/**
 * Storage utilities for managing tokens and user data
 */
export declare const storage: {
    setAccessToken: (token: string) => void;
    getAccessToken: () => string | null;
    setRefreshToken: (token: string) => void;
    getRefreshToken: () => string | null;
    setUser: (user: {
        id: string;
        email: string;
    }) => void;
    getUser: () => {
        id: string;
        email: string;
    } | null;
    clearAuth: () => void;
    isAuthenticated: () => boolean;
    getConversationId: () => string | null;
    setConversationId: (id: string) => void;
};