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 { InjectionToken, Attribute, ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, EventEmitter, forwardRef, Inject, Input, Optional, Output, ViewChild, ViewEncapsulation, Directive, NgModule } from '@angular/core';
  import { FocusMonitor } from '@angular/cdk/a11y';
  import { coerceBooleanProperty } from '@angular/cdk/coercion';
  import { NG_VALUE_ACCESSOR, CheckboxRequiredValidator, NG_VALIDATORS } from '@angular/forms';
  import { MatRipple, mixinColor, mixinDisabled, mixinDisableRipple, mixinTabIndex, MatCommonModule, MatRippleModule } from '@angular/material/core';
  import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';
  import { ObserversModule } from '@angular/cdk/observers';
  import { CommonModule } from '@angular/common';
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes} checked by tsc
   */
  /**
   * Injection token that can be used to specify the checkbox click behavior.
   */
  const /** @type {?} */ MAT_CHECKBOX_CLICK_ACTION = new InjectionToken('mat-checkbox-click-action');
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes} checked by tsc
   */
  // Increasing integer for generating unique ids for checkbox components.
  let /** @type {?} */ nextUniqueId = 0;
  /**
   * Provider Expression that allows mat-checkbox to register as a ControlValueAccessor.
   * This allows it to support [(ngModel)].
   * \@docs-private
   */
  const /** @type {?} */ MAT_CHECKBOX_CONTROL_VALUE_ACCESSOR = {
      provide: NG_VALUE_ACCESSOR,
      useExisting: forwardRef(() => MatCheckbox),
      multi: true
  };
  /** @enum {number} */
  const TransitionCheckState = {
      /** The initial state of the component before any user interaction. */
      Init: 0,
      /** The state representing the component when it's becoming checked. */
      Checked: 1,
      /** The state representing the component when it's becoming unchecked. */
      Unchecked: 2,
      /** The state representing the component when it's becoming indeterminate. */
      Indeterminate: 3,
  };
  TransitionCheckState[TransitionCheckState.Init] = "Init";
  TransitionCheckState[TransitionCheckState.Checked] = "Checked";
  TransitionCheckState[TransitionCheckState.Unchecked] = "Unchecked";
  TransitionCheckState[TransitionCheckState.Indeterminate] = "Indeterminate";
  /**
   * Change event object emitted by MatCheckbox.
   */
  class MatCheckboxChange {
  }
  /**
   * \@docs-private
   */
  class MatCheckboxBase {
      /**
       * @param {?} _elementRef
       */
      constructor(_elementRef) {
          this._elementRef = _elementRef;
      }
  }
  const /** @type {?} */ _MatCheckboxMixinBase = mixinTabIndex(mixinColor(mixinDisableRipple(mixinDisabled(MatCheckboxBase)), 'accent'));
  /**
   * A material design checkbox component. Supports all of the functionality of an HTML5 checkbox,
   * and exposes a similar API. A MatCheckbox can be either checked, unchecked, indeterminate, or
   * disabled. Note that all additional accessibility attributes are taken care of by the component,
   * so there is no need to provide them yourself. However, if you want to omit a label and still
   * have the checkbox be accessible, you may supply an [aria-label] input.
   * See: https://material.io/design/components/selection-controls.html
   */
  class MatCheckbox extends _MatCheckboxMixinBase {
      /**
       * @param {?} elementRef
       * @param {?} _changeDetectorRef
       * @param {?} _focusMonitor
       * @param {?} tabIndex
       * @param {?} _clickAction
       * @param {?=} _animationMode
       */
      constructor(elementRef, _changeDetectorRef, _focusMonitor, tabIndex, _clickAction, _animationMode) {
          super(elementRef);
          this._changeDetectorRef = _changeDetectorRef;
          this._focusMonitor = _focusMonitor;
          this._clickAction = _clickAction;
          this._animationMode = _animationMode;
          /**
           * Attached to the aria-label attribute of the host element. In most cases, arial-labelledby will
           * take precedence so this may be omitted.
