text: /**
   * @license
   * Copyright Google LLC All Rights Reserved.
   *
   * Use of this source code is governed by an MIT-style license that can be
   * found in the LICENSE file at https://angular.io/license
   */
  (function (global, factory) {
  	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/cdk/stepper'), require('rxjs'), require('@angular/cdk/a11y'), require('@angular/animations'), require('@angular/cdk/bidi'), require('@angular/common'), require('@angular/material/core'), require('rxjs/operators'), require('@angular/cdk/portal'), require('@angular/material/button'), require('@angular/material/icon')) :
  	typeof define === 'function' && define.amd ? define('@angular/material/stepper', ['exports', '@angular/core', '@angular/cdk/stepper', 'rxjs', '@angular/cdk/a11y', '@angular/animations', '@angular/cdk/bidi', '@angular/common', '@angular/material/core', 'rxjs/operators', '@angular/cdk/portal', '@angular/material/button', '@angular/material/icon'], factory) :
  	(factory((global.ng = global.ng || {}, global.ng.material = global.ng.material || {}, global.ng.material.stepper = {}),global.ng.core,global.ng.cdk.stepper,global.rxjs,global.ng.cdk.a11y,global.ng.animations,global.ng.cdk.bidi,global.ng.common,global.ng.material.core,global.rxjs.operators,global.ng.cdk.portal,global.ng.material.button,global.ng.material.icon));
  }(this, (function (exports,core,stepper,rxjs,a11y,animations,bidi,common,core$1,operators,portal,button,icon) { 'use strict';
  
  /*! *****************************************************************************
  Copyright (c) Microsoft Corporation. All rights reserved.
  Licensed under the Apache License, Version 2.0 (the "License"); you may not use
  this file except in compliance with the License. You may obtain a copy of the
  License at http://www.apache.org/licenses/LICENSE-2.0
  
  THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
  WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
  MERCHANTABLITY OR NON-INFRINGEMENT.
  
  See the Apache Version 2.0 License for specific language governing permissions
  and limitations under the License.
  ***************************************************************************** */
  /* global Reflect, Promise */
  
  var extendStatics = function(d, b) {
      extendStatics = Object.setPrototypeOf ||
          ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
          function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
      return extendStatics(d, b);
  };
  
  function __extends(d, b) {
      extendStatics(d, b);
      function __() { this.constructor = d; }
      d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
  }
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  var MatStepLabel = /** @class */ (function (_super) {
      __extends(MatStepLabel, _super);
      function MatStepLabel() {
          return _super !== null && _super.apply(this, arguments) || this;
      }
      MatStepLabel.decorators = [
          { type: core.Directive, args: [{
                      selector: '[matStepLabel]',
                  },] },
      ];
      return MatStepLabel;
  }(stepper.CdkStepLabel));
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Stepper data that is required for internationalization.
   */
  var MatStepperIntl = /** @class */ (function () {
      function MatStepperIntl() {
          /**
           * Stream that emits whenever the labels here are changed. Use this to notify
           * components if the labels have changed after initialization.
           */
          this.changes = new rxjs.Subject();
          /**
           * Label that is rendered below optional steps.
