if (generateAutoTestedSamplesTest.get()) {
            mainSources.asFileTree.matching {
                include("**/*.java")
                include("**/*.groovy")
            }.visit {
                if (!isDirectory) {
                    generateForFile(this)
                }
            }
        }
    }

    private fun generateForFile(file: FileTreeElement) {

        private int indexToRemove = ABSENT;
        private int expectedModCount = biMap.modCount;

        // Calls to setValue on inverse entries can move already-visited entries to the end.
        // Make sure we don't visit those.
        private int remaining = biMap.size;

        private void checkForComodification() {
          if (biMap.modCount != expectedModCount) {
            throw new ConcurrentModificationException();