           */
          this.ariaLabel = '';
          /**
           * Users can specify the `aria-labelledby` attribute which will be forwarded to the input element
           */
          this.ariaLabelledby = null;
          this._uniqueId = `mat-checkbox-${++nextUniqueId}`;
          /**
           * A unique id for the checkbox input. If none is supplied, it will be auto-generated.
           */
          this.id = this._uniqueId;
          /**
           * Whether the label should appear after or before the checkbox. Defaults to 'after'
           */
          this.labelPosition = 'after';
          /**
           * Name value will be applied to the input element if present
           */
          this.name = null;
          /**
           * Event emitted when the checkbox's `checked` value changes.
           */
          this.change = new EventEmitter();
          /**
           * Event emitted when the checkbox's `indeterminate` value changes.
           */
          this.indeterminateChange = new EventEmitter();
          /**
           * Called when the checkbox is blurred. Needed to properly implement ControlValueAccessor.
           * \@docs-private
           */
          this._onTouched = () => { };
          this._currentAnimationClass = '';
          this._currentCheckState = TransitionCheckState.Init;
          this._controlValueAccessorChangeFn = () => { };
          this._checked = false;
          this._disabled = false;
          this._indeterminate = false;
          this.tabIndex = parseInt(tabIndex) || 0;
      }
      /**
       * Returns the unique id for the visual hidden input.
       * @return {?}
       */
      get inputId() { return `${this.id || this._uniqueId}-input`; }
      /**
       * Whether the checkbox is required.
       * @return {?}
       */
      get required() { return this._required; }
      /**
       * @param {?} value
       * @return {?}
       */
      set required(value) { this._required = coerceBooleanProperty(value); }
      /**
       * @return {?}
       */
      ngAfterViewInit() {
          this._focusMonitor
              .monitor(this._inputElement.nativeElement)
              .subscribe(focusOrigin => this._onInputFocusChange(focusOrigin));
      }
      /**
       * @return {?}
       */
      ngOnDestroy() {
          this._focusMonitor.stopMonitoring(this._inputElement.nativeElement);
      }
      /**
       * Whether the checkbox is checked.
       * @return {?}
       */
      get checked() { return this._checked; }
      /**
       * @param {?} value
       * @return {?}
       */
      set checked(value) {
          if (value != this.checked) {
              this._checked = value;
              this._changeDetectorRef.markForCheck();
          }
      }
      /**
       * Whether the checkbox is disabled. This fully overrides the implementation provided by
       * mixinDisabled, but the mixin is still required because mixinTabIndex requires it.
       * @return {?}
       */
      get disabled() { return this._disabled; }
      /**
       * @param {?} value
       * @return {?}
       */
      set disabled(value) {
          if (value != this.disabled) {
              this._disabled = value;
              this._changeDetectorRef.markForCheck();
          }
      }
      /**
       * Whether the checkbox is indeterminate. This is also known as "mixed" mode and can be used to
       * represent a checkbox with three states, e.g. a checkbox that represents a nested list of
       * checkable items. Note that whenever checkbox is manually clicked, indeterminate is immediately
       * set to false.
       * @return {?}
       */
      get indeterminate() { return this._indeterminate; }
      /**
       * @param {?} value
       * @return {?}
       */
      set indeterminate(value) {
          const /** @type {?} */ changed = value != this._indeterminate;
          this._indeterminate = value;
          if (changed) {
              if (this._indeterminate) {
                  this._transitionCheckState(TransitionCheckState.Indeterminate);
              }
              else {
                  this._transitionCheckState(this.checked ? TransitionCheckState.Checked : TransitionCheckState.Unchecked);
              }
              this.indeterminateChange.emit(this._indeterminate);
          }
      }
      /**
       * @return {?}
       */
      _isRippleDisabled() {
          return this.disableRipple || this.disabled;
      }
      /**
       * Method being called whenever the label text changes.
