export interface Header {
    /**
     * The level of the header
     *
     * `1` to `6` for `<h1>` to `<h6>`
     */
    level: number;
    /**
     * The title of the header
     */
    title: string;
    /**
     * The slug of the header
     *
     * Typically the `id` attr of the header anchor
     */
    slug: string;
    /**
     * Link of the header
     *
     * Typically using `#${slug}` as the anchor hash
     */
    link: string;
    /**
     * The children of the header
     */
    children: Header[];
}
export type HeaderLevels = false | number | [number, number] | 'deep';
export type MenuItem = Omit<Header, 'slug' | 'children'> & {
    element: HTMLHeadElement;
    children?: MenuItem[];
};
export interface GetHeadersOptions {
    /**
     * The selector of the headers.
     *
     * It will be passed as an argument to `document.querySelectorAll(selector)`,
     * so you should pass a `CSS Selector` string.
     *
     * @default '#vp-content h1, #vp-content h2, #vp-content h3, #vp-content h4, #vp-content h5, #vp-content h6'
     */
    selector?: string;
    /**
     * Ignore specific elements within the header.
     *
     * The Array of `CSS Selector`
     *
     * @default []
     */
    ignore?: string[];
    /**
     * The levels of the headers.
     *
     * `1` to `6` for `<h1>` to `<h6>`
     *
     * - `false`: No headers.
     * - `number`: only headings of that level will be displayed.
     * - `[number, number]: headings level tuple, where the first number should be less than the second number, for example, `[2, 4]` which means all headings from `<h2>` to `<h4>` will be displayed.
     * - `deep`: same as `[2, 6]`, which means all headings from `<h2>` to `<h6>` will be displayed.
     *
     * @default 2
     */
    levels?: HeaderLevels;
}
export declare const getHeaders: ({ selector, levels, ignore, }?: GetHeadersOptions) => MenuItem[];
export declare const resolveHeaders: (headers: MenuItem[], levels?: HeaderLevels) => MenuItem[];