import { Menu } from '@skbkontur/react-ui/internal/Menu';
import { ChangeEvent, MouseEvent, RefObject, SyntheticEvent } from 'react';
import { Token } from '../types';
export declare function mentionActions(event: ChangeEvent<HTMLTextAreaElement> | MouseEvent<HTMLTextAreaElement> | SyntheticEvent<HTMLTextAreaElement, Event>, setToken: (token?: Token) => void): void;
export declare const useMenuKeyListener: (onSelectUser: (idx: number) => void, menuRef?: RefObject<Menu>) => void;
export declare const getMentionValue: (mention?: Token | null) => string;
export declare function getAvatarUrl(sid: undefined | null | string): string;