import { MilkdownPlugin } from '@milkdown/kit/ctx';
import { Root } from 'mdast';
/** On parse: invalid mentions become text; duplicate or missing ids get new instance ids. */
export declare function transformInvalidMentionsInMdast(tree: Root): void;
/** Milkdown remark plugin that normalizes mention directives during markdown parse. */
export declare const remarkMentionsPlugin: import('@milkdown/utils').$Remark<"mentions-directive", unknown>;
export declare const mentionRemarkPlugins: MilkdownPlugin[];