           */
          this.optionalLabel = 'Optional';
      }
      MatStepperIntl.decorators = [
          { type: core.Injectable, args: [{ providedIn: 'root' },] },
      ];
      /** @nocollapse */ MatStepperIntl.ngInjectableDef = core.defineInjectable({ factory: function MatStepperIntl_Factory() { return new MatStepperIntl(); }, token: MatStepperIntl, providedIn: "root" });
      return MatStepperIntl;
  }());
  /**
   * \@docs-private
   * @param {?} parentIntl
   * @return {?}
   */
  function MAT_STEPPER_INTL_PROVIDER_FACTORY(parentIntl) {
      return parentIntl || new MatStepperIntl();
  }
  /**
   * \@docs-private
   * @type {?}
   */
  var MAT_STEPPER_INTL_PROVIDER = {
      provide: MatStepperIntl,
      deps: [[new core.Optional(), new core.SkipSelf(), MatStepperIntl]],
      useFactory: MAT_STEPPER_INTL_PROVIDER_FACTORY
  };
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  var MatStepHeader = /** @class */ (function (_super) {
      __extends(MatStepHeader, _super);
      function MatStepHeader(_intl, _focusMonitor, _elementRef, changeDetectorRef) {
          var _this = _super.call(this, _elementRef) || this;
          _this._intl = _intl;
          _this._focusMonitor = _focusMonitor;
          _focusMonitor.monitor(_elementRef, true);
          _this._intlSubscription = _intl.changes.subscribe(function () { return changeDetectorRef.markForCheck(); });
          return _this;
      }
      /**
       * @return {?}
       */
      MatStepHeader.prototype.ngOnDestroy = /**
       * @return {?}
       */
      function () {
          this._intlSubscription.unsubscribe();
          this._focusMonitor.stopMonitoring(this._elementRef);
      };
      /** Returns string label of given step if it is a text label. */
      /**
       * Returns string label of given step if it is a text label.
       * @return {?}
       */
      MatStepHeader.prototype._stringLabel = /**
       * Returns string label of given step if it is a text label.
       * @return {?}
       */
      function () {
          return this.label instanceof MatStepLabel ? null : this.label;
      };
      /** Returns MatStepLabel if the label of given step is a template label. */
      /**
       * Returns MatStepLabel if the label of given step is a template label.
       * @return {?}
       */
      MatStepHeader.prototype._templateLabel = /**
       * Returns MatStepLabel if the label of given step is a template label.
       * @return {?}
       */
      function () {
          return this.label instanceof MatStepLabel ? this.label : null;
      };
      /** Returns the host HTML element. */
      /**
       * Returns the host HTML element.
       * @return {?}
       */
      MatStepHeader.prototype._getHostElement = /**
       * Returns the host HTML element.
       * @return {?}
       */
      function () {
          return this._elementRef.nativeElement;
      };
      /** Template context variables that are exposed to the `matStepperIcon` instances. */
      /**
       * Template context variables that are exposed to the `matStepperIcon` instances.
       * @return {?}
       */
      MatStepHeader.prototype._getIconContext = /**
       * Template context variables that are exposed to the `matStepperIcon` instances.
       * @return {?}
       */
      function () {
          return {
              index: this.index,
              active: this.active,
              optional: this.optional
          };
      };
      /**
       * @param {?} state
       * @return {?}
       */
      MatStepHeader.prototype._getDefaultTextForState = /**
       * @param {?} state
       * @return {?}
       */
      function (state$$1) {
          if (state$$1 == 'number') {
              return "" + (this.index + 1);
          }
          if (state$$1 == 'edit') {
              return 'create';
          }
          if (state$$1 == 'error') {
              return 'warning';
          }
          return state$$1;
      };
      MatStepHeader.decorators = [
          { type: core.Component, args: [{selector: 'mat-step-header',
