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
   */
  import { APP_BOOTSTRAP_LISTENER, PLATFORM_ID, NgModule, Injectable, InjectionToken, Inject, inject, NgZone, Optional, ɵɵdefineInjectable, ɵɵinject } from '@angular/core';
  import { DOCUMENT, isPlatformBrowser, isPlatformServer } from '@angular/common';
  import { __assign, __extends } from 'tslib';
  import { Subject, BehaviorSubject, Observable, merge, asapScheduler, of, fromEvent } from 'rxjs';
  import { filter, debounceTime, map, switchMap, takeUntil, take, tap } from 'rxjs/operators';
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Find all of the server-generated stylings, if any, and remove them
   * This will be in the form of inline classes and the style block in the
   * head of the DOM
   * @param {?} _document
   * @param {?} platformId
   * @return {?}
   */
  function removeStyles(_document, platformId) {
      return (/**
       * @return {?}
       */
      function () {
          if (isPlatformBrowser(platformId)) {
              /** @type {?} */
              var elements = Array.from(_document.querySelectorAll("[class*=" + CLASS_NAME + "]"));
              // RegExp constructor should only be used if passing a variable to the constructor.
              // When using static regular expression it is more performant to use reg exp literal.
              // This is also needed to provide Safari 9 compatibility, please see
              // https://stackoverflow.com/questions/37919802 for more discussion.
              /** @type {?} */
              var classRegex_1 = /\bflex-layout-.+?\b/g;
              elements.forEach((/**
               * @param {?} el
               * @return {?}
               */
              function (el) {
                  el.classList.contains(CLASS_NAME + "ssr") && el.parentNode ?
                      el.parentNode.removeChild(el) : el.className.replace(classRegex_1, '');
              }));
          }
      });
  }
  /**
   *  Provider to remove SSR styles on the browser
   * @type {?}
   */
  var BROWSER_PROVIDER = {
      provide: (/** @type {?} */ (APP_BOOTSTRAP_LISTENER)),
      useFactory: removeStyles,
      deps: [DOCUMENT, PLATFORM_ID],
      multi: true
  };
  /** @type {?} */
  var CLASS_NAME = 'flex-layout-';
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * *****************************************************************
   * Define module for the MediaQuery API
   * *****************************************************************
   */
  var CoreModule = /** @class */ (function () {
      function CoreModule() {
      }
      CoreModule.decorators = [
          { type: NgModule, args: [{
                      providers: [BROWSER_PROVIDER]
                  },] },
      ];
      return CoreModule;
  }());
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Class instances emitted [to observers] for each mql notification
   */
  var  /**
   * Class instances emitted [to observers] for each mql notification
   */
  MediaChange = /** @class */ (function () {
      /**
       * @param matches whether the mediaQuery is currently activated
       * @param mediaQuery e.g. (min-width: 600px) and (max-width: 959px)
       * @param mqAlias e.g. gt-sm, md, gt-lg
       * @param suffix e.g. GtSM, Md, GtLg
       * @param priority the priority of activation for the given breakpoint
       */
      function MediaChange(matches, mediaQuery, mqAlias, suffix, priority) {
          if (matches === void 0) { matches = false; }
          if (mediaQuery === void 0) { mediaQuery = 'all'; }
          if (mqAlias === void 0) { mqAlias = ''; }
          if (suffix === void 0) { suffix = ''; }
          if (priority === void 0) { priority = 0; }
          this.matches = matches;
          this.mediaQuery = mediaQuery;
          this.mqAlias = mqAlias;
          this.suffix = suffix;
          this.priority = priority;
          this.property = '';
      }
      /** Create an exact copy of the MediaChange */
      /**
       * Create an exact copy of the MediaChange
       * @return {?}
       */
      MediaChange.prototype.clone = /**
       * Create an exact copy of the MediaChange
       * @return {?}
       */
      function () {
          return new MediaChange(this.matches, this.mediaQuery, this.mqAlias, this.suffix);
      };
      return MediaChange;
  }());
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Utility to emulate a CSS stylesheet
   *
   * This utility class stores all of the styles for a given HTML element
   * as a readonly `stylesheet` map.
   */
  var StylesheetMap = /** @class */ (function () {
      function StylesheetMap() {
          this.stylesheet = new Map();
      }
      /**
       * Add an individual style to an HTML element
       */
      /**
       * Add an individual style to an HTML element
       * @param {?} element
       * @param {?} style
       * @param {?} value
       * @return {?}
       */
      StylesheetMap.prototype.addStyleToElement = /**
       * Add an individual style to an HTML element
       * @param {?} element
       * @param {?} style
       * @param {?} value
       * @return {?}
       */
      function (element, style, value) {
          /** @type {?} */
          var stylesheet = this.stylesheet.get(element);
          if (stylesheet) {
              stylesheet.set(style, value);
          }
          else {
              this.stylesheet.set(element, new Map([[style, value]]));
          }
      };
      /**
       * Clear the virtual stylesheet
       */
      /**
       * Clear the virtual stylesheet
       * @return {?}
       */
      StylesheetMap.prototype.clearStyles = /**
       * Clear the virtual stylesheet
       * @return {?}
       */
      function () {
          this.stylesheet.clear();
      };
      /**
       * Retrieve a given style for an HTML element
       */
      /**
       * Retrieve a given style for an HTML element
       * @param {?} el
       * @param {?} styleName
       * @return {?}
       */
      StylesheetMap.prototype.getStyleForElement = /**
       * Retrieve a given style for an HTML element
       * @param {?} el
       * @param {?} styleName
       * @return {?}
       */
      function (el, styleName) {
          /** @type {?} */
          var styles = this.stylesheet.get(el);
          /** @type {?} */
          var value = '';
          if (styles) {
              /** @type {?} */
              var style = styles.get(styleName);
              if (typeof style === 'number' || typeof style === 'string') {
                  value = style + '';
              }
          }
          return value;
      };
      StylesheetMap.decorators = [
          { type: Injectable, args: [{ providedIn: 'root' },] },
      ];
      /** @nocollapse */ StylesheetMap.ngInjectableDef = ɵɵdefineInjectable({ factory: function StylesheetMap_Factory() { return new StylesheetMap(); }, token: StylesheetMap, providedIn: "root" });
      return StylesheetMap;
  }());
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /** @type {?} */
  var DEFAULT_CONFIG = {
      addFlexToParent: true,
      addOrientationBps: false,
      disableDefaultBps: false,
      disableVendorPrefixes: false,
      serverLoaded: false,
      useColumnBasisZero: true,
      printWithBreakpoints: [],
      mediaTriggerAutoRestore: true,
      ssrObserveBreakpoints: [],
  };
  /** @type {?} */
  var LAYOUT_CONFIG = new InjectionToken('Flex Layout token, config options for the library', {
      providedIn: 'root',
      factory: (/**
       * @return {?}
       */
      function () { return DEFAULT_CONFIG; })
  });
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Token that is provided to tell whether the FlexLayoutServerModule
   * has been included in the bundle
   *
   * NOTE: This can be manually provided to disable styles when using SSR
   * @type {?}
   */
  var SERVER_TOKEN = new InjectionToken('FlexLayoutServerLoaded', {
      providedIn: 'root',
      factory: (/**
       * @return {?}
       */
      function () { return false; })
  });
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /** @type {?} */
  var BREAKPOINT = new InjectionToken('Flex Layout token, collect all breakpoints into one provider', {
      providedIn: 'root',
      factory: (/**
       * @return {?}
       */
      function () { return null; })
  });
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * For the specified MediaChange, make sure it contains the breakpoint alias
   * and suffix (if available).
   * @param {?} dest
   * @param {?} source
   * @return {?}
   */
  function mergeAlias(dest, source) {
      dest = dest ? dest.clone() : new MediaChange();
      if (source) {
          dest.mqAlias = source.alias;
          dest.mediaQuery = source.mediaQuery;
          dest.suffix = (/** @type {?} */ (source.suffix));
          dest.priority = (/** @type {?} */ (source.priority));
      }
      return dest;
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * @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
   * @type {?}
   */
  var INLINE = 'inline';
  /** @type {?} */
  var LAYOUT_VALUES = ['row', 'column', 'row-reverse', 'column-reverse'];
  /**
   * Validate the direction|'direction wrap' value and then update the host's inline flexbox styles
   * @param {?} value
   * @return {?}
   */
  function buildLayoutCSS(value) {
      var _a = validateValue(value), direction = _a[0], wrap = _a[1], isInline = _a[2];
      return buildCSS(direction, wrap, isInline);
  }
  /**
   * Validate the value to be one of the acceptable value options
   * Use default fallback of 'row'
   * @param {?} value
   * @return {?}
   */
  function validateValue(value) {
      value = value ? value.toLowerCase() : '';
      var _a = value.split(' '), direction = _a[0], wrap = _a[1], inline = _a[2];
      // First value must be the `flex-direction`
      if (!LAYOUT_VALUES.find((/**
       * @param {?} x
       * @return {?}
       */
      function (x) { return x === direction; }))) {
          direction = LAYOUT_VALUES[0];
      }
      if (wrap === INLINE) {
          wrap = (inline !== INLINE) ? inline : '';
          inline = INLINE;
      }
      return [direction, validateWrapValue(wrap), !!inline];
  }
  /**
   * Convert layout-wrap='<value>' to expected flex-wrap style
   * @param {?} value
   * @return {?}
   */
  function validateWrapValue(value) {
      if (!!value) {
          switch (value.toLowerCase()) {
              case 'reverse':
              case 'wrap-reverse':
              case 'reverse-wrap':
                  value = 'wrap-reverse';
                  break;
              case 'no':
              case 'none':
              case 'nowrap':
                  value = 'nowrap';
                  break;
              // All other values fallback to 'wrap'
              default:
                  value = 'wrap';
                  break;
          }
      }
      return value;
  }
  /**
   * Build the CSS that should be assigned to the element instance
   * BUG:
   *   1) min-height on a column flex container won’t apply to its flex item children in IE 10-11.
   *      Use height instead if possible; height : <xxx>vh;
   *
   *  This way any padding or border specified on the child elements are
   *  laid out and drawn inside that element's specified width and height.
   * @param {?} direction
   * @param {?=} wrap
   * @param {?=} inline
   * @return {?}
   */
  function buildCSS(direction, wrap, inline) {
      if (wrap === void 0) { wrap = null; }
      if (inline === void 0) { inline = false; }
      return {
          'display': inline ? 'inline-flex' : 'flex',
          'box-sizing': 'border-box',
          'flex-direction': direction,
          'flex-wrap': !!wrap ? wrap : null
      };
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * @abstract
   */
  var  /**
   * @abstract
   */
  BaseDirective2 = /** @class */ (function () {
      function BaseDirective2(elementRef, styleBuilder, styler, marshal) {
          this.elementRef = elementRef;
          this.styleBuilder = styleBuilder;
          this.styler = styler;
          this.marshal = marshal;
          this.DIRECTIVE_KEY = '';
          this.inputs = [];
          /**
           * The most recently used styles for the builder
           */
          this.mru = {};
          this.destroySubject = new Subject();
          /**
           * Cache map for style computation
           */
          this.styleCache = new Map();
      }
      Object.defineProperty(BaseDirective2.prototype, "parentElement", {
          /** Access to host element's parent DOM node */
          get: /**
           * Access to host element's parent DOM node
           * @protected
           * @return {?}
           */
          function () {
              return this.elementRef.nativeElement.parentElement;
          },
          enumerable: true,
          configurable: true
      });
      Object.defineProperty(BaseDirective2.prototype, "nativeElement", {
          /** Access to the HTMLElement for the directive */
          get: /**
           * Access to the HTMLElement for the directive
           * @protected
           * @return {?}
           */
          function () {
              return this.elementRef.nativeElement;
          },
          enumerable: true,
          configurable: true
      });
      Object.defineProperty(BaseDirective2.prototype, "activatedValue", {
          /** Access to the activated value for the directive */
          get: /**
           * Access to the activated value for the directive
           * @return {?}
           */
          function () {
              return this.marshal.getValue(this.nativeElement, this.DIRECTIVE_KEY);
          },
          set: /**
           * @param {?} value
           * @return {?}
           */
          function (value) {
              this.marshal.setValue(this.nativeElement, this.DIRECTIVE_KEY, value, this.marshal.activatedAlias);
          },
          enumerable: true,
          configurable: true
      });
      /** For @Input changes */
      /**
       * For \@Input changes
       * @param {?} changes
       * @return {?}
       */
      BaseDirective2.prototype.ngOnChanges = /**
       * For \@Input changes
       * @param {?} changes
       * @return {?}
       */
      function (changes) {
          var _this = this;
          Object.keys(changes).forEach((/**
           * @param {?} key
           * @return {?}
           */
          function (key) {
              if (_this.inputs.indexOf(key) !== -1) {
                  /** @type {?} */
                  var bp = key.split('.').slice(1).join('.');
                  /** @type {?} */
                  var val = changes[key].currentValue;
                  _this.setValue(val, bp);
              }
          }));
      };
      /**
       * @return {?}
       */
      BaseDirective2.prototype.ngOnDestroy = /**
       * @return {?}
       */
      function () {
          this.destroySubject.next();
          this.destroySubject.complete();
          this.marshal.releaseElement(this.nativeElement);
      };
      /** Register with central marshaller service */
      /**
       * Register with central marshaller service
       * @protected
       * @param {?=} extraTriggers
       * @return {?}
       */
      BaseDirective2.prototype.init = /**
       * Register with central marshaller service
       * @protected
       * @param {?=} extraTriggers
       * @return {?}
       */
      function (extraTriggers) {
          if (extraTriggers === void 0) { extraTriggers = []; }
          this.marshal.init(this.elementRef.nativeElement, this.DIRECTIVE_KEY, this.updateWithValue.bind(this), this.clearStyles.bind(this), extraTriggers);
      };
      /** Add styles to the element using predefined style builder */
      /**
       * Add styles to the element using predefined style builder
       * @protected
       * @param {?} input
       * @param {?=} parent
       * @return {?}
       */
      BaseDirective2.prototype.addStyles = /**
       * Add styles to the element using predefined style builder
       * @protected
       * @param {?} input
       * @param {?=} parent
       * @return {?}
       */
      function (input, parent) {
          /** @type {?} */
          var builder = this.styleBuilder;
          /** @type {?} */
          var useCache = builder.shouldCache;
          /** @type {?} */
          var genStyles = this.styleCache.get(input);
          if (!genStyles || !useCache) {
              genStyles = builder.buildStyles(input, parent);
              if (useCache) {
                  this.styleCache.set(input, genStyles);
              }
          }
          this.mru = __assign({}, genStyles);
          this.applyStyleToElement(genStyles);
          builder.sideEffect(input, genStyles, parent);
      };
      /** Remove generated styles from an element using predefined style builder */
      /**
       * Remove generated styles from an element using predefined style builder
       * @protected
       * @return {?}
       */
      BaseDirective2.prototype.clearStyles = /**
       * Remove generated styles from an element using predefined style builder
       * @protected
       * @return {?}
       */
      function () {
          var _this = this;
          Object.keys(this.mru).forEach((/**
           * @param {?} k
           * @return {?}
           */
          function (k) {
              _this.mru[k] = '';
          }));
          this.applyStyleToElement(this.mru);
          this.mru = {};
      };
      /** Force trigger style updates on DOM element */
      /**
       * Force trigger style updates on DOM element
       * @protected
       * @return {?}
       */
      BaseDirective2.prototype.triggerUpdate = /**
       * Force trigger style updates on DOM element
       * @protected
       * @return {?}
       */
      function () {
          this.marshal.triggerUpdate(this.nativeElement, this.DIRECTIVE_KEY);
      };
      /**
       * Determine the DOM element's Flexbox flow (flex-direction).
