import type { Ref } from '@stacksjs/stx';
/**
 * Reactive current timestamp.
 * Returns a ref containing Date.now() + offset, updated on a regular interval
 * or via requestAnimationFrame.
 *
 * @param options - Configuration options
 * @returns Ref<number> with the current timestamp
 */
export declare function useTimestamp(options?: UseTimestampOptions): Ref<number>;
declare interface UseTimestampOptions {
  offset?: number
  interval?: number | 'requestAnimationFrame'
  immediate?: boolean
}