                      template: "<div class=\"mat-step-header-ripple\" mat-ripple [matRippleTrigger]=\"_getHostElement()\"></div><div class=\"mat-step-icon-state-{{state}} mat-step-icon\" [class.mat-step-icon-selected]=\"selected\"><div class=\"mat-step-icon-content\" [ngSwitch]=\"!!(iconOverrides && iconOverrides[state])\"><ng-container *ngSwitchCase=\"true\" [ngTemplateOutlet]=\"iconOverrides[state]\" [ngTemplateOutletContext]=\"_getIconContext()\"></ng-container><ng-container *ngSwitchDefault [ngSwitch]=\"state\"><span *ngSwitchCase=\"'number'\">{{_getDefaultTextForState(state)}}</span><mat-icon *ngSwitchDefault>{{_getDefaultTextForState(state)}}</mat-icon></ng-container></div></div><div class=\"mat-step-label\" [class.mat-step-label-active]=\"active\" [class.mat-step-label-selected]=\"selected\" [class.mat-step-label-error]=\"state == 'error'\"><ng-container *ngIf=\"_templateLabel()\" [ngTemplateOutlet]=\"_templateLabel()!.template\"></ng-container><div class=\"mat-step-text-label\" *ngIf=\"_stringLabel()\">{{label}}</div><div class=\"mat-step-optional\" *ngIf=\"optional && state != 'error'\">{{_intl.optionalLabel}}</div><div class=\"mat-step-sub-label-error\" *ngIf=\"state == 'error'\">{{errorMessage}}</div></div>",
                      styles: [".mat-step-header{overflow:hidden;outline:0;cursor:pointer;position:relative;box-sizing:content-box;-webkit-tap-highlight-color:transparent}.mat-step-optional,.mat-step-sub-label-error{font-size:12px}.mat-step-icon{border-radius:50%;height:24px;width:24px;flex-shrink:0;position:relative}.mat-step-icon .mat-icon,.mat-step-icon-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.mat-step-icon .mat-icon{font-size:16px;height:16px;width:16px}.mat-step-icon-state-error .mat-icon{font-size:24px;height:24px;width:24px}.mat-step-label{display:inline-block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:50px;vertical-align:middle}.mat-step-text-label{text-overflow:ellipsis;overflow:hidden}.mat-step-header .mat-step-header-ripple{top:0;left:0;right:0;bottom:0;position:absolute;pointer-events:none}"],
                      host: {
                          'class': 'mat-step-header',
                          'role': 'tab',
                      },
                      encapsulation: core.ViewEncapsulation.None,
                      changeDetection: core.ChangeDetectionStrategy.OnPush,
                  },] },
      ];
      /** @nocollapse */
      MatStepHeader.ctorParameters = function () { return [
          { type: MatStepperIntl },
          { type: a11y.FocusMonitor },
          { type: core.ElementRef },
          { type: core.ChangeDetectorRef }
      ]; };
      MatStepHeader.propDecorators = {
          state: [{ type: core.Input }],
          label: [{ type: core.Input }],
          errorMessage: [{ type: core.Input }],
          iconOverrides: [{ type: core.Input }],
          index: [{ type: core.Input }],
          selected: [{ type: core.Input }],
          active: [{ type: core.Input }],
          optional: [{ type: core.Input }]
      };
      return MatStepHeader;
  }(stepper.CdkStepHeader));
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Animations used by the Material steppers.
   * \@docs-private
   * @type {?}
   */
  var matStepperAnimations = {
      /**
       * Animation that transitions the step along the X axis in a horizontal stepper.
       */
      horizontalStepTransition: animations.trigger('stepTransition', [
          animations.state('previous', animations.style({ transform: 'translate3d(-100%, 0, 0)', visibility: 'hidden' })),
          animations.state('current', animations.style({ transform: 'none', visibility: 'visible' })),
          animations.state('next', animations.style({ transform: 'translate3d(100%, 0, 0)', visibility: 'hidden' })),
          animations.transition('* => *', animations.animate('500ms cubic-bezier(0.35, 0, 0.25, 1)'))
      ]),
      /**
       * Animation that transitions the step along the Y axis in a vertical stepper.
       */
      verticalStepTransition: animations.trigger('stepTransition', [
          animations.state('previous', animations.style({ height: '0px', visibility: 'hidden' })),
          animations.state('next', animations.style({ height: '0px', visibility: 'hidden' })),
          animations.state('current', animations.style({ height: '*', visibility: 'visible' })),
          animations.transition('* <=> current', animations.animate('225ms cubic-bezier(0.4, 0.0, 0.2, 1)'))
      ])
  };
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Template to be used to override the icons inside the step header.
