global using System.Net;
global using System.Collections.Concurrent;
global using System.Text;
global using System.Xml;
global using System.Xml.Schema;
global using System.Xml.Serialization;
global using System.IO.Ports;
global using System.Net.Sockets;
global using System.Numerics;
global using System.Reflection;
global using System.Runtime.InteropServices;
