public class TestRegistry
{
    public TestRegistry()
    {
        Defaults(x => {
            x.Type<Foo>().Contract("Andreas").Identity<IWidget>();
            x.Type<Bar>().Contract("Piotr").Identity<IUnity>();
        });
 
        Part()
            .ForType<InjectedHost>()
            .ExportType()
            .ImportConstructor()
            .MakeShared();
 
        Part()
            .ForTypesImplementing<IWidget>()
            .ExportTypeAs<IWidget>()
            .MakeShared();
    }
}