import React from 'react';
import { ReactEditor } from 'slate-react';
import { Range } from 'slate';
import './Mention.less';
export interface MentionProps {
    options: string[];
    valueIndex: number;
    onSelect: (value: string, editor: ReactEditor) => void;
    at?: Range;
}
export declare function Mention(props: MentionProps): React.ReactPortal | null;