/**
 * TCP transport for Modbus emulator
 *
 * This implementation uses modbus-serial ServerTCP for protocol handling.
 */
import { BaseTransport } from './base.js';
export interface TcpTransportConfig {
    host: string;
    port: number;
}
export declare class TcpTransport extends BaseTransport {
    private config;
    private requestHandler?;
    private server?;
    private started;
    private initReject?;
    private initTimeout?;
    constructor(config: TcpTransportConfig);
    start(): Promise<void>;
    stop(): Promise<void>;
    send(_slaveId: number, _response: Buffer): Promise<void>;
    onRequest(handler: (slaveId: number, request: Buffer) => Promise<Buffer>): void;
    /**
     * Handle register read operations
     */
    private handleRegisterRead;
    /**
     * Handle register write operations
     */
    private handleRegisterWrite;
    /**
     * Handle coil read operations
     */
    private handleCoilRead;
    /**
     * Handle coil write operations
     */
    private handleCoilWrite;
}
//# sourceMappingURL=tcp.d.ts.map