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 { Directive, Injectable, Optional, SkipSelf, NgModule, ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, Input, ViewEncapsulation, ContentChild, ContentChildren, EventEmitter, forwardRef, Inject, Output, ViewChildren, TemplateRef, defineInjectable } from '@angular/core';
  import { CdkStepLabel, CdkStepHeader, CdkStep, CdkStepper, STEPPER_GLOBAL_OPTIONS, CdkStepperNext, CdkStepperPrevious, CdkStepperModule } from '@angular/cdk/stepper';
  import { Subject } from 'rxjs';
  import { FocusMonitor } from '@angular/cdk/a11y';
  import { animate, state, style, transition, trigger } from '@angular/animations';
  import { Directionality } from '@angular/cdk/bidi';
  import { DOCUMENT, CommonModule } from '@angular/common';
  import { ErrorStateMatcher, MatCommonModule, MatRippleModule } from '@angular/material/core';
  import { takeUntil, distinctUntilChanged } from 'rxjs/operators';
  import { PortalModule } from '@angular/cdk/portal';
  import { MatButtonModule } from '@angular/material/button';
  import { MatIconModule } from '@angular/material/icon';
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  class MatStepLabel extends CdkStepLabel {
  }
  MatStepLabel.decorators = [
      { type: Directive, args: [{
                  selector: '[matStepLabel]',
              },] },
  ];
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Stepper data that is required for internationalization.
   */
  class MatStepperIntl {
      constructor() {
          /**
           * Stream that emits whenever the labels here are changed. Use this to notify
           * components if the labels have changed after initialization.
           */
          this.changes = new Subject();
          /**
           * Label that is rendered below optional steps.
           */
          this.optionalLabel = 'Optional';
      }
  }
  MatStepperIntl.decorators = [
      { type: Injectable, args: [{ providedIn: 'root' },] },
  ];
  /** @nocollapse */ MatStepperIntl.ngInjectableDef = defineInjectable({ factory: function MatStepperIntl_Factory() { return new MatStepperIntl(); }, token: MatStepperIntl, providedIn: "root" });
  /**
   * \@docs-private
   * @param {?} parentIntl
   * @return {?}
   */
  function MAT_STEPPER_INTL_PROVIDER_FACTORY(parentIntl) {
      return parentIntl || new MatStepperIntl();
  }
  /**
   * \@docs-private
   * @type {?}
   */
  const MAT_STEPPER_INTL_PROVIDER = {
      provide: MatStepperIntl,
      deps: [[new Optional(), new SkipSelf(), MatStepperIntl]],
      useFactory: MAT_STEPPER_INTL_PROVIDER_FACTORY
  };
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  class MatStepHeader extends CdkStepHeader {
      /**
       * @param {?} _intl
       * @param {?} _focusMonitor
       * @param {?} _elementRef
       * @param {?} changeDetectorRef
       */
      constructor(_intl, _focusMonitor, _elementRef, changeDetectorRef) {
          super(_elementRef);
          this._intl = _intl;
          this._focusMonitor = _focusMonitor;
          _focusMonitor.monitor(_elementRef, true);
          this._intlSubscription = _intl.changes.subscribe(() => changeDetectorRef.markForCheck());
      }
      /**
       * @return {?}
       */
      ngOnDestroy() {
          this._intlSubscription.unsubscribe();
          this._focusMonitor.stopMonitoring(this._elementRef);
      }
      /**
       * Returns string label of given step if it is a text label.
       * @return {?}
       */
      _stringLabel() {
          return this.label instanceof MatStepLabel ? null : this.label;
      }
      /**
       * Returns MatStepLabel if the label of given step is a template label.
       * @return {?}
       */
      _templateLabel() {
          return this.label instanceof MatStepLabel ? this.label : null;
      }
      /**
       * Returns the host HTML element.
       * @return {?}
       */
      _getHostElement() {
          return this._elementRef.nativeElement;
      }
      /**
       * Template context variables that are exposed to the `matStepperIcon` instances.
