text: /**
   * @license
   * Copyright Google LLC 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
   */
  (function (global, factory) {
  	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/animations'), require('@angular/material/core'), require('@angular/cdk/portal'), require('@angular/cdk/layout'), require('@angular/common'), require('@angular/cdk/a11y'), require('@angular/cdk/overlay'), require('@angular/cdk/keycodes'), require('rxjs'), require('rxjs/operators'), require('@angular/cdk/bidi')) :
  	typeof define === 'function' && define.amd ? define('@angular/material/bottomSheet', ['exports', '@angular/core', '@angular/animations', '@angular/material/core', '@angular/cdk/portal', '@angular/cdk/layout', '@angular/common', '@angular/cdk/a11y', '@angular/cdk/overlay', '@angular/cdk/keycodes', 'rxjs', 'rxjs/operators', '@angular/cdk/bidi'], factory) :
  	(factory((global.ng = global.ng || {}, global.ng.material = global.ng.material || {}, global.ng.material.bottomSheet = {}),global.ng.core,global.ng.animations,global.ng.material.core,global.ng.cdk.portal,global.ng.cdk.layout,global.ng.common,global.ng.cdk.a11y,global.ng.cdk.overlay,global.ng.cdk.keycodes,global.rxjs,global.rxjs.operators,global.ng.cdk.bidi));
  }(this, (function (exports,core,animations,core$1,portal,layout,common,a11y,overlay,keycodes,rxjs,operators,bidi) { 'use strict';
  
  /*! *****************************************************************************
  Copyright (c) Microsoft Corporation. All rights reserved.
  Licensed under the Apache License, Version 2.0 (the "License"); you may not use
  this file except in compliance with the License. You may obtain a copy of the
  License at http://www.apache.org/licenses/LICENSE-2.0
  
  THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
  WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
  MERCHANTABLITY OR NON-INFRINGEMENT.
  
  See the Apache Version 2.0 License for specific language governing permissions
  and limitations under the License.
  ***************************************************************************** */
  /* global Reflect, Promise */
  
  var extendStatics = function(d, b) {
      extendStatics = Object.setPrototypeOf ||
          ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
          function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
      return extendStatics(d, b);
  };
  
  function __extends(d, b) {
      extendStatics(d, b);
      function __() { this.constructor = d; }
      d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  }
  
  var __assign = function() {
      __assign = Object.assign || function __assign(t) {
          for (var s, i = 1, n = arguments.length; i < n; i++) {
              s = arguments[i];
              for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
          }
          return t;
      };
      return __assign.apply(this, arguments);
  };
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
   */
  /** *
   * Injection token that can be used to access the data that was passed in to a bottom sheet.
    @type {?} */
  var MAT_BOTTOM_SHEET_DATA = new core.InjectionToken('MatBottomSheetData');
  /**
   * Configuration used when opening a bottom sheet.
   * @template D
   */
  var   /**
   * Configuration used when opening a bottom sheet.
   * @template D
   */
  MatBottomSheetConfig = /** @class */ (function () {
      function MatBottomSheetConfig() {
          /**
           * Data being injected into the child component.
           */
          this.data = null;
          /**
           * Whether the bottom sheet has a backdrop.
           */
          this.hasBackdrop = true;
          /**
           * Whether the user can use escape or clicking outside to close the bottom sheet.
           */
          this.disableClose = false;
          /**
           * Aria label to assign to the bottom sheet element.
           */
          this.ariaLabel = null;
          /**
           * Whether the bottom sheet should close when the user goes backwards/forwards in history.
           * Note that this usually doesn't include clicking on links (unless the user is using
           * the `HashLocationStrategy`).
           */
          this.closeOnNavigation = true;
          /**
           * Whether the bottom sheet should focus the first focusable element on open.
           */
          this.autoFocus = true;
      }
      return MatBottomSheetConfig;
  }());
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
   */
  /** *
   * Animations used by the Material bottom sheet.
