@Override
  public String toString() {
    StringBuilder sb = new StringBuilder("{");
    addField(sb, "\"edition\": ", this.edition, true);
    endString(sb);
    return sb.toString();
  }
@Test
  void toStringHasEdition() {
    LicenseNewValue newValue = new LicenseNewValue("Developer");
    assertThat(newValue.toString()).contains("edition");
  }