/**
 * Hook to simulate CSS `var(--bf-animation-duration)`
 * @param duration Optional animation duration in ms (default `200`)
 * @returns `0` for users with `prefers-reduced-motion`, otherwise the specified duration (default `200`)
 * @example
 * // 0` for users with `prefers-reduced-motion`, otherwise 200
 * const animationDuration = useAnimationDuration()
 * @example
 * // 0` for users with `prefers-reduced-motion`, otherwise 500
 * const animationDuration = useAnimationDuration(500)
 */
declare const useAnimationDuration: (duration?: number) => number;
export default useAnimationDuration;