    @type {?} */
  var matBottomSheetAnimations = {
      /** Animation that shows and hides a bottom sheet. */
      bottomSheetState: animations.trigger('state', [
          animations.state('void, hidden', animations.style({ transform: 'translateY(100%)' })),
          animations.state('visible', animations.style({ transform: 'translateY(0%)' })),
          animations.transition('visible => void, visible => hidden', animations.animate(core$1.AnimationDurations.COMPLEX + " " + core$1.AnimationCurves.ACCELERATION_CURVE)),
          animations.transition('void => visible', animations.group([
              // `animateChild` allows for child component to animate at the same time. See #13870.
              animations.query('@*', animations.animateChild(), { optional: true }),
              animations.animate(core$1.AnimationDurations.EXITING + " " + core$1.AnimationCurves.DECELERATION_CURVE),
          ]))
      ])
  };
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
   */
  /**
   * Internal component that wraps user-provided bottom sheet content.
   * \@docs-private
   */
  var MatBottomSheetContainer = /** @class */ (function (_super) {
      __extends(MatBottomSheetContainer, _super);
      function MatBottomSheetContainer(_elementRef, _changeDetectorRef, _focusTrapFactory, breakpointObserver, document, bottomSheetConfig) {
          var _this = _super.call(this) || this;
          _this._elementRef = _elementRef;
          _this._changeDetectorRef = _changeDetectorRef;
          _this._focusTrapFactory = _focusTrapFactory;
          _this.bottomSheetConfig = bottomSheetConfig;
          /**
           * The state of the bottom sheet animations.
           */
          _this._animationState = 'void';
          /**
           * Emits whenever the state of the animation changes.
           */
          _this._animationStateChanged = new core.EventEmitter();
          /**
           * Element that was focused before the bottom sheet was opened.
           */
          _this._elementFocusedBeforeOpened = null;
          _this._document = document;
          _this._breakpointSubscription = breakpointObserver
              .observe([layout.Breakpoints.Medium, layout.Breakpoints.Large, layout.Breakpoints.XLarge])
              .subscribe(function () {
              _this._toggleClass('mat-bottom-sheet-container-medium', breakpointObserver.isMatched(layout.Breakpoints.Medium));
              _this._toggleClass('mat-bottom-sheet-container-large', breakpointObserver.isMatched(layout.Breakpoints.Large));
              _this._toggleClass('mat-bottom-sheet-container-xlarge', breakpointObserver.isMatched(layout.Breakpoints.XLarge));
          });
          return _this;
      }
      /** Attach a component portal as content to this bottom sheet container. */
      /**
       * Attach a component portal as content to this bottom sheet container.
       * @template T
       * @param {?} portal
       * @return {?}
       */
      MatBottomSheetContainer.prototype.attachComponentPortal = /**
       * Attach a component portal as content to this bottom sheet container.
       * @template T
       * @param {?} portal
       * @return {?}
       */
      function (portal$$1) {
          this._validatePortalAttached();
          this._setPanelClass();
          this._savePreviouslyFocusedElement();
          return this._portalOutlet.attachComponentPortal(portal$$1);
      };
      /** Attach a template portal as content to this bottom sheet container. */
      /**
       * Attach a template portal as content to this bottom sheet container.
       * @template C
       * @param {?} portal
       * @return {?}
       */
      MatBottomSheetContainer.prototype.attachTemplatePortal = /**
       * Attach a template portal as content to this bottom sheet container.
       * @template C
       * @param {?} portal
       * @return {?}
       */
      function (portal$$1) {
          this._validatePortalAttached();
          this._setPanelClass();
          this._savePreviouslyFocusedElement();
          return this._portalOutlet.attachTemplatePortal(portal$$1);
      };
      /** Begin animation of bottom sheet entrance into view. */
      /**
       * Begin animation of bottom sheet entrance into view.
       * @return {?}
       */
      MatBottomSheetContainer.prototype.enter = /**
       * Begin animation of bottom sheet entrance into view.
       * @return {?}
       */
      function () {
          if (!this._destroyed) {
              this._animationState = 'visible';
              this._changeDetectorRef.detectChanges();
          }
      };
      /** Begin animation of the bottom sheet exiting from view. */
      /**
       * Begin animation of the bottom sheet exiting from view.
       * @return {?}
       */
      MatBottomSheetContainer.prototype.exit = /**
       * Begin animation of the bottom sheet exiting from view.
