/**
 * Remove markdown formatting.
 *
 * * remove `code`, `html`, `horizontalRule`, `table`, `toml`, `yaml`, and
 *   their content
 * * render everything else as simple paragraphs without formatting
 * * uses `alt` text for images
 *
 * @param {Readonly<Options> | null | undefined} [options]
 *   Configuration (optional).
 * @returns
 *   Transform.
 */
export default function stripMarkdown(options?: Readonly<Options> | null | undefined): (tree: Root) => Root;
export type Heading = import('mdast').Heading;
export type Image = import('mdast').Image;
export type ImageReference = import('mdast').ImageReference;
export type InlineCode = import('mdast').InlineCode;
export type Nodes = import('mdast').Nodes;
export type Paragraph = import('mdast').Paragraph;
export type Parents = import('mdast').Parents;
export type Root = import('mdast').Root;
export type RootContent = import('mdast').RootContent;
export type Text = import('mdast').Text;
/**
 * Transform a node.
 */
export type Handler = (node: any) => Array<Nodes> | Nodes | null | undefined;
/**
 * Handlers.
 */
export type Handlers = Partial<Record<Nodes['type'], Handler>>;
/**
 * Configuration.
 */
export type Options = {
    /**
     * List of node types to leave unchanged (optional).
     */
    keep?: ReadonlyArray<Nodes['type']> | null | undefined;
    /**
     * List of node types to remove (or replace, with handlers) (optional).
     */
    remove?: ReadonlyArray<readonly [Nodes['type'], Handler] | Nodes['type']> | null | undefined;
};