import { Plugin } from 'unified';
import { Root, RootContent } from 'hast';
export declare type CodePreviewOptions = {};
/**
 * - `idoc:preview`
 * - `idoc:preview:iframe`
 * @returns
 * ```js
 * {
 *    preview: true,
 *    iframe: false
 * }
 * ```
 */
export declare function getCodeMeta(meta?: string): Record<'preview' | 'iframe', boolean>;
export declare const codePreviewWarpperStyle: (node: Root | RootContent) => void;
export declare const codePreview: Plugin<[CodePreviewOptions?], Root>;