export interface InactivityConfig {
    timeoutMinutes: number;
    warningMinutes: number;
}
export interface InactivityEvents {
    'inactivity-warning': {
        remainingSeconds: number;
    };
    'inactivity-timeout': void;
    'inactivity-reset': void;
}
type EventListener<T = any> = (data: T) => void;
export declare class InactivityService {
    private config;
    private warningId;
    private timeoutId;
    private lastActivity;
    private isActive;
    private eventListeners;
    constructor(config: InactivityConfig);
    private setupActivityListeners;
    private checkTimeout;
    on<K extends keyof InactivityEvents>(event: K, listener: EventListener<InactivityEvents[K]>): void;
    off<K extends keyof InactivityEvents>(event: K, listener: EventListener<InactivityEvents[K]>): void;
    private emit;
    start(): void;
    stop(): void;
    resetTimer(): void;
    private scheduleTimers;
    private clearTimers;
    destroy(): void;
}
export {};
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