type CookieOptions = {
    domain?: string;
    expires?: Date;
    httpOnly?: boolean;
    maxAge?: number;
    path?: string;
    sameSite?: 'Lax' | 'None' | 'Strict';
    secure?: boolean;
    prefix?: 'host' | 'secure';
    partitioned?: boolean;
};
interface SetCookie {
    /**
     * Sets a cookie in the response headers.
     *
     * @param {Response} res - The HTTP response object.
     * @param {string} key - The key of the cookie to set.
     * @param {string} value - The value of the cookie to set.
     * @param {CookieOptions} [options] - Optional settings for the cookie.
     * @returns {Response} The modified response object with the Set-Cookie header.
     */
    (res: Response, key: string, value: string, options?: CookieOptions): Response;
}
/**
 * Sets a cookie in the response headers.
 *
 * @param {Response} response - The HTTP response object.
 * @param {string} key - The key of the cookie to set.
 * @param {string} value - The value of the cookie to set.
 * @param {CookieOptions} [options] - Optional settings for the cookie.
 * @returns {Response} The modified response object with the Set-Cookie header.
 *
 * @example
 * // Set a simple cookie
 * setCookie(response, 'session_id', 'abc123');
 *
 * @example
 * // Set a cookie with options
 * setCookie(response, 'session_id', 'abc123', { httpOnly: true, secure: true });
 */
declare const setCookie: SetCookie;

type CookiePrefix = 'host' | 'secure';

interface GetCookie {
    /**
     * Retrieves a cookie value from the request headers.
     *
     * @param {Request} req - The HTTP request object.
     * @param {string} [key] - The key of the cookie to retrieve.
     * @returns {string | undefined | Record<string, string>} The cookie value or an object of all cookies if no key is provided.
     */
    (req: Request, key?: string): string | undefined | Record<string, string>;
    /**
     * Retrieves a cookie value from the request headers with a prefix.
     *
     * @param {Request} req - The HTTP request object.
     * @param {string} key - The key of the cookie to retrieve.
     * @param {CookiePrefix} prefixOptions - The prefix options for the cookie key.
     * @returns {string | undefined | Record<string, string>} The cookie value or an object of all cookies if no key is provided.
     */
    (req: Request, key: string, prefixOptions: CookiePrefix): string | undefined | Record<string, string>;
}
/**
 * Retrieves a cookie value from the request headers.
 *
 * @param {Request} request - The HTTP request object.
 * @param {string} [key] - The key of the cookie to retrieve.
 * @param {CookiePrefix} [prefix] - The prefix options for the cookie key.
 * @returns {string | undefined | Record<string, string>} The cookie value or an object of all cookies if no key is provided.
 *
 * @example
 * // Retrieve a specific cookie
 * const cookieValue = getCookie(request, 'session_id');
 *
 * @example
 * // Retrieve a specific cookie with a prefix
 * const cookieValue = getCookie(request, 'session_id', 'user');
 *
 * @example
 * // Retrieve all cookies
 * const allCookies = getCookie(request);
 */
declare const getCookie: GetCookie;

declare const cookies: {
    getCookie: GetCookie;
    setCookie: SetCookie;
};

export { type CookieOptions, type CookiePrefix, cookies as default, getCookie, setCookie };