import type { McpServer } from '@modelcontextprotocol/server';
import type { McpServerFactory } from '../../../server/mcp-server/index.js';
import type { Scheduler } from '../../../server/scheduler.js';
import type { HttpTransportConfig } from '../types.js';
import type { ServerRuntime } from '../../../utils/maintenance-lock.js';
/**
 * HTTP Transport for Memory Journal MCP Server
 *
 * Supports two transport protocols simultaneously:
 * 1. Streamable HTTP (MCP 2025-03-26) via `/mcp` — preferred for modern clients
 * 2. Legacy SSE (MCP 2024-11-05) via `/sse` + `/messages` — backward compatibility
 */
export declare class HttpTransport {
    private readonly app;
    private readonly config;
    readonly activeServers: Set<McpServer>;
    private httpServer;
    private readonly sseTransports;
    private readonly rateLimitMap;
    private rateLimitCleanupTimer;
    constructor(config: HttpTransportConfig);
    start(serverFactory: McpServerFactory, scheduler: Scheduler | null, runtime: ServerRuntime): Promise<void>;
    stop(scheduler: Scheduler | null): Promise<void>;
}
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