export declare const RESPONSE_MESSAGE_TYPES: {
    readonly ACCORDION: "accordion";
    readonly CAROUSEL: "carousel";
    readonly FILE_DOWNLOAD: "file_download";
    readonly VIDEO: "video";
    readonly IMAGE: "image";
    readonly RATING: "rating";
    readonly CSAT: "csat";
};
export declare const SESSION_STORAGE_KEYS: {
    CHAT_HISTORY: string;
};
export declare const SENDER: {
    readonly BOT: "bot";
    readonly USER: "user";
};
export declare const SOCKET_IO_RECONNECTION_DELAY = 4000;