompileNgModuleDefs(this.testModuleType, {
              declarations: this.declarations,
              imports,
              schemas: this.schemas,
              providers,
          }, /* allowDuplicateDeclarationsInRoot */ true);
          // clang-format on
          this.applyProviderOverridesToModule(this.testModuleType);
      }
      /**
       * @return {?}
       */
      get injector() {
          if (this._injector !== null) {
              return this._injector;
          }
          /** @type {?} */
          const providers = [];
          /** @type {?} */
          const compilerOptions = this.platform.injector.get(COMPILER_OPTIONS);
          compilerOptions.forEach((/**
           * @param {?} opts
           * @return {?}
           */
          opts => {
              if (opts.providers) {
                  providers.push(opts.providers);
              }
          }));
          if (this.compilerProviders !== null) {
              providers.push(...this.compilerProviders);
          }
          // TODO(ocombe): make this work with an Injector directly instead of creating a module for it
          class CompilerModule {
          }
          ɵcompileNgModuleDefs((/** @type {?} */ (CompilerModule)), { providers });
          /** @type {?} */
          const CompilerModuleFactory = new ɵNgModuleFactory(CompilerModule);
          this._injector = CompilerModuleFactory.create(this.platform.injector).injector;
          return this._injector;
      }
      // get overrides for a specific provider (if any)
      /**
       * @private
       * @param {?} provider
       * @return {?}
       */
      getSingleProviderOverrides(provider) {
          /** @type {?} */
          const token = getProviderToken(provider);
          return this.providerOverridesByToken.get(token) || null;
      }
      /**
       * @private
       * @param {?=} providers
       * @return {?}
       */
      getProviderOverrides(providers) {
          if (!providers || !providers.length || this.providerOverridesByToken.size === 0)
              return [];
          // There are two flattening operations here. The inner flatten() operates on the metadata's
          // providers and applies a mapping function which retrieves overrides for each incoming
          // provider. The outer flatten() then flattens the produced overrides array. If this is not
          // done, the array can contain other empty arrays (e.g. `[[], []]`) which leak into the
          // providers array and contaminate any error messages that might be generated.
          return flatten(flatten(providers, (/**
           * @param {?} provider
           * @return {?}
           */
          (provider) => this.getSingleProviderOverrides(provider) || [])));
      }
      /**
       * @private
       * @param {?=} providers
       * @return {?}
       */
      getOverriddenProviders(providers) {
          if (!providers || !providers.length || this.providerOverridesByToken.size === 0)
              return [];
          /** @type {?} */
          const overrides = this.getProviderOverrides(providers);
          /** @type {?} */
          const hasMultiProviderOverrides = overrides.some(isMultiProvider);
          /** @type {?} */
          const overriddenProviders = [...providers, ...overrides];
          // No additional processing is required in case we have no multi providers to override
          if (!hasMultiProviderOverrides) {
              return overriddenProviders;
          }
          /** @type {?} */
          const final = [];
          /** @type {?} */
          const seenMultiProviders = new Set();
          // We iterate through the list of providers in reverse order to make sure multi provider
          // overrides take precedence over the values defined in provider list. We also fiter out all
          // multi providers that have overrides, keeping overridden values only.
          forEachRight(overriddenProviders, (/**
           * @param {?} provider
           * @return {?}
           */
          (provider) => {
              /** @type {?} */
              const token = getProviderToken(provider);
              if (isMultiProvider(provider) && this.providerOverridesByToken.has(token)) {
                  if (!seenMultiProviders.has(token)) {
                      seenMultiProviders.add(token);
                      if (provider && provider.useValue && Array.isArray(provider.useValue)) {
                          forEachRight(provider.useValue, (/**
                           * @param {?} value
                           * @return {?}
                           */
                          (value) => {
                              // Unwrap provider override array into individual providers in final set.
                              final.unshift({ provide: token, useValue: value, multi: true });
                          }));
                      }
                      else {
                          final.unshift(provider);
                      }
                  }
              }
              else {
                  final.unshift(provider);
              }
          }));
          return final;
      }
      /**
       * @private
       * @param {?=} providers
       * @return {?}
       */
      hasProviderOverrides(providers) {
          return this.getProviderOverrides(providers).length > 0;
      }
      /**
       * @private
       * @param {?} declaration
       * @param {?} field
       * @return {?}
       */
      patchDefWithProviderOverrides(declaration, field) {
          /** @type {?} */
          const def = ((/** @type {?} */ (declaration)))[field];
          if (def && def.providersResolver) {
              this.maybeStoreNgDef(field, declaration);
              /** @type {?} */
              const resolver = def.providersResolver;
              /** @type {?} */
              const processProvidersFn = (/**
               * @param {?} providers
               * @return {?}
               */
              (providers) => this.getOverriddenProviders(providers));
              this.storeFieldOfDefOnType(declaration, field, 'providersResolver');
              def.providersResolver = (/**
               * @param {?} ngDef
               * @return {?}
               */
              (ngDef) => resolver(ngDef, processProvidersFn));
          }
      }
  }
  if (false) {
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.originalComponentResolutionQueue;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.declarations;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.imports;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.providers;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.schemas;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.pendingComponents;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.pendingDirectives;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.pendingPipes;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.seenComponents;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.seenDirectives;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.existingComponentStyles;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.resolvers;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.componentToModuleScope;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.initialNgDefs;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.defCleanupOps;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype._injector;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.compilerProviders;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.providerOverrides;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.rootProviderOverrides;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.providerOverridesByToken;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.moduleProvidersOverridden;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.testModuleType;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.testModuleRef;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.platform;
      /**
       * @type {?}
       * @private
       */
      R3TestBedCompiler.prototype.additionalModuleTypes;
  }
  /**
   * @return {?}
   */
  function initResolvers() {
      return {
          module: new NgModuleResolver(),
          component: new ComponentResolver(),
          directive: new DirectiveResolver(),
          pipe: new PipeResolver()
      };
  }
  /**
   * @template T
   * @param {?} value
   * @return {?}
   */
  function hasNgModuleDef(value) {
      return value.hasOwnProperty('ngModuleDef');
