export declare class XmppMemoryMonitor {
    private static monitoringInterval;
    private static warningThreshold;
    private static criticalThreshold;
    static startMonitoring(intervalMs?: number): void;
    static stopMonitoring(): void;
    static setThresholds(warning: number, critical: number): void;
    static getCurrentCount(): number;
    static forceCleanup(): void;
    static getListenerInfo(): Array<{
        key: string;
        eventType: string;
        timestamp: number;
        age: number;
    }>;
}
