import { type Ref } from 'vue';
/**
 * Reactive auth state with authenticate/deauthenticate actions.
 * Syncs across all tabs.
 *
 * @example
 * const { isAuthenticated, authenticate, deauthenticate } = useSocketAuth();
 *
 * async function login(email: string, password: string) {
 *   const { token } = await api.login(email, password);
 *   authenticate(token);
 * }
 *
 * @example
 * // In template: <button v-if="isAuthenticated" @click="deauthenticate">Logout</button>
 */
export declare function useSocketAuth(): {
    isAuthenticated: Ref<boolean>;
    authenticate: (token: string) => void;
    deauthenticate: () => void;
};