export declare const STATS_TICK_MS = 300000;
export interface StatsTickerBot {
    getStats(): {
        activeSessions: number;
        totalChats: number;
    };
    getBusySessionCount(): number;
}
export interface StatsTickerOptions {
    bot: StatsTickerBot;
    spawnedVersion: string;
    intervalMs?: number;
    log?: (message: string) => void;
    warn?: (message: string) => void;
    exit?: (code: number) => void;
    readVersion?: () => string;
}
export declare function runStatsTick(options: StatsTickerOptions & {
    deferrals: number;
}): number;
export declare function startStatsTicker(options: StatsTickerOptions): NodeJS.Timeout;