return new TreeSet<E>(contents);
      }
    },
    UnmodifiableSetImpl {
      @Override
      public <E extends Comparable<E>> Set<E> create(Collection<E> contents) {
        return unmodifiableSet(new HashSet<E>(contents));
      }
    },
    SynchronizedSetImpl {
      @Override
      public <E extends Comparable<E>> Set<E> create(Collection<E> contents) {

        return of("a").iterator();
      }
    }.test();
  }

  @GwtIncompatible // slow (~30s)
  public void testIterator_general() {
    new IteratorTester<String>(
        5, UNMODIFIABLE, asList("a", "b", "c"), IteratorTester.KnownOrder.KNOWN_ORDER) {
      @Override
      protected Iterator<String> newTargetIterator() {
        return of("a", "b", "c").iterator();
      }

        @Override
        protected long makeKey(Request request) throws IOException {
            return nextKey++;
        }

        @Override
        protected Long peekKey() throws IOException {
            if (recvException != null) {
                throw recvException;
            }
            return peekedKey;
        }

        @Override
        protected void doSend(Request request) throws IOException {

	if err != nil {
		return
	}

	result.Dynamic, err = result.Cfg.ReadConfig(bytes.NewReader(kvBytes))
	if err != nil {
		return
	}

	result.SubSys, _, _, err = config.GetSubSys(string(kvBytes))
	if err != nil {
		return
	}

	tgts, err := config.ParseConfigTargetID(bytes.NewReader(kvBytes))
	if err != nil {
		return
	}

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

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

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

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

    @Override

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

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

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

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

    @Override

    /**
     * Gets the status code for this message.
     *
     * @return the status
     */
    public final int getStatus() {
        return this.status;
    }

    /**
     * Gets the session identifier for this message.
     *
     * @return the sessionId
     */
    public long getSessionId() {
        return this.sessionId;
    }

    /**
     * @param sessionId

        cb.query().addOrderBy_Name_Asc();
        // search

    }

    /**
     * Get a list of all label types.
     *
     * @return A list of all label types.
     */
    public List<LabelType> getLabelTypeList() {
        return labelTypeBhv.selectList(cb -> {
            cb.query().addOrderBy_SortOrder_Asc();
            cb.query().addOrderBy_Name_Asc();

    /**
     * Gets the original stopword.
     *
     * @return The original stopword.
     */
    public String getInput() {
        return input;
    }

    /**
     * Gets the value of the stopword.
     *
     * @return The stopword value, or an empty string if null.
     */
    public String getInputValue() {
        if (input == null) {
            return StringUtil.EMPTY;
        }
        return input;
    }

        this.recoveryHint = hint;
        return this;
    }

    /**
     * Gets the SMB error code
     *
     * @return the error code
     */
    public int getErrorCode() {
        return errorCode;
    }

    /**
     * Gets the error severity
     *
     * @return the severity
     */
    public Severity getSeverity() {
        return severity;
    }

    /**