export type EngineErrorCode = "ASSET_LIKE_HTML_FETCH" | "SUMMARY_STREAM_INTERRUPTED";
export declare class EngineError extends Error {
    readonly code: EngineErrorCode;
    constructor(code: EngineErrorCode, message: string, options?: ErrorOptions);
}
export declare function hasEngineErrorCode(error: unknown, code: EngineErrorCode): boolean;