       * @return {?}
       */
      _getIconContext() {
          return {
              index: this.index,
              active: this.active,
              optional: this.optional
          };
      }
      /**
       * @param {?} state
       * @return {?}
       */
      _getDefaultTextForState(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: 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: ViewEncapsulation.None,
                  changeDetection: ChangeDetectionStrategy.OnPush,
              },] },
  ];
  /** @nocollapse */
  MatStepHeader.ctorParameters = () => [
      { type: MatStepperIntl },
      { type: FocusMonitor },
      { type: ElementRef },
      { type: ChangeDetectorRef }
  ];
  MatStepHeader.propDecorators = {
      state: [{ type: Input }],
      label: [{ type: Input }],
      errorMessage: [{ type: Input }],
      iconOverrides: [{ type: Input }],
      index: [{ type: Input }],
      selected: [{ type: Input }],
      active: [{ type: Input }],
      optional: [{ type: Input }]
  };
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Animations used by the Material steppers.
   * \@docs-private
   * @type {?}
   */
  const matStepperAnimations = {
      /**
       * Animation that transitions the step along the X axis in a horizontal stepper.
       */
      horizontalStepTransition: trigger('stepTransition', [
          state('previous', style({ transform: 'translate3d(-100%, 0, 0)', visibility: 'hidden' })),
          state('current', style({ transform: 'none', visibility: 'visible' })),
          state('next', style({ transform: 'translate3d(100%, 0, 0)', visibility: 'hidden' })),
          transition('* => *', animate('500ms cubic-bezier(0.35, 0, 0.25, 1)'))
      ]),
      /**
       * Animation that transitions the step along the Y axis in a vertical stepper.
       */
      verticalStepTransition: trigger('stepTransition', [
          state('previous', style({ height: '0px', visibility: 'hidden' })),
          state('next', style({ height: '0px', visibility: 'hidden' })),
          state('current', style({ height: '*', visibility: 'visible' })),
          transition('* <=> current', 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.
   */
  class MatStepperIcon {
      /**
       * @param {?} templateRef
       */
      constructor(templateRef) {
          this.templateRef = templateRef;
      }
  }
  MatStepperIcon.decorators = [
      { type: Directive, args: [{
                  selector: 'ng-template[matStepperIcon]',
              },] },
  ];
  /** @nocollapse */
  MatStepperIcon.ctorParameters = () => [
      { type: TemplateRef }
  ];
  MatStepperIcon.propDecorators = {
      name: [{ type: Input, args: ['matStepperIcon',] }]
  };
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  class MatStep extends CdkStep {
      /**
       * \@breaking-change 8.0.0 remove the `?` after `stepperOptions`
       * @param {?} stepper
       * @param {?} _errorStateMatcher
       * @param {?=} stepperOptions
       */
      constructor(stepper, _errorStateMatcher, stepperOptions) {
          super(stepper, stepperOptions);
          this._errorStateMatcher = _errorStateMatcher;
      }
      /**
       * Custom error state matcher that additionally checks for validity of interacted form.
       * @param {?} control
       * @param {?} form
       * @return {?}
       */
      isErrorState(control, form) {
          /** @type {?} */
          const 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 {?} */
          const customErrorState = !!(control && control.invalid && this.interacted);
          return originalErrorState || customErrorState;
      }
  }
  MatStep.decorators = [
      { type: Component, args: [{selector: 'mat-step',
                  template: "<ng-template><ng-content></ng-content></ng-template>",
                  providers: [{ provide: ErrorStateMatcher, useExisting: MatStep }],
                  encapsulation: ViewEncapsulation.None,
                  exportAs: 'matStep',
                  changeDetection: ChangeDetectionStrategy.OnPush,
              },] },
  ];
  /** @nocollapse */
  MatStep.ctorParameters = () => [
      { type: MatStepper, decorators: [{ type: Inject, args: [forwardRef(() => MatStepper),] }] },
      { type: ErrorStateMatcher, decorators: [{ type: SkipSelf }] },
      { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [STEPPER_GLOBAL_OPTIONS,] }] }
  ];
  MatStep.propDecorators = {
      stepLabel: [{ type: ContentChild, args: [MatStepLabel,] }]
  };
  class MatStepper extends CdkStepper {
      constructor() {
          super(...arguments);
          /**
           * Event emitted when the current step is done transitioning in.
