import type { Ref } from '@stacksjs/stx';
/**
 * Call a function on a regular interval.
 * Provides pause/resume controls and auto-cleanup on unmount.
 *
 * @param cb - The callback to invoke on each interval tick
 * @param interval - Interval duration in milliseconds (default 1000)
 * @param options - Configuration options
 * @returns Controls to pause, resume, and check active state
 */
export declare function useIntervalFn(cb: () => void, interval?: number, options?: { immediate?: boolean }): UseIntervalFnReturn;
declare interface UseIntervalFnReturn {
  pause: () => void
  resume: () => void
  isActive: Ref<boolean>
}