import { ChangeDetectorRef, ElementRef, EventEmitter } from "@angular/core";
import { SortDirection } from "@spscommerce/ds-shared";
import { PinnableTableCell } from "../pinnable-table-cell";
export declare class SpsTableHeaderComponent extends PinnableTableCell {
    protected changeDetector: ChangeDetectorRef;
    elementRef: ElementRef;
    static readonly displayName = "sps-table-header / sps-th";
    static readonly props: {
        sortKey: string;
        controlCell: string;
        pinned: string;
    };
    readonly _roleAttr = "columnheader";
    readonly _spsTableHeaderClass = true;
    readonly _ariaSortAttr: "none" | SortDirection;
    readonly _tabIndexAttr: number;
    sort: SortDirection;
    sortFlipped: EventEmitter<SortDirection>;
    sortKey: string;
    readonly unsortable: boolean;
    controlCell: boolean;
    readonly isSortedAscending: boolean;
    readonly isSortedDescending: boolean;
    constructor(changeDetector: ChangeDetectorRef, elementRef: ElementRef);
    onKeyDown(event: KeyboardEvent): void;
    flipSort(): void;
    removeSort(): void;
}