/// <reference types="node" />
import { ServerResponse, OutgoingHttpHeaders, IncomingMessage } from 'http';
import { Stream } from 'stream';
import contentDisposition from 'content-disposition';
import { WebApplication } from './WebApplication';
import { WebContext } from './WebContext';
export declare type ResponseBody = null | string | Buffer | Stream | object;
export declare class WebResponse {
    readonly res: ServerResponse;
    protected readonly app: WebApplication;
    req?: IncomingMessage;
    ctx?: WebContext;
    protected explicitStatus: boolean;
    protected explicitNullBody: boolean;
    protected _body: ResponseBody;
    constructor(app: WebApplication, res: ServerResponse);
    get socket(): import("net").Socket;
    getHeaders(): Required<OutgoingHttpHeaders>;
    setHeaders(fields: OutgoingHttpHeaders): void;
    get statusCode(): number;
    set statusCode(code: number);
    get statusMessage(): string;
    set statusMessage(msg: string);
    get body(): ResponseBody;
    set body(val: ResponseBody);
    get contentLength(): number;
    set contentLength(length: number);
    get headersSent(): boolean;
    vary(field: string | string[]): void;
    redirect(url: string, alt: string): void;
    attachment(filename: string, options: contentDisposition.Options): void;
    set contentType(type: string);
    get contentType(): string;
    set lastModified(val: Date | undefined);
    get lastModified(): Date | undefined;
    set etag(val: string);
    get etag(): string;
    is(type: string, ...types: string[]): string | false;
    getHeader(field: string): string | number | string[];
    hasHeader(field: string): boolean;
    setHeader(field: string, value: string | number | string[]): void;
    setHeader(fields: Record<string, string | number | string[]>): void;
    appendHeader(field: string, value: string | string[]): void;
    removeHeader(field: string): void;
    get writable(): boolean;
    protected inspect(): Record<string, any> | undefined;
    protected toJSON(): Record<string, any>;
    flushHeaders(): void;
}