export interface TokenData {
    access_token: string;
    refresh_token: string;
    expires_at: number;
    turnkey_session_jwt: string;
    turnkey_jwt_expires_at: number;
    user_id: string;
    email: string;
}
export declare function loadTokens(): TokenData | null;
export declare function saveTokens(tokens: TokenData): void;
export declare function clearTokens(): void;
export declare function getAccessToken(): Promise<string>;
export declare function refreshTokens(): Promise<string>;
export declare function ensureAuth(): Promise<string>;
export declare function isTurnkeyTokenValid(): boolean;
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