@CanIgnoreReturnValue
    @Override
    public ForwardingChainingCalls chainingCall() {
      delegate.chainingCall();
      return this;
    }

    @Override
    public ChainingCalls nonChainingCall() {
      return delegate.nonChainingCall();
    }

    @Override
    public String toString() {
      return delegate.toString();
    }
  }

  public void testChainingCalls() {

  private final NavigableMap<K, V> delegate;

  public SafeTreeMap() {
    this(new TreeMap<K, V>());
  }

  public SafeTreeMap(Comparator<? super K> comparator) {
    this(new TreeMap<K, V>(comparator));
  }

  public SafeTreeMap(Map<? extends K, ? extends V> map) {
    this(new TreeMap<K, V>(map));
  }

  public SafeTreeMap(SortedMap<K, ? extends V> map) {
    this(new TreeMap<K, V>(map));
  }

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.access_token";
    }

    @Override
    public String asEsIndexType() {
        return "access_token";
    }

    @Override
    public String asEsSearchType() {
        return "access_token";
    }

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.elevate_word_to_label";
    }

    @Override
    public String asEsIndexType() {
        return "elevate_word_to_label";
    }

    @Override
    public String asEsSearchType() {

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.key_match";
    }

    @Override
    public String asEsIndexType() {
        return "key_match";
    }

    @Override
    public String asEsSearchType() {
        return "key_match";
    }

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.related_content";
    }

    @Override
    public String asEsIndexType() {
        return "related_content";
    }

    @Override
    public String asEsSearchType() {
        return "related_content";
    }

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.related_query";
    }

    @Override
    public String asEsIndexType() {
        return "related_query";
    }

    @Override
    public String asEsSearchType() {
        return "related_query";
    }

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_log.favorite_log";
    }

    @Override
    public String asEsIndexType() {
        return "favorite_log";
    }

    @Override
    public String asEsSearchType() {
        return "favorite_log";
    }

    public void delete(Group entity, RequestOptionCall<DeleteRequestBuilder> opLambda) {
        entity.asDocMeta().deleteOption(opLambda);
        doDelete(entity, null);
    }

    public int queryDelete(CBCall<GroupCB> cbLambda) {
        return doQueryDelete(createCB(cbLambda), null);
    }

    public int[] batchInsert(List<Group> list) {
        return batchInsert(list, null, null);
    }

    /** Log type constant for favorite logs. */
    public static final String LOG_TYPE_FAVORITE = "favorite";

    /** Log type constant for favorite count aggregation. */
    public static final String LOG_TYPE_FAVORITE_COUNT = "favorite_count_agg";

    /** Log type constant for user information logs. */
    public static final String LOG_TYPE_USERINFO = "user_info";