/**
 * @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";
/**
 * To modify the labels and text displayed, create a new instance of MatPaginatorIntl and
 * include it in a custom provider
 */
export class MatPaginatorIntl {
    constructor() {
        /**
         * Stream to emit from when labels are changed. Use this to notify components when the labels have
         * changed after initialization.
         */
        this.changes = new Subject();
        /** A label for the page size selector. */
        this.itemsPerPageLabel = 'Items per page:';
        /** A label for the button that increments the current page. */
        this.nextPageLabel = 'Next page';
        /** A label for the button that decrements the current page. */
        this.previousPageLabel = 'Previous page';
        /** A label for the button that moves to the first page. */
        this.firstPageLabel = 'First page';
        /** A label for the button that moves to the last page. */
        this.lastPageLabel = 'Last page';
        /** A label for the range of items within the current page and the length of the whole list. */
        this.getRangeLabel = (page, pageSize, length) => {
            if (length == 0 || pageSize == 0) {
                return `0 of ${length}`;
            }
            length = Math.max(length, 0);
            const startIndex = page * pageSize;
            // If the start index exceeds the list length, do not try and fix the end index to the end.
            const endIndex = startIndex < length ? Math.min(startIndex + pageSize, length) : startIndex + pageSize;
            return `${startIndex + 1} – ${endIndex} of ${length}`;
        };
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatPaginatorIntl, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatPaginatorIntl, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatPaginatorIntl, decorators: [{
            type: Injectable,
            args: [{ providedIn: 'root' }]
        }] });
/** @docs-private */
export function MAT_PAGINATOR_INTL_PROVIDER_FACTORY(parentIntl) {
    return parentIntl || new MatPaginatorIntl();
}
/** @docs-private */
export const MAT_PAGINATOR_INTL_PROVIDER = {
    // If there is already an MatPaginatorIntl available, use that. Otherwise, provide a new one.
    provide: MatPaginatorIntl,
    deps: [[new Optional(), new SkipSelf(), MatPaginatorIntl]],
    useFactory: MAT_PAGINATOR_INTL_PROVIDER_FACTORY,
};
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