export declare const tokenStorage: {
    set(token: string): void;
    get(): string | null;
    clear(): void;
    has(): boolean;
};
/**
 * Refresh token storage — localStorage only.
 *
 * Stored on the publisher's domain (first-party storage) so it is never
 * subject to third-party cookie / storage blocking in any browser.
 * Refresh tokens are opaque strings issued by the backend and rotated
 * on every use.
 */
export declare const refreshTokenStorage: {
    set(token: string): void;
    get(): string | null;
    clear(): void;
    has(): boolean;
};