  }
  /**
   * @template T
   * @param {?} maybeFn
   * @return {?}
   */
  function maybeUnwrapFn(maybeFn) {
      return maybeFn instanceof Function ? maybeFn() : maybeFn;
  }
  /**
   * @template T
   * @param {?} values
   * @param {?=} mapFn
   * @return {?}
   */
  function flatten(values, mapFn) {
      /** @type {?} */
      const out = [];
      values.forEach((/**
       * @param {?} value
       * @return {?}
       */
      value => {
          if (Array.isArray(value)) {
              out.push(...flatten(value, mapFn));
          }
          else {
              out.push(mapFn ? mapFn(value) : value);
          }
      }));
      return out;
  }
  /**
   * @param {?} provider
   * @param {?} field
   * @return {?}
   */
  function getProviderField(provider, field) {
      return provider && typeof provider === 'object' && ((/** @type {?} */ (provider)))[field];
  }
  /**
   * @param {?} provider
   * @return {?}
   */
  function getProviderToken(provider) {
      return getProviderField(provider, 'provide') || provider;
  }
  /**
   * @param {?} provider
   * @return {?}
   */
  function isMultiProvider(provider) {
      return !!getProviderField(provider, 'multi');
  }
  /**
   * @param {?} value
   * @return {?}
   */
  function isModuleWithProviders(value) {
      return value.hasOwnProperty('ngModule');
  }
  /**
   * @template T
   * @param {?} values
   * @param {?} fn
   * @return {?}
   */
  function forEachRight(values, fn) {
      for (let idx = values.length - 1; idx >= 0; idx--) {
          fn(values[idx], idx);
      }
  }
  class R3TestCompiler {
      /**
       * @param {?} testBed
       */
      constructor(testBed) {
          this.testBed = testBed;
      }
      /**
       * @template T
       * @param {?} moduleType
       * @return {?}
       */
      compileModuleSync(moduleType) {
          this.testBed._compileNgModuleSync(moduleType);
          return new ɵNgModuleFactory(moduleType);
      }
      /**
       * @template T
       * @param {?} moduleType
       * @return {?}
       */
      compileModuleAsync(moduleType) {
          return __awaiter(this, void 0, void 0, function* () {
              yield this.testBed._compileNgModuleAsync(moduleType);
              return new ɵNgModuleFactory(moduleType);
          });
      }
      /**
       * @template T
       * @param {?} moduleType
       * @return {?}
       */
      compileModuleAndAllComponentsSync(moduleType) {
          /** @type {?} */
          const ngModuleFactory = this.compileModuleSync(moduleType);
          /** @type {?} */
          const componentFactories = this.testBed._getComponentFactories((/** @type {?} */ (moduleType)));
          return new ModuleWithComponentFactories(ngModuleFactory, componentFactories);
      }
      /**
       * @template T
       * @param {?} moduleType
       * @return {?}
       */
      compileModuleAndAllComponentsAsync(moduleType) {
          return __awaiter(this, void 0, void 0, function* () {
              /** @type {?} */
              const ngModuleFactory = yield this.compileModuleAsync(moduleType);
              /** @type {?} */
              const componentFactories = this.testBed._getComponentFactories((/** @type {?} */ (moduleType)));
              return new ModuleWithComponentFactories(ngModuleFactory, componentFactories);
          });
      }
      /**
       * @return {?}
       */
      clearCache() { }
      /**
       * @param {?} type
       * @return {?}
       */
      clearCacheFor(type) { }
      /**
       * @param {?} moduleType
       * @return {?}
       */
      getModuleId(moduleType) {
          /** @type {?} */
          const meta = this.testBed._getModuleResolver().resolve(moduleType);
          return meta && meta.id || undefined;
      }
  }
  if (false) {
      /**
       * @type {?}
       * @private
       */
      R3TestCompiler.prototype.testBed;
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /** @type {?} */
  let _nextRootElementId = 0;
  /** @type {?} */
  const UNDEFINED = Symbol('UNDEFINED');
  /**
   * \@description
   * Configures and initializes environment for unit testing and provides methods for
   * creating components and services in unit tests.
   *
   * TestBed is the primary api for writing unit tests for Angular applications and libraries.
   *
   * Note: Use `TestBed` in tests. It will be set to either `TestBedViewEngine` or `TestBedRender3`
   * according to the compiler used.
   */
  class TestBedRender3 {
      constructor() {
          // Properties
          this.platform = (/** @type {?} */ (null));
          this.ngModule = (/** @type {?} */ (null));
          this._compiler = null;
          this._testModuleRef = null;
          this._activeFixtures = [];
          this._globalCompilationChecked = false;
      }
      /**
       * Initialize the environment for testing with a compiler factory, a PlatformRef, and an
       * angular module. These are common to every test in the suite.
       *
       * This may only be called once, to set up the common providers for the current test
       * suite on the current platform. If you absolutely need to change the providers,
       * first use `resetTestEnvironment`.
       *
       * Test modules and platforms for individual platforms are available from
       * '\@angular/<platform_name>/testing'.
       *
       * \@publicApi
       * @param {?} ngModule
       * @param {?} platform
       * @param {?=} aotSummaries
       * @return {?}
       */
      static initTestEnvironment(ngModule, platform, aotSummaries) {
          /** @type {?} */
          const testBed = _getTestBedRender3();
          testBed.initTestEnvironment(ngModule, platform, aotSummaries);
          return testBed;
      }
      /**
       * Reset the providers for the test injector.
       *
       * \@publicApi
       * @return {?}
       */
      static resetTestEnvironment() { _getTestBedRender3().resetTestEnvironment(); }
      /**
       * @param {?} config
       * @return {?}
       */
      static configureCompiler(config) {
          _getTestBedRender3().configureCompiler(config);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedRender3))));
      }
      /**
       * Allows overriding default providers, directives, pipes, modules of the test injector,
       * which are defined in test_injector.js
       * @param {?} moduleDef
       * @return {?}
       */
      static configureTestingModule(moduleDef) {
          _getTestBedRender3().configureTestingModule(moduleDef);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedRender3))));
      }
      /**
       * Compile components with a `templateUrl` for the test's NgModule.
       * It is necessary to call this function
       * as fetching urls is asynchronous.
       * @return {?}
       */
      static compileComponents() { return _getTestBedRender3().compileComponents(); }
      /**
       * @param {?} ngModule
       * @param {?} override
       * @return {?}
       */
      static overrideModule(ngModule, override) {
          _getTestBedRender3().overrideModule(ngModule, override);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedRender3))));
      }
      /**
       * @param {?} component
       * @param {?} override
       * @return {?}
       */
      static overrideComponent(component, override) {
          _getTestBedRender3().overrideComponent(component, override);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedRender3))));
      }
      /**
       * @param {?} directive
       * @param {?} override
       * @return {?}
       */
      static overrideDirective(directive, override) {
          _getTestBedRender3().overrideDirective(directive, override);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedRender3))));
      }
      /**
       * @param {?} pipe
       * @param {?} override
       * @return {?}
       */
      static overridePipe(pipe, override) {
          _getTestBedRender3().overridePipe(pipe, override);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedRender3))));
      }
      /**
       * @param {?} component
       * @param {?} template
       * @return {?}
       */
      static overrideTemplate(component, template) {
          _getTestBedRender3().overrideComponent(component, { set: { template, templateUrl: (/** @type {?} */ (null)) } });
          return (/** @type {?} */ ((/** @type {?} */ (TestBedRender3))));
      }
      /**
       * Overrides the template of the given component, compiling the template
       * in the context of the TestingModule.
