/// <reference types="node" />
import { Stream } from 'stream';
import { HttpResponse } from './HttpResponse';
export declare class StreamResponse extends HttpResponse {
    set filename(filename: string | undefined);
    get filename(): string | undefined;
    stream?: Stream;
    mime?: string;
    download?: boolean;
    private _filename?;
    constructor(stream: Stream, options?: {
        filename?: string;
        download?: boolean;
        mime?: string;
    });
    private _addHeader;
}