       * @return {?}
       */
      _onLabelTextChange() {
          // This method is getting called whenever the label of the checkbox changes.
          // Since the checkbox uses the OnPush strategy we need to notify it about the change
          // that has been recognized by the cdkObserveContent directive.
          this._changeDetectorRef.markForCheck();
      }
      /**
       * @param {?} value
       * @return {?}
       */
      writeValue(value) {
          this.checked = !!value;
      }
      /**
       * @param {?} fn
       * @return {?}
       */
      registerOnChange(fn) {
          this._controlValueAccessorChangeFn = fn;
      }
      /**
       * @param {?} fn
       * @return {?}
       */
      registerOnTouched(fn) {
          this._onTouched = fn;
      }
      /**
       * @param {?} isDisabled
       * @return {?}
       */
      setDisabledState(isDisabled) {
          this.disabled = isDisabled;
      }
      /**
       * @return {?}
       */
      _getAriaChecked() {
          return this.checked ? 'true' : (this.indeterminate ? 'mixed' : 'false');
      }
      /**
       * @param {?} newState
       * @return {?}
       */
      _transitionCheckState(newState) {
          let /** @type {?} */ oldState = this._currentCheckState;
          let /** @type {?} */ element = this._elementRef.nativeElement;
          if (oldState === newState) {
              return;
          }
          if (this._currentAnimationClass.length > 0) {
              element.classList.remove(this._currentAnimationClass);
          }
          this._currentAnimationClass = this._getAnimationClassForCheckStateTransition(oldState, newState);
          this._currentCheckState = newState;
          if (this._currentAnimationClass.length > 0) {
              element.classList.add(this._currentAnimationClass);
          }
      }
      /**
       * @return {?}
       */
      _emitChangeEvent() {
          let /** @type {?} */ event = new MatCheckboxChange();
          event.source = this;
          event.checked = this.checked;
          this._controlValueAccessorChangeFn(this.checked);
          this.change.emit(event);
      }
      /**
       * Function is called whenever the focus changes for the input element.
       * @param {?} focusOrigin
       * @return {?}
       */
      _onInputFocusChange(focusOrigin) {
          // TODO(paul): support `program`. See https://github.com/angular/material2/issues/9889
          if (!this._focusRipple && focusOrigin === 'keyboard') {
              this._focusRipple = this.ripple.launch(0, 0, { persistent: true });
          }
          else if (!focusOrigin) {
              if (this._focusRipple) {
                  this._focusRipple.fadeOut();
                  this._focusRipple = null;
              }
              this._onTouched();
          }
      }
      /**
       * Toggles the `checked` state of the checkbox.
       * @return {?}
       */
      toggle() {
          this.checked = !this.checked;
      }
      /**
       * Event handler for checkbox input element.
       * Toggles checked state if element is not disabled.
       * Do not toggle on (change) event since IE doesn't fire change event when
       *   indeterminate checkbox is clicked.
       * @param {?} event
       * @return {?}
       */
      _onInputClick(event) {
          // We have to stop propagation for click events on the visual hidden input element.
          // By default, when a user clicks on a label element, a generated click event will be
          // dispatched on the associated input element. Since we are using a label element as our
          // root container, the click event on the `checkbox` will be executed twice.
          // The real click event will bubble up, and the generated click event also tries to bubble up.
          // This will lead to multiple click events.
          // Preventing bubbling for the second event will solve that issue.
          event.stopPropagation();
          // If resetIndeterminate is false, and the current state is indeterminate, do nothing on click
          if (!this.disabled && this._clickAction !== 'noop') {
              // When user manually click on the checkbox, `indeterminate` is set to false.
              if (this.indeterminate && this._clickAction !== 'check') {
                  Promise.resolve().then(() => {
                      this._indeterminate = false;
                      this.indeterminateChange.emit(this._indeterminate);
                  });
              }
              this.toggle();
              this._transitionCheckState(this._checked ? TransitionCheckState.Checked : TransitionCheckState.Unchecked);
              // Emit our custom change event if the native input emitted one.
