/**
 * @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 { Injectable, Optional, SkipSelf } from '@angular/core';
import { Subject } from 'rxjs';
import * as i0 from "@angular/core";
/** Stepper data that is required for internationalization. */
export 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';
        /** Label that is used to indicate step as completed to screen readers. */
        this.completedLabel = 'Completed';
        /** Label that is used to indicate step as editable to screen readers. */
        this.editableLabel = 'Editable';
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatStepperIntl, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatStepperIntl, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatStepperIntl, decorators: [{
            type: Injectable,
            args: [{ providedIn: 'root' }]
        }] });
/** @docs-private */
export function MAT_STEPPER_INTL_PROVIDER_FACTORY(parentIntl) {
    return parentIntl || new MatStepperIntl();
}
/** @docs-private */
export const MAT_STEPPER_INTL_PROVIDER = {
    provide: MatStepperIntl,
    deps: [[new Optional(), new SkipSelf(), MatStepperIntl]],
    useFactory: MAT_STEPPER_INTL_PROVIDER_FACTORY,
};
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