IMembershipCondition
Defines the test to determine whether a code assembly is a member of a code group.
                namespace System.Security.Policy
{
    public interface IMembershipCondition : ISecurityEncodable, ISecurityPolicyEncodable
    {
        bool Check(Evidence evidence);
        IMembershipCondition Copy();
        new bool Equals(object obj);
        new string ToString();
    }
}