import React from 'react';
declare type PropType = {
    username: string;
    setAddVisible: (addVisible: boolean) => void;
    visible: boolean;
    setVisible: (visible: boolean) => void;
    chat: any;
    onChatSet: (chat: any) => void;
    members: any[];
};
declare const MessageHeader: React.FC<PropType>;
export default MessageHeader;