@Override
  public boolean processRemovedFields(DifferentiateContext context, Difference.Change<JvmClass, JvmClass.Diff> change, Iterable<JvmField> removed, Utils future, Utils present) {
    if (!isEmpty(removed)) {
      debug("Process removed fields: ");
    }
    return super.processRemovedFields(context, change, removed, future, present);
  }
@Override
  public boolean processRemovedFields(DifferentiateContext context, Difference.Change<JvmClass, JvmClass.Diff> change, Iterable<JvmField> removed, Utils future, Utils present)