       *
       * Check inline style first then check computed (stylesheet) style.
       * And optionally add the flow value to element's inline style.
       */
      /**
       * Determine the DOM element's Flexbox flow (flex-direction).
       *
       * Check inline style first then check computed (stylesheet) style.
       * And optionally add the flow value to element's inline style.
       * @protected
       * @param {?} target
       * @param {?=} addIfMissing
       * @return {?}
       */
      BaseDirective2.prototype.getFlexFlowDirection = /**
       * Determine the DOM element's Flexbox flow (flex-direction).
       *
       * Check inline style first then check computed (stylesheet) style.
       * And optionally add the flow value to element's inline style.
       * @protected
       * @param {?} target
       * @param {?=} addIfMissing
       * @return {?}
       */
      function (target, addIfMissing) {
          if (addIfMissing === void 0) { addIfMissing = false; }
          if (target) {
              var _a = this.styler.getFlowDirection(target), value = _a[0], hasInlineValue = _a[1];
              if (!hasInlineValue && addIfMissing) {
                  /** @type {?} */
                  var style = buildLayoutCSS(value);
                  /** @type {?} */
                  var elements = [target];
                  this.styler.applyStyleToElements(style, elements);
              }
              return value.trim();
          }
          return 'row';
      };
      /** Applies styles given via string pair or object map to the directive element */
      /**
       * Applies styles given via string pair or object map to the directive element
       * @protected
       * @param {?} style
       * @param {?=} value
       * @param {?=} element
       * @return {?}
       */
      BaseDirective2.prototype.applyStyleToElement = /**
       * Applies styles given via string pair or object map to the directive element
       * @protected
       * @param {?} style
       * @param {?=} value
       * @param {?=} element
       * @return {?}
       */
      function (style, value, element) {
          if (element === void 0) { element = this.nativeElement; }
          this.styler.applyStyleToElement(element, style, value);
      };
      /**
       * @protected
       * @param {?} val
       * @param {?} bp
       * @return {?}
       */
      BaseDirective2.prototype.setValue = /**
       * @protected
       * @param {?} val
       * @param {?} bp
       * @return {?}
       */
      function (val, bp) {
          this.marshal.setValue(this.nativeElement, this.DIRECTIVE_KEY, val, bp);
      };
      /**
       * @protected
       * @param {?} input
       * @return {?}
       */
      BaseDirective2.prototype.updateWithValue = /**
       * @protected
       * @param {?} input
       * @return {?}
       */
      function (input) {
          this.addStyles(input);
      };
      return BaseDirective2;
  }());
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * NOTE: Smaller ranges have HIGHER priority since the match is more specific
   * @type {?}
   */
  var DEFAULT_BREAKPOINTS = [
      {
          alias: 'xs',
          mediaQuery: 'screen and (min-width: 0px) and (max-width: 599.99px)',
          priority: 1000,
      },
      {
          alias: 'sm',
          mediaQuery: 'screen and (min-width: 600px) and (max-width: 959.99px)',
          priority: 900,
      },
      {
          alias: 'md',
          mediaQuery: 'screen and (min-width: 960px) and (max-width: 1279.99px)',
          priority: 800,
      },
      {
          alias: 'lg',
          mediaQuery: 'screen and (min-width: 1280px) and (max-width: 1919.99px)',
          priority: 700,
      },
      {
          alias: 'xl',
          mediaQuery: 'screen and (min-width: 1920px) and (max-width: 4999.99px)',
          priority: 600,
      },
      {
          alias: 'lt-sm',
          overlapping: true,
          mediaQuery: 'screen and (max-width: 599.99px)',
          priority: 950,
      },
      {
          alias: 'lt-md',
          overlapping: true,
          mediaQuery: 'screen and (max-width: 959.99px)',
          priority: 850,
      },
      {
          alias: 'lt-lg',
          overlapping: true,
          mediaQuery: 'screen and (max-width: 1279.99px)',
          priority: 750,
      },
      {
          alias: 'lt-xl',
          overlapping: true,
          priority: 650,
          mediaQuery: 'screen and (max-width: 1919.99px)',
      },
      {
          alias: 'gt-xs',
          overlapping: true,
          mediaQuery: 'screen and (min-width: 600px)',
          priority: -950,
      },
      {
          alias: 'gt-sm',
          overlapping: true,
          mediaQuery: 'screen and (min-width: 960px)',
          priority: -850,
      }, {
          alias: 'gt-md',
          overlapping: true,
          mediaQuery: 'screen and (min-width: 1280px)',
          priority: -750,
      },
      {
          alias: 'gt-lg',
          overlapping: true,
          mediaQuery: 'screen and (min-width: 1920px)',
          priority: -650,
      }
  ];
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /* tslint:disable */
  /** @type {?} */
  var HANDSET_PORTRAIT = '(orientation: portrait) and (max-width: 599.99px)';
  /** @type {?} */
  var HANDSET_LANDSCAPE = '(orientation: landscape) and (max-width: 959.99px)';
  /** @type {?} */
  var TABLET_PORTRAIT = '(orientation: portrait) and (min-width: 600px) and (max-width: 839.99px)';
  /** @type {?} */
  var TABLET_LANDSCAPE = '(orientation: landscape) and (min-width: 960px) and (max-width: 1279.99px)';
  /** @type {?} */
  var WEB_PORTRAIT = '(orientation: portrait) and (min-width: 840px)';
  /** @type {?} */
  var WEB_LANDSCAPE = '(orientation: landscape) and (min-width: 1280px)';
  /** @type {?} */
  var ScreenTypes = {
      'HANDSET': HANDSET_PORTRAIT + ", " + HANDSET_LANDSCAPE,
      'TABLET': TABLET_PORTRAIT + " , " + TABLET_LANDSCAPE,
      'WEB': WEB_PORTRAIT + ", " + WEB_LANDSCAPE + " ",
      'HANDSET_PORTRAIT': "" + HANDSET_PORTRAIT,
      'TABLET_PORTRAIT': TABLET_PORTRAIT + " ",
      'WEB_PORTRAIT': "" + WEB_PORTRAIT,
      'HANDSET_LANDSCAPE': HANDSET_LANDSCAPE + "]",
      'TABLET_LANDSCAPE': "" + TABLET_LANDSCAPE,
      'WEB_LANDSCAPE': "" + WEB_LANDSCAPE
  };
  /**
   * Extended Breakpoints for handset/tablets with landscape or portrait orientations
   * @type {?}
   */
  var ORIENTATION_BREAKPOINTS = [
      { 'alias': 'handset', priority: 2000, 'mediaQuery': ScreenTypes.HANDSET },
      { 'alias': 'handset.landscape', priority: 2000, 'mediaQuery': ScreenTypes.HANDSET_LANDSCAPE },
      { 'alias': 'handset.portrait', priority: 2000, 'mediaQuery': ScreenTypes.HANDSET_PORTRAIT },
      { 'alias': 'tablet', priority: 2100, 'mediaQuery': ScreenTypes.TABLET },
      { 'alias': 'tablet.landscape', priority: 2100, 'mediaQuery': ScreenTypes.TABLET },
      { 'alias': 'tablet.portrait', priority: 2100, 'mediaQuery': ScreenTypes.TABLET_PORTRAIT },
      { 'alias': 'web', priority: 2200, 'mediaQuery': ScreenTypes.WEB, overlapping: true },
      { 'alias': 'web.landscape', priority: 2200, 'mediaQuery': ScreenTypes.WEB_LANDSCAPE, overlapping: true },
      { 'alias': 'web.portrait', priority: 2200, 'mediaQuery': ScreenTypes.WEB_PORTRAIT, overlapping: true }
  ];
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * Extends an object with the *enumerable* and *own* properties of one or more source objects,
   * similar to Object.assign.
   *
   * @param {?} dest The object which will have properties copied to it.
   * @param {...?} sources The source objects from which properties will be copied.
   * @return {?}
   */
  function extendObject(dest) {
      var sources = [];
      for (var _i = 1; _i < arguments.length; _i++) {
          sources[_i - 1] = arguments[_i];
      }
      if (dest == null) {
          throw TypeError('Cannot convert undefined or null to object');
      }
      for (var _a = 0, sources_1 = sources; _a < sources_1.length; _a++) {
          var source = sources_1[_a];
          if (source != null) {
              for (var key in source) {
                  if (source.hasOwnProperty(key)) {
                      dest[key] = source[key];
                  }
              }
          }
      }
      return dest;
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /** @type {?} */
  var ALIAS_DELIMITERS = /(\.|-|_)/g;
  /**
   * @param {?} part
   * @return {?}
   */
  function firstUpperCase(part) {
      /** @type {?} */
      var first = part.length > 0 ? part.charAt(0) : '';
      /** @type {?} */
      var remainder = (part.length > 1) ? part.slice(1) : '';
      return first.toUpperCase() + remainder;
  }
  /**
   * Converts snake-case to SnakeCase.
   * @param {?} name Text to UpperCamelCase
   * @return {?}
   */
  function camelCase(name) {
      return name
          .replace(ALIAS_DELIMITERS, '|')
          .split('|')
          .map(firstUpperCase)
          .join('');
  }
  /**
   * For each breakpoint, ensure that a Suffix is defined;
   * fallback to UpperCamelCase the unique Alias value
   * @param {?} list
   * @return {?}
   */
  function validateSuffixes(list) {
      list.forEach((/**
       * @param {?} bp
       * @return {?}
       */
      function (bp) {
          if (!bp.suffix) {
              bp.suffix = camelCase(bp.alias); // create Suffix value based on alias
              bp.overlapping = !!bp.overlapping; // ensure default value
          }
      }));
      return list;
  }
  /**
   * Merge a custom breakpoint list with the default list based on unique alias values
   *  - Items are added if the alias is not in the default list
   *  - Items are merged with the custom override if the alias exists in the default list
   * @param {?} defaults
   * @param {?=} custom
   * @return {?}
   */
  function mergeByAlias(defaults, custom) {
      if (custom === void 0) { custom = []; }
      /** @type {?} */
      var dict = {};
      defaults.forEach((/**
       * @param {?} bp
       * @return {?}
       */
      function (bp) {
          dict[bp.alias] = bp;
      }));
      // Merge custom breakpoints
      custom.forEach((/**
       * @param {?} bp
       * @return {?}
       */
      function (bp) {
          if (dict[bp.alias]) {
              extendObject(dict[bp.alias], bp);
          }
          else {
              dict[bp.alias] = bp;
          }
      }));
      return validateSuffixes(Object.keys(dict).map((/**
       * @param {?} k
       * @return {?}
       */
      function (k) { return dict[k]; })));
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   *  Injection token unique to the flex-layout library.
   *  Use this token when build a custom provider (see below).
   * @type {?}
   */
  var BREAKPOINTS = new InjectionToken('Token (@angular/flex-layout) Breakpoints', {
      providedIn: 'root',
      factory: (/**
       * @return {?}
       */
      function () {
          /** @type {?} */
          var breakpoints = inject(BREAKPOINT);
          /** @type {?} */
          var layoutConfig = inject(LAYOUT_CONFIG);
          /** @type {?} */
          var bpFlattenArray = [].concat.apply([], (breakpoints || [])
              .map((/**
           * @param {?} v
           * @return {?}
           */
          function (v) { return Array.isArray(v) ? v : [v]; })));
          /** @type {?} */
          var builtIns = (layoutConfig.disableDefaultBps ? [] : DEFAULT_BREAKPOINTS)
              .concat(layoutConfig.addOrientationBps ? ORIENTATION_BREAKPOINTS : []);
          return mergeByAlias(builtIns, bpFlattenArray);
      })
  });
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * HOF to sort the breakpoints by descending priority
   * @template T
   * @param {?} a
   * @param {?} b
   * @return {?}
   */
  function sortDescendingPriority(a, b) {
      /** @type {?} */
      var priorityA = a ? a.priority || 0 : 0;
      /** @type {?} */
      var priorityB = b ? b.priority || 0 : 0;
      return priorityB - priorityA;
  }
  /**
   * HOF to sort the breakpoints by ascending priority
   * @template T
   * @param {?} a
   * @param {?} b
   * @return {?}
   */
  function sortAscendingPriority(a, b) {
      /** @type {?} */
      var pA = a.priority || 0;
      /** @type {?} */
      var pB = b.priority || 0;
      return pA - pB;
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Registry of 1..n MediaQuery breakpoint ranges
   * This is published as a provider and may be overridden from custom, application-specific ranges
   *
   */
  var BreakPointRegistry = /** @class */ (function () {
      function BreakPointRegistry(list) {
          /**
           * Memoized BreakPoint Lookups
           */
          this.findByMap = new Map();
          this.items = list.slice().sort(sortAscendingPriority);
      }
      /**
       * Search breakpoints by alias (e.g. gt-xs)
       */
      /**
       * Search breakpoints by alias (e.g. gt-xs)
       * @param {?} alias
       * @return {?}
       */
      BreakPointRegistry.prototype.findByAlias = /**
       * Search breakpoints by alias (e.g. gt-xs)
       * @param {?} alias
       * @return {?}
       */
      function (alias) {
          return !alias ? null : this.findWithPredicate(alias, (/**
           * @param {?} bp
           * @return {?}
           */
          function (bp) { return bp.alias == alias; }));
      };
      /**
       * @param {?} query
       * @return {?}
       */
      BreakPointRegistry.prototype.findByQuery = /**
       * @param {?} query
       * @return {?}
       */
      function (query) {
          return this.findWithPredicate(query, (/**
           * @param {?} bp
           * @return {?}
           */
          function (bp) { return bp.mediaQuery == query; }));
      };
      Object.defineProperty(BreakPointRegistry.prototype, "overlappings", {
          /**
           * Get all the breakpoints whose ranges could overlapping `normal` ranges;
           * e.g. gt-sm overlaps md, lg, and xl
           */
          get: /**
           * Get all the breakpoints whose ranges could overlapping `normal` ranges;
           * e.g. gt-sm overlaps md, lg, and xl
           * @return {?}
           */
          function () {
              return this.items.filter((/**
               * @param {?} it
               * @return {?}
               */
              function (it) { return it.overlapping == true; }));
          },
          enumerable: true,
          configurable: true
      });
      Object.defineProperty(BreakPointRegistry.prototype, "aliases", {
          /**
           * Get list of all registered (non-empty) breakpoint aliases
           */
          get: /**
           * Get list of all registered (non-empty) breakpoint aliases
           * @return {?}
           */
          function () {
              return this.items.map((/**
               * @param {?} it
               * @return {?}
               */
              function (it) { return it.alias; }));
          },
          enumerable: true,
          configurable: true
      });
      Object.defineProperty(BreakPointRegistry.prototype, "suffixes", {
          /**
           * Aliases are mapped to properties using suffixes
           * e.g.  'gt-sm' for property 'layout'  uses suffix 'GtSm'
           * for property layoutGtSM.
