/**
 * @license
 * Copyright 2023 Nuraly, Laabidi Aymen
 * SPDX-License-Identifier: MIT
 */
import { KeyboardController } from '../interfaces/focus-controller.interface.js';
/**
 * Controller that manages keyboard navigation for radio groups
 * This controller ACTUALLY handles keyboard events instead of being a fake controller
 */
export declare class RadioKeyboardController implements KeyboardController {
    private groupController;
    private host;
    private boundKeyDownHandler;
    constructor(host: any, groupController: any);
    hostConnected(): void;
    hostDisconnected(): void;
    handleKeyDown(event: KeyboardEvent): void;
    private selectNextOption;
    private selectPreviousOption;
    private selectFirstEnabledOption;
    private selectLastEnabledOption;
}
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