import { StreamableHTTPServerTransport } from "@modelcontextprotocol/sdk/server/streamableHttp.js";
import type { McpServerApp } from "../McpServerApp.js";
export interface SessionContext {
    id: string;
    apiKey: string;
    transport: StreamableHTTPServerTransport;
    mcpApp: McpServerApp;
    connectedAt: Date;
    lastActivityAt: Date;
    requestCount: number;
}
export declare class SessionManager {
    private sessions;
    private keyConnectionCount;
    private cleanupInterval;
    private maxPerKey;
    private idleTimeoutMs;
    constructor(opts: {
        maxPerKey: number;
        idleTimeoutMs: number;
        cleanupIntervalMs: number;
    });
    canConnect(apiKey: string): boolean;
    createSession(apiKey: string, transport: StreamableHTTPServerTransport, mcpApp: McpServerApp): SessionContext;
    touchSession(sessionId: string): void;
    removeSession(sessionId: string): void;
    private cleanupStaleSessions;
    getStats(): {
        activeSessions: number;
        connectionsByKey: Record<string, number>;
    };
    shutdown(): void;
}