@Override
  public int hashCode() {
    return Objects.hash(this.key, this.value, this.entityUuid, this.userUuid);
  }
@Test
  void testHashCode() {
    assertThat(new PropertyDto().setKey("123").setEntityUuid("uuid123"))
      .hasSameHashCodeAs(new PropertyDto().setKey("123").setEntityUuid("uuid123"));
  }