       *
       * Note: This works for JIT and AOTed components as well.
       * @param {?} component
       * @param {?} template
       * @return {?}
       */
      static overrideTemplateUsingTestingModule(component, template) {
          _getTestBedRender3().overrideTemplateUsingTestingModule(component, template);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedRender3))));
      }
      /**
       * @param {?} token
       * @param {?} provider
       * @return {?}
       */
      static overrideProvider(token, provider) {
          _getTestBedRender3().overrideProvider(token, provider);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedRender3))));
      }
      /**
       * @param {?} token
       * @param {?=} notFoundValue
       * @param {?=} flags
       * @return {?}
       */
      static get(token, notFoundValue = Injector.THROW_IF_NOT_FOUND, flags = InjectFlags.Default) {
          return _getTestBedRender3().get(token, notFoundValue);
      }
      /**
       * @template T
       * @param {?} component
       * @return {?}
       */
      static createComponent(component) {
          return _getTestBedRender3().createComponent(component);
      }
      /**
       * @return {?}
       */
      static resetTestingModule() {
          _getTestBedRender3().resetTestingModule();
          return (/** @type {?} */ ((/** @type {?} */ (TestBedRender3))));
      }
      /**
       * Initialize the environment for testing with a compiler factory, a PlatformRef, and an
       * angular module. These are common to every test in the suite.
       *
       * This may only be called once, to set up the common providers for the current test
       * suite on the current platform. If you absolutely need to change the providers,
       * first use `resetTestEnvironment`.
       *
       * Test modules and platforms for individual platforms are available from
       * '\@angular/<platform_name>/testing'.
       *
       * \@publicApi
       * @param {?} ngModule
       * @param {?} platform
       * @param {?=} aotSummaries
       * @return {?}
       */
      initTestEnvironment(ngModule, platform, aotSummaries) {
          if (this.platform || this.ngModule) {
              throw new Error('Cannot set base providers because it has already been called');
          }
          this.platform = platform;
          this.ngModule = ngModule;
          this._compiler = new R3TestBedCompiler(this.platform, this.ngModule);
      }
      /**
       * Reset the providers for the test injector.
       *
       * \@publicApi
       * @return {?}
       */
      resetTestEnvironment() {
          this.resetTestingModule();
          this._compiler = null;
          this.platform = (/** @type {?} */ (null));
          this.ngModule = (/** @type {?} */ (null));
      }
      /**
       * @return {?}
       */
      resetTestingModule() {
          this.checkGlobalCompilationFinished();
          ɵresetCompiledComponents();
          if (this._compiler !== null) {
              this.compiler.restoreOriginalState();
          }
          this._compiler = new R3TestBedCompiler(this.platform, this.ngModule);
          this._testModuleRef = null;
          this.destroyActiveFixtures();
      }
      /**
       * @param {?} config
       * @return {?}
       */
      configureCompiler(config) {
          if (config.useJit != null) {
              throw new Error('the Render3 compiler JiT mode is not configurable !');
          }
          if (config.providers !== undefined) {
              this.compiler.setCompilerProviders(config.providers);
          }
      }
      /**
       * @param {?} moduleDef
       * @return {?}
       */
      configureTestingModule(moduleDef) {
          this.assertNotInstantiated('R3TestBed.configureTestingModule', 'configure the test module');
          this.compiler.configureTestingModule(moduleDef);
      }
      /**
       * @return {?}
       */
      compileComponents() { return this.compiler.compileComponents(); }
      /**
       * @param {?} token
       * @param {?=} notFoundValue
       * @param {?=} flags
       * @return {?}
       */
      get(token, notFoundValue = Injector.THROW_IF_NOT_FOUND, flags = InjectFlags.Default) {
          if (token === TestBedRender3) {
              return this;
          }
          /** @type {?} */
          const result = this.testModuleRef.injector.get(token, UNDEFINED, flags);
          return result === UNDEFINED ? this.compiler.injector.get(token, notFoundValue, flags) : result;
      }
      /**
       * @param {?} tokens
       * @param {?} fn
       * @param {?=} context
       * @return {?}
       */
      execute(tokens, fn, context) {
          /** @type {?} */
          const params = tokens.map((/**
           * @param {?} t
           * @return {?}
           */
          t => this.get(t)));
          return fn.apply(context, params);
      }
      /**
       * @param {?} ngModule
       * @param {?} override
       * @return {?}
       */
      overrideModule(ngModule, override) {
          this.assertNotInstantiated('overrideModule', 'override module metadata');
          this.compiler.overrideModule(ngModule, override);
      }
      /**
       * @param {?} component
       * @param {?} override
       * @return {?}
       */
      overrideComponent(component, override) {
          this.assertNotInstantiated('overrideComponent', 'override component metadata');
          this.compiler.overrideComponent(component, override);
      }
      /**
       * @param {?} component
       * @param {?} template
       * @return {?}
       */
      overrideTemplateUsingTestingModule(component, template) {
          this.assertNotInstantiated('R3TestBed.overrideTemplateUsingTestingModule', 'Cannot override template when the test module has already been instantiated');
          this.compiler.overrideTemplateUsingTestingModule(component, template);
      }
      /**
       * @param {?} directive
       * @param {?} override
       * @return {?}
       */
      overrideDirective(directive, override) {
          this.assertNotInstantiated('overrideDirective', 'override directive metadata');
          this.compiler.overrideDirective(directive, override);
      }
      /**
       * @param {?} pipe
       * @param {?} override
       * @return {?}
       */
      overridePipe(pipe, override) {
          this.assertNotInstantiated('overridePipe', 'override pipe metadata');
          this.compiler.overridePipe(pipe, override);
      }
      /**
       * Overwrites all providers for the given token with the given provider definition.
