public override bool Equals(object?obj)
{
var user = (User)obj;
if (user == null)
{
throw new ArgumentException("Obj can't be equal to null");
}
if (Login == user.Login &&
Password == user.Password &&
_cookie.Equals(user._cookie) &&
_proxy.Equals(user._proxy))
{
return(true);
}
return(false);
}