import { Readable } from 'node:stream';
/**
 * Cookie options can that can be set on the response
 */
export type CookieOptions = {
    domain: string;
    expires: Date | (() => Date);
    httpOnly: boolean;
    maxAge: number | string;
    path: string;
    sameSite: boolean | 'lax' | 'none' | 'strict';
    secure: boolean;
    partitioned?: boolean;
    priority?: 'low' | 'medium' | 'high';
};
/**
 * Types from which response header can be casted to a
 * string
 */
export type CastableHeader = string | number | boolean | string[] | number[] | boolean[];
/**
 * Config accepted by response the class
 */
export type ResponseConfig = {
    /**
     * Whether or not to generate etags for responses. Etags can be
     * enabled/disabled when sending response as well.
     *
     * Defaults to false
     */
    etag: boolean;
    /**
     * The callback name for the JSONP response.
     *
     * Defaults to 'callback'
     */
    jsonpCallbackName: string;
    /**
     * Options to set cookies
     */
    cookie: Partial<CookieOptions>;
    /**
     * Configuration for HTTP redirects
     */
    redirect: {
        /**
         * Array of allowed hosts for referrer-based redirects.
         * When empty, only the request's own host is allowed.
         *
         * Defaults to []
         */
        allowedHosts: string[];
        /**
         * Whether to forward the query string from the current request
         * by default on redirects.
         *
         * Defaults to false
         */
        forwardQueryString: boolean;
    };
};
/**
 * Stream that can be piped to the "response.stream" method
 */
export type ResponseStream = Readable;