import { OnDestroy } from '@angular/core';
import { Subject } from 'rxjs';
import { MatSort } from '@angular/material/sort';
import { SortValue } from '../models/sort-value';
import { SortDirectionEnum } from '../models/sortDirectionEnum';
import * as i0 from "@angular/core";
export declare class SortService implements OnDestroy {
    private _subscrSortEvent;
    private sorter;
    order_by: string;
    sort: SortDirectionEnum;
    get(): SortValue;
    set(value: SortValue): void;
    onChange: Subject<SortValue>;
    subscribe(sorter: MatSort): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SortService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SortService>;
}