/**
 * Maximum number of retries for streaming operations.
 */
export declare const STREAMING_MAX_RETRIES = 3;
/**
 * Wraps an async function to handle Galileo HTTP exceptions for retry.
 * Re-throws retryable exceptions (404, 408, 429, >= 500) so they can be handled by retry logic.
 * Re-throws non-retryable exceptions (e.g., 400, 422) so tasks fail properly instead of silently succeeding.
 * @param fn - The async function to wrap.
 * @returns A wrapped function that handles HTTP exceptions.
 */
export declare function handleGalileoHttpExceptionsForRetry<T extends (...args: unknown[]) => Promise<unknown>>(fn: T): T;
/**
 * Wraps an async function with exponential backoff retry logic.
 * Only retries errors that are determined to be retryable (404, 408, 429, >= 500).
 * Non-retryable errors (e.g., 400, 422) fail immediately without retries.
 * @param fn - The async function to wrap with retry logic.
 * @param taskId - Optional task ID for logging purposes.
 * @param maxRetries - Maximum number of retries. Defaults to STREAMING_MAX_RETRIES.
 * @param onRetry - Optional callback called on each retry attempt.
 * @returns A promise that resolves with the function result after retries.
 */
export declare function withRetry<T>(fn: () => Promise<T>, taskId?: string, maxRetries?: number, onRetry?: (error: Error) => void): Promise<T>;