       * @return {?}
       */
      function () {
          if (!this._destroyed) {
              this._animationState = 'hidden';
              this._changeDetectorRef.markForCheck();
          }
      };
      /**
       * @return {?}
       */
      MatBottomSheetContainer.prototype.ngOnDestroy = /**
       * @return {?}
       */
      function () {
          this._breakpointSubscription.unsubscribe();
          this._destroyed = true;
      };
      /**
       * @param {?} event
       * @return {?}
       */
      MatBottomSheetContainer.prototype._onAnimationDone = /**
       * @param {?} event
       * @return {?}
       */
      function (event) {
          if (event.toState === 'hidden') {
              this._restoreFocus();
          }
          else if (event.toState === 'visible' && this.bottomSheetConfig.autoFocus) {
              this._trapFocus();
          }
          this._animationStateChanged.emit(event);
      };
      /**
       * @param {?} event
       * @return {?}
       */
      MatBottomSheetContainer.prototype._onAnimationStart = /**
       * @param {?} event
       * @return {?}
       */
      function (event) {
          this._animationStateChanged.emit(event);
      };
      /**
       * @param {?} cssClass
       * @param {?} add
       * @return {?}
       */
      MatBottomSheetContainer.prototype._toggleClass = /**
       * @param {?} cssClass
       * @param {?} add
       * @return {?}
       */
      function (cssClass, add) {
          /** @type {?} */
          var classList = this._elementRef.nativeElement.classList;
          add ? classList.add(cssClass) : classList.remove(cssClass);
      };
      /**
       * @return {?}
       */
      MatBottomSheetContainer.prototype._validatePortalAttached = /**
       * @return {?}
       */
      function () {
          if (this._portalOutlet.hasAttached()) {
              throw Error('Attempting to attach bottom sheet content after content is already attached');
          }
      };
      /**
       * @return {?}
       */
      MatBottomSheetContainer.prototype._setPanelClass = /**
       * @return {?}
       */
      function () {
          /** @type {?} */
          var element = this._elementRef.nativeElement;
          /** @type {?} */
          var panelClass = this.bottomSheetConfig.panelClass;
          if (Array.isArray(panelClass)) {
              // Note that we can't use a spread here, because IE doesn't support multiple arguments.
              panelClass.forEach(function (cssClass) { return element.classList.add(cssClass); });
          }
          else if (panelClass) {
              element.classList.add(panelClass);
          }
      };
      /**
       * Moves the focus inside the focus trap.
       * @return {?}
       */
      MatBottomSheetContainer.prototype._trapFocus = /**
       * Moves the focus inside the focus trap.
       * @return {?}
       */
      function () {
          if (!this._focusTrap) {
              this._focusTrap = this._focusTrapFactory.create(this._elementRef.nativeElement);
          }
          this._focusTrap.focusInitialElementWhenReady();
      };
      /**
       * Restores focus to the element that was focused before the bottom sheet opened.
       * @return {?}
       */
      MatBottomSheetContainer.prototype._restoreFocus = /**
       * Restores focus to the element that was focused before the bottom sheet opened.
       * @return {?}
       */
      function () {
          /** @type {?} */
          var toFocus = this._elementFocusedBeforeOpened;
          // We need the extra check, because IE can set the `activeElement` to null in some cases.
          if (toFocus && typeof toFocus.focus === 'function') {
              toFocus.focus();
          }
          if (this._focusTrap) {
              this._focusTrap.destroy();
          }
      };
      /**
       * Saves a reference to the element that was focused before the bottom sheet was opened.
       * @return {?}
       */
      MatBottomSheetContainer.prototype._savePreviouslyFocusedElement = /**
       * Saves a reference to the element that was focused before the bottom sheet was opened.
