docs: private static void addDescription(Entry entry, String description) {
          try {
              entry.add(SchemaConstants.OBJECT_CLASS_ATTRIBUTE, SchemaConstants.DESCRIPTIVE_OBJECT_OC);
              if (description == null) {
                  entry.add(SchemaConstants.EMPTY_FLAG_ATTRIBUTE, String.valueOf(false)); // case 1
              } else if (description.isEmpty()) {
                  entry.add(SchemaConstants.EMPTY_FLAG_ATTRIBUTE, String.valueOf(true)); // case 2
              } else {
                  entry.add(SchemaConstants.STRING_ATTRIBUTE, description); // case 3
              }
          } catch (LdapException e) {
              throw new LdapRuntimeException(e);
          }
      }