import { ReactiveController, ReactiveElement } from "lit";
export declare class IdleController implements ReactiveController {
    private host;
    timer: number;
    callback: (value: boolean) => void;
    constructor(host: ReactiveElement & {
        idleTimeout: number;
    }, callback: (value: boolean) => void);
    hostConnected(): void;
    hostDisconnected(): void;
    start: () => void;
    clear: () => void;
    reset: () => void;
}