           */
          get: /**
           * Aliases are mapped to properties using suffixes
           * e.g.  'gt-sm' for property 'layout'  uses suffix 'GtSm'
           * for property layoutGtSM.
           * @return {?}
           */
          function () {
              return this.items.map((/**
               * @param {?} it
               * @return {?}
               */
              function (it) { return !!it.suffix ? it.suffix : ''; }));
          },
          enumerable: true,
          configurable: true
      });
      /**
       * Memoized lookup using custom predicate function
       */
      /**
       * Memoized lookup using custom predicate function
       * @private
       * @param {?} key
       * @param {?} searchFn
       * @return {?}
       */
      BreakPointRegistry.prototype.findWithPredicate = /**
       * Memoized lookup using custom predicate function
       * @private
       * @param {?} key
       * @param {?} searchFn
       * @return {?}
       */
      function (key, searchFn) {
          /** @type {?} */
          var response = this.findByMap.get(key);
          if (!response) {
              response = this.items.find(searchFn) || null;
              this.findByMap.set(key, response);
          }
          return response || null;
      };
      BreakPointRegistry.decorators = [
          { type: Injectable, args: [{ providedIn: 'root' },] },
      ];
      /** @nocollapse */
      BreakPointRegistry.ctorParameters = function () { return [
          { type: Array, decorators: [{ type: Inject, args: [BREAKPOINTS,] }] }
      ]; };
      /** @nocollapse */ BreakPointRegistry.ngInjectableDef = ɵɵdefineInjectable({ factory: function BreakPointRegistry_Factory() { return new BreakPointRegistry(ɵɵinject(BREAKPOINTS)); }, token: BreakPointRegistry, providedIn: "root" });
      return BreakPointRegistry;
  }());
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * MediaMonitor configures listeners to mediaQuery changes and publishes an Observable facade to
   * convert mediaQuery change callbacks to subscriber notifications. These notifications will be
   * performed within the ng Zone to trigger change detections and component updates.
   *
   * NOTE: both mediaQuery activations and de-activations are announced in notifications
   */
  var MatchMedia = /** @class */ (function () {
      function MatchMedia(_zone, _platformId, _document) {
          this._zone = _zone;
          this._platformId = _platformId;
          this._document = _document;
          /**
           * Initialize source with 'all' so all non-responsive APIs trigger style updates
           */
          this.source = new BehaviorSubject(new MediaChange(true));
          this.registry = new Map();
          this._observable$ = this.source.asObservable();
      }
      Object.defineProperty(MatchMedia.prototype, "activations", {
          /**
           * Publish list of all current activations
           */
          get: /**
           * Publish list of all current activations
           * @return {?}
           */
          function () {
              /** @type {?} */
              var results = [];
              this.registry.forEach((/**
               * @param {?} mql
               * @param {?} key
               * @return {?}
               */
              function (mql, key) {
                  if (mql.matches) {
                      results.push(key);
                  }
              }));
              return results;
          },
          enumerable: true,
          configurable: true
      });
      /**
       * For the specified mediaQuery?
       */
      /**
       * For the specified mediaQuery?
       * @param {?} mediaQuery
       * @return {?}
       */
      MatchMedia.prototype.isActive = /**
       * For the specified mediaQuery?
       * @param {?} mediaQuery
       * @return {?}
       */
      function (mediaQuery) {
          /** @type {?} */
          var mql = this.registry.get(mediaQuery);
          return !!mql ? mql.matches : false;
      };
      /**
       * External observers can watch for all (or a specific) mql changes.
       * Typically used by the MediaQueryAdaptor; optionally available to components
       * who wish to use the MediaMonitor as mediaMonitor$ observable service.
       *
       * Use deferred registration process to register breakpoints only on subscription
       * This logic also enforces logic to register all mediaQueries BEFORE notify
       * subscribers of notifications.
       */
      /**
       * External observers can watch for all (or a specific) mql changes.
       * Typically used by the MediaQueryAdaptor; optionally available to components
       * who wish to use the MediaMonitor as mediaMonitor$ observable service.
       *
       * Use deferred registration process to register breakpoints only on subscription
       * This logic also enforces logic to register all mediaQueries BEFORE notify
       * subscribers of notifications.
       * @param {?=} mqList
       * @param {?=} filterOthers
       * @return {?}
       */
      MatchMedia.prototype.observe = /**
       * External observers can watch for all (or a specific) mql changes.
       * Typically used by the MediaQueryAdaptor; optionally available to components
       * who wish to use the MediaMonitor as mediaMonitor$ observable service.
       *
       * Use deferred registration process to register breakpoints only on subscription
       * This logic also enforces logic to register all mediaQueries BEFORE notify
       * subscribers of notifications.
       * @param {?=} mqList
       * @param {?=} filterOthers
       * @return {?}
       */
      function (mqList, filterOthers) {
          var _this = this;
          if (filterOthers === void 0) { filterOthers = false; }
          if (mqList && mqList.length) {
              /** @type {?} */
              var matchMedia$ = this._observable$.pipe(filter((/**
               * @param {?} change
               * @return {?}
               */
              function (change) {
                  return !filterOthers ? true : (mqList.indexOf(change.mediaQuery) > -1);
              })));
              /** @type {?} */
              var registration$ = new Observable((/**
               * @param {?} observer
               * @return {?}
               */
              function (observer) {
                  // tslint:disable-line:max-line-length
                  /** @type {?} */
                  var matches = _this.registerQuery(mqList);
                  if (matches.length) {
                      /** @type {?} */
                      var lastChange = (/** @type {?} */ (matches.pop()));
                      matches.forEach((/**
                       * @param {?} e
                       * @return {?}
                       */
                      function (e) {
                          observer.next(e);
                      }));
                      _this.source.next(lastChange); // last match is cached
                  }
                  observer.complete();
              }));
              return merge(registration$, matchMedia$);
          }
          return this._observable$;
      };
      /**
       * Based on the BreakPointRegistry provider, register internal listeners for each unique
       * mediaQuery. Each listener emits specific MediaChange data to observers
       */
      /**
       * Based on the BreakPointRegistry provider, register internal listeners for each unique
       * mediaQuery. Each listener emits specific MediaChange data to observers
       * @param {?} mediaQuery
       * @return {?}
       */
      MatchMedia.prototype.registerQuery = /**
       * Based on the BreakPointRegistry provider, register internal listeners for each unique
       * mediaQuery. Each listener emits specific MediaChange data to observers
       * @param {?} mediaQuery
       * @return {?}
       */
      function (mediaQuery) {
          var _this = this;
          /** @type {?} */
          var list = Array.isArray(mediaQuery) ? mediaQuery : [mediaQuery];
          /** @type {?} */
          var matches = [];
          buildQueryCss(list, this._document);
          list.forEach((/**
           * @param {?} query
           * @return {?}
           */
          function (query) {
              /** @type {?} */
              var onMQLEvent = (/**
               * @param {?} e
               * @return {?}
               */
              function (e) {
                  _this._zone.run((/**
                   * @return {?}
                   */
                  function () { return _this.source.next(new MediaChange(e.matches, query)); }));
              });
              /** @type {?} */
              var mql = _this.registry.get(query);
              if (!mql) {
                  mql = _this.buildMQL(query);
                  mql.addListener(onMQLEvent);
                  _this.registry.set(query, mql);
              }
              if (mql.matches) {
                  matches.push(new MediaChange(true, query));
              }
          }));
          return matches;
      };
      /**
       * Call window.matchMedia() to build a MediaQueryList; which
       * supports 0..n listeners for activation/deactivation
       */
      /**
       * Call window.matchMedia() to build a MediaQueryList; which
       * supports 0..n listeners for activation/deactivation
       * @protected
       * @param {?} query
       * @return {?}
       */
      MatchMedia.prototype.buildMQL = /**
       * Call window.matchMedia() to build a MediaQueryList; which
       * supports 0..n listeners for activation/deactivation
       * @protected
       * @param {?} query
       * @return {?}
       */
      function (query) {
          return constructMql(query, isPlatformBrowser(this._platformId));
      };
      MatchMedia.decorators = [
          { type: Injectable, args: [{ providedIn: 'root' },] },
      ];
      /** @nocollapse */
      MatchMedia.ctorParameters = function () { return [
          { type: NgZone },
          { type: Object, decorators: [{ type: Inject, args: [PLATFORM_ID,] }] },
          { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }
      ]; };
      /** @nocollapse */ MatchMedia.ngInjectableDef = ɵɵdefineInjectable({ factory: function MatchMedia_Factory() { return new MatchMedia(ɵɵinject(NgZone), ɵɵinject(PLATFORM_ID), ɵɵinject(DOCUMENT)); }, token: MatchMedia, providedIn: "root" });
      return MatchMedia;
  }());
  /**
   * Private global registry for all dynamically-created, injected style tags
   * @see prepare(query)
   * @type {?}
   */
  var ALL_STYLES = {};
  /**
   * For Webkit engines that only trigger the MediaQueryList Listener
   * when there is at least one CSS selector for the respective media query.
   *
   * @param {?} mediaQueries
   * @param {?} _document
   * @return {?}
   */
  function buildQueryCss(mediaQueries, _document) {
      /** @type {?} */
      var list = mediaQueries.filter((/**
       * @param {?} it
       * @return {?}
       */
      function (it) { return !ALL_STYLES[it]; }));
      if (list.length > 0) {
          /** @type {?} */
          var query = list.join(', ');
          try {
              /** @type {?} */
              var styleEl_1 = _document.createElement('style');
              styleEl_1.setAttribute('type', 'text/css');
              if (!((/** @type {?} */ (styleEl_1))).styleSheet) {
                  /** @type {?} */
                  var cssText = "\n/*\n  @angular/flex-layout - workaround for possible browser quirk with mediaQuery listeners\n  see http://bit.ly/2sd4HMP\n*/\n@media " + query + " {.fx-query-test{ }}\n";
                  styleEl_1.appendChild(_document.createTextNode(cssText));
              }
              (/** @type {?} */ (_document.head)).appendChild(styleEl_1);
              // Store in private global registry
              list.forEach((/**
               * @param {?} mq
               * @return {?}
               */
              function (mq) { return ALL_STYLES[mq] = styleEl_1; }));
          }
          catch (e) {
              console.error(e);
          }
      }
  }
  /**
   * @param {?} query
   * @param {?} isBrowser
   * @return {?}
   */
  function constructMql(query, isBrowser) {
      /** @type {?} */
      var canListen = isBrowser && !!((/** @type {?} */ (window))).matchMedia('all').addListener;
      return canListen ? ((/** @type {?} */ (window))).matchMedia(query) : (/** @type {?} */ ((/** @type {?} */ ({
          matches: query === 'all' || query === '',
          media: query,
          addListener: (/**
           * @return {?}
           */
          function () {
          }),
          removeListener: (/**
           * @return {?}
           */
          function () {
          })
      }))));
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * MockMatchMedia mocks calls to the Window API matchMedia with a build of a simulated
   * MockMediaQueryListener. Methods are available to simulate an activation of a mediaQuery
   * range and to clearAll mediaQuery listeners.
   */
  var MockMatchMedia = /** @class */ (function (_super) {
      __extends(MockMatchMedia, _super);
      function MockMatchMedia(_zone, _platformId, _document, _breakpoints) {
          var _this = _super.call(this, _zone, _platformId, _document) || this;
          _this._breakpoints = _breakpoints;
          _this.autoRegisterQueries = true; // Used for testing BreakPoint registrations
          // Used for testing BreakPoint registrations
          _this.useOverlaps = false; // Allow fallback to overlapping mediaQueries
          return _this;
      }
      /** Easy method to clear all listeners for all mediaQueries */
      /**
       * Easy method to clear all listeners for all mediaQueries
       * @return {?}
       */
      MockMatchMedia.prototype.clearAll = /**
       * Easy method to clear all listeners for all mediaQueries
       * @return {?}
       */
      function () {
          this.registry.forEach((/**
           * @param {?} mql
           * @return {?}
           */
          function (mql) {
              ((/** @type {?} */ (mql))).destroy();
          }));
          this.registry.clear();
          this.useOverlaps = false;
      };
      /** Feature to support manual, simulated activation of a mediaQuery. */
      /**
       * Feature to support manual, simulated activation of a mediaQuery.
       * @param {?} mediaQuery
       * @param {?=} useOverlaps
       * @return {?}
       */
      MockMatchMedia.prototype.activate = /**
       * Feature to support manual, simulated activation of a mediaQuery.
