docs: public TableWriteItems withHashOnlyKeysToDelete(String hashKeyName,
              Object... hashKeyValues) {
          if (hashKeyName == null)
              throw new IllegalArgumentException();
          PrimaryKey[] primaryKeys = new PrimaryKey[hashKeyValues.length];
          for (int i=0; i < hashKeyValues.length; i++)
              primaryKeys[i] = new PrimaryKey(hashKeyName, hashKeyValues[i]);
          return withPrimaryKeysToDelete(primaryKeys);
      }