import type { ReactiveController, ReactiveControllerHost } from 'lit';
export interface LightDismissOptions {
    isOpen: () => boolean;
    onDismiss: EventListener;
    isDismissible?: (node: EventTarget) => boolean;
}
export declare class LightDismissController implements ReactiveController {
    private host;
    private options;
    private shortcut;
    private events;
    private isMouseDownOutside;
    constructor(host: ReactiveControllerHost & Element, options: LightDismissOptions);
    hostConnected(): void;
    private handleEsc;
    private handleMouseDown;
    private handleClick;
}