export interface QuotaUpdate {
    remainingQuota: number;
    status?: 'depleted';
}
/**
 * Compute the new quota after decrementing by 1.
 * Returns null if the access has no quota (unlimited).
 */
export declare function decrementQuota(remainingQuota: number | null): QuotaUpdate | null;
/**
 * Check if a quota is exhausted.
 */
export declare function isQuotaDepleted(remainingQuota: number | null): boolean;
/**
 * Check if generating a new ticket would exceed the total quota.
 */
export declare function wouldExceedQuota(totalQuota: number | null, currentCount: number): boolean;
//# sourceMappingURL=quota-manager.d.ts.map