   */
  var MatStepperIcon = /** @class */ (function () {
      function MatStepperIcon(templateRef) {
          this.templateRef = templateRef;
      }
      MatStepperIcon.decorators = [
          { type: core.Directive, args: [{
                      selector: 'ng-template[matStepperIcon]',
                  },] },
      ];
      /** @nocollapse */
      MatStepperIcon.ctorParameters = function () { return [
          { type: core.TemplateRef }
      ]; };
      MatStepperIcon.propDecorators = {
          name: [{ type: core.Input, args: ['matStepperIcon',] }]
      };
      return MatStepperIcon;
  }());
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  var MatStep = /** @class */ (function (_super) {
      __extends(MatStep, _super);
      /** @breaking-change 8.0.0 remove the `?` after `stepperOptions` */
      function MatStep(stepper$$1, _errorStateMatcher, stepperOptions) {
          var _this = _super.call(this, stepper$$1, stepperOptions) || this;
          _this._errorStateMatcher = _errorStateMatcher;
          return _this;
      }
      /** Custom error state matcher that additionally checks for validity of interacted form. */
      /**
       * Custom error state matcher that additionally checks for validity of interacted form.
       * @param {?} control
       * @param {?} form
       * @return {?}
       */
      MatStep.prototype.isErrorState = /**
       * Custom error state matcher that additionally checks for validity of interacted form.
       * @param {?} control
       * @param {?} form
       * @return {?}
       */
      function (control, form) {
          /** @type {?} */
          var originalErrorState = this._errorStateMatcher.isErrorState(control, form);
          // Custom error state checks for the validity of form that is not submitted or touched
          // since user can trigger a form change by calling for another step without directly
          // interacting with the current form.
          /** @type {?} */
          var customErrorState = !!(control && control.invalid && this.interacted);
          return originalErrorState || customErrorState;
      };
      MatStep.decorators = [
          { type: core.Component, args: [{selector: 'mat-step',
                      template: "<ng-template><ng-content></ng-content></ng-template>",
                      providers: [{ provide: core$1.ErrorStateMatcher, useExisting: MatStep }],
                      encapsulation: core.ViewEncapsulation.None,
                      exportAs: 'matStep',
                      changeDetection: core.ChangeDetectionStrategy.OnPush,
                  },] },
      ];
      /** @nocollapse */
      MatStep.ctorParameters = function () { return [
          { type: MatStepper, decorators: [{ type: core.Inject, args: [core.forwardRef(function () { return MatStepper; }),] }] },
          { type: core$1.ErrorStateMatcher, decorators: [{ type: core.SkipSelf }] },
          { type: undefined, decorators: [{ type: core.Optional }, { type: core.Inject, args: [stepper.STEPPER_GLOBAL_OPTIONS,] }] }
      ]; };
      MatStep.propDecorators = {
          stepLabel: [{ type: core.ContentChild, args: [MatStepLabel,] }]
      };
      return MatStep;
  }(stepper.CdkStep));
  var MatStepper = /** @class */ (function (_super) {
      __extends(MatStepper, _super);
      function MatStepper() {
          var _this = _super !== null && _super.apply(this, arguments) || this;
          /**
           * Event emitted when the current step is done transitioning in.
           */
          _this.animationDone = new core.EventEmitter();
          /**
           * Consumer-specified template-refs to be used to override the header icons.
           */
          _this._iconOverrides = {};
          /**
           * Stream of animation `done` events when the body expands/collapses.
           */
          _this._animationDone = new rxjs.Subject();
          return _this;
      }
      /**
       * @return {?}
       */
      MatStepper.prototype.ngAfterContentInit = /**
       * @return {?}
       */
      function () {
          var _this = this;
          this._icons.forEach(function (_a) {
              var name = _a.name, templateRef = _a.templateRef;
              return _this._iconOverrides[name] = templateRef;
          });
          // Mark the component for change detection whenever the content children query changes
          this._steps.changes.pipe(operators.takeUntil(this._destroyed)).subscribe(function () { return _this._stateChanged(); });
          this._animationDone.pipe(
          // This needs a `distinctUntilChanged` in order to avoid emitting the same event twice due
          // to a bug in animations where the `.done` callback gets invoked twice on some browsers.
