import type { ExtensionAPI } from './pi-ext-types.js';
import { Client } from '@modelcontextprotocol/sdk/client/index.js';
import type { Transport } from '@modelcontextprotocol/sdk/shared/transport.js';
/** The one server `benchmark-thread-run` exposes, named as the Claude-side config names it. */
export declare const BENCHMARK_THREAD_SERVER_NAME = "cortex-benchmark-thread";
type BridgeClient = Pick<Client, 'listTools' | 'callTool'>;
export interface McpClientHandle {
    client: BridgeClient;
    transport: Pick<Transport, 'close'>;
}
export interface McpBridgeDeps {
    env: NodeJS.ProcessEnv;
    spawnClient(serverPath: string, serverName: string): Promise<McpClientHandle>;
    reportFailure(error: unknown): void;
}
export interface ServerState {
    name: string;
    path: string;
    handle: McpClientHandle | null;
}
/**
 * §5.6 P1: under a restricted composition the server set is the composition's and nothing else —
 * decided before any ambient switch is consulted, so a stray `CORTEX_THREAD_ID` or `SLACK_CHANNEL`
 * in the child environment cannot layer a server onto a benchmark trial.
 */
export declare function buildServerStates(env: NodeJS.ProcessEnv): ServerState[];
export declare function installMcpBridge(pi: ExtensionAPI, deps?: McpBridgeDeps): Promise<void>;
export default function mcpBridge(pi: ExtensionAPI): Promise<void>;
export {};