import type { Token, TokensList } from 'marked';
/**
 * Options for configuring the markedCodePreview extension.
 */
export interface Options {
    /**
     * The code preview template to use.
     */
    template?: string;
    /**
     * The transformer function for modifying preview code before replacing the
     * `{preview}` placeholder.
     *
     * @default (code) => code
     */
    transformer?: Transformer;
}
/**
 * The transformer function for modifying code before replacing the
 * `preview` placeholder.
 *
 * @param code - The original code.
 * @param lang - The language of the code.
 * @param data - Hooks data and code meta.
 * @returns The transformed code.
 */
export type Transformer = (code: string, attrs: {
    [key: string]: unknown;
}, data: {
    [key: string]: unknown;
}) => string;
/**
 * Configuration options for the transformation.
 */
export interface TransformOptions extends Options {
    index: number;
    parent: Token[] | TokensList;
    attrs: {
        [key: string]: unknown;
    };
    data: {
        [key: string]: unknown;
    };
}