/**
 * @hidden
 * Utility function to get currentTime in UTC milliseconds.
 * @returns
 */
export declare function getCurrentTimestampInMs(): number;
/**
 * @hidden
 * Utility function to start a background task that runs at specified intervals.
 * @param action - A function that returns a Promise, representing the task to be executed.
 * @param intervalMs - The interval in milliseconds at which the task should run.
 * @returns A NodeJS.Timeout object representing the timer for the background task.
 */
export declare function startBackgroundTask(action: () => Promise<void>, intervalMs: number): NodeJS.Timeout;
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