/**
 * HTTP handlers for MCP endpoints.
 * Provides POST, GET, and DELETE handlers for the /mcp endpoint.
 */
import { AsyncLocalStorage } from 'async_hooks';
import type { Request, Response, Router } from 'express';
import type { SessionManager, RequestContext } from './session-manager.js';
/**
 * AsyncLocalStorage to store request context within the async flow.
 * This allows handlers deep in the call stack to access HTTP headers.
 */
export declare const requestContextStorage: AsyncLocalStorage<RequestContext>;
/**
 * Get the current request context from AsyncLocalStorage.
 * Returns undefined if not in a request context.
 */
export declare function getCurrentRequestContext(): RequestContext | undefined;
/**
 * Configuration for MCP handlers.
 */
export interface McpHandlerConfig {
    /** Session manager instance */
    sessionManager: SessionManager;
    /** Whether to require authentication (default: true) */
    requireAuth?: boolean;
    /** Logger function */
    log?: (message: string) => void;
}
/**
 * Create the POST /mcp handler.
 */
export declare function createPostMcpHandler(config: McpHandlerConfig): (req: Request, res: Response) => Promise<void>;
/**
 * Create the GET /mcp handler (SSE stream).
 */
export declare function createGetMcpHandler(config: McpHandlerConfig): (req: Request, res: Response) => Promise<void>;
/**
 * Create the DELETE /mcp handler (session termination).
 */
export declare function createDeleteMcpHandler(config: McpHandlerConfig): (req: Request, res: Response) => Promise<void>;
/**
 * Mount all MCP handlers on an Express router.
 */
export declare function mountMcpHandlers(router: Router, config: McpHandlerConfig): void;
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