import type { MaybeRef } from './_shared';
import type { Ref } from '@stacksjs/stx';
/**
 * Reactive scroll lock.
 * Returns a writable ref: set to true to lock scrolling, false to unlock.
 * Sets `overflow: hidden` on the target element.
 *
 * @param element - Target element to lock (defaults to document.body)
 */
export declare function useScrollLock(element?: MaybeRef<HTMLElement | null>): Ref<boolean>;