       * @param {?} token
       * @param {?} provider
       * @return {?}
       */
      overrideProvider(token, provider) {
          this.compiler.overrideProvider(token, provider);
      }
      /**
       * @template T
       * @param {?} type
       * @return {?}
       */
      createComponent(type) {
          /** @type {?} */
          const testComponentRenderer = this.get(TestComponentRenderer);
          /** @type {?} */
          const rootElId = `root-ng-internal-isolated-${_nextRootElementId++}`;
          testComponentRenderer.insertRootElement(rootElId);
          /** @nocollapse @type {?} */
          const componentDef = ((/** @type {?} */ (type))).ngComponentDef;
          if (!componentDef) {
              throw new Error(`It looks like '${ɵstringify(type)}' has not been IVY compiled - it has no 'ngComponentDef' field`);
          }
          // TODO: Don't cast as `any`, proper type is boolean[]
          /** @type {?} */
          const noNgZone = this.get((/** @type {?} */ (ComponentFixtureNoNgZone)), false);
          // TODO: Don't cast as `any`, proper type is boolean[]
          /** @type {?} */
          const autoDetect = this.get((/** @type {?} */ (ComponentFixtureAutoDetect)), false);
          /** @type {?} */
          const ngZone = noNgZone ? null : this.get((/** @type {?} */ (NgZone)), null);
          /** @type {?} */
          const componentFactory = new ɵRender3ComponentFactory(componentDef);
          /** @type {?} */
          const initComponent = (/**
           * @return {?}
           */
          () => {
              /** @type {?} */
              const componentRef = componentFactory.create(Injector.NULL, [], `#${rootElId}`, this.testModuleRef);
              return new ComponentFixture(componentRef, ngZone, autoDetect);
          });
          /** @type {?} */
          const fixture = ngZone ? ngZone.run(initComponent) : initComponent();
          this._activeFixtures.push(fixture);
          return fixture;
      }
      /**
       * @private
       * @return {?}
       */
      get compiler() {
          if (this._compiler === null) {
              throw new Error(`Need to call TestBed.initTestEnvironment() first`);
          }
          return this._compiler;
      }
      /**
       * @private
       * @return {?}
       */
      get testModuleRef() {
          if (this._testModuleRef === null) {
              this._testModuleRef = this.compiler.finalize();
          }
          return this._testModuleRef;
      }
      /**
       * @private
       * @param {?} methodName
       * @param {?} methodDescription
       * @return {?}
       */
      assertNotInstantiated(methodName, methodDescription) {
          if (this._testModuleRef !== null) {
              throw new Error(`Cannot ${methodDescription} when the test module has already been instantiated. ` +
                  `Make sure you are not using \`inject\` before \`${methodName}\`.`);
          }
      }
      /**
       * Check whether the module scoping queue should be flushed, and flush it if needed.
       *
       * When the TestBed is reset, it clears the JIT module compilation queue, cancelling any
       * in-progress module compilation. This creates a potential hazard - the very first time the
       * TestBed is initialized (or if it's reset without being initialized), there may be pending
       * compilations of modules declared in global scope. These compilations should be finished.
       *
       * To ensure that globally declared modules have their components scoped properly, this function
       * is called whenever TestBed is initialized or reset. The _first_ time that this happens, prior
       * to any other operations, the scoping queue is flushed.
       * @private
       * @return {?}
       */
      checkGlobalCompilationFinished() {
          // Checking _testNgModuleRef is null should not be necessary, but is left in as an additional
          // guard that compilations queued in tests (after instantiation) are never flushed accidentally.
          if (!this._globalCompilationChecked && this._testModuleRef === null) {
              ɵflushModuleScopingQueueAsMuchAsPossible();
          }
          this._globalCompilationChecked = true;
      }
      /**
       * @private
       * @return {?}
       */
      destroyActiveFixtures() {
          this._activeFixtures.forEach((/**
           * @param {?} fixture
           * @return {?}
           */
          (fixture) => {
              try {
                  fixture.destroy();
              }
              catch (e) {
                  console.error('Error during cleanup of component', {
                      component: fixture.componentInstance,
                      stacktrace: e,
                  });
              }
          }));
          this._activeFixtures = [];
      }
  }
  if (false) {
      /** @type {?} */
      TestBedRender3.prototype.platform;
      /** @type {?} */
      TestBedRender3.prototype.ngModule;
      /**
       * @type {?}
       * @private
       */
      TestBedRender3.prototype._compiler;
      /**
       * @type {?}
       * @private
       */
      TestBedRender3.prototype._testModuleRef;
      /**
       * @type {?}
       * @private
       */
      TestBedRender3.prototype._activeFixtures;
      /**
       * @type {?}
       * @private
       */
      TestBedRender3.prototype._globalCompilationChecked;
  }
  /** @type {?} */
  let testBed;
  /**
   * @return {?}
   */
  function _getTestBedRender3() {
      return testBed = testBed || new TestBedRender3();
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * @return {?}
   */
  function unimplemented() {
      throw Error('unimplemented');
  }
  /**
   * Special interface to the compiler only used by testing
   *
   * \@publicApi
   */
  class TestingCompiler extends Compiler {
      /**
       * @return {?}
       */
      get injector() { throw unimplemented(); }
      /**
       * @param {?} module
       * @param {?} overrides
       * @return {?}
       */
      overrideModule(module, overrides) {
          throw unimplemented();
      }
      /**
       * @param {?} directive
       * @param {?} overrides
       * @return {?}
       */
      overrideDirective(directive, overrides) {
          throw unimplemented();
      }
      /**
       * @param {?} component
       * @param {?} overrides
       * @return {?}
       */
      overrideComponent(component, overrides) {
          throw unimplemented();
      }
      /**
       * @param {?} directive
       * @param {?} overrides
       * @return {?}
       */
      overridePipe(directive, overrides) {
          throw unimplemented();
      }
      /**
       * Allows to pass the compile summary from AOT compilation to the JIT compiler,
       * so that it can use the code generated by AOT.
       * @param {?} summaries
       * @return {?}
       */
      loadAotSummaries(summaries) { throw unimplemented(); }
      /**
       * Gets the component factory for the given component.
       * This assumes that the component has been compiled before calling this call using
       * `compileModuleAndAllComponents*`.
       * @template T
       * @param {?} component
       * @return {?}
       */
      getComponentFactory(component) { throw unimplemented(); }
      /**
       * Returns the component type that is stored in the given error.
       * This can be used for errors created by compileModule...
       * @param {?} error
       * @return {?}
       */
      getComponentFromError(error) { throw unimplemented(); }
  }
  TestingCompiler.decorators = [
      { type: Injectable }
  ];
  /**
   * A factory for creating a Compiler
   *
   * \@publicApi
   * @abstract
   */
  class TestingCompilerFactory {
  }
  if (false) {
      /**
       * @abstract
       * @param {?=} options
       * @return {?}
       */
      TestingCompilerFactory.prototype.createTestingCompiler = function (options) { };
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /** @type {?} */
  const UNDEFINED$1 = new Object();
  /** @type {?} */
  let _nextRootElementId$1 = 0;
  // WARNING: interface has both a type and a value, skipping emit
  /**
   * \@description
   * Configures and initializes environment for unit testing and provides methods for
   * creating components and services in unit tests.
