import type { AxiosInstance } from "axios";
export interface RetryConfig {
    maxRetries?: number;
    baseDelayMs?: number;
    maxDelayMs?: number;
    retryableStatuses?: number[];
}
/**
 * Adds exponential backoff retry logic to an Axios instance.
 * Retries on: 429 (rate limit), 5xx (server errors), network errors.
 * Respects Retry-After headers when present.
 */
export declare function addRetryInterceptor(client: AxiosInstance, config?: RetryConfig): void;