/**
 * Retry Engine for request-executor
 *
 * Handles retry logic, backoff, and retryable error detection.
 */
import { describeRetryReason, isPromptTooLongError, shouldRetryProviderError, waitBeforeRetry } from '../executor-provider.js';
import { resolveAntigravityMaxProviderAttempts } from './request-retry-helpers.js';
export { describeRetryReason, isPromptTooLongError, shouldRetryProviderError, waitBeforeRetry };
export declare const RETRYABLE_SSE_ERROR_CODE_HINTS: string[];
export declare const RETRYABLE_SSE_MESSAGE_HINTS: string[];
/**
 * Check if an SSE error is retryable based on message, error code, or status
 */
export declare function isRetryableSseWrapperError(message: string, errorCode?: string, status?: number): boolean;
/**
 * Resolve maximum provider attempts from environment
 */
export declare function resolveMaxProviderAttempts(): number;
export { resolveAntigravityMaxProviderAttempts };