[CompilationMapping(SourceConstructFlags.Module)]
public static class @_
{
    [Serializable]
    [AttributeUsage(AttributeTargets.Struct)]
    [CompilationMapping(SourceConstructFlags.ObjectType)]
    public class CustomStructAttribute : Attribute
    {
    }


    [Serializable]
    [AttributeUsage(AttributeTargets.Class)]
    [CompilationMapping(SourceConstructFlags.ObjectType)]
    public class CustomClassAttribute : Attribute
    {
    }


    [Serializable]
    [CustomStruct]
    [CustomClass]
    [CompilationMapping(SourceConstructFlags.ObjectType)]
    public enum Color
    {
        Red,
        Green,
        Blue
    }
}