/**
 * postgres-mcp - HTTP Transport Server
 *
 * Dual-protocol HTTP transport with backward compatibility:
 * - `/mcp` — Streamable HTTP transport (MCP protocol 2025-11-25)
 * - `/sse` + `/messages` — Legacy SSE transport (MCP protocol 2024-11-05)
 *
 * Transport-specific handlers are in ./streamable.ts, ./stateless.ts, and ./legacy-sse.ts.
 * Security utilities and endpoint handlers are in ./security.ts and ./handlers.ts.
 * Config types and constants are in ./types.ts.
 */
import type { StreamableHTTPServerTransport } from "@modelcontextprotocol/sdk/server/streamableHttp.js";
import type { SSEServerTransport } from "@modelcontextprotocol/sdk/server/sse.js";
import type { Transport } from "@modelcontextprotocol/sdk/shared/transport.js";
import type { HttpTransportConfig } from "./types.js";
export type { HttpTransportConfig } from "./types.js";
/**
 * HTTP Transport for MCP
 *
 * Supports two transport protocols simultaneously:
 * 1. Streamable HTTP (2025-11-25) via `/mcp` — preferred for modern clients
 * 2. Legacy SSE (2024-11-05) via `/sse` + `/messages` — backward compatibility
 */
export declare class HttpTransport {
    private server;
    readonly config: HttpTransportConfig;
    private readonly onConnect?;
    /** Active transports by session ID (supports both transport types) */
    private readonly transports;
    private readonly rateLimitMap;
    private rateLimitCleanupInterval;
    constructor(config: HttpTransportConfig, onConnect?: (transport: Transport) => void | Promise<void>);
    /**
     * Start the HTTP server
     */
    start(): Promise<void>;
    /**
     * Stop the HTTP server
     */
    stop(): Promise<void>;
    /**
     * Check if a path is public (bypasses authentication)
     */
    private isPublicPath;
    /**
     * Handle incoming HTTP request
     */
    private handleRequest;
    /**
     * Get all active transports (for testing/introspection)
     */
    getTransports(): Map<string, StreamableHTTPServerTransport | SSEServerTransport>;
}
/**
 * Create an HTTP transport instance
 */
export declare function createHttpTransport(config: HttpTransportConfig, onConnect?: (transport: Transport) => void): HttpTransport;
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