/**
 * Detect HTTP 429 rate-limit errors across admin, customer, kiosk, and pickup ApiError shapes.
 */
export declare function isRateLimitError(error: unknown): boolean;
/**
 * Extract retry delay in milliseconds from a rate-limit error or response envelope.
 */
export declare function getRetryAfterMs(error: unknown, fallbackMs?: number): number;
//# sourceMappingURL=rateLimitError.d.ts.map