              // It is important to only emit it, if the native input triggered one, because
              // we don't want to trigger a change event, when the `checked` variable changes for example.
              this._emitChangeEvent();
          }
          else if (!this.disabled && this._clickAction === 'noop') {
              // Reset native input when clicked with noop. The native checkbox becomes checked after
              // click, reset it to be align with `checked` value of `mat-checkbox`.
              this._inputElement.nativeElement.checked = this.checked;
              this._inputElement.nativeElement.indeterminate = this.indeterminate;
          }
      }
      /**
       * Focuses the checkbox.
       * @return {?}
       */
      focus() {
          this._focusMonitor.focusVia(this._inputElement.nativeElement, 'keyboard');
      }
      /**
       * @param {?} event
       * @return {?}
       */
      _onInteractionEvent(event) {
          // We always have to stop propagation on the change event.
          // Otherwise the change event, from the input element, will bubble up and
          // emit its event object to the `change` output.
          event.stopPropagation();
      }
      /**
       * @param {?} oldState
       * @param {?} newState
       * @return {?}
       */
      _getAnimationClassForCheckStateTransition(oldState, newState) {
          // Don't transition if animations are disabled.
          if (this._animationMode === 'NoopAnimations') {
              return '';
          }
          let /** @type {?} */ animSuffix = '';
          switch (oldState) {
              case TransitionCheckState.Init:
                  // Handle edge case where user interacts with checkbox that does not have [(ngModel)] or
                  // [checked] bound to it.
                  if (newState === TransitionCheckState.Checked) {
                      animSuffix = 'unchecked-checked';
                  }
                  else if (newState == TransitionCheckState.Indeterminate) {
                      animSuffix = 'unchecked-indeterminate';
                  }
                  else {
                      return '';
                  }
                  break;
              case TransitionCheckState.Unchecked:
                  animSuffix = newState === TransitionCheckState.Checked ?
                      'unchecked-checked' : 'unchecked-indeterminate';
                  break;
              case TransitionCheckState.Checked:
                  animSuffix = newState === TransitionCheckState.Unchecked ?
                      'checked-unchecked' : 'checked-indeterminate';
                  break;
              case TransitionCheckState.Indeterminate:
                  animSuffix = newState === TransitionCheckState.Checked ?
                      'indeterminate-checked' : 'indeterminate-unchecked';
                  break;
          }
          return `mat-checkbox-anim-${animSuffix}`;
      }
  }
  MatCheckbox.decorators = [
      { type: Component, args: [{selector: 'mat-checkbox',
