@Override
  public boolean isSet(_Fields field) {
    if (field == null) {
      throw new java.lang.IllegalArgumentException();
    }

    switch (field) {
    case LABEL:
      return isSetLabel();
    case TYPE:
      return isSetType();
    case FORMAT:
      return isSetFormat();
    case MAX:
      return isSetMax();
    case MIN:
      return isSetMin();
    }
    throw new java.lang.IllegalStateException();
  }
@Override
  public boolean isSet(_Fields field)