/**
 * Error payload parsing — JSON error payload detection, fingerprinting, and structured info extraction.
 */
export type ApiErrorInfo = {
    httpCode?: string;
    type?: string;
    message?: string;
    requestId?: string;
};
export declare function getApiErrorPayloadFingerprint(raw?: string): string | null;
export declare function isRawApiErrorPayload(raw?: string): boolean;
export declare function parseApiErrorInfo(raw?: string): ApiErrorInfo | null;
