/**
 * One registry for the whole editor. Registering the common grammars is not
 * free, and both the code block and the frontmatter block highlight against it.
 */
export declare const lowlight: {
    highlight: (language: string, value: string, options?: Readonly<import("lowlight").Options> | null | undefined) => import("hast").Root;
    highlightAuto: (value: string, options?: Readonly<import("lowlight").AutoOptions> | null | undefined) => import("hast").Root;
    listLanguages: () => Array<string>;
    register: {
        (grammars: Readonly<Record<string, import("highlight.js").LanguageFn>>): undefined;
        (name: string, grammar: import("highlight.js").LanguageFn): undefined;
    };
    registerAlias: {
        (aliases: Readonly<Record<string, ReadonlyArray<string> | string>>): undefined;
        (language: string, alias: ReadonlyArray<string> | string): undefined;
    };
    registered: (aliasOrName: string) => boolean;
};