/**
 * Transport factory - selects the appropriate transport based on runtime
 */
import type { SessionTransport, TransportConfig } from "./types.js";
/**
 * Create a transport instance based on the runtime environment
 *
 * - In Node.js with HTTP/2 support: uses S2STransport (binary protocol over HTTP/2)
 * - Everywhere else: uses FetchTransport (JSON over HTTP/1.1)
 *
 * @param config Transport configuration
 */
export declare function createSessionTransport(config: TransportConfig): Promise<SessionTransport>;
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