/**
 * Status, headers and cookies around a response (SPEC.md §41, §85).
 *
 * A handler usually returns the answer and nothing else, which is the point of the
 * route DSL. Some answers carry more than a body: a session has to arrive as a
 * cookie the browser will not hand to JavaScript. Wrapping the value keeps that an
 * explicit act, and keeps the server library out of the handler's type.
 *
 * ```ts
 * handler: async ({ body }) =>
 *   respond({ userId }, { cookies: [session(token, expiresAt)] })
 * ```
 */
export type Cookie = {
    readonly name: string;
    readonly value: string;
    readonly path?: string;
    readonly expires?: Date;
    readonly maxAge?: number;
    readonly httpOnly?: boolean;
    readonly secure?: boolean;
    readonly sameSite?: 'strict' | 'lax' | 'none';
};
export type Responded<T> = {
    readonly node: 'response';
    readonly body: T;
    readonly status: number | undefined;
    readonly headers: Readonly<Record<string, string>>;
    readonly cookies: readonly Cookie[];
};
export declare const respond: <T>(body: T, options?: {
    readonly status?: number;
    readonly headers?: Readonly<Record<string, string>>;
    readonly cookies?: readonly Cookie[];
}) => Responded<T>;
export declare const isResponded: (value: unknown) => value is Responded<unknown>;
export declare const serializeCookie: (cookie: Cookie) => string;
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