          // See https://github.com/angular/angular/issues/24084
          operators.distinctUntilChanged(function (x, y) { return x.fromState === y.fromState && x.toState === y.toState; }), operators.takeUntil(this._destroyed)).subscribe(function (event) {
              if (((/** @type {?} */ (event.toState))) === 'current') {
                  _this.animationDone.emit();
              }
          });
      };
      MatStepper.decorators = [
          { type: core.Directive, args: [{
                      selector: '[matStepper]'
                  },] },
      ];
      MatStepper.propDecorators = {
          _stepHeader: [{ type: core.ViewChildren, args: [MatStepHeader,] }],
          _steps: [{ type: core.ContentChildren, args: [MatStep,] }],
          _icons: [{ type: core.ContentChildren, args: [MatStepperIcon,] }],
          animationDone: [{ type: core.Output }]
      };
      return MatStepper;
  }(stepper.CdkStepper));
  var MatHorizontalStepper = /** @class */ (function (_super) {
      __extends(MatHorizontalStepper, _super);
      function MatHorizontalStepper() {
          var _this = _super !== null && _super.apply(this, arguments) || this;
          /**
           * Whether the label should display in bottom or end position.
           */
          _this.labelPosition = 'end';
          return _this;
      }
      MatHorizontalStepper.decorators = [
          { type: core.Component, args: [{selector: 'mat-horizontal-stepper',
                      exportAs: 'matHorizontalStepper',
                      template: "<div class=\"mat-horizontal-stepper-header-container\"><ng-container *ngFor=\"let step of steps; let i = index; let isLast = last\"><mat-step-header class=\"mat-horizontal-stepper-header\" (click)=\"step.select()\" (keydown)=\"_onKeydown($event)\" [tabIndex]=\"_getFocusIndex() === i ? 0 : -1\" [id]=\"_getStepLabelId(i)\" [attr.aria-posinset]=\"i + 1\" [attr.aria-setsize]=\"steps.length\" [attr.aria-controls]=\"_getStepContentId(i)\" [attr.aria-selected]=\"selectedIndex == i\" [attr.aria-label]=\"step.ariaLabel || null\" [attr.aria-labelledby]=\"(!step.ariaLabel && step.ariaLabelledby) ? step.ariaLabelledby : null\" [index]=\"i\" [state]=\"_getIndicatorType(i, step.state)\" [label]=\"step.stepLabel || step.label\" [selected]=\"selectedIndex === i\" [active]=\"step.completed || selectedIndex === i || !linear\" [optional]=\"step.optional\" [errorMessage]=\"step.errorMessage\" [iconOverrides]=\"_iconOverrides\"></mat-step-header><div *ngIf=\"!isLast\" class=\"mat-stepper-horizontal-line\"></div></ng-container></div><div class=\"mat-horizontal-content-container\"><div *ngFor=\"let step of steps; let i = index\" [attr.tabindex]=\"selectedIndex === i ? 0 : null\" class=\"mat-horizontal-stepper-content\" role=\"tabpanel\" [@stepTransition]=\"_getAnimationDirection(i)\" (@stepTransition.done)=\"_animationDone.next($event)\" [id]=\"_getStepContentId(i)\" [attr.aria-labelledby]=\"_getStepLabelId(i)\" [attr.aria-expanded]=\"selectedIndex === i\"><ng-container [ngTemplateOutlet]=\"step.content\"></ng-container></div></div>",
                      styles: [".mat-stepper-horizontal,.mat-stepper-vertical{display:block}.mat-horizontal-stepper-header-container{white-space:nowrap;display:flex;align-items:center}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header-container{align-items:flex-start}.mat-stepper-horizontal-line{border-top-width:1px;border-top-style:solid;flex:auto;height:0;margin:0 -16px;min-width:32px}.mat-stepper-label-position-bottom .mat-stepper-horizontal-line{margin:0;min-width:0;position:relative;top:36px}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:first-child)::before,.mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:last-child)::after,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:first-child)::after,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:last-child)::before{border-top-width:1px;border-top-style:solid;content:'';display:inline-block;height:0;position:absolute;top:36px;width:calc(50% - 20px)}.mat-horizontal-stepper-header{display:flex;height:72px;overflow:hidden;align-items:center;padding:0 24px}.mat-horizontal-stepper-header .mat-step-icon{margin-right:8px;flex:none}[dir=rtl] .mat-horizontal-stepper-header .mat-step-icon{margin-right:0;margin-left:8px}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header{box-sizing:border-box;flex-direction:column;height:auto;padding:24px}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:last-child)::after,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:first-child)::after{right:0}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:first-child)::before,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:last-child)::before{left:0}[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:first-child::after,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:last-child::before{display:none}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header .mat-step-icon{margin-right:0;margin-left:0}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header .mat-step-label{padding:16px 0 0 0;text-align:center;width:100%}.mat-vertical-stepper-header{display:flex;align-items:center;padding:24px;height:24px}.mat-vertical-stepper-header .mat-step-icon{margin-right:12px}[dir=rtl] .mat-vertical-stepper-header .mat-step-icon{margin-right:0;margin-left:12px}.mat-horizontal-stepper-content{outline:0}.mat-horizontal-stepper-content[aria-expanded=false]{height:0;overflow:hidden}.mat-horizontal-content-container{overflow:hidden;padding:0 24px 24px 24px}.mat-vertical-content-container{margin-left:36px;border:0;position:relative}[dir=rtl] .mat-vertical-content-container{margin-left:0;margin-right:36px}.mat-stepper-vertical-line::before{content:'';position:absolute;top:-16px;bottom:-16px;left:0;border-left-width:1px;border-left-style:solid}[dir=rtl] .mat-stepper-vertical-line::before{left:auto;right:0}.mat-vertical-stepper-content{overflow:hidden;outline:0}.mat-vertical-content{padding:0 24px 24px 24px}.mat-step:last-child .mat-vertical-content-container{border:none}"],
                      inputs: ['selectedIndex'],
                      host: {
                          'class': 'mat-stepper-horizontal',
                          '[class.mat-stepper-label-position-end]': 'labelPosition == "end"',
                          '[class.mat-stepper-label-position-bottom]': 'labelPosition == "bottom"',
                          'aria-orientation': 'horizontal',
                          'role': 'tablist',
                      },
                      animations: [matStepperAnimations.horizontalStepTransition],
                      providers: [{ provide: MatStepper, useExisting: MatHorizontalStepper }],
                      encapsulation: core.ViewEncapsulation.None,
                      changeDetection: core.ChangeDetectionStrategy.OnPush,
                  },] },
      ];
      MatHorizontalStepper.propDecorators = {
          labelPosition: [{ type: core.Input }]
      };
      return MatHorizontalStepper;
  }(MatStepper));
  var MatVerticalStepper = /** @class */ (function (_super) {
      __extends(MatVerticalStepper, _super);
      function MatVerticalStepper(dir, changeDetectorRef, 
      // @breaking-change 8.0.0 `elementRef` and `_document` parameters to become required.
      elementRef, _document) {
          var _this = _super.call(this, dir, changeDetectorRef, elementRef, _document) || this;
          _this._orientation = 'vertical';
          return _this;
      }
      MatVerticalStepper.decorators = [
          { type: core.Component, args: [{selector: 'mat-vertical-stepper',
                      exportAs: 'matVerticalStepper',
                      template: "<div class=\"mat-step\" *ngFor=\"let step of steps; let i = index; let isLast = last\"><mat-step-header class=\"mat-vertical-stepper-header\" (click)=\"step.select()\" (keydown)=\"_onKeydown($event)\" [tabIndex]=\"_getFocusIndex() == i ? 0 : -1\" [id]=\"_getStepLabelId(i)\" [attr.aria-posinset]=\"i + 1\" [attr.aria-setsize]=\"steps.length\" [attr.aria-controls]=\"_getStepContentId(i)\" [attr.aria-selected]=\"selectedIndex === i\" [attr.aria-label]=\"step.ariaLabel || null\" [attr.aria-labelledby]=\"(!step.ariaLabel && step.ariaLabelledby) ? step.ariaLabelledby : null\" [index]=\"i\" [state]=\"_getIndicatorType(i, step.state)\" [label]=\"step.stepLabel || step.label\" [selected]=\"selectedIndex === i\" [active]=\"step.completed || selectedIndex === i || !linear\" [optional]=\"step.optional\" [errorMessage]=\"step.errorMessage\" [iconOverrides]=\"_iconOverrides\"></mat-step-header><div class=\"mat-vertical-content-container\" [class.mat-stepper-vertical-line]=\"!isLast\"><div class=\"mat-vertical-stepper-content\" role=\"tabpanel\" [attr.tabindex]=\"selectedIndex === i ? 0 : null\" [@stepTransition]=\"_getAnimationDirection(i)\" (@stepTransition.done)=\"_animationDone.next($event)\" [id]=\"_getStepContentId(i)\" [attr.aria-labelledby]=\"_getStepLabelId(i)\" [attr.aria-expanded]=\"selectedIndex === i\"><div class=\"mat-vertical-content\"><ng-container [ngTemplateOutlet]=\"step.content\"></ng-container></div></div></div></div>",
