import type { UpstreamBridge } from './types.js';
/**
 * Creates an UpstreamBridge that spawns and communicates with the real MCP
 * server process via stdio JSON-RPC.
 */
export declare function createUpstreamBridge(params: {
    command: string;
    args: string[];
    env: Record<string, string>;
    serverName: string;
}): Promise<UpstreamBridge>;
//# sourceMappingURL=upstream.d.ts.map