Url
Provides the URL from which a code assembly originates as evidence for policy evaluation. This class cannot be inherited.
                namespace System.Security.Policy
{
    public sealed class Url : EvidenceBase, IIdentityPermissionFactory
    {
        public string Value => null;
        public Url(string name)
        {
        }
        public object Copy()
        {
            return null;
        }
        public IPermission CreateIdentityPermission(Evidence evidence)
        {
            return null;
        }
        public override bool Equals(object o)
        {
            return base.Equals(o);
        }
        public override int GetHashCode()
        {
            return base.GetHashCode();
        }
        public override string ToString()
        {
            return base.ToString();
        }
    }
}