                      styles: [".mat-stepper-horizontal,.mat-stepper-vertical{display:block}.mat-horizontal-stepper-header-container{white-space:nowrap;display:flex;align-items:center}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header-container{align-items:flex-start}.mat-stepper-horizontal-line{border-top-width:1px;border-top-style:solid;flex:auto;height:0;margin:0 -16px;min-width:32px}.mat-stepper-label-position-bottom .mat-stepper-horizontal-line{margin:0;min-width:0;position:relative;top:36px}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:first-child)::before,.mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:last-child)::after,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:first-child)::after,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:last-child)::before{border-top-width:1px;border-top-style:solid;content:'';display:inline-block;height:0;position:absolute;top:36px;width:calc(50% - 20px)}.mat-horizontal-stepper-header{display:flex;height:72px;overflow:hidden;align-items:center;padding:0 24px}.mat-horizontal-stepper-header .mat-step-icon{margin-right:8px;flex:none}[dir=rtl] .mat-horizontal-stepper-header .mat-step-icon{margin-right:0;margin-left:8px}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header{box-sizing:border-box;flex-direction:column;height:auto;padding:24px}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:last-child)::after,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:first-child)::after{right:0}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:first-child)::before,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:not(:last-child)::before{left:0}[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:first-child::after,[dir=rtl] .mat-stepper-label-position-bottom .mat-horizontal-stepper-header:last-child::before{display:none}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header .mat-step-icon{margin-right:0;margin-left:0}.mat-stepper-label-position-bottom .mat-horizontal-stepper-header .mat-step-label{padding:16px 0 0 0;text-align:center;width:100%}.mat-vertical-stepper-header{display:flex;align-items:center;padding:24px;height:24px}.mat-vertical-stepper-header .mat-step-icon{margin-right:12px}[dir=rtl] .mat-vertical-stepper-header .mat-step-icon{margin-right:0;margin-left:12px}.mat-horizontal-stepper-content{outline:0}.mat-horizontal-stepper-content[aria-expanded=false]{height:0;overflow:hidden}.mat-horizontal-content-container{overflow:hidden;padding:0 24px 24px 24px}.mat-vertical-content-container{margin-left:36px;border:0;position:relative}[dir=rtl] .mat-vertical-content-container{margin-left:0;margin-right:36px}.mat-stepper-vertical-line::before{content:'';position:absolute;top:-16px;bottom:-16px;left:0;border-left-width:1px;border-left-style:solid}[dir=rtl] .mat-stepper-vertical-line::before{left:auto;right:0}.mat-vertical-stepper-content{overflow:hidden;outline:0}.mat-vertical-content{padding:0 24px 24px 24px}.mat-step:last-child .mat-vertical-content-container{border:none}"],
                      inputs: ['selectedIndex'],
                      host: {
                          'class': 'mat-stepper-vertical',
                          'aria-orientation': 'vertical',
                          'role': 'tablist',
                      },
                      animations: [matStepperAnimations.verticalStepTransition],
                      providers: [{ provide: MatStepper, useExisting: MatVerticalStepper }],
                      encapsulation: core.ViewEncapsulation.None,
                      changeDetection: core.ChangeDetectionStrategy.OnPush,
                  },] },
      ];
      /** @nocollapse */
      MatVerticalStepper.ctorParameters = function () { return [
          { type: bidi.Directionality, decorators: [{ type: core.Optional }] },
          { type: core.ChangeDetectorRef },
          { type: core.ElementRef },
          { type: undefined, decorators: [{ type: core.Inject, args: [common.DOCUMENT,] }] }
      ]; };
      return MatVerticalStepper;
  }(MatStepper));
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Button that moves to the next step in a stepper workflow.