   *
   * `TestBed` is the primary api for writing unit tests for Angular applications and libraries.
   *
   * Note: Use `TestBed` in tests. It will be set to either `TestBedViewEngine` or `TestBedRender3`
   * according to the compiler used.
   */
  class TestBedViewEngine {
      constructor() {
          this._instantiated = false;
          this._compiler = (/** @type {?} */ (null));
          this._moduleRef = (/** @type {?} */ (null));
          this._moduleFactory = (/** @type {?} */ (null));
          this._compilerOptions = [];
          this._moduleOverrides = [];
          this._componentOverrides = [];
          this._directiveOverrides = [];
          this._pipeOverrides = [];
          this._providers = [];
          this._declarations = [];
          this._imports = [];
          this._schemas = [];
          this._activeFixtures = [];
          this._testEnvAotSummaries = (/**
           * @return {?}
           */
          () => []);
          this._aotSummaries = [];
          this._templateOverrides = [];
          this._isRoot = true;
          this._rootProviderOverrides = [];
          this.platform = (/** @type {?} */ (null));
          this.ngModule = (/** @type {?} */ (null));
      }
      /**
       * Initialize the environment for testing with a compiler factory, a PlatformRef, and an
       * angular module. These are common to every test in the suite.
       *
       * This may only be called once, to set up the common providers for the current test
       * suite on the current platform. If you absolutely need to change the providers,
       * first use `resetTestEnvironment`.
       *
       * Test modules and platforms for individual platforms are available from
       * '\@angular/<platform_name>/testing'.
       * @param {?} ngModule
       * @param {?} platform
       * @param {?=} aotSummaries
       * @return {?}
       */
      static initTestEnvironment(ngModule, platform, aotSummaries) {
          /** @type {?} */
          const testBed = _getTestBedViewEngine();
          testBed.initTestEnvironment(ngModule, platform, aotSummaries);
          return testBed;
      }
      /**
       * Reset the providers for the test injector.
       * @return {?}
       */
      static resetTestEnvironment() { _getTestBedViewEngine().resetTestEnvironment(); }
      /**
       * @return {?}
       */
      static resetTestingModule() {
          _getTestBedViewEngine().resetTestingModule();
          return (/** @type {?} */ ((/** @type {?} */ (TestBedViewEngine))));
      }
      /**
       * Allows overriding default compiler providers and settings
       * which are defined in test_injector.js
       * @param {?} config
       * @return {?}
       */
      static configureCompiler(config) {
          _getTestBedViewEngine().configureCompiler(config);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedViewEngine))));
      }
      /**
       * Allows overriding default providers, directives, pipes, modules of the test injector,
       * which are defined in test_injector.js
       * @param {?} moduleDef
       * @return {?}
       */
      static configureTestingModule(moduleDef) {
          _getTestBedViewEngine().configureTestingModule(moduleDef);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedViewEngine))));
      }
      /**
       * Compile components with a `templateUrl` for the test's NgModule.
       * It is necessary to call this function
       * as fetching urls is asynchronous.
       * @return {?}
       */
      static compileComponents() { return getTestBed().compileComponents(); }
      /**
       * @param {?} ngModule
       * @param {?} override
       * @return {?}
       */
      static overrideModule(ngModule, override) {
          _getTestBedViewEngine().overrideModule(ngModule, override);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedViewEngine))));
      }
      /**
       * @param {?} component
       * @param {?} override
       * @return {?}
       */
      static overrideComponent(component, override) {
          _getTestBedViewEngine().overrideComponent(component, override);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedViewEngine))));
      }
      /**
       * @param {?} directive
       * @param {?} override
       * @return {?}
       */
      static overrideDirective(directive, override) {
          _getTestBedViewEngine().overrideDirective(directive, override);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedViewEngine))));
      }
      /**
       * @param {?} pipe
       * @param {?} override
       * @return {?}
       */
      static overridePipe(pipe, override) {
          _getTestBedViewEngine().overridePipe(pipe, override);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedViewEngine))));
      }
      /**
       * @param {?} component
       * @param {?} template
       * @return {?}
       */
      static overrideTemplate(component, template) {
          _getTestBedViewEngine().overrideComponent(component, { set: { template, templateUrl: (/** @type {?} */ (null)) } });
          return (/** @type {?} */ ((/** @type {?} */ (TestBedViewEngine))));
      }
      /**
       * Overrides the template of the given component, compiling the template
       * in the context of the TestingModule.
       *
       * Note: This works for JIT and AOTed components as well.
       * @param {?} component
       * @param {?} template
       * @return {?}
       */
      static overrideTemplateUsingTestingModule(component, template) {
          _getTestBedViewEngine().overrideTemplateUsingTestingModule(component, template);
          return (/** @type {?} */ ((/** @type {?} */ (TestBedViewEngine))));
      }
      /**
       * @param {?} token
       * @param {?} provider
       * @return {?}
       */
      static overrideProvider(token, provider) {
          _getTestBedViewEngine().overrideProvider(token, (/** @type {?} */ (provider)));
          return (/** @type {?} */ ((/** @type {?} */ (TestBedViewEngine))));
      }
      /**
       * @param {?} token
       * @param {?=} notFoundValue
       * @param {?=} flags
       * @return {?}
       */
      static get(token, notFoundValue = Injector.THROW_IF_NOT_FOUND, flags = InjectFlags.Default) {
          return _getTestBedViewEngine().get(token, notFoundValue, flags);
      }
      /**
       * @template T
       * @param {?} component
       * @return {?}
       */
      static createComponent(component) {
          return _getTestBedViewEngine().createComponent(component);
      }
      /**
       * Initialize the environment for testing with a compiler factory, a PlatformRef, and an
       * angular module. These are common to every test in the suite.
       *
       * This may only be called once, to set up the common providers for the current test
       * suite on the current platform. If you absolutely need to change the providers,
       * first use `resetTestEnvironment`.
       *
       * Test modules and platforms for individual platforms are available from
       * '\@angular/<platform_name>/testing'.
       * @param {?} ngModule
       * @param {?} platform
       * @param {?=} aotSummaries
       * @return {?}
       */
      initTestEnvironment(ngModule, platform, aotSummaries) {
          if (this.platform || this.ngModule) {
              throw new Error('Cannot set base providers because it has already been called');
          }
          this.platform = platform;
          this.ngModule = ngModule;
          if (aotSummaries) {
              this._testEnvAotSummaries = aotSummaries;
          }
      }
      /**
       * Reset the providers for the test injector.
