import { Response, StatusCode } from "../types.js";
/**
 * Writes the response status and data to the response.
 * and closes the response.
 */
export declare function completeResponse(res: Response, code: StatusCode, data: string | null): Promise<void>;
/**
 * Write JSON flushes the given data object as JSON to the response
 * and closes the response.
 */
export declare function writeJSON(res: Response, code: StatusCode, data: unknown): Promise<void>;
export declare function writeError(res: Response, code: StatusCode, err: Error): Promise<void>;