/**
 * Unified Streamable HTTP Transport Server
 *
 * This module provides a configurable Streamable HTTP transport that can
 * optionally enable OAuth2 authentication.
 *
 * Usage:
 *   // As a module:
 *   import { startStreamableHttpServer } from './streamableHttpServer.js';
 *   startStreamableHttpServer({ useAuth: true });
 *
 *   // From command line (via index.ts):
 *   node dist/index.js streamableHttp          # No auth
 *   node dist/index.js streamableHttp --auth   # With OAuth2
 */
export interface StreamableHttpServerOptions {
    /**
     * Enable OAuth2 authentication for MCP endpoints.
     * When true, clients must provide a valid Bearer token.
     * @default false
     */
    useAuth?: boolean;
    /**
     * Port to listen on.
     * @default process.env.PORT || 3001
     */
    port?: number;
}
/**
 * Parse command line arguments for streamableHttp options.
 */
export declare function parseStreamableHttpArgs(args: string[]): StreamableHttpServerOptions;
/**
 * Starts the Streamable HTTP server with optional OAuth2 authentication.
 */
export declare function startStreamableHttpServer(options?: StreamableHttpServerOptions): Promise<void>;
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