import type { CallToolResult, InputRequiredResult } from '@modelcontextprotocol/server';
/** What a tool handler may return: the ordinary tool result or a
 * multi-round-trip `input_required` result (2026-07-28 MRTR — the server
 * asks the client for input and completes on retry). */
export type ToolResult = CallToolResult | InputRequiredResult;
/** Success result: the payload is emitted twice — as JSON text for every
 * client, and as `structuredContent` for clients that validate against the
 * tool's declared outputSchema (2026-07-28 JSON Schema 2020-12). */
export declare const ok: (data: unknown) => CallToolResult;
export declare const err: (msg: string) => CallToolResult;
/**
 * Scoped not-found error: records are addressable by id ONLY within the
 * client they were created under, so a plain "note not found" misleads when
 * the id actually belongs to another client (the delete would silently
 * appear to fail). Point the agent at the workspaceId override instead.
 */
export declare const notFound: (kind: string) => CallToolResult;
/**
 * Discriminated not-found: when the id provably exists in another client
 * (`elsewhere` carries its workspace), keep the actionable workspaceId hint;
 * when it exists nowhere, say so plainly instead of inventing a wrong
 * diagnosis. `elsewhere` is the result of the db `*FromAny` lookups
 * (truthy = the id exists, but not in this client).
 */
export declare const notFoundOrForeign: (kind: string, elsewhere: unknown) => CallToolResult;
/** Run a synchronous tool handler, converting any thrown error into a clean tool error. */
export declare const guard: (fn: () => ToolResult) => ToolResult;
/** Run an async tool handler, converting any thrown error into a clean tool error. */
export declare const guardAsync: (fn: () => Promise<ToolResult>) => Promise<ToolResult>;
export declare const guardCtx: (ctx: unknown, fn: () => ToolResult) => ToolResult;
export declare const guardAsyncCtx: (ctx: unknown, fn: () => Promise<ToolResult>) => Promise<ToolResult>;
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