       * @return {?}
       */
      resetTestEnvironment() {
          this.resetTestingModule();
          this.platform = (/** @type {?} */ (null));
          this.ngModule = (/** @type {?} */ (null));
          this._testEnvAotSummaries = (/**
           * @return {?}
           */
          () => []);
      }
      /**
       * @return {?}
       */
      resetTestingModule() {
          ɵclearOverrides();
          this._aotSummaries = [];
          this._templateOverrides = [];
          this._compiler = (/** @type {?} */ (null));
          this._moduleOverrides = [];
          this._componentOverrides = [];
          this._directiveOverrides = [];
          this._pipeOverrides = [];
          this._isRoot = true;
          this._rootProviderOverrides = [];
          this._moduleRef = (/** @type {?} */ (null));
          this._moduleFactory = (/** @type {?} */ (null));
          this._compilerOptions = [];
          this._providers = [];
          this._declarations = [];
          this._imports = [];
          this._schemas = [];
          this._instantiated = false;
          this._activeFixtures.forEach((/**
           * @param {?} fixture
           * @return {?}
           */
          (fixture) => {
              try {
                  fixture.destroy();
              }
              catch (e) {
                  console.error('Error during cleanup of component', {
                      component: fixture.componentInstance,
                      stacktrace: e,
                  });
              }
          }));
          this._activeFixtures = [];
      }
      /**
       * @param {?} config
       * @return {?}
       */
      configureCompiler(config) {
          this._assertNotInstantiated('TestBed.configureCompiler', 'configure the compiler');
          this._compilerOptions.push(config);
      }
      /**
       * @param {?} moduleDef
       * @return {?}
       */
      configureTestingModule(moduleDef) {
          this._assertNotInstantiated('TestBed.configureTestingModule', 'configure the test module');
          if (moduleDef.providers) {
              this._providers.push(...moduleDef.providers);
          }
          if (moduleDef.declarations) {
              this._declarations.push(...moduleDef.declarations);
          }
          if (moduleDef.imports) {
              this._imports.push(...moduleDef.imports);
          }
          if (moduleDef.schemas) {
              this._schemas.push(...moduleDef.schemas);
          }
          if (moduleDef.aotSummaries) {
              this._aotSummaries.push(moduleDef.aotSummaries);
          }
      }
      /**
       * @return {?}
       */
      compileComponents() {
          if (this._moduleFactory || this._instantiated) {
              return Promise.resolve(null);
          }
          /** @type {?} */
          const moduleType = this._createCompilerAndModule();
          return this._compiler.compileModuleAndAllComponentsAsync(moduleType)
              .then((/**
           * @param {?} moduleAndComponentFactories
           * @return {?}
           */
          (moduleAndComponentFactories) => {
              this._moduleFactory = moduleAndComponentFactories.ngModuleFactory;
          }));
      }
      /**
       * @private
       * @return {?}
       */
      _initIfNeeded() {
          if (this._instantiated) {
              return;
          }
          if (!this._moduleFactory) {
              try {
                  /** @type {?} */
                  const moduleType = this._createCompilerAndModule();
                  this._moduleFactory =
                      this._compiler.compileModuleAndAllComponentsSync(moduleType).ngModuleFactory;
              }
              catch (e) {
                  /** @type {?} */
                  const errorCompType = this._compiler.getComponentFromError(e);
                  if (errorCompType) {
                      throw new Error(`This test module uses the component ${ɵstringify(errorCompType)} which is using a "templateUrl" or "styleUrls", but they were never compiled. ` +
                          `Please call "TestBed.compileComponents" before your test.`);
                  }
                  else {
                      throw e;
                  }
              }
          }
          for (const { component, templateOf } of this._templateOverrides) {
              /** @type {?} */
              const compFactory = this._compiler.getComponentFactory(templateOf);
              ɵoverrideComponentView(component, compFactory);
          }
          /** @type {?} */
          const ngZone = new NgZone({ enableLongStackTrace: true });
          /** @type {?} */
          const providers = [{ provide: NgZone, useValue: ngZone }];
          /** @type {?} */
          const ngZoneInjector = Injector.create({
              providers: providers,
              parent: this.platform.injector,
              name: this._moduleFactory.moduleType.name
          });
          this._moduleRef = this._moduleFactory.create(ngZoneInjector);
          // ApplicationInitStatus.runInitializers() is marked @internal to core. So casting to any
          // before accessing it.
          ((/** @type {?} */ (this._moduleRef.injector.get(ApplicationInitStatus)))).runInitializers();
          this._instantiated = true;
      }
      /**
       * @private
       * @return {?}
       */
      _createCompilerAndModule() {
          /** @type {?} */
          const providers = this._providers.concat([{ provide: TestBed, useValue: this }]);
          /** @type {?} */
          const declarations = [...this._declarations, ...this._templateOverrides.map((/**
               * @param {?} entry
               * @return {?}
               */
              entry => entry.templateOf))];
          /** @type {?} */
          const rootScopeImports = [];
          /** @type {?} */
          const rootProviderOverrides = this._rootProviderOverrides;
          if (this._isRoot) {
              class RootScopeModule {
              }
              RootScopeModule.decorators = [
                  { type: NgModule, args: [{
                              providers: [
                                  ...rootProviderOverrides,
                              ],
                              jit: true,
                          },] },
              ];
              rootScopeImports.push(RootScopeModule);
          }
          providers.push({ provide: ɵAPP_ROOT, useValue: this._isRoot });
          /** @type {?} */
          const imports = [rootScopeImports, this.ngModule, this._imports];
          /** @type {?} */
          const schemas = this._schemas;
          class DynamicTestModule {
          }
          DynamicTestModule.decorators = [
              { type: NgModule, args: [{ providers, declarations, imports, schemas, jit: true },] },
          ];
          /** @type {?} */
          const compilerFactory = this.platform.injector.get(TestingCompilerFactory);
          this._compiler = compilerFactory.createTestingCompiler(this._compilerOptions);
          for (const summary of [this._testEnvAotSummaries, ...this._aotSummaries]) {
              this._compiler.loadAotSummaries(summary);
          }
          this._moduleOverrides.forEach((/**
           * @param {?} entry
           * @return {?}
           */
          (entry) => this._compiler.overrideModule(entry[0], entry[1])));
          this._componentOverrides.forEach((/**
           * @param {?} entry
           * @return {?}
           */
          (entry) => this._compiler.overrideComponent(entry[0], entry[1])));
          this._directiveOverrides.forEach((/**
           * @param {?} entry
           * @return {?}
           */
          (entry) => this._compiler.overrideDirective(entry[0], entry[1])));
          this._pipeOverrides.forEach((/**
           * @param {?} entry
           * @return {?}
           */
          (entry) => this._compiler.overridePipe(entry[0], entry[1])));
          return DynamicTestModule;
      }
      /**
       * @private
       * @param {?} methodName
       * @param {?} methodDescription
       * @return {?}
       */
      _assertNotInstantiated(methodName, methodDescription) {
          if (this._instantiated) {
              throw new Error(`Cannot ${methodDescription} when the test module has already been instantiated. ` +
                  `Make sure you are not using \`inject\` before \`${methodName}\`.`);
          }
      }
      /**
       * @param {?} token
       * @param {?=} notFoundValue
       * @param {?=} flags
       * @return {?}
       */
      get(token, notFoundValue = Injector.THROW_IF_NOT_FOUND, flags = InjectFlags.Default) {
          this._initIfNeeded();
          if (token === TestBed) {
              return this;
          }
          // Tests can inject things from the ng module and from the compiler,
          // but the ng module can't inject things from the compiler and vice versa.
