import { JWTPayload, JWTVerifyResult } from 'jose';
import { DecodedIdToken } from '../types.js';
export interface CustomTokens {
    idToken: string;
    refreshToken: string;
    customToken: string;
}
export interface ParsedCookies<Metadata extends object> {
    idToken: string;
    refreshToken: string;
    customToken?: string;
    metadata: Metadata;
}
export interface VerifiedCookies<Metadata extends object> {
    idToken: string;
    refreshToken: string;
    customToken?: string;
    decodedIdToken: DecodedIdToken;
    metadata: Metadata;
}
export interface CustomJWTHeader {
    alg: 'HS256';
    typ: 'JWT';
}
export interface CustomJWTPayload<Metadata extends object | undefined> extends JWTPayload {
    id_token: string;
    refresh_token: string;
    custom_token?: string;
    metadata?: Metadata;
}
export declare function createCustomSignature<Metadata extends object>(value: ParsedCookies<Metadata>, key: string): Promise<string>;
export declare function verifyCustomSignature<Metadata extends object>(value: ParsedCookies<Metadata>, signature: string, key: string): Promise<void>;
export declare function createCustomJWT<Metadata extends object>(payload: CustomJWTPayload<Metadata>, secret: string): Promise<string>;
export declare function verifyCustomJWT<Metadata extends object>(customJWT: string, secret: string): Promise<JWTVerifyResult<CustomJWTPayload<Metadata>>>;