export declare function elapsedMillis(since: bigint): number;
export declare function omitEmptyValues<T extends Record<string, any>>(dict: T): T;
export declare function touchFileSync(filePath: string): void;
export declare function mergeAbortSignals(signals: Array<AbortSignal | undefined>): AbortSignal;
export declare function getRandomNumber(min: number, max: number): number;
export declare function printActiveHandles(): void;
export declare function formatBytesPerSecond(speed: number): string;