import { BasicKeyHandler, DataGrid } from '@lumino/datagrid';
/**
 * ipydatagrid specific KeyHandler class for handling
 * key events. Only polymorphed events are listed here,
 * the rest are ihnerited and used as is from the
 * parent class.
 */
export declare class KeyHandler extends BasicKeyHandler {
    constructor();
    /**
     * Handle the `'Escape'` key press for the data grid.
     *
     * @param grid - The data grid of interest.
     *
     * @param event - The keyboard event of interest.
     */
    protected onEscape(grid: DataGrid, event: KeyboardEvent): void;
}