       * @return {?}
       */
      function () {
          var _this = this;
          this._elementFocusedBeforeOpened = /** @type {?} */ (this._document.activeElement);
          // The `focus` method isn't available during server-side rendering.
          if (this._elementRef.nativeElement.focus) {
              Promise.resolve().then(function () { return _this._elementRef.nativeElement.focus(); });
          }
      };
      MatBottomSheetContainer.decorators = [
          { type: core.Component, args: [{selector: 'mat-bottom-sheet-container',
                      template: "<ng-template cdkPortalOutlet></ng-template>",
                      styles: [".mat-bottom-sheet-container{padding:8px 16px;min-width:100vw;box-sizing:border-box;display:block;outline:0;max-height:80vh;overflow:auto}@media screen and (-ms-high-contrast:active){.mat-bottom-sheet-container{outline:1px solid}}.mat-bottom-sheet-container-large,.mat-bottom-sheet-container-medium,.mat-bottom-sheet-container-xlarge{border-top-left-radius:4px;border-top-right-radius:4px}.mat-bottom-sheet-container-medium{min-width:384px;max-width:calc(100vw - 128px)}.mat-bottom-sheet-container-large{min-width:512px;max-width:calc(100vw - 256px)}.mat-bottom-sheet-container-xlarge{min-width:576px;max-width:calc(100vw - 384px)}"],
                      changeDetection: core.ChangeDetectionStrategy.OnPush,
                      encapsulation: core.ViewEncapsulation.None,
                      animations: [matBottomSheetAnimations.bottomSheetState],
                      host: {
                          'class': 'mat-bottom-sheet-container',
                          'tabindex': '-1',
                          'role': 'dialog',
                          'aria-modal': 'true',
                          '[attr.aria-label]': 'bottomSheetConfig?.ariaLabel',
                          '[@state]': '_animationState',
                          '(@state.start)': '_onAnimationStart($event)',
                          '(@state.done)': '_onAnimationDone($event)'
                      },
                  },] },
      ];
      /** @nocollapse */
      MatBottomSheetContainer.ctorParameters = function () { return [
          { type: core.ElementRef },
          { type: core.ChangeDetectorRef },
          { type: a11y.FocusTrapFactory },
          { type: layout.BreakpointObserver },
          { type: undefined, decorators: [{ type: core.Optional }, { type: core.Inject, args: [common.DOCUMENT,] }] },
          { type: MatBottomSheetConfig }
      ]; };
      MatBottomSheetContainer.propDecorators = {
          _portalOutlet: [{ type: core.ViewChild, args: [portal.CdkPortalOutlet,] }]
      };
      return MatBottomSheetContainer;
  }(portal.BasePortalOutlet));
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
   */
  var MatBottomSheetModule = /** @class */ (function () {
      function MatBottomSheetModule() {
      }
      MatBottomSheetModule.decorators = [
          { type: core.NgModule, args: [{
                      imports: [
                          common.CommonModule,
                          overlay.OverlayModule,
                          core$1.MatCommonModule,
                          portal.PortalModule,
                      ],
                      exports: [MatBottomSheetContainer, core$1.MatCommonModule],
                      declarations: [MatBottomSheetContainer],
                      entryComponents: [MatBottomSheetContainer],
                  },] },
      ];
      return MatBottomSheetModule;
  }());
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
   */
  /**
   * Reference to a bottom sheet dispatched from the bottom sheet service.
   * @template T, R
   */
  var   /**
   * Reference to a bottom sheet dispatched from the bottom sheet service.
   * @template T, R
   */
  MatBottomSheetRef = /** @class */ (function () {
      function MatBottomSheetRef(containerInstance, _overlayRef, 
      // @breaking-change 8.0.0 `_location` parameter to be removed.
      _location) {
          var _this = this;
          this._overlayRef = _overlayRef;
          /**
           * Subject for notifying the user that the bottom sheet has been dismissed.
           */
          this._afterDismissed = new rxjs.Subject();
          /**
           * Subject for notifying the user that the bottom sheet has opened and appeared.
           */
          this._afterOpened = new rxjs.Subject();
          this.containerInstance = containerInstance;
          // Emit when opening animation completes
          containerInstance._animationStateChanged.pipe(operators.filter(function (event) { return event.phaseName === 'done' && event.toState === 'visible'; }), operators.take(1))
              .subscribe(function () {
              _this._afterOpened.next();
              _this._afterOpened.complete();
          });
          // Dispose overlay when closing animation is complete
          containerInstance._animationStateChanged.pipe(operators.filter(function (event) { return event.phaseName === 'done' && event.toState === 'hidden'; }), operators.take(1))
              .subscribe(function () {
              _this._overlayRef.dispose();
              _this._afterDismissed.next(_this._result);
              _this._afterDismissed.complete();
          });
          if (!containerInstance.bottomSheetConfig.disableClose) {
              rxjs.merge(_overlayRef.backdropClick(), _overlayRef.keydownEvents().pipe(operators.filter(function (event) { return event.keyCode === keycodes.ESCAPE; }))).subscribe(function () { return _this.dismiss(); });
          }
      }
      /**
       * Dismisses the bottom sheet.