                  template: "<label [attr.for]=\"inputId\" class=\"mat-checkbox-layout\" #label><div class=\"mat-checkbox-inner-container\" [class.mat-checkbox-inner-container-no-side-margin]=\"!checkboxLabel.textContent || !checkboxLabel.textContent.trim()\"><input #input class=\"mat-checkbox-input cdk-visually-hidden\" type=\"checkbox\" [id]=\"inputId\" [required]=\"required\" [checked]=\"checked\" [attr.value]=\"value\" [disabled]=\"disabled\" [attr.name]=\"name\" [tabIndex]=\"tabIndex\" [indeterminate]=\"indeterminate\" [attr.aria-label]=\"ariaLabel || null\" [attr.aria-labelledby]=\"ariaLabelledby\" [attr.aria-checked]=\"_getAriaChecked()\" (change)=\"_onInteractionEvent($event)\" (click)=\"_onInputClick($event)\"><div matRipple class=\"mat-checkbox-ripple\" [matRippleTrigger]=\"label\" [matRippleDisabled]=\"_isRippleDisabled()\" [matRippleRadius]=\"25\" [matRippleCentered]=\"true\" [matRippleAnimation]=\"{enterDuration: 150}\"></div><div class=\"mat-checkbox-frame\"></div><div class=\"mat-checkbox-background\"><svg version=\"1.1\" focusable=\"false\" class=\"mat-checkbox-checkmark\" viewBox=\"0 0 24 24\" xml:space=\"preserve\"><path class=\"mat-checkbox-checkmark-path\" fill=\"none\" stroke=\"white\" d=\"M4.1,12.7 9,17.6 20.3,6.3\"/></svg><div class=\"mat-checkbox-mixedmark\"></div></div></div><span class=\"mat-checkbox-label\" #checkboxLabel (cdkObserveContent)=\"_onLabelTextChange()\"><span style=\"display:none\">&nbsp;</span><ng-content></ng-content></span></label>",
                  styles: ["@keyframes mat-checkbox-fade-in-background{0%{opacity:0}50%{opacity:1}}@keyframes mat-checkbox-fade-out-background{0%,50%{opacity:1}100%{opacity:0}}@keyframes mat-checkbox-unchecked-checked-checkmark-path{0%,50%{stroke-dashoffset:22.91026}50%{animation-timing-function:cubic-bezier(0,0,.2,.1)}100%{stroke-dashoffset:0}}@keyframes mat-checkbox-unchecked-indeterminate-mixedmark{0%,68.2%{transform:scaleX(0)}68.2%{animation-timing-function:cubic-bezier(0,0,0,1)}100%{transform:scaleX(1)}}@keyframes mat-checkbox-checked-unchecked-checkmark-path{from{animation-timing-function:cubic-bezier(.4,0,1,1);stroke-dashoffset:0}to{stroke-dashoffset:-22.91026}}@keyframes mat-checkbox-checked-indeterminate-checkmark{from{animation-timing-function:cubic-bezier(0,0,.2,.1);opacity:1;transform:rotate(0)}to{opacity:0;transform:rotate(45deg)}}@keyframes mat-checkbox-indeterminate-checked-checkmark{from{animation-timing-function:cubic-bezier(.14,0,0,1);opacity:0;transform:rotate(45deg)}to{opacity:1;transform:rotate(360deg)}}@keyframes mat-checkbox-checked-indeterminate-mixedmark{from{animation-timing-function:cubic-bezier(0,0,.2,.1);opacity:0;transform:rotate(-45deg)}to{opacity:1;transform:rotate(0)}}@keyframes mat-checkbox-indeterminate-checked-mixedmark{from{animation-timing-function:cubic-bezier(.14,0,0,1);opacity:1;transform:rotate(0)}to{opacity:0;transform:rotate(315deg)}}@keyframes mat-checkbox-indeterminate-unchecked-mixedmark{0%{animation-timing-function:linear;opacity:1;transform:scaleX(1)}100%,32.8%{opacity:0;transform:scaleX(0)}}.mat-checkbox-checkmark,.mat-checkbox-mixedmark{width:calc(100% - 4px)}.mat-checkbox-background,.mat-checkbox-frame{top:0;left:0;right:0;bottom:0;position:absolute;border-radius:2px;box-sizing:border-box;pointer-events:none}.mat-checkbox{transition:background .4s cubic-bezier(.25,.8,.25,1),box-shadow 280ms cubic-bezier(.4,0,.2,1);cursor:pointer;-webkit-tap-highlight-color:transparent}._mat-animation-noopable.mat-checkbox{transition:none;animation:none}.mat-checkbox-layout{cursor:inherit;align-items:baseline;vertical-align:middle;display:inline-flex;white-space:nowrap}.mat-checkbox-inner-container{display:inline-block;height:20px;line-height:0;margin:auto;margin-right:8px;order:0;position:relative;vertical-align:middle;white-space:nowrap;width:20px;flex-shrink:0}[dir=rtl] .mat-checkbox-inner-container{margin-left:8px;margin-right:auto}.mat-checkbox-inner-container-no-side-margin{margin-left:0;margin-right:0}.mat-checkbox-frame{background-color:transparent;transition:border-color 