/**
 * Streamable-HTTP transport for the MCP server (issue #4).
 *
 * Hosts the MCP protocol over HTTP using the SDK's
 * `StreamableHTTPServerTransport`. Built on Node's stdlib `http` module so we
 * don't pull in Express just to forward requests. Two operations:
 *
 *   POST /mcp        — JSON-RPC requests/responses
 *   GET  /healthz    — liveness probe (200 OK with version)
 *
 * Multiple sessions are supported via the `Mcp-Session-Id` header — each
 * session keeps its own transport so concurrent clients don't tread on each
 * other. Session lifecycle is fully owned by the SDK; we just route.
 */
import { type Server as HttpServer } from "node:http";
import type { Server as McpServer } from "@modelcontextprotocol/sdk/server/index.js";
import { StreamableHTTPServerTransport } from "@modelcontextprotocol/sdk/server/streamableHttp.js";
export interface HttpTransportOptions {
    port: number;
    host?: string;
    /** Connect callback invoked once per new session — wires the McpServer to the transport. */
    connect: (transport: StreamableHTTPServerTransport) => Promise<void>;
}
export interface HttpTransportHandle {
    server: HttpServer;
    close: () => Promise<void>;
}
export declare function startHttpTransport(opts: HttpTransportOptions): Promise<HttpTransportHandle>;
/**
 * Use the McpServer high-level Server class — it accepts any Transport.
 * Bridge helper kept for callers wiring an existing McpServer instance.
 */
export declare function bindMcpServer(mcpServer: McpServer, transport: StreamableHTTPServerTransport): Promise<void>;
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