/**
 * Axios interceptors for the Raindrop API client.
 *
 * Provides:
 * - Request/response logging (verbose mode)
 * - Automatic retry with exponential backoff for transient errors
 * - Rate limit detection and RateLimitError throwing
 * - Error transformation to ApiError
 */
import type { AxiosInstance, AxiosError } from "axios";
declare const MAX_RETRIES = 3;
declare const INITIAL_DELAY_MS = 1000;
declare const MAX_DELAY_MS = 30000;
/**
 * Check if an error is retryable (transient).
 * Retryable: network errors, 5xx server errors, 408 timeout.
 * NOT retryable: 429 (handled separately), 4xx client errors.
 */
export declare function isRetryableError(error: AxiosError): boolean;
/**
 * Calculate exponential backoff delay with jitter.
 * Formula: min(initialDelay * 2^retryCount + jitter, maxDelay)
 */
export declare function calculateBackoff(retryCount: number): number;
/**
 * Get the API delay from environment variable.
 * Used to throttle requests during live tests to avoid rate limits.
 */
declare function getApiDelayMs(): number;
/**
 * Extract rate limit info from response headers.
 */
export declare function extractRateLimitInfo(headers: Record<string, string>): {
    limit?: number;
    remaining?: number;
    reset?: number;
};
/**
 * Configure Axios interceptors on a Raindrop client instance.
 * Call this after creating the client.
 */
export declare function setupClientInterceptors(axiosInstance: AxiosInstance): void;
export { MAX_RETRIES, INITIAL_DELAY_MS, MAX_DELAY_MS, getApiDelayMs };
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