   */
  var MatStepperNext = /** @class */ (function (_super) {
      __extends(MatStepperNext, _super);
      function MatStepperNext() {
          return _super !== null && _super.apply(this, arguments) || this;
      }
      MatStepperNext.decorators = [
          { type: core.Directive, args: [{
                      selector: 'button[matStepperNext]',
                      host: {
                          '(click)': '_stepper.next()',
                          '[type]': 'type',
                      },
                      inputs: ['type'],
                      providers: [{ provide: stepper.CdkStepper, useExisting: MatStepper }]
                  },] },
      ];
      return MatStepperNext;
  }(stepper.CdkStepperNext));
  /**
   * Button that moves to the previous step in a stepper workflow.
   */
  var MatStepperPrevious = /** @class */ (function (_super) {
      __extends(MatStepperPrevious, _super);
      function MatStepperPrevious() {
          return _super !== null && _super.apply(this, arguments) || this;
      }
      MatStepperPrevious.decorators = [
          { type: core.Directive, args: [{
                      selector: 'button[matStepperPrevious]',
                      host: {
                          '(click)': '_stepper.previous()',
                          '[type]': 'type',
                      },
                      inputs: ['type'],
                      providers: [{ provide: stepper.CdkStepper, useExisting: MatStepper }]
                  },] },
      ];
      return MatStepperPrevious;
  }(stepper.CdkStepperPrevious));
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  var MatStepperModule = /** @class */ (function () {
      function MatStepperModule() {
      }
      MatStepperModule.decorators = [
          { type: core.NgModule, args: [{
                      imports: [
                          core$1.MatCommonModule,
                          common.CommonModule,
                          portal.PortalModule,
                          button.MatButtonModule,
                          stepper.CdkStepperModule,
                          icon.MatIconModule,
                          core$1.MatRippleModule,
                      ],
                      exports: [
                          core$1.MatCommonModule,
                          MatHorizontalStepper,
                          MatVerticalStepper,
                          MatStep,
                          MatStepLabel,
                          MatStepper,
                          MatStepperNext,
                          MatStepperPrevious,
                          MatStepHeader,
                          MatStepperIcon,
                      ],
                      declarations: [
                          MatHorizontalStepper,
                          MatVerticalStepper,
                          MatStep,
                          MatStepLabel,
                          MatStepper,
                          MatStepperNext,
                          MatStepperPrevious,
                          MatStepHeader,
                          MatStepperIcon,
                      ],
                      providers: [MAT_STEPPER_INTL_PROVIDER, core$1.ErrorStateMatcher],
                  },] },
      ];
      return MatStepperModule;
  }());
  
  exports.MatStepperModule = MatStepperModule;
  exports.MatStepLabel = MatStepLabel;
  exports.MatStep = MatStep;
  exports.MatStepper = MatStepper;
  exports.MatHorizontalStepper = MatHorizontalStepper;
  exports.MatVerticalStepper = MatVerticalStepper;
  exports.MatStepperNext = MatStepperNext;
  exports.MatStepperPrevious = MatStepperPrevious;
  exports.MatStepHeader = MatStepHeader;
  exports.MAT_STEPPER_INTL_PROVIDER_FACTORY = MAT_STEPPER_INTL_PROVIDER_FACTORY;
  exports.MatStepperIntl = MatStepperIntl;
  exports.MAT_STEPPER_INTL_PROVIDER = MAT_STEPPER_INTL_PROVIDER;
  exports.matStepperAnimations = matStepperAnimations;
  exports.MatStepperIcon = MatStepperIcon;
  
  Object.defineProperty(exports, '__esModule', { value: true });
  
  })));
  //# sourceMappingURL=material-stepper.umd.js.map
  