1 * detector.startDetection(processor)
        then:
        1 * files.visit(_) >> { args ->
            FileVisitor visitor = args[0]
            assert visitor
            visitor.visitFile(stubFileVisitDetails('AnonymousClass$1'))
            visitor.visitFile(stubFileVisitDetails('AnonymousClass$1$22'))
        }

        0 * _._
    }

    FileVisitDetails stubFileVisitDetails(String className) {