import type { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
export declare function jsonResponse(data: object): CallToolResult;
export declare function ok(data?: Record<string, unknown>): CallToolResult;
/** v9 envelope: `error` is a plain string. Kept for the legacy tools in index.ts. */
export declare function err(message: string, extra?: Record<string, unknown>): CallToolResult;
/** v10 envelope: `error` is `{code, message, hint}` (HilError.to_dict shape). */
export declare function errorResult(code: string, message: string, hint?: string, extra?: Record<string, unknown>): CallToolResult;