import type { IncomingMessage, ServerResponse } from 'node:http';
export declare function text(res: ServerResponse, status: number, content_type: string, body: string): void;
export declare function json(res: ServerResponse, status: number, body: unknown): void;
export declare function binary(res: ServerResponse, status: number, content_type: string, body: Buffer): void;
export declare function is_authorized(token: string, authorization?: string): boolean;
export declare class BodyTooLargeError extends Error {
    readonly max_bytes: number;
    constructor(max_bytes: number);
}
export declare function read_body(req: IncomingMessage, max_bytes?: number): Promise<string>;