/**
 * @fileoverview HTTP client utilities for API interactions.
 *
 * This module provides common HTTP request handling functionality with retry logic,
 * error handling, and timeout management. It's designed to be used by the various
 * AI API client implementations.
 */
/**
 * Fetch with automatic retry for transient errors
 * @param url The URL to fetch from
 * @param options Request options
 * @param retries Number of retries to attempt
 * @returns Promise resolving to the Response object
 * @throws Error if all retries fail
 */
export declare function fetchWithRetry(url: string, options: RequestInit, retries?: number): Promise<Response>;
/**
 * Generic retry mechanism for any asynchronous function
 * @param fn The function to retry
 * @param retries Maximum number of retries
 * @returns Promise resolving to the function's result
 * @throws Error if all retries fail
 */
export declare function withRetry<T>(fn: () => Promise<T>, retries?: number): Promise<T>;