/**
 * @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, forwardRef } from '@angular/core';
import { CheckboxRequiredValidator, NG_VALIDATORS } from '@angular/forms';
import * as i0 from "@angular/core";
export const MAT_SLIDE_TOGGLE_REQUIRED_VALIDATOR = {
    provide: NG_VALIDATORS,
    useExisting: forwardRef(() => MatSlideToggleRequiredValidator),
    multi: true,
};
/**
 * Validator for Material slide-toggle components with the required attribute in a
 * template-driven form. The default validator for required form controls asserts
 * that the control value is not undefined but that is not appropriate for a slide-toggle
 * where the value is always defined.
 *
 * Required slide-toggle form controls are valid when checked.
 */
export class MatSlideToggleRequiredValidator extends CheckboxRequiredValidator {
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatSlideToggleRequiredValidator, deps: null, target: i0.ɵɵFactoryTarget.Directive }); }
    static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.1.1", type: MatSlideToggleRequiredValidator, selector: "mat-slide-toggle[required][formControlName],\n             mat-slide-toggle[required][formControl], mat-slide-toggle[required][ngModel]", providers: [MAT_SLIDE_TOGGLE_REQUIRED_VALIDATOR], usesInheritance: true, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatSlideToggleRequiredValidator, decorators: [{
            type: Directive,
            args: [{
                    selector: `mat-slide-toggle[required][formControlName],
             mat-slide-toggle[required][formControl], mat-slide-toggle[required][ngModel]`,
                    providers: [MAT_SLIDE_TOGGLE_REQUIRED_VALIDATOR],
                }]
        }] });
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