import { LitElement } from 'lit';
import { Order } from './table.utils';
export declare class TableHeaderCellElement extends LitElement {
    static styles: import('lit').CSSResult;
    role: string;
    scope: string;
    selectable: boolean;
    selected: boolean;
    sortable: boolean;
    sorted: Order | undefined;
    private observer;
    connectedCallback(): void;
    disconnectedCallback(): void;
    render(): import('lit').TemplateResult<1>;
    private handleSelect;
    private handleSort;
    private setupParentObserver;
}
declare global {
    interface HTMLElementTagNameMap {
        'cds-table-header-cell': TableHeaderCellElement;
    }
}