/// <reference types="node" />
import * as streams from 'stream';
export interface ResponseHandlers {
    withStream(): void;
    withUpgrade(writable: streams.Writable, readable: streams.Readable): void;
    send(data: any): void;
    streamWrite(chunk: Buffer, callback: (error?: (Error | null)) => void): void;
    streamFinal(callback: (error?: (Error | null)) => void): void;
}
export declare class Response extends streams.Writable {
    private readonly handlers;
    protected _finished: boolean;
    constructor(handlers: ResponseHandlers);
    withUpgrade(writable: streams.Writable, readable: streams.Readable): this;
    withStream(): this;
    send(data: any): void;
    _write(chunk: any, encoding: BufferEncoding, callback: (error?: (Error | null)) => void): void;
    _destroy(error: Error | null, callback: (error?: (Error | null)) => void): void;
}
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