StructureMap RegistrationConvention for decorator pattern
IFooRepository()
IFooRepository FooRepository()
IFooRepository CachedFooRepository(IFooRepository fooRepository)

For<IFooRepository>().Use<CachedFooRepository()
    .Ctor<IFooRepository>().Use<FooRepository>();

Type interfaceType = type.GetInterface(type.Name.Replace("Cached", "I"));
registry.AddType(interfaceType, type);

Type interfaceType = type.GetInterface(type.Name.Replace("Cached", "I"));
registry.For(interfaceType).Use(type);