/**
 * mcpServe — expose your agentfootprint tools AS an MCP server.
 *
 *   const handle = await mcpServe([lookupTool, refundTool], {
 *     name: 'support-desk',
 *     version: '1.0.0',
 *   });
 *
 *   // …later
 *   await handle.close();
 *
 * Over HTTP the handle also reports the socket it bound, so `port: 0`
 * ("any free port") is usable from the outside:
 *
 *   const handle = await mcpServe(tools, {
 *     transport: { transport: 'http', port: 0, host: '127.0.0.1' },
 *   });
 *   connect(`http://127.0.0.1:${handle.port}/mcp`);
 *
 * `mcpClient` pulls someone else's tools in. This pushes yours out, so
 * the tool you already wrote, tested and governed can be called by any
 * MCP client — a desktop host, another team's agent, an IDE — without
 * being rewritten against a second tool interface.
 *
 * Pattern: Adapter (GoF), pointed the other way. `mcpClient` translates
 *          MCP → `Tool`; this translates `Tool` → MCP. Same SDK, same
 *          lazy-require discipline, mirrored lifecycle (`close()`).
 *
 * ── The one promise worth stating plainly ────────────────────────────
 * A served tool is THE SAME OBJECT you passed in. `mcpServe` holds your
 * `Tool` by reference and calls `tool.execute(args, ctx)` — it never
 * copies the schema and re-implements the body, never unwraps a
 * decorator, never reaches past a wrapper to an inner tool. So whatever
 * governance you composed around that tool — a permission check inside
 * `execute`, a redaction step, an audit hook — is still the thing that
 * runs when a remote client calls it. Serving is not a second door into
 * your tool; it is the same door with a longer corridor.
 *
 * Two demands the library CANNOT keep over MCP are refused at
 * construction rather than silently dropped:
 *   - `checkIn` (human consent before the tool runs) needs a pause
 *     channel that a request/response protocol does not have.
 *   - `needs` (declare-and-push credentials) needs a provider; without
 *     one the tool would run with `ctx.credential` undefined.
 *
 * ── Declarations travel; execution does not (9.71.0) ─────────────────
 * A served tool's DECLARATIONS — `argumentsFrom`, `resultKind`, `owner`,
 * `resultClass`, `resultCeiling` — are written into MCP's own `_meta` bag
 * under one namespaced key, so an agentfootprint client arms the checks and
 * rails that read them exactly as it would for a local `defineTool`. The
 * execution-side fields never go: see `toolExtras.ts` for the bar and the
 * reasoning. A tool declaring none of the five lists exactly as before.
 *
 * ── Schemas ──────────────────────────────────────────────────────────
 * Tools already carry JSON Schema in `schema.inputSchema`, and MCP's
 * `tools/list` wants JSON Schema, so the mapping is the identity
 * function. That is also why this builds on the SDK's low-level
 * `Server` rather than its `McpServer` convenience wrapper — the latter
 * takes zod schemas, which would mean converting a JSON Schema you
 * already have into zod (a new dependency) to convert it straight back.
 */
import type { Tool } from '../../core/tools.js';
import type { McpServeHandle, McpServeOptions } from './types.js';
/**
 * Serve `tools` over MCP. Resolves once the transport is connected (for
 * `http`, once the socket is listening), so holding the handle means the
 * server is live.
 *
 * @throws at construction when `tools` is empty, when two tools share a
 *   name, when a tool declares `checkIn`, or when a tool declares `needs`
 *   without `opts.credentials` — see the module header. Also throws when
 *   `@modelcontextprotocol/sdk` is not installed.
 */
export declare function mcpServe(tools: readonly Tool[], opts?: McpServeOptions): Promise<McpServeHandle>;
/**
 * Sentinels handed to an injected `_server` in place of the SDK's zod
 * schemas. Exported so a test can tell the two handlers apart.
 * @internal
 */
export declare const LIST_TOOLS_SENTINEL: Readonly<{
    method: "tools/list";
}>;
/** @internal @see LIST_TOOLS_SENTINEL */
export declare const CALL_TOOL_SENTINEL: Readonly<{
    method: "tools/call";
}>;
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