/**
 * @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 } from '@angular/core';
import { Subject } from 'rxjs';
import * as i0 from "@angular/core";
/** Datepicker data that requires internationalization. */
export class MatDatepickerIntl {
    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();
        /** A label for the calendar popup (used by screen readers). */
        this.calendarLabel = 'Calendar';
        /** A label for the button used to open the calendar popup (used by screen readers). */
        this.openCalendarLabel = 'Open calendar';
        /** Label for the button used to close the calendar popup. */
        this.closeCalendarLabel = 'Close calendar';
        /** A label for the previous month button (used by screen readers). */
        this.prevMonthLabel = 'Previous month';
        /** A label for the next month button (used by screen readers). */
        this.nextMonthLabel = 'Next month';
        /** A label for the previous year button (used by screen readers). */
        this.prevYearLabel = 'Previous year';
        /** A label for the next year button (used by screen readers). */
        this.nextYearLabel = 'Next year';
        /** A label for the previous multi-year button (used by screen readers). */
        this.prevMultiYearLabel = 'Previous 24 years';
        /** A label for the next multi-year button (used by screen readers). */
        this.nextMultiYearLabel = 'Next 24 years';
        /** A label for the 'switch to month view' button (used by screen readers). */
        this.switchToMonthViewLabel = 'Choose date';
        /** A label for the 'switch to year view' button (used by screen readers). */
        this.switchToMultiYearViewLabel = 'Choose month and year';
        /**
         * A label for the first date of a range of dates (used by screen readers).
         * @deprecated Provide your own internationalization string.
         * @breaking-change 17.0.0
         */
        this.startDateLabel = 'Start date';
        /**
         * A label for the last date of a range of dates (used by screen readers).
         * @deprecated Provide your own internationalization string.
         * @breaking-change 17.0.0
         */
        this.endDateLabel = 'End date';
    }
    /** Formats a range of years (used for visuals). */
    formatYearRange(start, end) {
        return `${start} \u2013 ${end}`;
    }
    /** Formats a label for a range of years (used by screen readers). */
    formatYearRangeLabel(start, end) {
        return `${start} to ${end}`;
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatDatepickerIntl, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatDatepickerIntl, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatDatepickerIntl, decorators: [{
            type: Injectable,
            args: [{ providedIn: 'root' }]
        }] });
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