import type { Transport } from '@ya-modbus/driver-types';
import { type RTUConfig } from './rtu-transport.js';
import { type TCPConfig } from './tcp-transport.js';
export type { RTUConfig, TCPConfig };
/**
 * Combined transport configuration
 * Can be either RTU or TCP, but not both
 */
export type TransportConfig = RTUConfig | TCPConfig;
/**
 * Create a transport instance based on configuration
 *
 * Detects whether to create RTU or TCP transport based on the config:
 * - If `port` is provided → RTU transport
 * - If `host` is provided → TCP transport
 *
 * @param config - Transport configuration (RTU or TCP)
 * @returns Transport implementation
 * @throws Error if config is invalid
 */
export declare function createTransport(config: TransportConfig): Promise<Transport>;
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