       * @param {?} mediaQuery
       * @param {?=} useOverlaps
       * @return {?}
       */
      function (mediaQuery, useOverlaps) {
          if (useOverlaps === void 0) { useOverlaps = false; }
          useOverlaps = useOverlaps || this.useOverlaps;
          mediaQuery = this._validateQuery(mediaQuery);
          if (useOverlaps || !this.isActive(mediaQuery)) {
              this._deactivateAll();
              this._registerMediaQuery(mediaQuery);
              this._activateWithOverlaps(mediaQuery, useOverlaps);
          }
          return this.hasActivated;
      };
      /** Converts an optional mediaQuery alias to a specific, valid mediaQuery */
      /**
       * Converts an optional mediaQuery alias to a specific, valid mediaQuery
       * @param {?} queryOrAlias
       * @return {?}
       */
      MockMatchMedia.prototype._validateQuery = /**
       * Converts an optional mediaQuery alias to a specific, valid mediaQuery
       * @param {?} queryOrAlias
       * @return {?}
       */
      function (queryOrAlias) {
          /** @type {?} */
          var bp = this._breakpoints.findByAlias(queryOrAlias);
          return (bp && bp.mediaQuery) || queryOrAlias;
      };
      /**
       * Manually onMediaChange any overlapping mediaQueries to simulate
       * similar functionality in the window.matchMedia()
       */
      /**
       * Manually onMediaChange any overlapping mediaQueries to simulate
       * similar functionality in the window.matchMedia()
       * @private
       * @param {?} mediaQuery
       * @param {?} useOverlaps
       * @return {?}
       */
      MockMatchMedia.prototype._activateWithOverlaps = /**
       * Manually onMediaChange any overlapping mediaQueries to simulate
       * similar functionality in the window.matchMedia()
       * @private
       * @param {?} mediaQuery
       * @param {?} useOverlaps
       * @return {?}
       */
      function (mediaQuery, useOverlaps) {
          if (useOverlaps) {
              /** @type {?} */
              var bp = this._breakpoints.findByQuery(mediaQuery);
              /** @type {?} */
              var alias = bp ? bp.alias : 'unknown';
              // Simulate activation of overlapping lt-<XXX> ranges
              switch (alias) {
                  case 'lg':
                      this._activateByAlias('lt-xl');
                      break;
                  case 'md':
                      this._activateByAlias('lt-xl, lt-lg');
                      break;
                  case 'sm':
                      this._activateByAlias('lt-xl, lt-lg, lt-md');
                      break;
                  case 'xs':
                      this._activateByAlias('lt-xl, lt-lg, lt-md, lt-sm');
                      break;
              }
              // Simulate activation of overlapping gt-<xxxx> mediaQuery ranges
              switch (alias) {
                  case 'xl':
                      this._activateByAlias('gt-lg, gt-md, gt-sm, gt-xs');
                      break;
                  case 'lg':
                      this._activateByAlias('gt-md, gt-sm, gt-xs');
                      break;
                  case 'md':
                      this._activateByAlias('gt-sm, gt-xs');
                      break;
                  case 'sm':
                      this._activateByAlias('gt-xs');
                      break;
              }
          }
          // Activate last since the responsiveActivation is watching *this* mediaQuery
          return this._activateByQuery(mediaQuery);
      };
      /**
       *
       */
      /**
       *
       * @private
       * @param {?} aliases
       * @return {?}
       */
      MockMatchMedia.prototype._activateByAlias = /**
       *
       * @private
       * @param {?} aliases
       * @return {?}
       */
      function (aliases) {
          var _this = this;
          /** @type {?} */
          var activate = (/**
           * @param {?} alias
           * @return {?}
           */
          function (alias) {
              /** @type {?} */
              var bp = _this._breakpoints.findByAlias(alias);
              _this._activateByQuery(bp ? bp.mediaQuery : alias);
          });
          aliases.split(',').forEach((/**
           * @param {?} alias
           * @return {?}
           */
          function (alias) { return activate(alias.trim()); }));
      };
      /**
       *
       */
      /**
       *
       * @private
       * @param {?} mediaQuery
       * @return {?}
       */
      MockMatchMedia.prototype._activateByQuery = /**
       *
       * @private
       * @param {?} mediaQuery
       * @return {?}
       */
      function (mediaQuery) {
          /** @type {?} */
          var mql = (/** @type {?} */ (this.registry.get(mediaQuery)));
          if (mql && !this.isActive(mediaQuery)) {
              this.registry.set(mediaQuery, mql.activate());
          }
          return this.hasActivated;
      };
      /** Deactivate all current MQLs and reset the buffer */
      /**
       * Deactivate all current MQLs and reset the buffer
       * @private
       * @template THIS
       * @this {THIS}
       * @return {THIS}
       */
      MockMatchMedia.prototype._deactivateAll = /**
       * Deactivate all current MQLs and reset the buffer
       * @private
       * @template THIS
       * @this {THIS}
       * @return {THIS}
       */
      function () {
          (/** @type {?} */ (this)).registry.forEach((/**
           * @param {?} it
           * @return {?}
           */
          function (it) {
              ((/** @type {?} */ (it))).deactivate();
          }));
          return (/** @type {?} */ (this));
      };
      /** Insure the mediaQuery is registered with MatchMedia */
      /**
       * Insure the mediaQuery is registered with MatchMedia
       * @private
       * @param {?} mediaQuery
       * @return {?}
       */
      MockMatchMedia.prototype._registerMediaQuery = /**
       * Insure the mediaQuery is registered with MatchMedia
       * @private
       * @param {?} mediaQuery
       * @return {?}
       */
      function (mediaQuery) {
          if (!this.registry.has(mediaQuery) && this.autoRegisterQueries) {
              this.registerQuery(mediaQuery);
          }
      };
      /**
       * Call window.matchMedia() to build a MediaQueryList; which
       * supports 0..n listeners for activation/deactivation
       */
      /**
       * Call window.matchMedia() to build a MediaQueryList; which
       * supports 0..n listeners for activation/deactivation
       * @protected
       * @param {?} query
       * @return {?}
       */
      MockMatchMedia.prototype.buildMQL = /**
       * Call window.matchMedia() to build a MediaQueryList; which
       * supports 0..n listeners for activation/deactivation
       * @protected
       * @param {?} query
       * @return {?}
       */
      function (query) {
          return new MockMediaQueryList(query);
      };
      Object.defineProperty(MockMatchMedia.prototype, "hasActivated", {
          get: /**
           * @protected
           * @return {?}
           */
          function () {
              return this.activations.length > 0;
          },
          enumerable: true,
          configurable: true
      });
      MockMatchMedia.decorators = [
          { type: Injectable },
      ];
      /** @nocollapse */
      MockMatchMedia.ctorParameters = function () { return [
          { type: NgZone },
          { type: Object, decorators: [{ type: Inject, args: [PLATFORM_ID,] }] },
          { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },
          { type: BreakPointRegistry }
      ]; };
      return MockMatchMedia;
  }(MatchMedia));
  /**
   * Special internal class to simulate a MediaQueryList and
   * - supports manual activation to simulate mediaQuery matching
   * - manages listeners
   */
  var /**
   * Special internal class to simulate a MediaQueryList and
   * - supports manual activation to simulate mediaQuery matching
   * - manages listeners
   */
  MockMediaQueryList = /** @class */ (function () {
      function MockMediaQueryList(_mediaQuery) {
          this._mediaQuery = _mediaQuery;
          this._isActive = false;
          this._listeners = [];
          this.onchange = null;
      }
      Object.defineProperty(MockMediaQueryList.prototype, "matches", {
          get: /**
           * @return {?}
           */
          function () {
              return this._isActive;
          },
          enumerable: true,
          configurable: true
      });
      Object.defineProperty(MockMediaQueryList.prototype, "media", {
          get: /**
           * @return {?}
           */
          function () {
              return this._mediaQuery;
          },
          enumerable: true,
          configurable: true
      });
      /**
       * Destroy the current list by deactivating the
       * listeners and clearing the internal list
       */
      /**
       * Destroy the current list by deactivating the
       * listeners and clearing the internal list
       * @return {?}
       */
      MockMediaQueryList.prototype.destroy = /**
       * Destroy the current list by deactivating the
       * listeners and clearing the internal list
       * @return {?}
       */
      function () {
          this.deactivate();
          this._listeners = [];
      };
      /** Notify all listeners that 'matches === TRUE' */
      /**
       * Notify all listeners that 'matches === TRUE'
       * @return {?}
       */
      MockMediaQueryList.prototype.activate = /**
       * Notify all listeners that 'matches === TRUE'
       * @return {?}
       */
      function () {
          var _this = this;
          if (!this._isActive) {
              this._isActive = true;
              this._listeners.forEach((/**
               * @param {?} callback
               * @return {?}
               */
              function (callback) {
                  /** @type {?} */
                  var cb = (/** @type {?} */ (callback));
                  cb.call(null, _this);
              }));
          }
          return this;
      };
      /** Notify all listeners that 'matches === false' */
      /**
       * Notify all listeners that 'matches === false'
       * @return {?}
       */
      MockMediaQueryList.prototype.deactivate = /**
       * Notify all listeners that 'matches === false'
       * @return {?}
       */
      function () {
          var _this = this;
          if (this._isActive) {
              this._isActive = false;
              this._listeners.forEach((/**
               * @param {?} callback
               * @return {?}
               */
              function (callback) {
                  /** @type {?} */
                  var cb = (/** @type {?} */ (callback));
                  cb.call(null, _this);
              }));
          }
          return this;
      };
      /** Add a listener to our internal list to activate later */
      /**
       * Add a listener to our internal list to activate later
       * @param {?} listener
       * @return {?}
       */
      MockMediaQueryList.prototype.addListener = /**
       * Add a listener to our internal list to activate later
       * @param {?} listener
       * @return {?}
       */
      function (listener) {
          if (this._listeners.indexOf(listener) === -1) {
              this._listeners.push(listener);
          }
          if (this._isActive) {
              /** @type {?} */
              var cb = (/** @type {?} */ (listener));
              cb.call(null, this);
          }
      };
      /** Don't need to remove listeners in the testing environment */
      /**
       * Don't need to remove listeners in the testing environment
       * @param {?} _
       * @return {?}
       */
      MockMediaQueryList.prototype.removeListener = /**
       * Don't need to remove listeners in the testing environment
       * @param {?} _
       * @return {?}
       */
      function (_) {
      };
      /**
       * @param {?} _
       * @param {?} __
       * @param {?=} ___
       * @return {?}
       */
      MockMediaQueryList.prototype.addEventListener = /**
       * @param {?} _
       * @param {?} __
       * @param {?=} ___
       * @return {?}
       */
      function (_, __, ___) {
      };
      /**
       * @param {?} _
       * @param {?} __
       * @param {?=} ___
       * @return {?}
       */
      MockMediaQueryList.prototype.removeEventListener = /**
       * @param {?} _
       * @param {?} __
       * @param {?=} ___
       * @return {?}
       */
      function (_, __, ___) {
      };
      /**
       * @param {?} _
       * @return {?}
       */
      MockMediaQueryList.prototype.dispatchEvent = /**
       * @param {?} _
       * @return {?}
       */
      function (_) {
          return false;
      };
      return MockMediaQueryList;
  }());
  /**
   * Pre-configured provider for MockMatchMedia
   * @type {?}
   */
  var MockMatchMediaProvider = {
      // tslint:disable-line:variable-name
      provide: MatchMedia,
      useClass: MockMatchMedia
  };
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /** @type {?} */
  var PRINT = 'print';
  /** @type {?} */
  var BREAKPOINT_PRINT = {
      alias: PRINT,
      mediaQuery: PRINT,
      priority: 1000
  };
  /**
   * PrintHook - Use to intercept print MediaQuery activations and force
   *             layouts to render with the specified print alias/breakpoint
   *
   * Used in MediaMarshaller and MediaObserver
   */
  var PrintHook = /** @class */ (function () {
      function PrintHook(breakpoints, layoutConfig) {
          this.breakpoints = breakpoints;
          this.layoutConfig = layoutConfig;
          /**
           * Is this service currently in Print-mode ?
           */
          this.isPrinting = false;
          this.queue = new PrintQueue();
          this.deactivations = [];
      }
      /** Add 'print' mediaQuery: to listen for matchMedia activations */
      /**
       * Add 'print' mediaQuery: to listen for matchMedia activations
       * @param {?} queries
       * @return {?}
       */
      PrintHook.prototype.withPrintQuery = /**
       * Add 'print' mediaQuery: to listen for matchMedia activations
       * @param {?} queries
       * @return {?}
       */
      function (queries) {
          return queries.concat([PRINT]);
      };
      /** Is the MediaChange event for any 'print' @media */
      /**
       * Is the MediaChange event for any 'print' \@media
       * @param {?} e
       * @return {?}
       */
      PrintHook.prototype.isPrintEvent = /**
       * Is the MediaChange event for any 'print' \@media
       * @param {?} e
       * @return {?}
       */
      function (e) {
          return e.mediaQuery.startsWith(PRINT);
      };
      Object.defineProperty(PrintHook.prototype, "printAlias", {
          /** What is the desired mqAlias to use while printing? */
          get: /**
           * What is the desired mqAlias to use while printing?
           * @return {?}
           */
          function () {
              return this.layoutConfig.printWithBreakpoints || [];
          },
          enumerable: true,
          configurable: true
      });
      Object.defineProperty(PrintHook.prototype, "printBreakPoints", {
          /** Lookup breakpoints associated with print aliases. */
          get: /**
           * Lookup breakpoints associated with print aliases.
           * @return {?}
           */
          function () {
              var _this = this;
              return (/** @type {?} */ (this.printAlias
                  .map((/**
               * @param {?} alias
               * @return {?}
               */
              function (alias) { return _this.breakpoints.findByAlias(alias); }))
                  .filter((/**
               * @param {?} bp
               * @return {?}
               */
              function (bp) { return bp !== null; }))));
          },
          enumerable: true,
          configurable: true
      });
      /** Lookup breakpoint associated with mediaQuery */
      /**
       * Lookup breakpoint associated with mediaQuery
       * @param {?} __0
       * @return {?}
       */
      PrintHook.prototype.getEventBreakpoints = /**
       * Lookup breakpoint associated with mediaQuery
       * @param {?} __0
       * @return {?}
       */
      function (_a) {
          var mediaQuery = _a.mediaQuery;
          /** @type {?} */
          var bp = this.breakpoints.findByQuery(mediaQuery);
          /** @type {?} */
          var list = bp ? this.printBreakPoints.concat([bp]) : this.printBreakPoints;
          return list.sort(sortDescendingPriority);
      };
      /** Update event with printAlias mediaQuery information */
      /**
       * Update event with printAlias mediaQuery information
       * @param {?} event
       * @return {?}
       */
      PrintHook.prototype.updateEvent = /**
       * Update event with printAlias mediaQuery information
       * @param {?} event
       * @return {?}
       */
      function (event) {
          /** @type {?} */
          var bp = this.breakpoints.findByQuery(event.mediaQuery);
          if (this.isPrintEvent(event)) {
              // Reset from 'print' to first (highest priority) print breakpoint
              bp = this.getEventBreakpoints(event)[0];
              event.mediaQuery = bp ? bp.mediaQuery : '';
          }
          return mergeAlias(event, bp);
      };
      /**
       * Prepare RxJs filter operator with partial application
       * @return pipeable filter predicate
       */
      /**
       * Prepare RxJs filter operator with partial application
       * @param {?} target
       * @return {?} pipeable filter predicate
       */
      PrintHook.prototype.interceptEvents = /**
       * Prepare RxJs filter operator with partial application
       * @param {?} target
       * @return {?} pipeable filter predicate
       */
      function (target) {
          var _this = this;
          return (/**
           * @param {?} event
           * @return {?}
           */
          function (event) {
              if (_this.isPrintEvent(event)) {
                  if (event.matches && !_this.isPrinting) {
                      _this.startPrinting(target, _this.getEventBreakpoints(event));
                      target.updateStyles();
                  }
                  else if (!event.matches && _this.isPrinting) {
                      _this.stopPrinting(target);
                      target.updateStyles();
                  }
              }
              else {
                  _this.collectActivations(event);
              }
          });
      };
      /** Stop mediaChange event propagation in event streams */
      /**
       * Stop mediaChange event propagation in event streams
       * @return {?}
       */
      PrintHook.prototype.blockPropagation = /**
       * Stop mediaChange event propagation in event streams
       * @return {?}
       */
      function () {
          var _this = this;
          return (/**
           * @param {?} event
           * @return {?}
           */
          function (event) {
              return !(_this.isPrinting || _this.isPrintEvent(event));
          });
      };
      /**
       * Save current activateBreakpoints (for later restore)
       * and substitute only the printAlias breakpoint
       */
      /**
       * Save current activateBreakpoints (for later restore)
       * and substitute only the printAlias breakpoint
       * @protected
       * @param {?} target
       * @param {?} bpList
       * @return {?}
       */
      PrintHook.prototype.startPrinting = /**
       * Save current activateBreakpoints (for later restore)
       * and substitute only the printAlias breakpoint
       * @protected
       * @param {?} target
       * @param {?} bpList
       * @return {?}
       */
      function (target, bpList) {
          this.isPrinting = true;
          target.activatedBreakpoints = this.queue.addPrintBreakpoints(bpList);
      };
      /** For any print de-activations, reset the entire print queue */
      /**
       * For any print de-activations, reset the entire print queue
       * @protected
       * @param {?} target
       * @return {?}
       */
      PrintHook.prototype.stopPrinting = /**
       * For any print de-activations, reset the entire print queue
       * @protected
       * @param {?} target
       * @return {?}
       */
      function (target) {
          target.activatedBreakpoints = this.deactivations;
          this.deactivations = [];
          this.queue.clear();
          this.isPrinting = false;
      };
      /**
       * To restore pre-Print Activations, we must capture the proper
       * list of breakpoint activations BEFORE print starts. OnBeforePrint()
       * is not supported; so 'print' mediaQuery activations must be used.
