import { CurrentCustomer, CurrentUser } from '../../types/request.js';
export declare const TOKEN_TYPES: {
    readonly ADMIN: "admin";
    readonly CUSTOMER: "customer";
};
export type TokenType = (typeof TOKEN_TYPES)[keyof typeof TOKEN_TYPES];
interface DecodedAccessToken extends UserPayload, CustomerPayload {
    tokenType: TokenType;
    tokenKind: 'access';
    iat: number;
    exp: number;
    aud: string;
    iss: string;
}
interface DecodedRefreshToken extends UserPayload, CustomerPayload {
    tokenType: TokenType;
    tokenKind: 'refresh';
    iat: number;
    exp: number;
    aud: string;
    iss: string;
}
interface UserPayload {
    user: CurrentUser;
}
interface CustomerPayload {
    customer: CurrentCustomer;
}
/**
 * Generate JWT access token
 */
export declare function generateToken(payload: CustomerPayload | UserPayload, tokenType?: TokenType, expiresIn?: number): string;
/**
 * Verify JWT access token
 */
export declare function verifyToken(token: string, tokenType: TokenType): DecodedAccessToken;
/**
 * Generate refresh token (longer expiration, different secret)
 */
export declare function generateRefreshToken(payload: UserPayload | CustomerPayload, tokenType?: TokenType): string;
/**
 * Verify JWT refresh token
 */
export declare function verifyRefreshToken(token: string, tokenType: TokenType): DecodedRefreshToken;
/**
 * Decode token without verification
 */
export declare function decodeToken(token: string): DecodedAccessToken | DecodedRefreshToken | null;
export {};