import { Keybinding, ViewModel } from '@farris/devkit';
import { Observable } from 'rxjs';
/**
 * 快捷键服务
 * @scope FormModule
 */
export declare class KeybindingService {
    private keyMap;
    private bindingProvider;
    private ready;
    constructor();
    /**
     * 对视图模型设置的快捷键进行绑定处理
     * @param viewModel 视图模型
     */
    bind(viewModel: ViewModel): void;
    /**
     * 注册快捷键
     * @param binding 键盘绑定信息
     * @param handler 响应事件
     */
    register(binding: Keybinding, handler: () => Observable<any>): void;
    /**
     * 取消快捷键注册
     * @param binding 键盘绑定信息
     */
    unregister(binding: Keybinding): void;
    private _dispatch;
    /**
     * 返回ctrl+shift+alt+a形式的组合字符串，全部为小写
     * @param keyInfo
     */
    private _getCombo;
}