/**
 * Utility functions for making resilient HTTP requests.
 */
export interface FetchWithRetryOptions extends RequestInit {
    timeoutMs?: number;
    maxRetries?: number;
    baseDelayMs?: number;
}
/**
 * Enhanced fetch with timeout and exponential backoff retry logic.
 */
export declare function fetchWithRetry(url: string, options?: FetchWithRetryOptions): Promise<Response>;
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