import { z } from 'zod';

declare const MARKDOWN_EXTENSIONS: readonly ["md", "mdx"];
type MarkdownExtension = (typeof MARKDOWN_EXTENSIONS)[number];
declare const MARKDOWN_EXTENSION_SCHEMA: z.ZodEnum<["md", "mdx"]>;
declare function isMarkdownExtension(extension: string): extension is MarkdownExtension;

export { MARKDOWN_EXTENSIONS, MARKDOWN_EXTENSION_SCHEMA, MarkdownExtension, isMarkdownExtension };