import type { ErrorMeta } from './tool-response.js';
/** Matches transient upstream provider failures that are typically safe to retry. */
export declare const RETRYABLE_UPSTREAM_ERROR_PATTERN: RegExp;
export declare function toRecord(value: unknown): Record<string, unknown> | undefined;
export declare function getErrorMessage(error: unknown): string;
export declare function classifyErrorMeta(error: unknown, message: string): ErrorMeta;