ctx, span := trace.StartSpan(ctx, "modload.matchPackages")
	defer span.Done()

	m.Pkgs = []string{}

	isMatch := func(string) bool { return true }
	treeCanMatch := func(string) bool { return true }
	if !m.IsMeta() {
		isMatch = pkgpattern.MatchPattern(m.Pattern())
		treeCanMatch = pkgpattern.TreeCanMatchPattern(m.Pattern())
	}

	var mu sync.Mutex
	have := map[string]bool{

            }

            @Managed
            interface B {
                C getC()
            }

            @Managed
            interface C {
                A getA()
                void setA(A a)
            }

            class RulePlugin extends RuleSource {
                @Model
                void a(A a) {
                    a.name = "a"
                    a.b.c.a = a
                }