import type { RefObject } from "react";
type Options = {
    footerClass?: string | Array<string>;
    enabled?: boolean;
    bodySelector?: string;
    footerSelector?: string;
};
type ElementRef = HTMLElement | null;
type ElementRefLike = ElementRef | RefObject<ElementRef>;
/**
 * Observes the modal body within the given root element and toggles a top border on the footer
 * when the body becomes vertically scrollable.
 *
 * Thin wrapper around `useOverflowBorder` with modal-specific defaults.
 *
 * @param rootRef Root element that contains both the modal body and footer.
 * @param options Optional configuration.
 * @param options.footerClass CSS class(es) toggled on the footer when the body is scrollable. Defaults to "border-t".
 * @param options.enabled Whether the hook is active. Defaults to true.
 * @param options.bodySelector CSS selector to locate the body element. Defaults to "[data-modal-body]".
 * @param options.footerSelector CSS selector to locate the footer element. Defaults to "[data-modal-footer]".
 */
export declare const useModalFooterBorder: (rootRef: ElementRefLike, { footerClass, enabled, bodySelector, footerSelector, }?: Options) => void;
export {};