90ms cubic-bezier(0,0,.2,.1);border-width:2px;border-style:solid}._mat-animation-noopable .mat-checkbox-frame{transition:none}.mat-checkbox-background{align-items:center;display:inline-flex;justify-content:center;transition:background-color 90ms cubic-bezier(0,0,.2,.1),opacity 90ms cubic-bezier(0,0,.2,.1)}._mat-animation-noopable .mat-checkbox-background{transition:none}.mat-checkbox-checkmark{top:0;left:0;right:0;bottom:0;position:absolute;width:100%}.mat-checkbox-checkmark-path{stroke-dashoffset:22.91026;stroke-dasharray:22.91026;stroke-width:2.66667px}.mat-checkbox-mixedmark{height:2px;opacity:0;transform:scaleX(0) rotate(0)}.mat-checkbox-label-before .mat-checkbox-inner-container{order:1;margin-left:8px;margin-right:auto}[dir=rtl] .mat-checkbox-label-before .mat-checkbox-inner-container{margin-left:auto;margin-right:8px}.mat-checkbox-checked .mat-checkbox-checkmark{opacity:1}.mat-checkbox-checked .mat-checkbox-checkmark-path{stroke-dashoffset:0}.mat-checkbox-checked .mat-checkbox-mixedmark{transform:scaleX(1) rotate(-45deg)}.mat-checkbox-indeterminate .mat-checkbox-checkmark{opacity:0;transform:rotate(45deg)}.mat-checkbox-indeterminate .mat-checkbox-checkmark-path{stroke-dashoffset:0}.mat-checkbox-indeterminate .mat-checkbox-mixedmark{opacity:1;transform:scaleX(1) rotate(0)}.mat-checkbox-unchecked .mat-checkbox-background{background-color:transparent}.mat-checkbox-disabled{cursor:default}.mat-checkbox-anim-unchecked-checked .mat-checkbox-background{animation:180ms linear 0s mat-checkbox-fade-in-background}.mat-checkbox-anim-unchecked-checked .mat-checkbox-checkmark-path{animation:180ms linear 0s mat-checkbox-unchecked-checked-checkmark-path}.mat-checkbox-anim-unchecked-indeterminate .mat-checkbox-background{animation:180ms linear 0s mat-checkbox-fade-in-background}.mat-checkbox-anim-unchecked-indeterminate .mat-checkbox-mixedmark{animation:90ms linear 0s mat-checkbox-unchecked-indeterminate-mixedmark}.mat-checkbox-anim-checked-unchecked .mat-checkbox-background{animation:180ms linear 0s mat-checkbox-fade-out-background}.mat-checkbox-anim-checked-unchecked .mat-checkbox-checkmark-path{animation:90ms linear 0s mat-checkbox-checked-unchecked-checkmark-path}.mat-checkbox-anim-checked-indeterminate .mat-checkbox-checkmark{animation:90ms linear 0s mat-checkbox-checked-indeterminate-checkmark}.mat-checkbox-anim-checked-indeterminate .mat-checkbox-mixedmark{animation:90ms linear 0s mat-checkbox-checked-indeterminate-mixedmark}.mat-checkbox-anim-indeterminate-checked .mat-checkbox-checkmark{animation:.5s linear 0s mat-checkbox-indeterminate-checked-checkmark}.mat-checkbox-anim-indeterminate-checked .mat-checkbox-mixedmark{animation:.5s linear 0s mat-checkbox-indeterminate-checked-mixedmark}.mat-checkbox-anim-indeterminate-unchecked .mat-checkbox-background{animation:180ms linear 0s mat-checkbox-fade-out-background}.mat-checkbox-anim-indeterminate-unchecked .mat-checkbox-mixedmark{animation:.3s linear 0s mat-checkbox-indeterminate-unchecked-mixedmark}.mat-checkbox-input{bottom:0;left:50%}.mat-checkbox-ripple{position:absolute;left:calc(50% - 25px);top:calc(50% - 25px);height:50px;width:50px;z-index:1;pointer-events:none}"],
                  exportAs: 'matCheckbox',
                  host: {
                      'class': 'mat-checkbox',
                      '[id]': 'id',
                      '[class.mat-checkbox-indeterminate]': 'indeterminate',
                      '[class.mat-checkbox-checked]': 'checked',
