import type { Readable, Writable } from "node:stream";
import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import type { KnownTargetOptions } from "../../contracts/index.js";
import { McpBindingRegistry, type McpBindingContext } from "../binding-registry.js";
import type { ToolBrokerApi } from "./broker-api.js";
export interface GroupXMcpStdioBridge {
    readonly binding: McpBindingContext;
    readonly server: McpServer;
    readonly transport: StdioServerTransport;
    close(): Promise<void>;
}
export interface ConnectGroupXMcpStdioOptions extends KnownTargetOptions {
    readonly broker: ToolBrokerApi;
    readonly bindings: McpBindingRegistry;
    readonly bindingId: string;
    readonly input?: Readable;
    readonly output?: Writable;
    readonly maxBufferSize?: number;
}
/**
 * Optional process/session-scoped stdio bridge.
 *
 * Stdio has no HTTP header, so its binding is fixed by the Adapter when the
 * bridge is connected. The bindingId is still only a provenance association.
 */
export declare function connectGroupXMcpStdio(options: ConnectGroupXMcpStdioOptions): Promise<GroupXMcpStdioBridge>;
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