default int getDefaultPort() {
        return NO_DEFAULT_PORT;
    }
boolean keepalive = Boolean.parseBoolean(getPropertyOrDefault(SO_KEEPALIVE, "true"));
boolean nodelay = Boolean.parseBoolean(getPropertyOrDefault(TCP_NODELAY, "true"));
int connectTimeout = Integer.parseInt(getPropertyOrDefault(CONNECT_TIMEOUT_MILLIS, "1000"));
plc4j/transports/tcp/src/main/java/org/apache/plc4x/java/transport/tcp/TcpTransportConfiguration.java