/**
 * Class decorator to monitor and warn about potential memory leaks.
 * Works in both Node.js and browser environments.
 *
 * @param checkIntervalMs - Interval in milliseconds to check memory usage.
 * @param thresholdPercent - Percentage increase in memory usage to trigger warning.
 * @param logger - Logging function to use for warnings.
 * @param enableManualGC - Enables manual garbage collection in Node.js (requires --expose-gc flag).
 */
export declare function WarnMemoryLeak(checkIntervalMs?: number, thresholdPercent?: number, logger?: (msg: string) => void, enableManualGC?: boolean): (target: any) => {
    new (...args: any[]): {
        [x: string]: any;
        intervalId: NodeJS.Timeout | number | null;
        initialMemoryUsage: number | undefined;
        className: string;
        setupMemoryLeakCheck(): void;
        cleanup(): void;
    };
    [x: string]: any;
};