import type { Transport as SDKTransport, TransportSendOptions } from '@modelcontextprotocol/sdk/shared/transport.js';
import type { JSONRPCMessage, MessageExtraInfo } from '@modelcontextprotocol/sdk/types.js';
import { Transport } from './transport.js';
/**
 * Adapter that bridges our Transport implementation with the SDK's Transport interface
 * This allows our HTTP, WebSocket, and TCP transports to work with the MCP SDK Client
 */
export declare class SDKTransportAdapter implements SDKTransport {
    private transport;
    private receiveTask?;
    private shouldStop;
    private messageBuffer;
    onclose?: () => void;
    onerror?: (error: Error) => void;
    onmessage?: (message: JSONRPCMessage, extra?: MessageExtraInfo) => void;
    sessionId?: string;
    setProtocolVersion?: (version: string) => void;
    constructor(transport: Transport);
    /**
     * Start the transport and begin processing messages
     * Maps to our connect() method and starts the receive loop
     */
    start(): Promise<void>;
    /**
     * Send a JSON-RPC message with optional settings
     * Maps to our send() method
     */
    send(message: JSONRPCMessage, options?: TransportSendOptions): Promise<void>;
    /**
     * Close the transport connection
     * Maps to our disconnect() method
     */
    close(): Promise<void>;
    /**
     * Background loop that receives messages from the transport
     * and delivers them via the onmessage callback
     */
    private receiveLoop;
    /**
     * Create a timeout promise for polling
     */
    private createTimeout;
    /**
     * Check if the underlying transport is connected
     */
    isConnected(): boolean;
    /**
     * Get the underlying transport for debugging
     */
    getUnderlyingTransport(): Transport;
}
/**
 * Factory function to create an SDK-compatible transport from our transport
 */
export declare function createSDKTransport(transport: Transport): SDKTransport;
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