       * @param result Data to be passed back to the bottom sheet opener.
       */
      /**
       * Dismisses the bottom sheet.
       * @param {?=} result Data to be passed back to the bottom sheet opener.
       * @return {?}
       */
      MatBottomSheetRef.prototype.dismiss = /**
       * Dismisses the bottom sheet.
       * @param {?=} result Data to be passed back to the bottom sheet opener.
       * @return {?}
       */
      function (result) {
          var _this = this;
          if (!this._afterDismissed.closed) {
              // Transition the backdrop in parallel to the bottom sheet.
              this.containerInstance._animationStateChanged.pipe(operators.filter(function (event) { return event.phaseName === 'start'; }), operators.take(1)).subscribe(function () { return _this._overlayRef.detachBackdrop(); });
              this._result = result;
              this.containerInstance.exit();
          }
      };
      /** Gets an observable that is notified when the bottom sheet is finished closing. */
      /**
       * Gets an observable that is notified when the bottom sheet is finished closing.
       * @return {?}
       */
      MatBottomSheetRef.prototype.afterDismissed = /**
       * Gets an observable that is notified when the bottom sheet is finished closing.
       * @return {?}
       */
      function () {
          return this._afterDismissed.asObservable();
      };
      /** Gets an observable that is notified when the bottom sheet has opened and appeared. */
      /**
       * Gets an observable that is notified when the bottom sheet has opened and appeared.
       * @return {?}
       */
      MatBottomSheetRef.prototype.afterOpened = /**
       * Gets an observable that is notified when the bottom sheet has opened and appeared.
       * @return {?}
       */
      function () {
          return this._afterOpened.asObservable();
      };
      /**
       * Gets an observable that emits when the overlay's backdrop has been clicked.
       */
      /**
       * Gets an observable that emits when the overlay's backdrop has been clicked.
       * @return {?}
       */
      MatBottomSheetRef.prototype.backdropClick = /**
       * Gets an observable that emits when the overlay's backdrop has been clicked.
       * @return {?}
       */
      function () {
          return this._overlayRef.backdropClick();
      };
      /**
       * Gets an observable that emits when keydown events are targeted on the overlay.
       */
      /**
       * Gets an observable that emits when keydown events are targeted on the overlay.
       * @return {?}
       */
      MatBottomSheetRef.prototype.keydownEvents = /**
       * Gets an observable that emits when keydown events are targeted on the overlay.
       * @return {?}
       */
      function () {
          return this._overlayRef.keydownEvents();
      };
      return MatBottomSheetRef;
  }());
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
   */
  /** *
   * Injection token that can be used to specify default bottom sheet options.
    @type {?} */
  var MAT_BOTTOM_SHEET_DEFAULT_OPTIONS = new core.InjectionToken('mat-bottom-sheet-default-options');
  /**
   * Service to trigger Material Design bottom sheets.
   */
  var MatBottomSheet = /** @class */ (function () {
      function MatBottomSheet(_overlay, _injector, _parentBottomSheet, _location, _defaultOptions) {
          this._overlay = _overlay;
          this._injector = _injector;
          this._parentBottomSheet = _parentBottomSheet;
          this._location = _location;
          this._defaultOptions = _defaultOptions;
          this._bottomSheetRefAtThisLevel = null;
      }
      Object.defineProperty(MatBottomSheet.prototype, "_openedBottomSheetRef", {
          /** Reference to the currently opened bottom sheet. */
          get: /**
           * Reference to the currently opened bottom sheet.
