import { Request, Response } from 'express';
import * as express from 'express';
import { APIError } from 'openai';
import { AnthropicErrorType, AnthropicErrorResponse, ProviderErrorMetadata } from './types.js';
import { Logger } from './logger.js';
export declare function extractProviderErrorDetails(errorDetails?: unknown): ProviderErrorMetadata | undefined;
export declare function getAnthropicErrorDetailsFromException(exc: Error): {
    errorType: AnthropicErrorType;
    errorMessage: string;
    statusCode: number;
    providerDetails?: ProviderErrorMetadata;
};
export declare function formatAnthropicErrorSSEEvent(errorType: AnthropicErrorType, message: string, providerDetails?: ProviderErrorMetadata): string;
export declare function buildAnthropicErrorResponse(errorType: AnthropicErrorType, message: string, statusCode: number, providerDetails?: ProviderErrorMetadata): {
    statusCode: number;
    body: AnthropicErrorResponse;
};
export declare function logAndReturnErrorResponse(req: Request, res: Response, statusCode: number, anthropicErrorType: AnthropicErrorType, errorMessage: string, logger: Logger, providerDetails?: ProviderErrorMetadata, caughtException?: Error): Promise<void>;
export declare function createOpenAIAPIErrorHandler(logger: Logger): (error: APIError, req: Request, res: Response, _next: express.NextFunction) => Promise<void>;
export declare function createValidationErrorHandler(logger: Logger): (error: Error, req: Request, res: Response, next: express.NextFunction) => Promise<void>;
export declare function createJSONDecodeErrorHandler(logger: Logger): (error: SyntaxError, req: Request, res: Response, next: express.NextFunction) => Promise<void>;
export declare function createGenericErrorHandler(logger: Logger): (error: Error, req: Request, res: Response, _next: express.NextFunction) => Promise<void>;
//# sourceMappingURL=errors.d.ts.map