/**
 * Retry utility with exponential backoff for network requests
 */
/**
 * Thrown when a request exceeds its configured timeout. Carries the limit so
 * callers (e.g. `parseHttpError`) can render a precise, user-facing message.
 */
export declare class TimeoutError extends Error {
    readonly timeoutMs: number;
    constructor(timeoutMs: number);
}
export interface RetryOptions {
    /** Maximum number of retry attempts (default: 4) */
    maxRetries?: number;
    /** Initial delay in milliseconds (default: 2000) */
    initialDelayMs?: number;
    /** Maximum delay in milliseconds (default: 16000) */
    maxDelayMs?: number;
    /** Multiplier for exponential backoff (default: 2) */
    backoffMultiplier?: number;
    /** HTTP status codes that should trigger a retry */
    retryableStatusCodes?: number[];
    /** Custom function to determine if error is retryable */
    isRetryable?: (error: Error) => boolean;
    /** Per-request timeout in milliseconds (default: REQUEST_TIMEOUT_MS) */
    timeoutMs?: number;
}
/**
 * Check if an error is a network-related error that should be retried
 */
export declare function isNetworkError(error: Error): boolean;
/**
 * Check if an HTTP status code should trigger a retry
 */
export declare function isRetryableStatus(status: number, retryableCodes: number[]): boolean;
/**
 * Calculate delay for the current retry attempt using exponential backoff
 */
export declare function calculateDelay(attempt: number, options: Required<RetryOptions>): number;
/**
 * Wrapper for fetch with automatic retry on network errors
 */
export declare function fetchWithRetry(url: string, init?: RequestInit, options?: RetryOptions): Promise<Response>;
/**
 * Retry configuration presets for different scenarios
 */
export declare const RETRY_PRESETS: {
    /** Standard retry for API requests */
    readonly DEFAULT: RetryOptions;
    /** Aggressive retry for critical requests */
    readonly AGGRESSIVE: RetryOptions;
    /** Quick retry for fast-failing requests */
    readonly QUICK: RetryOptions;
    /** No retry */
    readonly NONE: RetryOptions;
};
//# sourceMappingURL=retry.d.ts.map