           * @return {?}
           */
          function () {
              /** @type {?} */
              var parent = this._parentBottomSheet;
              return parent ? parent._openedBottomSheetRef : this._bottomSheetRefAtThisLevel;
          },
          set: /**
           * @param {?} value
           * @return {?}
           */
          function (value) {
              if (this._parentBottomSheet) {
                  this._parentBottomSheet._openedBottomSheetRef = value;
              }
              else {
                  this._bottomSheetRefAtThisLevel = value;
              }
          },
          enumerable: true,
          configurable: true
      });
      /**
       * @template T, D, R
       * @param {?} componentOrTemplateRef
       * @param {?=} config
       * @return {?}
       */
      MatBottomSheet.prototype.open = /**
       * @template T, D, R
       * @param {?} componentOrTemplateRef
       * @param {?=} config
       * @return {?}
       */
      function (componentOrTemplateRef, config) {
          var _this = this;
          /** @type {?} */
          var _config = _applyConfigDefaults(this._defaultOptions || new MatBottomSheetConfig(), config);
          /** @type {?} */
          var overlayRef = this._createOverlay(_config);
          /** @type {?} */
          var container = this._attachContainer(overlayRef, _config);
          /** @type {?} */
          var ref = new MatBottomSheetRef(container, overlayRef, this._location);
          if (componentOrTemplateRef instanceof core.TemplateRef) {
              container.attachTemplatePortal(new portal.TemplatePortal(componentOrTemplateRef, /** @type {?} */ ((null)), /** @type {?} */ ({
                  $implicit: _config.data,
                  bottomSheetRef: ref
              })));
          }
          else {
              /** @type {?} */
              var portal$$1 = new portal.ComponentPortal(componentOrTemplateRef, undefined, this._createInjector(_config, ref));
              /** @type {?} */
              var contentRef = container.attachComponentPortal(portal$$1);
              ref.instance = contentRef.instance;
          }
          // When the bottom sheet is dismissed, clear the reference to it.
          ref.afterDismissed().subscribe(function () {
              // Clear the bottom sheet ref if it hasn't already been replaced by a newer one.
              if (_this._openedBottomSheetRef == ref) {
                  _this._openedBottomSheetRef = null;
              }
          });
          if (this._openedBottomSheetRef) {
              // If a bottom sheet is already in view, dismiss it and enter the
              // new bottom sheet after exit animation is complete.
              this._openedBottomSheetRef.afterDismissed().subscribe(function () { return ref.containerInstance.enter(); });
              this._openedBottomSheetRef.dismiss();
          }
          else {
              // If no bottom sheet is in view, enter the new bottom sheet.
              ref.containerInstance.enter();
          }
          this._openedBottomSheetRef = ref;
          return ref;
      };
      /**
       * Dismisses the currently-visible bottom sheet.
       */
      /**
       * Dismisses the currently-visible bottom sheet.
       * @return {?}
       */
      MatBottomSheet.prototype.dismiss = /**
       * Dismisses the currently-visible bottom sheet.
       * @return {?}
       */
      function () {
          if (this._openedBottomSheetRef) {
              this._openedBottomSheetRef.dismiss();
          }
      };
      /**
       * @return {?}
       */
      MatBottomSheet.prototype.ngOnDestroy = /**
       * @return {?}
       */
      function () {
          if (this._bottomSheetRefAtThisLevel) {
              this._bottomSheetRefAtThisLevel.dismiss();
          }
      };
      /**
       * Attaches the bottom sheet container component to the overlay.
       * @param {?} overlayRef
       * @param {?} config
       * @return {?}
       */
      MatBottomSheet.prototype._attachContainer = /**
       * Attaches the bottom sheet container component to the overlay.
       * @param {?} overlayRef
       * @param {?} config
       * @return {?}
       */
      function (overlayRef, config) {
          /** @type {?} */
          var userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;
          /** @type {?} */
          var injector = new portal.PortalInjector(userInjector || this._injector, new WeakMap([
              [MatBottomSheetConfig, config]
          ]));
          /** @type {?} */
          var containerPortal = new portal.ComponentPortal(MatBottomSheetContainer, config.viewContainerRef, injector);
          /** @type {?} */
          var containerRef = overlayRef.attach(containerPortal);
          return containerRef.instance;
      };
      /**
       * Creates a new overlay and places it in the correct location.
       * @param {?} config The user-specified bottom sheet config.
       * @return {?}
       */
      MatBottomSheet.prototype._createOverlay = /**
       * Creates a new overlay and places it in the correct location.
