/// <reference types="node" resolution-mode="require"/>
/// <reference types="node" resolution-mode="require"/>
/// <reference types="node" resolution-mode="require"/>
import type { IncomingMessage, ServerResponse } from 'node:http';
import { Readable } from 'node:stream';
import { type SendFileOptions } from './staticHelpers.js';
import './polyfillWithResolvers.js';
export type DxContext = {
    charset?: BufferEncoding;
    jsonBeautify?: boolean;
    disableEtag?: boolean;
} & ({
    type: 'empty';
    data: undefined;
    options: undefined;
} | {
    type: 'text';
    data: string;
    options: undefined;
} | {
    type: 'html';
    data: string;
    options: undefined;
} | {
    type: 'buffer';
    data: Buffer;
    options: undefined;
} | {
    type: 'json';
    data: any;
    options: undefined;
} | {
    type: 'redirect';
    data: string;
    options: undefined;
} | {
    type: 'nodeStream';
    data: Readable;
    options: undefined;
} | {
    type: 'webStream';
    data: ReadableStream;
    options: undefined;
} | {
    type: 'file';
    data: string;
    options?: SendFileOptions;
});
export declare function writeRes(req: IncomingMessage, res: ServerResponse, { type, data, charset, jsonBeautify, disableEtag, options }: DxContext): Promise<void>;