import type { DataTableColumn, DataTableSort } from "./data-table.js";
/**
 * Shared controlled/uncontrolled sort state for both DataTable modes.
 * Cycle: none → asc → desc → none. Client-side sorting applies only in
 * uncontrolled mode (controlled consumers pre-sort their data).
 */
export declare function useDataTableSort<T>(opts: {
    data: T[];
    columns: DataTableColumn<T>[];
    defaultSort?: DataTableSort;
    sort?: DataTableSort | null;
    onSortChange?: (sort: DataTableSort | null) => void;
    /** Fired on uncontrolled sort change (EC-8: page reset in paginated mode). */
    onUncontrolledSortChange?: () => void;
}): {
    sort: DataTableSort | null;
    handleSort: (columnKey: string) => void;
    sortedData: T[];
};