default boolean processRemovedClasses(DifferentiateContext context, Iterable<JvmClass> removedClasses, Utils future, Utils present) {
    for (JvmClass aClass : removedClasses) {
      if (!processRemovedClass(context, aClass, future, present)) {
        return false;
      }
    }
    return true;
  }
default boolean processRemovedClasses(DifferentiateContext context, Iterable<JvmClass> removedClasses, Utils future, Utils present)