       *
       * >  But activated breakpoints are deactivated BEFORE 'print' activation.
       *
       * Let's capture all de-activations using the following logic:
       *
       *  When not printing:
       *    - clear cache when activating non-print breakpoint
       *    - update cache (and sort) when deactivating
       *
       *  When printing:
       *    - sort and save when starting print
       *    - restore as activatedTargets and clear when stop printing
       */
      /**
       * To restore pre-Print Activations, we must capture the proper
       * list of breakpoint activations BEFORE print starts. OnBeforePrint()
       * is not supported; so 'print' mediaQuery activations must be used.
       *
       * >  But activated breakpoints are deactivated BEFORE 'print' activation.
       *
       * Let's capture all de-activations using the following logic:
       *
       *  When not printing:
       *    - clear cache when activating non-print breakpoint
       *    - update cache (and sort) when deactivating
       *
       *  When printing:
       *    - sort and save when starting print
       *    - restore as activatedTargets and clear when stop printing
       * @param {?} event
       * @return {?}
       */
      PrintHook.prototype.collectActivations = /**
       * To restore pre-Print Activations, we must capture the proper
       * list of breakpoint activations BEFORE print starts. OnBeforePrint()
       * is not supported; so 'print' mediaQuery activations must be used.
       *
       * >  But activated breakpoints are deactivated BEFORE 'print' activation.
       *
       * Let's capture all de-activations using the following logic:
       *
       *  When not printing:
       *    - clear cache when activating non-print breakpoint
       *    - update cache (and sort) when deactivating
       *
       *  When printing:
       *    - sort and save when starting print
       *    - restore as activatedTargets and clear when stop printing
       * @param {?} event
       * @return {?}
       */
      function (event) {
          if (!this.isPrinting) {
              if (!event.matches) {
                  /** @type {?} */
                  var bp = this.breakpoints.findByQuery(event.mediaQuery);
                  if (bp) { // Deactivating a breakpoint
                      this.deactivations.push(bp);
                      this.deactivations.sort(sortDescendingPriority);
                  }
              }
              else {
                  this.deactivations = [];
              }
          }
      };
      PrintHook.decorators = [
          { type: Injectable, args: [{ providedIn: 'root' },] },
      ];
      /** @nocollapse */
      PrintHook.ctorParameters = function () { return [
          { type: BreakPointRegistry },
          { type: undefined, decorators: [{ type: Inject, args: [LAYOUT_CONFIG,] }] }
      ]; };
      /** @nocollapse */ PrintHook.ngInjectableDef = ɵɵdefineInjectable({ factory: function PrintHook_Factory() { return new PrintHook(ɵɵinject(BreakPointRegistry), ɵɵinject(LAYOUT_CONFIG)); }, token: PrintHook, providedIn: "root" });
      return PrintHook;
  }());
  // ************************************************************************
  // Internal Utility class 'PrintQueue'
  // ************************************************************************
  /**
   * Utility class to manage print breakpoints + activatedBreakpoints
   * with correct sorting WHILE printing
   */
  var 
  // ************************************************************************
  // Internal Utility class 'PrintQueue'
  // ************************************************************************
  /**
   * Utility class to manage print breakpoints + activatedBreakpoints
   * with correct sorting WHILE printing
   */
  PrintQueue = /** @class */ (function () {
      function PrintQueue() {
          /**
           * Sorted queue with prioritized print breakpoints
           */
          this.printBreakpoints = [];
      }
      /**
       * @param {?} bpList
       * @return {?}
       */
      PrintQueue.prototype.addPrintBreakpoints = /**
       * @param {?} bpList
       * @return {?}
       */
      function (bpList) {
          var _this = this;
          bpList.push(BREAKPOINT_PRINT);
          bpList.sort(sortDescendingPriority);
          bpList.forEach((/**
           * @param {?} bp
           * @return {?}
           */
          function (bp) { return _this.addBreakpoint(bp); }));
          return this.printBreakpoints;
      };
      /** Add Print breakpoint to queue */
      /**
       * Add Print breakpoint to queue
       * @param {?} bp
       * @return {?}
       */
      PrintQueue.prototype.addBreakpoint = /**
       * Add Print breakpoint to queue
       * @param {?} bp
       * @return {?}
       */
      function (bp) {
          if (!!bp) {
              /** @type {?} */
              var bpInList = this.printBreakpoints.find((/**
               * @param {?} it
               * @return {?}
               */
              function (it) { return it.mediaQuery === bp.mediaQuery; }));
              if (bpInList === undefined) {
                  // If this is a `printAlias` breakpoint, then append. If a true 'print' breakpoint,
                  // register as highest priority in the queue
                  this.printBreakpoints = isPrintBreakPoint(bp) ? [bp].concat(this.printBreakpoints) : this.printBreakpoints.concat([bp]);
              }
          }
      };
      /** Restore original activated breakpoints and clear internal caches */
      /**
       * Restore original activated breakpoints and clear internal caches
       * @return {?}
       */
      PrintQueue.prototype.clear = /**
       * Restore original activated breakpoints and clear internal caches
       * @return {?}
       */
      function () {
          this.printBreakpoints = [];
      };
      return PrintQueue;
  }());
  // ************************************************************************
  // Internal Utility methods
  // ************************************************************************
  /**
   * Only support intercept queueing if the Breakpoint is a print \@media query
   * @param {?} bp
   * @return {?}
   */
  function isPrintBreakPoint(bp) {
      return bp ? bp.mediaQuery.startsWith(PRINT) : false;
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * Wraps the provided value in an array, unless the provided value is an array.
   * @template T
   * @param {?} value
   * @return {?}
   */
  function coerceArray(value) {
      return Array.isArray(value) ? value : [value];
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * MediaObserver enables applications to listen for 1..n mediaQuery activations and to determine
   * if a mediaQuery is currently activated.
   *
   * Since a breakpoint change will first deactivate 1...n mediaQueries and then possibly activate
   * 1..n mediaQueries, the MediaObserver will debounce notifications and report ALL *activations*
   * in 1 event notification. The reported activations will be sorted in descending priority order.
   *
   * This class uses the BreakPoint Registry to inject alias information into the raw MediaChange
   * notification. For custom mediaQuery notifications, alias information will not be injected and
   * those fields will be ''.
   *
   * Note: Developers should note that only mediaChange activations (not de-activations)
   *       are announced by the MediaObserver.
   *
   * \@usage
   *
   *  // RxJS
   *  import { filter } from 'rxjs/operators';
   *  import { MediaObserver } from '\@angular/flex-layout';
   *
   * \@Component({ ... })
   *  export class AppComponent {
   *    status: string = '';
   *
   *    constructor(mediaObserver: MediaObserver) {
   *      const media$ = mediaObserver.asObservable().pipe(
   *        filter((changes: MediaChange[]) => true)   // silly noop filter
   *      );
   *
   *      media$.subscribe((changes: MediaChange[]) => {
   *        let status = '';
   *        changes.forEach( change => {
   *          status += `'${change.mqAlias}' = (${change.mediaQuery}) <br/>` ;
   *        });
   *        this.status = status;
   *     });
   *
   *    }
   *  }
   */
  var MediaObserver = /** @class */ (function () {
      function MediaObserver(breakpoints, matchMedia, hook) {
          this.breakpoints = breakpoints;
          this.matchMedia = matchMedia;
          this.hook = hook;
          /**
           * Filter MediaChange notifications for overlapping breakpoints
           */
          this.filterOverlaps = false;
          this.destroyed$ = new Subject();
          this._media$ = this.watchActivations();
          this.media$ = this._media$.pipe(filter((/**
           * @param {?} changes
           * @return {?}
           */
          function (changes) { return changes.length > 0; })), map((/**
           * @param {?} changes
           * @return {?}
           */
          function (changes) { return changes[0]; })));
      }
      /**
       * Completes the active subject, signalling to all complete for all
       * MediaObserver subscribers
       */
      /**
       * Completes the active subject, signalling to all complete for all
       * MediaObserver subscribers
       * @return {?}
       */
      MediaObserver.prototype.ngOnDestroy = /**
       * Completes the active subject, signalling to all complete for all
       * MediaObserver subscribers
       * @return {?}
       */
      function () {
          this.destroyed$.next();
          this.destroyed$.complete();
      };
      // ************************************************
      // Public Methods
      // ************************************************
      /**
       * Observe changes to current activation 'list'
       */
      // ************************************************
      // Public Methods
      // ************************************************
      /**
       * Observe changes to current activation 'list'
       * @return {?}
       */
      MediaObserver.prototype.asObservable = 
      // ************************************************
      // Public Methods
      // ************************************************
      /**
       * Observe changes to current activation 'list'
       * @return {?}
       */
      function () {
          return this._media$;
      };
      /**
       * Allow programmatic query to determine if one or more media query/alias match
       * the current viewport size.
       * @param value One or more media queries (or aliases) to check.
       * @returns Whether any of the media queries match.
       */
      /**
       * Allow programmatic query to determine if one or more media query/alias match
       * the current viewport size.
       * @param {?} value One or more media queries (or aliases) to check.
       * @return {?} Whether any of the media queries match.
       */
      MediaObserver.prototype.isActive = /**
       * Allow programmatic query to determine if one or more media query/alias match
       * the current viewport size.
       * @param {?} value One or more media queries (or aliases) to check.
       * @return {?} Whether any of the media queries match.
       */
      function (value) {
          var _this = this;
          /** @type {?} */
          var aliases = splitQueries(coerceArray(value));
          return aliases.some((/**
           * @param {?} alias
           * @return {?}
           */
          function (alias) {
              /** @type {?} */
              var query = toMediaQuery(alias, _this.breakpoints);
              return _this.matchMedia.isActive(query);
          }));
      };
      // ************************************************
      // Internal Methods
      // ************************************************
      /**
       * Register all the mediaQueries registered in the BreakPointRegistry
       * This is needed so subscribers can be auto-notified of all standard, registered
       * mediaQuery activations
       */
      // ************************************************
      // Internal Methods
      // ************************************************
      /**
       * Register all the mediaQueries registered in the BreakPointRegistry
       * This is needed so subscribers can be auto-notified of all standard, registered
       * mediaQuery activations
       * @private
       * @return {?}
       */
      MediaObserver.prototype.watchActivations = 
      // ************************************************
      // Internal Methods
      // ************************************************
      /**
       * Register all the mediaQueries registered in the BreakPointRegistry
       * This is needed so subscribers can be auto-notified of all standard, registered
       * mediaQuery activations
       * @private
       * @return {?}
       */
      function () {
          /** @type {?} */
          var queries = this.breakpoints.items.map((/**
           * @param {?} bp
           * @return {?}
           */
          function (bp) { return bp.mediaQuery; }));
          return this.buildObservable(queries);
      };
      /**
       * Only pass/announce activations (not de-activations)
       *
       * Since multiple-mediaQueries can be activation in a cycle,
       * gather all current activations into a single list of changes to observers
       *
       * Inject associated (if any) alias information into the MediaChange event
       * - Exclude mediaQuery activations for overlapping mQs. List bounded mQ ranges only
       * - Exclude print activations that do not have an associated mediaQuery
       *
       * NOTE: the raw MediaChange events [from MatchMedia] do not
       *       contain important alias information; as such this info
       *       must be injected into the MediaChange
       */
      /**
       * Only pass/announce activations (not de-activations)
       *
       * Since multiple-mediaQueries can be activation in a cycle,
       * gather all current activations into a single list of changes to observers
       *
       * Inject associated (if any) alias information into the MediaChange event
       * - Exclude mediaQuery activations for overlapping mQs. List bounded mQ ranges only
       * - Exclude print activations that do not have an associated mediaQuery
       *
       * NOTE: the raw MediaChange events [from MatchMedia] do not
       *       contain important alias information; as such this info
       *       must be injected into the MediaChange
       * @private
       * @param {?} mqList
       * @return {?}
       */
      MediaObserver.prototype.buildObservable = /**
       * Only pass/announce activations (not de-activations)
       *
       * Since multiple-mediaQueries can be activation in a cycle,
       * gather all current activations into a single list of changes to observers
       *
       * Inject associated (if any) alias information into the MediaChange event
       * - Exclude mediaQuery activations for overlapping mQs. List bounded mQ ranges only
       * - Exclude print activations that do not have an associated mediaQuery
       *
       * NOTE: the raw MediaChange events [from MatchMedia] do not
       *       contain important alias information; as such this info
       *       must be injected into the MediaChange
       * @private
       * @param {?} mqList
       * @return {?}
       */
      function (mqList) {
          var _this = this;
          /** @type {?} */
          var hasChanges = (/**
           * @param {?} changes
           * @return {?}
           */
          function (changes) {
              /** @type {?} */
              var isValidQuery = (/**
               * @param {?} change
               * @return {?}
               */
              function (change) { return (change.mediaQuery.length > 0); });
              return (changes.filter(isValidQuery).length > 0);
          });
          /** @type {?} */
          var excludeOverlaps = (/**
           * @param {?} changes
           * @return {?}
           */
          function (changes) {
              return !_this.filterOverlaps ? changes : changes.filter((/**
               * @param {?} change
               * @return {?}
               */
              function (change) {
                  /** @type {?} */
                  var bp = _this.breakpoints.findByQuery(change.mediaQuery);
                  return !bp ? true : !bp.overlapping;
              }));
          });
          /**
           */
          return this.matchMedia
              .observe(this.hook.withPrintQuery(mqList))
              .pipe(filter((/**
           * @param {?} change
           * @return {?}
           */
          function (change) { return change.matches; })), debounceTime(0, asapScheduler), switchMap((/**
           * @param {?} _
           * @return {?}
           */
          function (_) { return of(_this.findAllActivations()); })), map(excludeOverlaps), filter(hasChanges), takeUntil(this.destroyed$));
      };
      /**
       * Find all current activations and prepare single list of activations
       * sorted by descending priority.
       */
      /**
       * Find all current activations and prepare single list of activations
       * sorted by descending priority.
       * @private
       * @return {?}
       */
      MediaObserver.prototype.findAllActivations = /**
       * Find all current activations and prepare single list of activations
       * sorted by descending priority.
