/**
 * Apply/remove/validate promo-code API error codes (plan §20).
 * Package has no Zod — const union + type mirror for clients.
 */
export declare const PROMO_CODE_ERROR_CODES: readonly ["PROMO_CODE_INVALID", "PROMO_CODE_EXPIRED", "PROMO_CODE_EXHAUSTED", "PROMO_CODE_DISABLED", "PROMO_CODE_GUEST_REQUIRED_SIGN_IN", "PROMO_CODE_CHANNEL_DENIED", "PROMO_CODE_MIN_SPEND", "PROMO_CODE_ENROLLMENT_REQUIRED", "PROMO_BUDGET_SOFT_STOP", "PROMO_BUDGET_EXHAUSTED", "PROMO_LOYALTY_MUTUAL_EXCLUSION", "PROMO_CODE_HOLD_ACTIVE_REMOVE_FORBIDDEN", "PROMO_CODE_HOLD_ALREADY_ACTIVE", "PROMO_CODE_HOLD_EXPIRED", "PROMO_CODE_CHECKOUT_SESSION_REQUIRED", "PROMO_MODULE_DISABLED", "PROMO_TENANT_DISABLED", "PROMO_SHADOW_OR_DISABLED", "PROMO_CODE_RATE_LIMITED", "PROMO_CODE_EVENT_NOT_ACTIVE", "PROMO_CODE_ZERO_MAGNITUDE", "PROMO_PRICE_REVALIDATION_REQUIRED"];
export type PromoCodeErrorCode = (typeof PROMO_CODE_ERROR_CODES)[number];
export declare function isPromoCodeErrorCode(value: unknown): value is PromoCodeErrorCode;
//# sourceMappingURL=PromoCodeErrorCode.d.ts.map