import HTTP from 'http';
import { TagMap } from '@fc3/metrics';
import Response from './../response';
import HttpHeader from './../enum/header';
import StatusCode from './../enum/status-code';
declare class OutgoingResponse extends Response {
    private native_response;
    constructor(native_response: HTTP.ServerResponse);
    sendPromise(promise: Promise<object | string | Buffer>): void;
    render(body: string): void;
    send(body: object | string | Buffer): void;
    error(error: Error): void;
    redirectToUrl(url: string): void;
    setHeaderValue(key: HttpHeader, value: string | number): this;
    setStatusCode(status_code: StatusCode): this;
    getNativeResponse(): HTTP.ServerResponse;
    protected getCountMetricName(): string;
    protected getTimingMetricName(): string;
    protected getMetricTags(): TagMap;
    /**
     * Overwrite the parent class's end() implementation in order to first
     * forward along the response body to the underlying native response.
     */
    protected end(): void;
    private bindHandlers;
    private sendObject;
    private sendString;
    private sendBuffer;
}
export default OutgoingResponse;