                      '[class.mat-checkbox-disabled]': 'disabled',
                      '[class.mat-checkbox-label-before]': 'labelPosition == "before"',
                      '[class._mat-animation-noopable]': `_animationMode === 'NoopAnimations'`,
                  },
                  providers: [MAT_CHECKBOX_CONTROL_VALUE_ACCESSOR],
                  inputs: ['disableRipple', 'color', 'tabIndex'],
                  encapsulation: ViewEncapsulation.None,
                  changeDetection: ChangeDetectionStrategy.OnPush
              },] },
  ];
  /** @nocollapse */
  MatCheckbox.ctorParameters = () => [
      { type: ElementRef, },
      { type: ChangeDetectorRef, },
      { type: FocusMonitor, },
      { type: undefined, decorators: [{ type: Attribute, args: ['tabindex',] },] },
      { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_CHECKBOX_CLICK_ACTION,] },] },
      { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] },] },
  ];
  MatCheckbox.propDecorators = {
      "ariaLabel": [{ type: Input, args: ['aria-label',] },],
      "ariaLabelledby": [{ type: Input, args: ['aria-labelledby',] },],
      "id": [{ type: Input },],
      "required": [{ type: Input },],
      "labelPosition": [{ type: Input },],
      "name": [{ type: Input },],
      "change": [{ type: Output },],
      "indeterminateChange": [{ type: Output },],
      "value": [{ type: Input },],
      "_inputElement": [{ type: ViewChild, args: ['input',] },],
      "ripple": [{ type: ViewChild, args: [MatRipple,] },],
      "checked": [{ type: Input },],
      "disabled": [{ type: Input },],
      "indeterminate": [{ type: Input },],
  };
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes} checked by tsc
   */
  const /** @type {?} */ MAT_CHECKBOX_REQUIRED_VALIDATOR = {
      provide: NG_VALIDATORS,
      useExisting: forwardRef(() => MatCheckboxRequiredValidator),
      multi: true
  };
  /**
   * Validator for Material checkbox's required attribute in template-driven checkbox.
   * Current CheckboxRequiredValidator only work with `input type=checkbox` and does not
   * work with `mat-checkbox`.
   */
  class MatCheckboxRequiredValidator extends CheckboxRequiredValidator {
  }
  MatCheckboxRequiredValidator.decorators = [
      { type: Directive, args: [{
                  selector: `mat-checkbox[required][formControlName],
               mat-checkbox[required][formControl], mat-checkbox[required][ngModel]`,
                  providers: [MAT_CHECKBOX_REQUIRED_VALIDATOR],
                  host: { '[attr.required]': 'required ? "" : null' }
              },] },
  ];
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes} checked by tsc
   */
  class MatCheckboxModule {
  }
  MatCheckboxModule.decorators = [
      { type: NgModule, args: [{
                  imports: [CommonModule, MatRippleModule, MatCommonModule, ObserversModule],
                  exports: [MatCheckbox, MatCheckboxRequiredValidator, MatCommonModule],
                  declarations: [MatCheckbox, MatCheckboxRequiredValidator],
              },] },
  ];
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes} checked by tsc
   */
  
  /**
   * @fileoverview added by tsickle
   * @suppress {checkTypes} checked by tsc
   */
  
  export { MAT_CHECKBOX_CONTROL_VALUE_ACCESSOR, TransitionCheckState, MatCheckboxChange, MatCheckboxBase, _MatCheckboxMixinBase, MatCheckbox, MAT_CHECKBOX_CLICK_ACTION, MatCheckboxModule, MAT_CHECKBOX_REQUIRED_VALIDATOR, MatCheckboxRequiredValidator };
  //# sourceMappingURL=checkbox.js.map
  