       * @private
       * @return {?}
       */
      function () {
          var _this = this;
          /** @type {?} */
          var mergeMQAlias = (/**
           * @param {?} change
           * @return {?}
           */
          function (change) {
              /** @type {?} */
              var bp = _this.breakpoints.findByQuery(change.mediaQuery);
              return mergeAlias(change, bp);
          });
          /** @type {?} */
          var replaceWithPrintAlias = (/**
           * @param {?} change
           * @return {?}
           */
          function (change) {
              return _this.hook.isPrintEvent(change) ? _this.hook.updateEvent(change) : change;
          });
          return this.matchMedia
              .activations
              .map((/**
           * @param {?} query
           * @return {?}
           */
          function (query) { return new MediaChange(true, query); }))
              .map(replaceWithPrintAlias)
              .map(mergeMQAlias)
              .sort(sortDescendingPriority);
      };
      MediaObserver.decorators = [
          { type: Injectable, args: [{ providedIn: 'root' },] },
      ];
      /** @nocollapse */
      MediaObserver.ctorParameters = function () { return [
          { type: BreakPointRegistry },
          { type: MatchMedia },
          { type: PrintHook }
      ]; };
      /** @nocollapse */ MediaObserver.ngInjectableDef = ɵɵdefineInjectable({ factory: function MediaObserver_Factory() { return new MediaObserver(ɵɵinject(BreakPointRegistry), ɵɵinject(MatchMedia), ɵɵinject(PrintHook)); }, token: MediaObserver, providedIn: "root" });
      return MediaObserver;
  }());
  /**
   * Find associated breakpoint (if any)
   * @param {?} query
   * @param {?} locator
   * @return {?}
   */
  function toMediaQuery(query, locator) {
      /** @type {?} */
      var bp = locator.findByAlias(query) || locator.findByQuery(query);
      return bp ? bp.mediaQuery : query;
  }
  /**
   * Split each query string into separate query strings if two queries are provided as comma
   * separated.
   * @param {?} queries
   * @return {?}
   */
  function splitQueries(queries) {
      return queries.map((/**
       * @param {?} query
       * @return {?}
       */
      function (query) { return query.split(','); }))
          .reduce((/**
       * @param {?} a1
       * @param {?} a2
       * @return {?}
       */
      function (a1, a2) { return a1.concat(a2); }))
          .map((/**
       * @param {?} query
       * @return {?}
       */
      function (query) { return query.trim(); }));
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Class
   */
  var MediaTrigger = /** @class */ (function () {
      function MediaTrigger(breakpoints, matchMedia, layoutConfig, _platformId, _document) {
          this.breakpoints = breakpoints;
          this.matchMedia = matchMedia;
          this.layoutConfig = layoutConfig;
          this._platformId = _platformId;
          this._document = _document;
          this.hasCachedRegistryMatches = false;
          this.originalActivations = [];
          this.originalRegistry = new Map();
      }
      /**
       * Manually activate range of breakpoints
       * @param list array of mediaQuery or alias strings
       */
      /**
       * Manually activate range of breakpoints
       * @param {?} list array of mediaQuery or alias strings
       * @return {?}
       */
      MediaTrigger.prototype.activate = /**
       * Manually activate range of breakpoints
       * @param {?} list array of mediaQuery or alias strings
       * @return {?}
       */
      function (list) {
          list = list.map((/**
           * @param {?} it
           * @return {?}
           */
          function (it) { return it.trim(); })); // trim queries
          this.saveActivations();
          this.deactivateAll();
          this.setActivations(list);
          this.prepareAutoRestore();
      };
      /**
       * Restore original, 'real' breakpoints and emit events
       * to trigger stream notification
       */
      /**
       * Restore original, 'real' breakpoints and emit events
       * to trigger stream notification
       * @return {?}
       */
      MediaTrigger.prototype.restore = /**
       * Restore original, 'real' breakpoints and emit events
       * to trigger stream notification
       * @return {?}
       */
      function () {
          if (this.hasCachedRegistryMatches) {
              /** @type {?} */
              var extractQuery = (/**
               * @param {?} change
               * @return {?}
               */
              function (change) { return change.mediaQuery; });
              /** @type {?} */
              var list = this.originalActivations.map(extractQuery);
              try {
                  this.deactivateAll();
                  this.restoreRegistryMatches();
                  this.setActivations(list);
              }
              finally {
                  this.originalActivations = [];
                  if (this.resizeSubscription) {
                      this.resizeSubscription.unsubscribe();
                  }
              }
          }
      };
      // ************************************************
      // Internal Methods
      // ************************************************
      /**
       * Whenever window resizes, immediately auto-restore original
       * activations (if we are simulating activations)
       */
      // ************************************************
      // Internal Methods
      // ************************************************
      /**
       * Whenever window resizes, immediately auto-restore original
       * activations (if we are simulating activations)
       * @private
       * @return {?}
       */
      MediaTrigger.prototype.prepareAutoRestore = 
      // ************************************************
      // Internal Methods
      // ************************************************
      /**
       * Whenever window resizes, immediately auto-restore original
       * activations (if we are simulating activations)
       * @private
       * @return {?}
       */
      function () {
          /** @type {?} */
          var isBrowser = isPlatformBrowser(this._platformId) && this._document;
          /** @type {?} */
          var enableAutoRestore = isBrowser && this.layoutConfig.mediaTriggerAutoRestore;
          if (enableAutoRestore) {
              /** @type {?} */
              var resize$ = fromEvent(window, 'resize').pipe(take(1));
              this.resizeSubscription = resize$.subscribe(this.restore.bind(this));
          }
      };
      /**
       * Notify all matchMedia subscribers of de-activations
       *
       * Note: we must force 'matches' updates for
       *       future matchMedia::activation lookups
       */
      /**
       * Notify all matchMedia subscribers of de-activations
       *
       * Note: we must force 'matches' updates for
       *       future matchMedia::activation lookups
       * @private
       * @return {?}
       */
      MediaTrigger.prototype.deactivateAll = /**
       * Notify all matchMedia subscribers of de-activations
       *
       * Note: we must force 'matches' updates for
       *       future matchMedia::activation lookups
       * @private
       * @return {?}
       */
      function () {
          /** @type {?} */
          var list = this.currentActivations;
          this.forceRegistryMatches(list, false);
          this.simulateMediaChanges(list, false);
      };
      /**
       * Cache current activations as sorted, prioritized list of MediaChanges
       */
      /**
       * Cache current activations as sorted, prioritized list of MediaChanges
       * @private
       * @return {?}
       */
      MediaTrigger.prototype.saveActivations = /**
       * Cache current activations as sorted, prioritized list of MediaChanges
       * @private
       * @return {?}
       */
      function () {
          var _this = this;
          if (!this.hasCachedRegistryMatches) {
              /** @type {?} */
              var toMediaChange = (/**
               * @param {?} query
               * @return {?}
               */
              function (query) { return new MediaChange(true, query); });
              /** @type {?} */
              var mergeMQAlias = (/**
               * @param {?} change
               * @return {?}
               */
              function (change) {
                  /** @type {?} */
                  var bp = _this.breakpoints.findByQuery(change.mediaQuery);
                  return mergeAlias(change, bp);
              });
              this.originalActivations = this.currentActivations
                  .map(toMediaChange)
                  .map(mergeMQAlias)
                  .sort(sortDescendingPriority);
              this.cacheRegistryMatches();
          }
      };
      /**
       * Force set manual activations for specified mediaQuery list
       */
      /**
       * Force set manual activations for specified mediaQuery list
       * @private
       * @param {?} list
       * @return {?}
       */
      MediaTrigger.prototype.setActivations = /**
       * Force set manual activations for specified mediaQuery list
       * @private
       * @param {?} list
       * @return {?}
       */
      function (list) {
          if (!!this.originalRegistry) {
              this.forceRegistryMatches(list, true);
          }
          this.simulateMediaChanges(list);
      };
      /**
       * For specified mediaQuery list manually simulate activations or deactivations
       */
      /**
       * For specified mediaQuery list manually simulate activations or deactivations
       * @private
       * @param {?} queries
       * @param {?=} matches
       * @return {?}
       */
      MediaTrigger.prototype.simulateMediaChanges = /**
       * For specified mediaQuery list manually simulate activations or deactivations
       * @private
       * @param {?} queries
       * @param {?=} matches
       * @return {?}
       */
      function (queries, matches) {
          var _this = this;
          if (matches === void 0) { matches = true; }
          /** @type {?} */
          var toMediaQuery = (/**
           * @param {?} query
           * @return {?}
           */
          function (query) {
              /** @type {?} */
              var locator = _this.breakpoints;
              /** @type {?} */
              var bp = locator.findByAlias(query) || locator.findByQuery(query);
              return bp ? bp.mediaQuery : query;
          });
          /** @type {?} */
          var emitChangeEvent = (/**
           * @param {?} query
           * @return {?}
           */
          function (query) { return _this.emitChangeEvent(matches, query); });
          queries.map(toMediaQuery).forEach(emitChangeEvent);
      };
      /**
       * Replace current registry with simulated registry...
       * Note: this is required since MediaQueryList::matches is 'readOnly'
       */
      /**
       * Replace current registry with simulated registry...
       * Note: this is required since MediaQueryList::matches is 'readOnly'
       * @private
       * @param {?} queries
       * @param {?} matches
       * @return {?}
       */
      MediaTrigger.prototype.forceRegistryMatches = /**
       * Replace current registry with simulated registry...
       * Note: this is required since MediaQueryList::matches is 'readOnly'
       * @private
       * @param {?} queries
       * @param {?} matches
       * @return {?}
       */
      function (queries, matches) {
          /** @type {?} */
          var registry = new Map();
          queries.forEach((/**
           * @param {?} query
           * @return {?}
           */
          function (query) {
              registry.set(query, (/** @type {?} */ ({ matches: matches })));
          }));
          this.matchMedia.registry = registry;
      };
      /**
       * Save current MatchMedia::registry items.
       */
      /**
       * Save current MatchMedia::registry items.
       * @private
       * @return {?}
       */
      MediaTrigger.prototype.cacheRegistryMatches = /**
       * Save current MatchMedia::registry items.
       * @private
       * @return {?}
       */
      function () {
          /** @type {?} */
          var target = this.originalRegistry;
          target.clear();
          this.matchMedia.registry.forEach((/**
           * @param {?} value
           * @param {?} key
           * @return {?}
           */
          function (value, key) {
              target.set(key, value);
          }));
          this.hasCachedRegistryMatches = true;
      };
      /**
       * Restore original, 'true' registry
       */
      /**
       * Restore original, 'true' registry
       * @private
       * @return {?}
       */
      MediaTrigger.prototype.restoreRegistryMatches = /**
       * Restore original, 'true' registry
       * @private
       * @return {?}
       */
      function () {
          /** @type {?} */
          var target = this.matchMedia.registry;
          target.clear();
          this.originalRegistry.forEach((/**
           * @param {?} value
           * @param {?} key
           * @return {?}
           */
          function (value, key) {
              target.set(key, value);
          }));
          this.originalRegistry.clear();
          this.hasCachedRegistryMatches = false;
      };
      /**
       * Manually emit a MediaChange event via the MatchMedia to MediaMarshaller and MediaObserver
       */
      /**
       * Manually emit a MediaChange event via the MatchMedia to MediaMarshaller and MediaObserver
       * @private
       * @param {?} matches
       * @param {?} query
       * @return {?}
       */
      MediaTrigger.prototype.emitChangeEvent = /**
       * Manually emit a MediaChange event via the MatchMedia to MediaMarshaller and MediaObserver
       * @private
       * @param {?} matches
       * @param {?} query
       * @return {?}
       */
      function (matches, query) {
          this.matchMedia.source.next(new MediaChange(matches, query));
      };
      Object.defineProperty(MediaTrigger.prototype, "currentActivations", {
          get: /**
           * @private
           * @return {?}
           */
          function () {
              return this.matchMedia.activations;
          },
          enumerable: true,
          configurable: true
      });
      MediaTrigger.decorators = [
          { type: Injectable, args: [{ providedIn: 'root' },] },
      ];
      /** @nocollapse */
      MediaTrigger.ctorParameters = function () { return [
          { type: BreakPointRegistry },
          { type: MatchMedia },
          { type: undefined, decorators: [{ type: Inject, args: [LAYOUT_CONFIG,] }] },
          { type: Object, decorators: [{ type: Inject, args: [PLATFORM_ID,] }] },
          { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }
      ]; };
      /** @nocollapse */ MediaTrigger.ngInjectableDef = ɵɵdefineInjectable({ factory: function MediaTrigger_Factory() { return new MediaTrigger(ɵɵinject(BreakPointRegistry), ɵɵinject(MatchMedia), ɵɵinject(LAYOUT_CONFIG), ɵɵinject(PLATFORM_ID), ɵɵinject(DOCUMENT)); }, token: MediaTrigger, providedIn: "root" });
      return MediaTrigger;
  }());
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * Applies CSS prefixes to appropriate style keys.
   *
   * Note: `-ms-`, `-moz` and `-webkit-box` are no longer supported. e.g.
