import { TgBotUpdateWebhookDesignDocument, TgBotUpdateDocument } from "../types";
export type { TgBotUpdateWebhookDesignDocument };
type CouchRequest = {
    body: string;
    headers: Record<string, string>;
    method: string;
    query: Record<string, string>;
    userCtx: {
        name: string | null;
        roles: string[];
    };
};
type CouchResponse = [
    TgBotUpdateDocument | null,
    {
        code: number;
        body: string;
    } | string
];
type UpdateFunction = (doc: TgBotUpdateDocument | null, req: CouchRequest) => CouchResponse;
export declare const saveUpdate: UpdateFunction;
export declare const saveUpdateString: string;