}

	params := sig.Params()
	nparams := params.Len() // variadic => nonzero

	args := params.At(nparams - 1)
	iface, ok := args.Type().(*types.Slice).Elem().(*types.Interface)
	if !ok || !iface.Empty() {
		return nil // final (args) param is not ...interface{}
	}

	// Is second last param 'format string'?
	var format *types.Var
	if nparams >= 2 {

    private enum State {INIT, STARTED, CLOSED}

    private final static ServiceRegistry[] NO_PARENTS = new ServiceRegistry[0];
    private final static Service[] NO_DEPENDENTS = new Service[0];
    private final static Object[] NO_PARAMS = new Object[0];

    private final ClassInspector inspector;
    private final OwnServices ownServices;
    private final ServiceProvider allServices;
    private final ServiceProvider parentServices;
    @Nullable

    );

    private static final ImmutableSet<Class<? extends Annotation>> NESTED_ANNOTATION_TYPES = ImmutableSet.of(
        Nested.class,
        SoftwareType.class
    );

    private static final Object[] NO_PARAMS = new Object[0];

    private final CrossBuildInMemoryCache<Class<?>, GeneratedClassImpl> generatedClasses;
    private final ImmutableSet<Class<? extends Annotation>> disabledAnnotations;