*
     * @param value the client rule configuration string
     * @return a list of pairs containing client names and their corresponding compiled patterns
     */
    protected List<Pair<String, Pattern>> getClientRuleList(final String value) {
        if (StringUtil.isBlank(value)) {
            return Collections.emptyList();
        }
        return split(value, ",").get(stream -> stream.map(String::trim)//

    };
    int[] bases = {2, 5, 7, 8, 10, 16};
    for (int base : bases) {
      for (String x : tests) {
        BigInteger xValue = new BigInteger(x, 16);
        long xLong = xValue.longValue(); // signed
        assertThat(UnsignedLongs.toString(xLong, base)).isEqualTo(xValue.toString(base));
      }
    }
  }

  public void testJoin() {
    assertThat(UnsignedLongs.join(",")).isEmpty();

    protected void checkEsInvalidQuery(String name, Object value) {
        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidQuery(String name, Object value) {
        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

    protected void checkEsInvalidQuery(String name, Object value) {
        if (value == null || (value instanceof String && ((String) value).isEmpty())) {
            String msg = "Cannot register null or empty query: name=" + name + " value=" + value;
            throw new InvalidQueryRegisteredException(msg);
        }
    }

        .add("\tkey\t:\tvalue\t") // '\t' also counts as whitespace
        .add("ping:  pong  ") // Value whitespace is trimmed.
        .add("kit:kat") // Space after colon is not required.
        .build()
    assertThat(headers.values("foo")).containsExactly("bar", "baz", "bak")
    assertThat(headers.values("key")).containsExactly("value")
    assertThat(headers.values("ping")).containsExactly("pong")

     * @param id the document ID to update
     * @param field the field name to update
     * @param value the new value for the field
     * @return true if the update was successful, false otherwise
     */
    public boolean updateDocument(final SearchEngineClient searchEngineClient, final String id, final String field, final Object value) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

    }

    public void setAvailable_GreaterThan(Boolean available, ConditionOptionCall<RangeQueryBuilder> opLambda) {
        final Object _value = available;
        RangeQueryBuilder builder = regRangeQ("available", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setAvailable_LessThan(Boolean available) {

    }

    public void setEndTime_GreaterThan(Long endTime, ConditionOptionCall<RangeQueryBuilder> opLambda) {
        final Object _value = endTime;
        RangeQueryBuilder builder = regRangeQ("endTime", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setEndTime_LessThan(Long endTime) {

        setBoost_GreaterThan(boost, null);
    }

    public void setBoost_GreaterThan(Float boost, ConditionOptionCall<RangeQueryBuilder> opLambda) {
        final Object _value = boost;
        RangeQueryBuilder builder = regRangeQ("boost", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setBoost_LessThan(Float boost) {