import type { CallToolResult } from "@modelcontextprotocol/sdk/types.js";
import { normalizeUnknownError } from "../zerotrue/errors.js";
export type ToolSuccess<T> = {
    ok: true;
    data: T;
};
export type ToolFailure = {
    ok: false;
    error: ReturnType<typeof normalizeUnknownError>;
};
export type ToolEnvelope<T> = ToolSuccess<T> | ToolFailure;
export declare function toolSuccess<T>(data: T): CallToolResult;
export declare function toolFailure(error: unknown): CallToolResult;