org-dartlang-testcase:///main.dart:
import "b.dart";
var x = A.b().c().d;
class A {
  static B b() {}
}


org-dartlang-testcase:///b.dart:
import "c.dart";
class B {
  C c() {}
}


org-dartlang-testcase:///c.dart:
import "d.dart";
class C {
  D d() {}
}


org-dartlang-testcase:///d.dart:
class D {
  String d() {}
}