/**
 * Upload Retry Helpers
 */
import type { RetryConfig, UploadWithProgressResult, MergedUploadConfig, RetryContext, RetryErrorParams } from '@plyaz/types/api';
/**
 * Check if an error is retryable based on error type or HTTP status
 * Uses patterns consistent with BaseError.isRetryable() and notifications retry logic
 */
export declare function isRetryableError(error: Error, status?: number): boolean;
/**
 * Calculate delay for retry attempt with exponential backoff
 */
export declare function calculateRetryDelay(attempt: number, config: RetryConfig): number;
/**
 * Handle retry error notification
 */
export declare function notifyRetryError(params: RetryErrorParams): void;
/**
 * Handle final error notification
 */
export declare function notifyFinalError(ctx: RetryContext, error: Error): void;
/**
 * Check if we should retry a failed result
 */
export declare function shouldRetryResult(result: UploadWithProgressResult, config: MergedUploadConfig, attempt: number, maxAttempts: number): boolean;
/**
 * Check if we should retry an error
 */
export declare function shouldRetryError(error: Error, config: MergedUploadConfig, attempt: number, maxAttempts: number): boolean;
/**
 * Handle retry delay
 */
export declare function handleRetryDelay(attempt: number, config: RetryConfig): Promise<void>;
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