import * as i0 from "@angular/core";
export declare class TableSortService {
    private tableStorageService;
    private sortKey;
    private sortDirection;
    updateSort(column: string | number): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TableSortService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TableSortService>;
}