type Params = {
    /**
     * Only include when the exiting process actually crashed with an error.
     * Bun's spawn `onExit` `error` is only set on spawn failures, so callers
     * that DO have the error (crash handlers) should pass `force: true`.
     */
    force?: boolean;
    error?: unknown;
    exitCode?: number | null;
};
/**
 * Writes the `BUNDLER_EXIT.txt` flag that the bundler pipeline watches to
 * detect that the dev/prod child process previously crashed.
 *
 * Guardrails:
 * - Never writes for clean exits (exitCode === 0) or signal deaths where no
 *   error is available (Ctrl+C must not leave a stale error file behind).
 * - The supervisor writes only when the file does not already exist, so the
 *   crash handler's richer error/stack payload is not clobbered.
 */
export default function writeErrorFile({ force, error, exitCode, }: Params): void;
export {};