import { TableSortDirective } from './table-sort.directive';
import * as i0 from "@angular/core";
export declare class TableSortHeaderDirective {
    tableSort: TableSortDirective;
    sortHeader: string;
    constructor(tableSort: TableSortDirective);
    emitSortChange(): void;
    isSorted(): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<TableSortHeaderDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TableSortHeaderDirective, "[spTableSortHeader]", never, { "sortHeader": "spTableSortHeader"; }, {}, never, never, false, never>;
}