import type { Router } from 'express';
import { type OnCall } from './callObservability';
import type { ExportVisibility } from './routeVisibility';
import type { Authenticate, RoutesMap } from './types';
export type InternalMountMcpOptions = {
    path?: string;
    serverInfo: {
        name: string;
        version: string;
    };
    instructions?: string;
    /** Structured per-tool call events (MCP `tools/call`). */
    onCall?: OnCall;
    visibility?: ExportVisibility;
};
export declare function mountMcp<Ctx>(router: Router, routes: RoutesMap<Ctx>, authenticate: Authenticate<Ctx> | undefined, options: InternalMountMcpOptions): void;