import * as react_jsx_runtime from 'react/jsx-runtime';
import { ReactNode, RefObject, ComponentProps } from 'react';

interface TOCItemType {
    title: ReactNode;
    url: string;
    depth: number;
}
type TableOfContents = TOCItemType[];
/**
 * The estimated active heading ID
 */
declare function useActiveAnchor(): string | undefined;
/**
 * The id of visible anchors
 */
declare function useActiveAnchors(): string[];
interface AnchorProviderProps {
    toc: TableOfContents;
    /**
     * Only accept one active item at most
     *
     * @defaultValue false
     */
    single?: boolean;
    children?: ReactNode;
}
interface ScrollProviderProps {
    /**
     * Scroll into the view of container when active
     */
    containerRef: RefObject<HTMLElement | null>;
    children?: ReactNode;
}
declare function ScrollProvider({ containerRef, children, }: ScrollProviderProps): react_jsx_runtime.JSX.Element;
declare function AnchorProvider({ toc, single, children, }: AnchorProviderProps): react_jsx_runtime.JSX.Element;
interface TOCItemProps extends Omit<ComponentProps<'a'>, 'href'> {
    href: string;
    onActiveChange?: (v: boolean) => void;
}
declare function TOCItem({ ref, onActiveChange, ...props }: TOCItemProps): react_jsx_runtime.JSX.Element;

export { AnchorProvider, type AnchorProviderProps, ScrollProvider, type ScrollProviderProps, TOCItem, type TOCItemProps, type TOCItemType, type TableOfContents, useActiveAnchor, useActiveAnchors };