private final DirectInstantiator.ConstructorCache cache = new DirectInstantiator.ConstructorCache();
    private Class<?>[] randomClasses;

    @Setup(Level.Iteration)
    public void configClasses() {
        randomClasses = new Class<?>[ARR_LEN];
        for (int i = 0; i < randomClasses.length; i++) {
            randomClasses[i] = CLAZZ_ARRAY[RANDOM.nextInt(CLAZZ_ARRAY.length)];
        }
    }