export interface SubscriptionState {
    isActive: boolean;
    multiAgentEnabled: boolean;
    billingEnd: string | null;
    loading: boolean;
    error: string | null;
}
/**
 * Fetches GET /subscriptions/me and caches the result for 60 s.
 * Re-fetches on screen focus.
 */
export declare function useSubscription(userToken: string): SubscriptionState & {
    refresh: () => void;
};
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