          /** @type {?} */
          const result = this._moduleRef.injector.get(token, UNDEFINED$1, flags);
          return result === UNDEFINED$1 ? this._compiler.injector.get(token, notFoundValue, flags) : result;
      }
      /**
       * @param {?} tokens
       * @param {?} fn
       * @param {?=} context
       * @return {?}
       */
      execute(tokens, fn, context) {
          this._initIfNeeded();
          /** @type {?} */
          const params = tokens.map((/**
           * @param {?} t
           * @return {?}
           */
          t => this.get(t)));
          return fn.apply(context, params);
      }
      /**
       * @param {?} ngModule
       * @param {?} override
       * @return {?}
       */
      overrideModule(ngModule, override) {
          this._assertNotInstantiated('overrideModule', 'override module metadata');
          this._moduleOverrides.push([ngModule, override]);
      }
      /**
       * @param {?} component
       * @param {?} override
       * @return {?}
       */
      overrideComponent(component, override) {
          this._assertNotInstantiated('overrideComponent', 'override component metadata');
          this._componentOverrides.push([component, override]);
      }
      /**
       * @param {?} directive
       * @param {?} override
       * @return {?}
       */
      overrideDirective(directive, override) {
          this._assertNotInstantiated('overrideDirective', 'override directive metadata');
          this._directiveOverrides.push([directive, override]);
      }
      /**
       * @param {?} pipe
       * @param {?} override
       * @return {?}
       */
      overridePipe(pipe, override) {
          this._assertNotInstantiated('overridePipe', 'override pipe metadata');
          this._pipeOverrides.push([pipe, override]);
      }
      /**
       * @param {?} token
       * @param {?} provider
       * @return {?}
       */
      overrideProvider(token, provider) {
          this.overrideProviderImpl(token, provider);
      }
      /**
       * @private
       * @param {?} token
       * @param {?} provider
       * @param {?=} deprecated
       * @return {?}
       */
      overrideProviderImpl(token, provider, deprecated = false) {
          /** @type {?} */
          let def = null;
          if (typeof token !== 'string' && (def = ɵgetInjectableDef(token)) && def.providedIn === 'root') {
              if (provider.useFactory) {
                  this._rootProviderOverrides.push({ provide: token, useFactory: provider.useFactory, deps: provider.deps || [] });
              }
              else {
                  this._rootProviderOverrides.push({ provide: token, useValue: provider.useValue });
              }
          }
          /** @type {?} */
          let flags = 0;
          /** @type {?} */
          let value;
          if (provider.useFactory) {
              flags |= 1024 /* TypeFactoryProvider */;
              value = provider.useFactory;
          }
          else {
              flags |= 256 /* TypeValueProvider */;
              value = provider.useValue;
          }
          /** @type {?} */
          const deps = (provider.deps || []).map((/**
           * @param {?} dep
           * @return {?}
           */
          (dep) => {
              /** @type {?} */
              let depFlags = 0 /* None */;
              /** @type {?} */
              let depToken;
              if (Array.isArray(dep)) {
                  dep.forEach((/**
                   * @param {?} entry
                   * @return {?}
                   */
                  (entry) => {
                      if (entry instanceof Optional) {
                          depFlags |= 2 /* Optional */;
                      }
                      else if (entry instanceof SkipSelf) {
                          depFlags |= 1 /* SkipSelf */;
                      }
                      else {
                          depToken = entry;
                      }
                  }));
              }
              else {
                  depToken = dep;
              }
              return [depFlags, depToken];
          }));
          ɵoverrideProvider({ token, flags, deps, value, deprecatedBehavior: deprecated });
      }
      /**
       * @param {?} component
       * @param {?} template
       * @return {?}
       */
      overrideTemplateUsingTestingModule(component, template) {
          this._assertNotInstantiated('overrideTemplateUsingTestingModule', 'override template');
          class OverrideComponent {
          }
          OverrideComponent.decorators = [
              { type: Component, args: [{ selector: 'empty', template, jit: true },] },
          ];
          this._templateOverrides.push({ component, templateOf: OverrideComponent });
      }
      /**
       * @template T
       * @param {?} component
       * @return {?}
       */
      createComponent(component) {
          this._initIfNeeded();
          /** @type {?} */
          const componentFactory = this._compiler.getComponentFactory(component);
          if (!componentFactory) {
              throw new Error(`Cannot create the component ${ɵstringify(component)} as it was not imported into the testing module!`);
          }
          // TODO: Don't cast as `any`, proper type is boolean[]
          /** @type {?} */
          const noNgZone = this.get((/** @type {?} */ (ComponentFixtureNoNgZone)), false);
          // TODO: Don't cast as `any`, proper type is boolean[]
          /** @type {?} */
          const autoDetect = this.get((/** @type {?} */ (ComponentFixtureAutoDetect)), false);
          /** @type {?} */
          const ngZone = noNgZone ? null : this.get((/** @type {?} */ (NgZone)), null);
          /** @type {?} */
          const testComponentRenderer = this.get(TestComponentRenderer);
          /** @type {?} */
          const rootElId = `root${_nextRootElementId$1++}`;
          testComponentRenderer.insertRootElement(rootElId);
          /** @type {?} */
          const initComponent = (/**
           * @return {?}
           */
          () => {
              /** @type {?} */
              const componentRef = componentFactory.create(Injector.NULL, [], `#${rootElId}`, this._moduleRef);
              return new ComponentFixture(componentRef, ngZone, autoDetect);
          });
          /** @type {?} */
          const fixture = !ngZone ? initComponent() : ngZone.run(initComponent);
          this._activeFixtures.push(fixture);
          return fixture;
      }
  }
  if (false) {
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._instantiated;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._compiler;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._moduleRef;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._moduleFactory;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._compilerOptions;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._moduleOverrides;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._componentOverrides;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._directiveOverrides;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._pipeOverrides;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._providers;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._declarations;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._imports;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._schemas;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._activeFixtures;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._testEnvAotSummaries;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._aotSummaries;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._templateOverrides;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._isRoot;
      /**
       * @type {?}
       * @private
       */
      TestBedViewEngine.prototype._rootProviderOverrides;
      /** @type {?} */
      TestBedViewEngine.prototype.platform;
      /** @type {?} */
      TestBedViewEngine.prototype.ngModule;
  }
  /**
   * \@description
   * Configures and initializes environment for unit testing and provides methods for
   * creating components and services in unit tests.