   *    {
   *      display: -webkit-flex;     NEW - Safari 6.1+. iOS 7.1+, BB10
   *      display: flex;             NEW, Spec - Firefox, Chrome, Opera
   *      // display: -webkit-box;   OLD - iOS 6-, Safari 3.1-6, BB7
   *      // display: -ms-flexbox;   TWEENER - IE 10
   *      // display: -moz-flexbox;  OLD - Firefox
   *    }
   * @param {?} target
   * @return {?}
   */
  function applyCssPrefixes(target) {
      for (var key in target) {
          /** @type {?} */
          var value = target[key] || '';
          switch (key) {
              case 'display':
                  if (value === 'flex') {
                      target['display'] = [
                          '-webkit-flex',
                          'flex'
                      ];
                  }
                  else if (value === 'inline-flex') {
                      target['display'] = [
                          '-webkit-inline-flex',
                          'inline-flex'
                      ];
                  }
                  else {
                      target['display'] = value;
                  }
                  break;
              case 'align-items':
              case 'align-self':
              case 'align-content':
              case 'flex':
              case 'flex-basis':
              case 'flex-flow':
              case 'flex-grow':
              case 'flex-shrink':
              case 'flex-wrap':
              case 'justify-content':
                  target['-webkit-' + key] = value;
                  break;
              case 'flex-direction':
                  value = value || 'row';
                  target['-webkit-flex-direction'] = value;
                  target['flex-direction'] = value;
                  break;
              case 'order':
                  target['order'] = target['-webkit-' + key] = isNaN(+value) ? '0' : value;
                  break;
          }
      }
      return target;
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  var StyleUtils = /** @class */ (function () {
      function StyleUtils(_serverStylesheet, _serverModuleLoaded, _platformId, layoutConfig) {
          this._serverStylesheet = _serverStylesheet;
          this._serverModuleLoaded = _serverModuleLoaded;
          this._platformId = _platformId;
          this.layoutConfig = layoutConfig;
      }
      /**
       * Applies styles given via string pair or object map to the directive element
       */
      /**
       * Applies styles given via string pair or object map to the directive element
       * @param {?} element
       * @param {?} style
       * @param {?=} value
       * @return {?}
       */
      StyleUtils.prototype.applyStyleToElement = /**
       * Applies styles given via string pair or object map to the directive element
       * @param {?} element
       * @param {?} style
       * @param {?=} value
       * @return {?}
       */
      function (element, style, value) {
          if (value === void 0) { value = null; }
          /** @type {?} */
          var styles = {};
          if (typeof style === 'string') {
              styles[style] = value;
              style = styles;
          }
          styles = this.layoutConfig.disableVendorPrefixes ? style : applyCssPrefixes(style);
          this._applyMultiValueStyleToElement(styles, element);
      };
      /**
       * Applies styles given via string pair or object map to the directive's element
       */
      /**
       * Applies styles given via string pair or object map to the directive's element
       * @param {?} style
       * @param {?=} elements
       * @return {?}
       */
      StyleUtils.prototype.applyStyleToElements = /**
       * Applies styles given via string pair or object map to the directive's element
       * @param {?} style
       * @param {?=} elements
       * @return {?}
       */
      function (style, elements) {
          var _this = this;
          if (elements === void 0) { elements = []; }
          /** @type {?} */
          var styles = this.layoutConfig.disableVendorPrefixes ? style : applyCssPrefixes(style);
          elements.forEach((/**
           * @param {?} el
           * @return {?}
           */
          function (el) {
              _this._applyMultiValueStyleToElement(styles, el);
          }));
      };
      /**
       * Determine the DOM element's Flexbox flow (flex-direction)
       *
       * Check inline style first then check computed (stylesheet) style
       */
      /**
       * Determine the DOM element's Flexbox flow (flex-direction)
       *
       * Check inline style first then check computed (stylesheet) style
       * @param {?} target
       * @return {?}
       */
      StyleUtils.prototype.getFlowDirection = /**
       * Determine the DOM element's Flexbox flow (flex-direction)
       *
       * Check inline style first then check computed (stylesheet) style
       * @param {?} target
       * @return {?}
       */
      function (target) {
          /** @type {?} */
          var query = 'flex-direction';
          /** @type {?} */
          var value = this.lookupStyle(target, query);
          /** @type {?} */
          var hasInlineValue = this.lookupInlineStyle(target, query) ||
              (isPlatformServer(this._platformId) && this._serverModuleLoaded) ? value : '';
          return [value || 'row', hasInlineValue];
      };
      /**
       * Find the DOM element's raw attribute value (if any)
       */
      /**
       * Find the DOM element's raw attribute value (if any)
       * @param {?} element
       * @param {?} attribute
       * @return {?}
       */
      StyleUtils.prototype.lookupAttributeValue = /**
       * Find the DOM element's raw attribute value (if any)
       * @param {?} element
       * @param {?} attribute
       * @return {?}
       */
      function (element, attribute) {
          return element.getAttribute(attribute) || '';
      };
      /**
       * Find the DOM element's inline style value (if any)
       */
      /**
       * Find the DOM element's inline style value (if any)
       * @param {?} element
       * @param {?} styleName
       * @return {?}
       */
      StyleUtils.prototype.lookupInlineStyle = /**
       * Find the DOM element's inline style value (if any)
       * @param {?} element
       * @param {?} styleName
       * @return {?}
       */
      function (element, styleName) {
          return isPlatformBrowser(this._platformId) ?
              element.style.getPropertyValue(styleName) : this._getServerStyle(element, styleName);
      };
      /**
       * Determine the inline or inherited CSS style
       * NOTE: platform-server has no implementation for getComputedStyle
       */
      /**
       * Determine the inline or inherited CSS style
       * NOTE: platform-server has no implementation for getComputedStyle
       * @param {?} element
       * @param {?} styleName
       * @param {?=} inlineOnly
       * @return {?}
       */
      StyleUtils.prototype.lookupStyle = /**
       * Determine the inline or inherited CSS style
       * NOTE: platform-server has no implementation for getComputedStyle
       * @param {?} element
       * @param {?} styleName
       * @param {?=} inlineOnly
       * @return {?}
       */
      function (element, styleName, inlineOnly) {
          if (inlineOnly === void 0) { inlineOnly = false; }
          /** @type {?} */
          var value = '';
          if (element) {
              /** @type {?} */
              var immediateValue = value = this.lookupInlineStyle(element, styleName);
              if (!immediateValue) {
                  if (isPlatformBrowser(this._platformId)) {
                      if (!inlineOnly) {
                          value = getComputedStyle(element).getPropertyValue(styleName);
                      }
                  }
                  else {
                      if (this._serverModuleLoaded) {
                          value = this._serverStylesheet.getStyleForElement(element, styleName);
                      }
                  }
              }
          }
          // Note: 'inline' is the default of all elements, unless UA stylesheet overrides;
          //       in which case getComputedStyle() should determine a valid value.
          return value ? value.trim() : '';
      };
      /**
       * Applies the styles to the element. The styles object map may contain an array of values
       * Each value will be added as element style
       * Keys are sorted to add prefixed styles (like -webkit-x) first, before the standard ones
       */
      /**
       * Applies the styles to the element. The styles object map may contain an array of values
       * Each value will be added as element style
       * Keys are sorted to add prefixed styles (like -webkit-x) first, before the standard ones
       * @private
       * @param {?} styles
       * @param {?} element
       * @return {?}
       */
      StyleUtils.prototype._applyMultiValueStyleToElement = /**
       * Applies the styles to the element. The styles object map may contain an array of values
       * Each value will be added as element style
       * Keys are sorted to add prefixed styles (like -webkit-x) first, before the standard ones
       * @private
       * @param {?} styles
       * @param {?} element
       * @return {?}
       */
      function (styles, element) {
          var _this = this;
          Object.keys(styles).sort().forEach((/**
           * @param {?} key
           * @return {?}
           */
          function (key) {
              /** @type {?} */
              var el = styles[key];
              /** @type {?} */
              var values = Array.isArray(el) ? el : [el];
              values.sort();
              for (var _i = 0, values_1 = values; _i < values_1.length; _i++) {
                  var value = values_1[_i];
                  value = value ? value + '' : '';
                  if (isPlatformBrowser(_this._platformId) || !_this._serverModuleLoaded) {
                      isPlatformBrowser(_this._platformId) ?
                          element.style.setProperty(key, value) : _this._setServerStyle(element, key, value);
                  }
                  else {
                      _this._serverStylesheet.addStyleToElement(element, key, value);
                  }
              }
          }));
      };
      /**
       * @private
       * @param {?} element
       * @param {?} styleName
       * @param {?=} styleValue
       * @return {?}
       */
      StyleUtils.prototype._setServerStyle = /**
       * @private
       * @param {?} element
       * @param {?} styleName
       * @param {?=} styleValue
       * @return {?}
       */
      function (element, styleName, styleValue) {
          styleName = styleName.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
          /** @type {?} */
          var styleMap = this._readStyleAttribute(element);
          styleMap[styleName] = styleValue || '';
          this._writeStyleAttribute(element, styleMap);
      };
      /**
       * @private
       * @param {?} element
       * @param {?} styleName
       * @return {?}
       */
      StyleUtils.prototype._getServerStyle = /**
       * @private
       * @param {?} element
       * @param {?} styleName
       * @return {?}
       */
      function (element, styleName) {
          /** @type {?} */
          var styleMap = this._readStyleAttribute(element);
          return styleMap[styleName] || '';
      };
      /**
       * @private
       * @param {?} element
       * @return {?}
       */
      StyleUtils.prototype._readStyleAttribute = /**
       * @private
       * @param {?} element
       * @return {?}
       */
      function (element) {
          /** @type {?} */
          var styleMap = {};
          /** @type {?} */
          var styleAttribute = element.getAttribute('style');
          if (styleAttribute) {
              /** @type {?} */
              var styleList = styleAttribute.split(/;+/g);
              for (var i = 0; i < styleList.length; i++) {
                  /** @type {?} */
                  var style = styleList[i].trim();
                  if (style.length > 0) {
                      /** @type {?} */
                      var colonIndex = style.indexOf(':');
                      if (colonIndex === -1) {
                          throw new Error("Invalid CSS style: " + style);
                      }
                      /** @type {?} */
                      var name_1 = style.substr(0, colonIndex).trim();
                      styleMap[name_1] = style.substr(colonIndex + 1).trim();
                  }
              }
          }
          return styleMap;
      };
      /**
       * @private
       * @param {?} element
       * @param {?} styleMap
       * @return {?}
       */
      StyleUtils.prototype._writeStyleAttribute = /**
       * @private
       * @param {?} element
       * @param {?} styleMap
       * @return {?}
       */
      function (element, styleMap) {
          /** @type {?} */
          var styleAttrValue = '';
          for (var key in styleMap) {
              /** @type {?} */
              var newValue = styleMap[key];
              if (newValue) {
                  styleAttrValue += key + ':' + styleMap[key] + ';';
              }
          }
          element.setAttribute('style', styleAttrValue);
      };
      StyleUtils.decorators = [
          { type: Injectable, args: [{ providedIn: 'root' },] },
      ];
      /** @nocollapse */
      StyleUtils.ctorParameters = function () { return [
          { type: StylesheetMap, decorators: [{ type: Optional }] },
          { type: Boolean, decorators: [{ type: Optional }, { type: Inject, args: [SERVER_TOKEN,] }] },
          { type: Object, decorators: [{ type: Inject, args: [PLATFORM_ID,] }] },
          { type: undefined, decorators: [{ type: Inject, args: [LAYOUT_CONFIG,] }] }
      ]; };
      /** @nocollapse */ StyleUtils.ngInjectableDef = ɵɵdefineInjectable({ factory: function StyleUtils_Factory() { return new StyleUtils(ɵɵinject(StylesheetMap, 8), ɵɵinject(SERVER_TOKEN, 8), ɵɵinject(PLATFORM_ID), ɵɵinject(LAYOUT_CONFIG)); }, token: StyleUtils, providedIn: "root" });
      return StyleUtils;
  }());
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * A class that encapsulates CSS style generation for common directives
   * @abstract
   */
  var  /**
   * A class that encapsulates CSS style generation for common directives
   * @abstract
   */
  StyleBuilder = /** @class */ (function () {
      function StyleBuilder() {
          /**
           * Whether to cache the generated output styles
           */
          this.shouldCache = true;
      }
      /**
       * Run a side effect computation given the input string and the computed styles
       * from the build task and the host configuration object
       * NOTE: This should be a no-op unless an algorithm is provided in a subclass
       */
      /**
       * Run a side effect computation given the input string and the computed styles
       * from the build task and the host configuration object
       * NOTE: This should be a no-op unless an algorithm is provided in a subclass
       * @param {?} _input
       * @param {?} _styles
       * @param {?=} _parent
       * @return {?}
       */
      StyleBuilder.prototype.sideEffect = /**
       * Run a side effect computation given the input string and the computed styles
       * from the build task and the host configuration object
       * NOTE: This should be a no-op unless an algorithm is provided in a subclass
       * @param {?} _input
       * @param {?} _styles
       * @param {?=} _parent
       * @return {?}
       */
      function (_input, _styles, _parent) {
      };
      return StyleBuilder;
  }());
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * The flex API permits 3 or 1 parts of the value:
   *    - `flex-grow flex-shrink flex-basis`, or
   *    - `flex-basis`
   * @param {?} basis
   * @param {?=} grow
   * @param {?=} shrink
   * @return {?}
   */
  function validateBasis(basis, grow, shrink) {
      if (grow === void 0) { grow = '1'; }
      if (shrink === void 0) { shrink = '1'; }
      /** @type {?} */
      var parts = [grow, shrink, basis];
      /** @type {?} */
      var j = basis.indexOf('calc');
      if (j > 0) {
          parts[2] = _validateCalcValue(basis.substring(j).trim());
          /** @type {?} */
          var matches = basis.substr(0, j).trim().split(' ');
          if (matches.length == 2) {
              parts[0] = matches[0];
              parts[1] = matches[1];
          }
      }
      else if (j == 0) {
          parts[2] = _validateCalcValue(basis.trim());
      }
      else {
          /** @type {?} */
          var matches = basis.split(' ');
          parts = (matches.length === 3) ? matches : [
              grow, shrink, basis
          ];
      }
      return parts;
  }
  /**
   * Calc expressions require whitespace before & after any expression operators
   * This is a simple, crude whitespace padding solution.
