import type { ChildProcess } from "node:child_process";
import type { GatewayIdentity } from "../gateway/contracts.js";
import { type GatewayMcpRequest, type GatewayMcpResult } from "../gateway/mcp-contracts.js";
import { GatewayRequestClient } from "./gateway-request-client.js";
/** MCP只提供报文codec；关联、超时、断连由child共享请求模块处理。 */
export declare class GatewayMcpClient {
    private readonly identity;
    private readonly requests;
    constructor(child: ChildProcess | GatewayRequestClient, identity: GatewayIdentity, timeoutMs?: number);
    request(request: GatewayMcpRequest): Promise<GatewayMcpResult>;
    close(): void;
}
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