           */
          this.animationDone = new 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 Subject();
      }
      /**
       * @return {?}
       */
      ngAfterContentInit() {
          this._icons.forEach(({ name, templateRef }) => this._iconOverrides[name] = templateRef);
          // Mark the component for change detection whenever the content children query changes
          this._steps.changes.pipe(takeUntil(this._destroyed)).subscribe(() => 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
          distinctUntilChanged((x, y) => x.fromState === y.fromState && x.toState === y.toState), takeUntil(this._destroyed)).subscribe(event => {
              if (((/** @type {?} */ (event.toState))) === 'current') {
                  this.animationDone.emit();
              }
          });
      }
  }
  MatStepper.decorators = [
      { type: Directive, args: [{
                  selector: '[matStepper]'
              },] },
  ];
  MatStepper.propDecorators = {
      _stepHeader: [{ type: ViewChildren, args: [MatStepHeader,] }],
      _steps: [{ type: ContentChildren, args: [MatStep,] }],
      _icons: [{ type: ContentChildren, args: [MatStepperIcon,] }],
      animationDone: [{ type: Output }]
  };
  class MatHorizontalStepper extends MatStepper {
      constructor() {
          super(...arguments);
          /**
           * Whether the label should display in bottom or end position.
           */
          this.labelPosition = 'end';
      }
  }
  MatHorizontalStepper.decorators = [
      { type: 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: ViewEncapsulation.None,
                  changeDetection: ChangeDetectionStrategy.OnPush,
              },] },
  ];
  MatHorizontalStepper.propDecorators = {
      labelPosition: [{ type: Input }]
  };
  class MatVerticalStepper extends MatStepper {
      /**
       * @param {?} dir
       * @param {?} changeDetectorRef
       * @param {?=} elementRef
       * @param {?=} _document
       */
      constructor(dir, changeDetectorRef, 
      // @breaking-change 8.0.0 `elementRef` and `_document` parameters to become required.
      elementRef, _document) {
          super(dir, changeDetectorRef, elementRef, _document);
          this._orientation = 'vertical';
      }
  }
  MatVerticalStepper.decorators = [
      { type: 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: ViewEncapsulation.None,
                  changeDetection: ChangeDetectionStrategy.OnPush,
              },] },
  ];
  /** @nocollapse */
  MatVerticalStepper.ctorParameters = () => [
      { type: Directionality, decorators: [{ type: Optional }] },
      { type: ChangeDetectorRef },
      { type: ElementRef },
      { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }
  ];
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  /**
   * Button that moves to the next step in a stepper workflow.
   */
  class MatStepperNext extends CdkStepperNext {
  }
  MatStepperNext.decorators = [
      { type: Directive, args: [{
                  selector: 'button[matStepperNext]',
                  host: {
                      '(click)': '_stepper.next()',
                      '[type]': 'type',
                  },
                  inputs: ['type'],
                  providers: [{ provide: CdkStepper, useExisting: MatStepper }]
              },] },
  ];
  /**
   * Button that moves to the previous step in a stepper workflow.
   */
  class MatStepperPrevious extends CdkStepperPrevious {
  }
  MatStepperPrevious.decorators = [
      { type: Directive, args: [{
                  selector: 'button[matStepperPrevious]',
                  host: {
                      '(click)': '_stepper.previous()',
                      '[type]': 'type',
                  },
                  inputs: ['type'],
                  providers: [{ provide: CdkStepper, useExisting: MatStepper }]
              },] },
  ];
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  class MatStepperModule {
  }
  MatStepperModule.decorators = [
      { type: NgModule, args: [{
                  imports: [
                      MatCommonModule,
                      CommonModule,
                      PortalModule,
                      MatButtonModule,
                      CdkStepperModule,
                      MatIconModule,
                      MatRippleModule,
                  ],
                  exports: [
                      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, ErrorStateMatcher],
              },] },
  ];
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
   */
  
  export { MatStepperModule, MatStepLabel, MatStep, MatStepper, MatHorizontalStepper, MatVerticalStepper, MatStepperNext, MatStepperPrevious, MatStepHeader, MAT_STEPPER_INTL_PROVIDER_FACTORY, MatStepperIntl, MAT_STEPPER_INTL_PROVIDER, matStepperAnimations, MatStepperIcon };
  //# sourceMappingURL=stepper.js.map
  