   *   - '3 3 calc(15em + 20px)'
   *   - calc(100% / 7 * 2)
   *   - 'calc(15em + 20px)'
   *   - 'calc(15em+20px)'
   *   - '37px'
   *   = '43%'
   * @param {?} calc
   * @return {?}
   */
  function _validateCalcValue(calc) {
      return calc.replace(/[\s]/g, '').replace(/[\/\*\+\-]/g, ' $& ');
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * MediaMarshaller - register responsive values from directives and
   *                   trigger them based on media query events
   */
  var MediaMarshaller = /** @class */ (function () {
      function MediaMarshaller(matchMedia, breakpoints, hook) {
          this.matchMedia = matchMedia;
          this.breakpoints = breakpoints;
          this.hook = hook;
          this.activatedBreakpoints = [];
          this.elementMap = new Map();
          this.elementKeyMap = new WeakMap();
          this.watcherMap = new WeakMap(); // special triggers to update elements
          // special triggers to update elements
          this.updateMap = new WeakMap(); // callback functions to update styles
          // callback functions to update styles
          this.clearMap = new WeakMap(); // callback functions to clear styles
          // callback functions to clear styles
          this.subject = new Subject();
          this.observeActivations();
      }
      Object.defineProperty(MediaMarshaller.prototype, "activatedAlias", {
          get: /**
           * @return {?}
           */
          function () {
              return this.activatedBreakpoints[0] ? this.activatedBreakpoints[0].alias : '';
          },
          enumerable: true,
          configurable: true
      });
      /**
       * Update styles on breakpoint activates or deactivates
       * @param mc
       */
      /**
       * Update styles on breakpoint activates or deactivates
       * @param {?} mc
       * @return {?}
       */
      MediaMarshaller.prototype.onMediaChange = /**
       * Update styles on breakpoint activates or deactivates
       * @param {?} mc
       * @return {?}
       */
      function (mc) {
          /** @type {?} */
          var bp = this.findByQuery(mc.mediaQuery);
          if (bp) {
              mc = mergeAlias(mc, bp);
              if (mc.matches && this.activatedBreakpoints.indexOf(bp) === -1) {
                  this.activatedBreakpoints.push(bp);
                  this.activatedBreakpoints.sort(sortDescendingPriority);
                  this.updateStyles();
              }
              else if (!mc.matches && this.activatedBreakpoints.indexOf(bp) !== -1) {
                  // Remove the breakpoint when it's deactivated
                  this.activatedBreakpoints.splice(this.activatedBreakpoints.indexOf(bp), 1);
                  this.activatedBreakpoints.sort(sortDescendingPriority);
                  this.updateStyles();
              }
          }
      };
      /**
       * initialize the marshaller with necessary elements for delegation on an element
       * @param element
       * @param key
       * @param updateFn optional callback so that custom bp directives don't have to re-provide this
       * @param clearFn optional callback so that custom bp directives don't have to re-provide this
       * @param extraTriggers other triggers to force style updates (e.g. layout, directionality, etc)
       */
      /**
       * initialize the marshaller with necessary elements for delegation on an element
       * @param {?} element
       * @param {?} key
       * @param {?=} updateFn optional callback so that custom bp directives don't have to re-provide this
       * @param {?=} clearFn optional callback so that custom bp directives don't have to re-provide this
       * @param {?=} extraTriggers other triggers to force style updates (e.g. layout, directionality, etc)
       * @return {?}
       */
      MediaMarshaller.prototype.init = /**
       * initialize the marshaller with necessary elements for delegation on an element
       * @param {?} element
       * @param {?} key
       * @param {?=} updateFn optional callback so that custom bp directives don't have to re-provide this
       * @param {?=} clearFn optional callback so that custom bp directives don't have to re-provide this
       * @param {?=} extraTriggers other triggers to force style updates (e.g. layout, directionality, etc)
       * @return {?}
       */
      function (element, key, updateFn, clearFn, extraTriggers) {
          if (extraTriggers === void 0) { extraTriggers = []; }
          initBuilderMap(this.updateMap, element, key, updateFn);
          initBuilderMap(this.clearMap, element, key, clearFn);
          this.buildElementKeyMap(element, key);
          this.watchExtraTriggers(element, key, extraTriggers);
      };
      /**
       * get the value for an element and key and optionally a given breakpoint
       * @param element
       * @param key
       * @param bp
       */
      /**
       * get the value for an element and key and optionally a given breakpoint
       * @param {?} element
       * @param {?} key
       * @param {?=} bp
       * @return {?}
       */
      MediaMarshaller.prototype.getValue = /**
       * get the value for an element and key and optionally a given breakpoint
       * @param {?} element
       * @param {?} key
       * @param {?=} bp
       * @return {?}
       */
      function (element, key, bp) {
          /** @type {?} */
          var bpMap = this.elementMap.get(element);
          if (bpMap) {
              /** @type {?} */
              var values = bp !== undefined ? bpMap.get(bp) : this.getActivatedValues(bpMap, key);
              if (values) {
                  return values.get(key);
              }
          }
          return undefined;
      };
      /**
       * whether the element has values for a given key
       * @param element
       * @param key
       */
      /**
       * whether the element has values for a given key
       * @param {?} element
       * @param {?} key
       * @return {?}
       */
      MediaMarshaller.prototype.hasValue = /**
       * whether the element has values for a given key
       * @param {?} element
       * @param {?} key
       * @return {?}
       */
      function (element, key) {
          /** @type {?} */
          var bpMap = this.elementMap.get(element);
          if (bpMap) {
              /** @type {?} */
              var values = this.getActivatedValues(bpMap, key);
              if (values) {
                  return values.get(key) !== undefined || false;
              }
          }
          return false;
      };
      /**
       * Set the value for an input on a directive
       * @param element the element in question
       * @param key the type of the directive (e.g. flex, layout-gap, etc)
       * @param bp the breakpoint suffix (empty string = default)
       * @param val the value for the breakpoint
       */
      /**
       * Set the value for an input on a directive
       * @param {?} element the element in question
       * @param {?} key the type of the directive (e.g. flex, layout-gap, etc)
       * @param {?} val the value for the breakpoint
       * @param {?} bp the breakpoint suffix (empty string = default)
       * @return {?}
       */
      MediaMarshaller.prototype.setValue = /**
       * Set the value for an input on a directive
       * @param {?} element the element in question
       * @param {?} key the type of the directive (e.g. flex, layout-gap, etc)
       * @param {?} val the value for the breakpoint
       * @param {?} bp the breakpoint suffix (empty string = default)
       * @return {?}
       */
      function (element, key, val, bp) {
          /** @type {?} */
          var bpMap = this.elementMap.get(element);
          if (!bpMap) {
              bpMap = new Map().set(bp, new Map().set(key, val));
              this.elementMap.set(element, bpMap);
          }
          else {
              /** @type {?} */
              var values = (bpMap.get(bp) || new Map()).set(key, val);
              bpMap.set(bp, values);
              this.elementMap.set(element, bpMap);
          }
          /** @type {?} */
          var value = this.getValue(element, key);
          if (value !== undefined) {
              this.updateElement(element, key, value);
          }
      };
      /** Track element value changes for a specific key */
      /**
       * Track element value changes for a specific key
       * @param {?} element
       * @param {?} key
       * @return {?}
       */
      MediaMarshaller.prototype.trackValue = /**
       * Track element value changes for a specific key
       * @param {?} element
       * @param {?} key
       * @return {?}
       */
      function (element, key) {
          return this.subject
              .asObservable()
              .pipe(filter((/**
           * @param {?} v
           * @return {?}
           */
          function (v) { return v.element === element && v.key === key; })));
      };
      /** update all styles for all elements on the current breakpoint */
      /**
       * update all styles for all elements on the current breakpoint
       * @return {?}
       */
      MediaMarshaller.prototype.updateStyles = /**
       * update all styles for all elements on the current breakpoint
       * @return {?}
       */
      function () {
          var _this = this;
          this.elementMap.forEach((/**
           * @param {?} bpMap
           * @param {?} el
           * @return {?}
           */
          function (bpMap, el) {
              /** @type {?} */
              var keyMap = new Set((/** @type {?} */ (_this.elementKeyMap.get(el))));
              /** @type {?} */
              var valueMap = _this.getActivatedValues(bpMap);
              if (valueMap) {
                  valueMap.forEach((/**
                   * @param {?} v
                   * @param {?} k
                   * @return {?}
                   */
                  function (v, k) {
                      _this.updateElement(el, k, v);
                      keyMap.delete(k);
                  }));
              }
              keyMap.forEach((/**
               * @param {?} k
               * @return {?}
               */
              function (k) {
                  valueMap = _this.getActivatedValues(bpMap, k);
                  if (valueMap) {
                      /** @type {?} */
                      var value = valueMap.get(k);
                      _this.updateElement(el, k, value);
                  }
                  else {
                      _this.clearElement(el, k);
                  }
              }));
          }));
      };
      /**
       * clear the styles for a given element
       * @param element
       * @param key
       */
      /**
       * clear the styles for a given element
       * @param {?} element
       * @param {?} key
       * @return {?}
       */
      MediaMarshaller.prototype.clearElement = /**
       * clear the styles for a given element
       * @param {?} element
       * @param {?} key
       * @return {?}
       */
      function (element, key) {
          /** @type {?} */
          var builders = this.clearMap.get(element);
          if (builders) {
              /** @type {?} */
              var clearFn = (/** @type {?} */ (builders.get(key)));
              if (!!clearFn) {
                  clearFn();
                  this.subject.next({ element: element, key: key, value: '' });
              }
          }
      };
      /**
       * update a given element with the activated values for a given key
       * @param element
       * @param key
       * @param value
       */
      /**
       * update a given element with the activated values for a given key
       * @param {?} element
       * @param {?} key
       * @param {?} value
       * @return {?}
       */
      MediaMarshaller.prototype.updateElement = /**
       * update a given element with the activated values for a given key
       * @param {?} element
       * @param {?} key
       * @param {?} value
       * @return {?}
       */
      function (element, key, value) {
          /** @type {?} */
          var builders = this.updateMap.get(element);
          if (builders) {
              /** @type {?} */
              var updateFn = (/** @type {?} */ (builders.get(key)));
              if (!!updateFn) {
                  updateFn(value);
                  this.subject.next({ element: element, key: key, value: value });
              }
          }
      };
      /**
       * release all references to a given element
       * @param element
       */
      /**
       * release all references to a given element
       * @param {?} element
       * @return {?}
       */
      MediaMarshaller.prototype.releaseElement = /**
       * release all references to a given element
       * @param {?} element
       * @return {?}
       */
      function (element) {
          /** @type {?} */
          var watcherMap = this.watcherMap.get(element);
          if (watcherMap) {
              watcherMap.forEach((/**
               * @param {?} s
               * @return {?}
               */
              function (s) { return s.unsubscribe(); }));
              this.watcherMap.delete(element);
          }
          /** @type {?} */
          var elementMap = this.elementMap.get(element);
          if (elementMap) {
              elementMap.forEach((/**
               * @param {?} _
               * @param {?} s
               * @return {?}
               */
              function (_, s) { return elementMap.delete(s); }));
              this.elementMap.delete(element);
          }
      };
      /**
       * trigger an update for a given element and key (e.g. layout)
       * @param element
       * @param key
       */
      /**
       * trigger an update for a given element and key (e.g. layout)
       * @param {?} element
       * @param {?=} key
       * @return {?}
       */
      MediaMarshaller.prototype.triggerUpdate = /**
       * trigger an update for a given element and key (e.g. layout)
       * @param {?} element
       * @param {?=} key
       * @return {?}
       */
      function (element, key) {
          var _this = this;
          /** @type {?} */
          var bpMap = this.elementMap.get(element);
          if (bpMap) {
              /** @type {?} */
              var valueMap = this.getActivatedValues(bpMap, key);
              if (valueMap) {
                  if (key) {
                      this.updateElement(element, key, valueMap.get(key));
                  }
                  else {
                      valueMap.forEach((/**
                       * @param {?} v
                       * @param {?} k
                       * @return {?}
                       */
                      function (v, k) { return _this.updateElement(element, k, v); }));
                  }
              }
          }
      };
      /** Cross-reference for HTMLElement with directive key */
      /**
       * Cross-reference for HTMLElement with directive key
       * @private
       * @param {?} element
       * @param {?} key
       * @return {?}
       */
      MediaMarshaller.prototype.buildElementKeyMap = /**
       * Cross-reference for HTMLElement with directive key
       * @private
       * @param {?} element
       * @param {?} key
       * @return {?}
       */
      function (element, key) {
          /** @type {?} */
          var keyMap = this.elementKeyMap.get(element);
          if (!keyMap) {
              keyMap = new Set();
              this.elementKeyMap.set(element, keyMap);
          }
          keyMap.add(key);
      };
      /**
       * Other triggers that should force style updates:
       * - directionality
       * - layout changes
       * - mutationobserver updates
       */
      /**
       * Other triggers that should force style updates:
       * - directionality
       * - layout changes
       * - mutationobserver updates
       * @private
       * @param {?} element
       * @param {?} key
       * @param {?} triggers
       * @return {?}
       */
      MediaMarshaller.prototype.watchExtraTriggers = /**
       * Other triggers that should force style updates:
       * - directionality
       * - layout changes
       * - mutationobserver updates
       * @private
       * @param {?} element
       * @param {?} key
       * @param {?} triggers
       * @return {?}
       */
      function (element, key, triggers) {
          var _this = this;
          if (triggers && triggers.length) {
              /** @type {?} */
              var watchers = this.watcherMap.get(element);
              if (!watchers) {
                  watchers = new Map();
                  this.watcherMap.set(element, watchers);
              }
              /** @type {?} */
              var subscription = watchers.get(key);
              if (!subscription) {
                  /** @type {?} */
                  var newSubscription = merge.apply(void 0, triggers).subscribe((/**
                   * @return {?}
                   */
                  function () {
                      /** @type {?} */
                      var currentValue = _this.getValue(element, key);
                      _this.updateElement(element, key, currentValue);
                  }));
                  watchers.set(key, newSubscription);
              }
          }
      };
      /** Breakpoint locator by mediaQuery */
      /**
       * Breakpoint locator by mediaQuery
       * @private
       * @param {?} query
       * @return {?}
       */
      MediaMarshaller.prototype.findByQuery = /**
       * Breakpoint locator by mediaQuery
       * @private
       * @param {?} query
       * @return {?}
       */
      function (query) {
          return this.breakpoints.findByQuery(query);
      };
      /**
       * get the fallback breakpoint for a given element, starting with the current breakpoint
       * @param bpMap
       * @param key
       */
      /**
       * get the fallback breakpoint for a given element, starting with the current breakpoint
       * @private
       * @param {?} bpMap
       * @param {?=} key
       * @return {?}
       */
      MediaMarshaller.prototype.getActivatedValues = /**
       * get the fallback breakpoint for a given element, starting with the current breakpoint
       * @private
       * @param {?} bpMap
       * @param {?=} key
       * @return {?}
       */
      function (bpMap, key) {
          for (var i = 0; i < this.activatedBreakpoints.length; i++) {
              /** @type {?} */
              var activatedBp = this.activatedBreakpoints[i];
              /** @type {?} */
              var valueMap = bpMap.get(activatedBp.alias);
              if (valueMap) {
                  if (key === undefined || valueMap.has(key)) {
                      return valueMap;
                  }
              }
          }
          /** @type {?} */
          var lastHope = bpMap.get('');
          return (key === undefined || lastHope && lastHope.has(key)) ? lastHope : undefined;
      };
      /**
       * Watch for mediaQuery breakpoint activations
       */
      /**
       * Watch for mediaQuery breakpoint activations
       * @private
       * @return {?}
       */
      MediaMarshaller.prototype.observeActivations = /**
       * Watch for mediaQuery breakpoint activations
       * @private
       * @return {?}
       */
      function () {
          /** @type {?} */
          var target = (/** @type {?} */ ((/** @type {?} */ (this))));
          /** @type {?} */
          var queries = this.breakpoints.items.map((/**
           * @param {?} bp
           * @return {?}
           */
          function (bp) { return bp.mediaQuery; }));
          this.matchMedia
              .observe(this.hook.withPrintQuery(queries))
              .pipe(tap(this.hook.interceptEvents(target)), filter(this.hook.blockPropagation()))
              .subscribe(this.onMediaChange.bind(this));
      };
      MediaMarshaller.decorators = [
          { type: Injectable, args: [{ providedIn: 'root' },] },
      ];
      /** @nocollapse */
      MediaMarshaller.ctorParameters = function () { return [
          { type: MatchMedia },
          { type: BreakPointRegistry },
          { type: PrintHook }
      ]; };
      /** @nocollapse */ MediaMarshaller.ngInjectableDef = ɵɵdefineInjectable({ factory: function MediaMarshaller_Factory() { return new MediaMarshaller(ɵɵinject(MatchMedia), ɵɵinject(BreakPointRegistry), ɵɵinject(PrintHook)); }, token: MediaMarshaller, providedIn: "root" });
      return MediaMarshaller;
  }());
  /**
   * @param {?} map
   * @param {?} element
   * @param {?} key
   * @param {?=} input
   * @return {?}
   */
  function initBuilderMap(map$$1, element, key, input) {
      if (input !== undefined) {
          /** @type {?} */
          var oldMap = map$$1.get(element);
          if (!oldMap) {
              oldMap = new Map();
              map$$1.set(element, oldMap);
          }
          oldMap.set(key, input);
      }
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  export { MatchMedia as ɵMatchMedia, MockMatchMedia as ɵMockMatchMedia, MockMatchMediaProvider as ɵMockMatchMediaProvider, CoreModule, removeStyles, BROWSER_PROVIDER, CLASS_NAME, MediaChange, StylesheetMap, DEFAULT_CONFIG, LAYOUT_CONFIG, SERVER_TOKEN, BREAKPOINT, mergeAlias, BaseDirective2, DEFAULT_BREAKPOINTS, ScreenTypes, ORIENTATION_BREAKPOINTS, BreakPointRegistry, BREAKPOINTS, MediaObserver, MediaTrigger, sortDescendingPriority, sortAscendingPriority, coerceArray, StyleUtils, StyleBuilder, validateBasis, MediaMarshaller, BREAKPOINT_PRINT, PrintHook };
  //# sourceMappingURL=core.es5.js.map
  