   *
   * `TestBed` is the primary api for writing unit tests for Angular applications and libraries.
   *
   * Note: Use `TestBed` in tests. It will be set to either `TestBedViewEngine` or `TestBedRender3`
   * according to the compiler used.
   *
   * \@publicApi
   * @type {?}
   */
  const TestBed = ɵivyEnabled ? (/** @type {?} */ ((/** @type {?} */ (TestBedRender3)))) : (/** @type {?} */ ((/** @type {?} */ (TestBedViewEngine))));
  /**
   * Returns a singleton of the applicable `TestBed`.
   *
   * It will be either an instance of `TestBedViewEngine` or `TestBedRender3`.
   *
   * \@publicApi
   * @type {?}
   */
  const getTestBed = ɵivyEnabled ? _getTestBedRender3 : _getTestBedViewEngine;
  /** @type {?} */
  let testBed$1;
  /**
   * @return {?}
   */
  function _getTestBedViewEngine() {
      return testBed$1 = testBed$1 || new TestBedViewEngine();
  }
  /**
   * Allows injecting dependencies in `beforeEach()` and `it()`.
   *
   * Example:
   *
   * ```
   * beforeEach(inject([Dependency, AClass], (dep, object) => {
   *   // some code that uses `dep` and `object`
   *   // ...
   * }));
   *
   * it('...', inject([AClass], (object) => {
   *   object.doSomething();
   *   expect(...);
   * })
   * ```
   *
   * Notes:
   * - inject is currently a function because of some Traceur limitation the syntax should
   * eventually
   *   becomes `it('...', \@Inject (object: AClass, async: AsyncTestCompleter) => { ... });`
   *
   * \@publicApi
   * @param {?} tokens
   * @param {?} fn
   * @return {?}
   */
  function inject(tokens, fn) {
      /** @type {?} */
      const testBed = getTestBed();
      if (tokens.indexOf(AsyncTestCompleter) >= 0) {
          // Not using an arrow function to preserve context passed from call site
          return (/**
           * @this {?}
           * @return {?}
           */
          function () {
              // Return an async test method that returns a Promise if AsyncTestCompleter is one of
              // the injected tokens.
              return testBed.compileComponents().then((/**
               * @return {?}
               */
              () => {
                  /** @type {?} */
                  const completer = testBed.get(AsyncTestCompleter);
                  testBed.execute(tokens, fn, this);
                  return completer.promise;
              }));
          });
      }
      else {
          // Not using an arrow function to preserve context passed from call site
          return (/**
           * @this {?}
           * @return {?}
           */
          function () { return testBed.execute(tokens, fn, this); });
      }
  }
  /**
   * \@publicApi
   */
  class InjectSetupWrapper {
      /**
       * @param {?} _moduleDef
       */
      constructor(_moduleDef) {
          this._moduleDef = _moduleDef;
      }
      /**
       * @private
       * @return {?}
       */
      _addModule() {
          /** @type {?} */
          const moduleDef = this._moduleDef();
          if (moduleDef) {
              getTestBed().configureTestingModule(moduleDef);
          }
      }
      /**
       * @param {?} tokens
       * @param {?} fn
       * @return {?}
       */
      inject(tokens, fn) {
          /** @type {?} */
          const self = this;
          // Not using an arrow function to preserve context passed from call site
          return (/**
           * @this {?}
           * @return {?}
           */
          function () {
              self._addModule();
              return inject(tokens, fn).call(this);
          });
      }
  }
  if (false) {
      /**
       * @type {?}
       * @private
       */
      InjectSetupWrapper.prototype._moduleDef;
  }
  /**
   * @param {?} moduleDef
   * @param {?=} fn
   * @return {?}
   */
  function withModule(moduleDef, fn) {
      if (fn) {
          // Not using an arrow function to preserve context passed from call site
          return (/**
           * @this {?}
           * @return {?}
           */
          function () {
              /** @type {?} */
              const testBed = getTestBed();
              if (moduleDef) {
                  testBed.configureTestingModule(moduleDef);
              }
              return fn.apply(this);
          });
      }
      return new InjectSetupWrapper((/**
       * @return {?}
       */
      () => moduleDef));
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /** @type {?} */
  const _global$1 = (/** @type {?} */ ((typeof window === 'undefined' ? global : window)));
  // Reset the test providers and the fake async zone before each test.
  if (_global$1.beforeEach) {
      _global$1.beforeEach((/**
       * @return {?}
       */
      () => {
          TestBed.resetTestingModule();
          resetFakeAsyncZone();
      }));
  }
  // TODO(juliemr): remove this, only used because we need to export something to have compilation
  // work.
  /** @type {?} */
  const __core_private_testing_placeholder__ = '';
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * @license
   * Copyright 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 https://angular.io/license
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * Generated bundle index. Do not edit.
   */
  
  export { TestBedRender3 as ɵangular_packages_core_testing_testing_b, _getTestBedRender3 as ɵangular_packages_core_testing_testing_c, TestBedViewEngine as ɵangular_packages_core_testing_testing_a, TestBed, getTestBed, inject, InjectSetupWrapper, withModule, MetadataOverrider as ɵMetadataOverrider, async, ComponentFixture, resetFakeAsyncZone, fakeAsync, tick, flush, discardPeriodicTasks, flushMicrotasks, TestComponentRenderer, ComponentFixtureAutoDetect, ComponentFixtureNoNgZone, __core_private_testing_placeholder__, TestingCompiler as ɵTestingCompiler, TestingCompilerFactory as ɵTestingCompilerFactory };
  //# sourceMappingURL=testing.js.map
  