/**
 * In-memory transport for testing
 */
import { BaseTransport } from './base.js';
export declare class MemoryTransport extends BaseTransport {
    private requestHandler?;
    start(): Promise<void>;
    stop(): Promise<void>;
    send(_slaveId: number, _response: Buffer): Promise<void>;
    onRequest(handler: (slaveId: number, request: Buffer) => Promise<Buffer>): void;
    /**
     * Send a request and get response (for testing)
     */
    sendRequest(slaveId: number, request: Buffer): Promise<Buffer>;
}
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