/**
 * Prepares an error response payload from an error.
 * This is a pure function that converts an error to a serialized ExecutionResult.
 *
 * @param error - The error to prepare
 * @returns The serialized error response payload, or null if the error cannot be converted to a string
 */
export declare const prepareErrorResponse: (error: unknown) => Uint8Array | null;
/**
 * Sends an error response through the Javy bridge.
 * This is used internally by the SDK as an error handler for the main() function,
 * catching exceptions that bubbled up to the top level.
 *
 * @param error - The error to send
 */
export declare const sendErrorResponse: (error: unknown) => void;