       * @param {?} config The user-specified bottom sheet config.
       * @return {?}
       */
      function (config) {
          /** @type {?} */
          var overlayConfig = new overlay.OverlayConfig({
              direction: config.direction,
              hasBackdrop: config.hasBackdrop,
              disposeOnNavigation: config.closeOnNavigation,
              maxWidth: '100%',
              scrollStrategy: this._overlay.scrollStrategies.block(),
              positionStrategy: this._overlay.position()
                  .global()
                  .centerHorizontally()
                  .bottom('0')
          });
          if (config.backdropClass) {
              overlayConfig.backdropClass = config.backdropClass;
          }
          return this._overlay.create(overlayConfig);
      };
      /**
       * Creates an injector to be used inside of a bottom sheet component.
       * @template T
       * @param {?} config Config that was used to create the bottom sheet.
       * @param {?} bottomSheetRef Reference to the bottom sheet.
       * @return {?}
       */
      MatBottomSheet.prototype._createInjector = /**
       * Creates an injector to be used inside of a bottom sheet component.
       * @template T
       * @param {?} config Config that was used to create the bottom sheet.
       * @param {?} bottomSheetRef Reference to the bottom sheet.
       * @return {?}
       */
      function (config, bottomSheetRef) {
          /** @type {?} */
          var userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;
          /** @type {?} */
          var injectionTokens = new WeakMap([
              [MatBottomSheetRef, bottomSheetRef],
              [MAT_BOTTOM_SHEET_DATA, config.data]
          ]);
          if (config.direction &&
              (!userInjector || !userInjector.get(bidi.Directionality, null))) {
              injectionTokens.set(bidi.Directionality, {
                  value: config.direction,
                  change: rxjs.of()
              });
          }
          return new portal.PortalInjector(userInjector || this._injector, injectionTokens);
      };
      MatBottomSheet.decorators = [
          { type: core.Injectable, args: [{ providedIn: MatBottomSheetModule },] },
      ];
      /** @nocollapse */
      MatBottomSheet.ctorParameters = function () { return [
          { type: overlay.Overlay },
          { type: core.Injector },
          { type: MatBottomSheet, decorators: [{ type: core.Optional }, { type: core.SkipSelf }] },
          { type: common.Location, decorators: [{ type: core.Optional }] },
          { type: MatBottomSheetConfig, decorators: [{ type: core.Optional }, { type: core.Inject, args: [MAT_BOTTOM_SHEET_DEFAULT_OPTIONS,] }] }
      ]; };
      /** @nocollapse */ MatBottomSheet.ngInjectableDef = core.defineInjectable({ factory: function MatBottomSheet_Factory() { return new MatBottomSheet(core.inject(overlay.Overlay), core.inject(core.INJECTOR), core.inject(MatBottomSheet, 12), core.inject(common.Location, 8), core.inject(MAT_BOTTOM_SHEET_DEFAULT_OPTIONS, 8)); }, token: MatBottomSheet, providedIn: MatBottomSheetModule });
      return MatBottomSheet;
  }());
  /**
   * Applies default options to the bottom sheet config.
   * @param {?} defaults Object containing the default values to which to fall back.
   * @param {?=} config The configuration to which the defaults will be applied.
   * @return {?} The new configuration object with defaults applied.
   */
  function _applyConfigDefaults(defaults, config) {
      return __assign({}, defaults, config);
  }
  
  exports.MatBottomSheetModule = MatBottomSheetModule;
  exports.MAT_BOTTOM_SHEET_DEFAULT_OPTIONS = MAT_BOTTOM_SHEET_DEFAULT_OPTIONS;
  exports.MatBottomSheet = MatBottomSheet;
  exports.MAT_BOTTOM_SHEET_DATA = MAT_BOTTOM_SHEET_DATA;
  exports.MatBottomSheetConfig = MatBottomSheetConfig;
  exports.MatBottomSheetContainer = MatBottomSheetContainer;
  exports.matBottomSheetAnimations = matBottomSheetAnimations;
  exports.MatBottomSheetRef = MatBottomSheetRef;
  
  Object.defineProperty(exports, '__esModule', { value: true });
  
  })));
  //# sourceMappingURL=material-bottom-sheet.umd.js.map
  