/**
 * Build the bounded, stack-free 500 response for a request handler failure,
 * a real message (for operator diagnosis) with no source snippets or stack
 * frames leaked onto the wire, and the failure logged with method/path.
 */
export declare function createHostRequestFailureResponse(surface: string, request: Request, error: unknown): Response;
/**
 * Build a `Bun.serve`-shaped factory that wraps only the `fetch` callback in
 * the failure boundary above. `surface` names the host in log lines and
 * failure responses (e.g. "Daemon HTTP listener", "Control-plane listener") so a
 * multi-listener process can tell which one failed.
 */
export declare function createSafeHostServeFactory(surface: string, baseServeFactory?: typeof Bun.serve): typeof Bun.serve;
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