import type { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
import type { z } from "zod";
/**
 * Wraps an MCP tool implementation with the standard parse/try/catch envelope:
 *
 *   1. parse `rawInput` through the supplied zod schema (a `ZodObject` or any
 *      schema with `.parse()`),
 *   2. delegate to `fn(input)`; the function may either return the value to
 *      send back (it will be wrapped with `toolSuccess`), or return a fully
 *      formed tool response (already passed through `toolSuccess`/`toolError`),
 *   3. surface any thrown error through `toolError`.
 *
 * Returning `toolSuccess(...)` from `fn` is detected by shape, so handlers
 * that need to control the response (e.g. file-storage flows that build a
 * trimmed summary) can do so without a second helper.
 */
export declare function createToolHandler<TSchema extends z.ZodTypeAny>(schema: TSchema, fn: (input: z.output<TSchema>) => Promise<unknown>): (rawInput: unknown) => Promise<CallToolResult>;
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