import { HttpResponseBase } from "./base";
export declare class HttpResponse<T> extends HttpResponseBase {
    /**
     * The response body, or `null` if one was not returned.
     */
    readonly body: T | null;
    /**
     * Construct a new `HttpResponse`.
     */
    constructor(init?: {
        body?: T | null;
        headers?: any;
        status?: number;
        statusText?: string;
        url?: string;
    });
    clone(): HttpResponse<T>;
    clone(update: {
        headers?: any;
        status?: number;
        statusText?: string;
        url?: string;
    }): HttpResponse<T>;
    clone<V>(update: {
        body?: V | null;
        headers?: any;
        status?: number;
        statusText?: string;
        url?: string;
    }): HttpResponse<V>;
}