mapCache.put("A", "A_value");
    mapCache.put("B", "B_value");
    mapCache.put("C", "C_value");

    assertThat(mapCache.unmodifiableKeySet()).hasSize(3);
    for (String key : mapCache.unmodifiableKeySet()) {
      assertThat(mapCache.get(key)).isEqualTo(key + "_value");
    }
  }

  @Test
  public void testPutNewValue() {
    assertThat(mapCache.put("key", "value")).isNull();

        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setValue_LessEqual(String value) {
        setValue_LessEqual(value, null);
    }

    public void setValue_LessEqual(String value, ConditionOptionCall<RangeQueryBuilder> opLambda) {
        final Object _value = value;
        RangeQueryBuilder builder = regRangeQ("value", ConditionKey.CK_LESS_EQUAL, _value);

        final Object _value = value;
        RangeQueryBuilder builder = regRangeQ("value", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setValue_LessThan(String value) {
        setValue_LessThan(value, null);
    }

        final Object _value = value;
        RangeQueryBuilder builder = regRangeQ("value", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setValue_LessThan(String value) {
        setValue_LessThan(value, null);
    }

        final Object _value = value;
        RangeQueryBuilder builder = regRangeQ("value", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setValue_LessThan(String value) {
        setValue_LessThan(value, null);
    }

    public void test_print_parameterSorting() {
        activityHelper.useEcsFormat = false;
        Map<String, String> params = new HashMap<>();
        params.put("z_param", "z_value");
        params.put("a_param", "a_value");
        params.put("m_param", "m_value");
        activityHelper.print("test", OptionalThing.empty(), params);
        String result = localLogMsg.get();

    Long result =
        map.compute(
            key, (k, value) -> updaterFunction.applyAsLong(value == null ? 0L : value.longValue()));
    return requireNonNull(result);
  }

  /**
   * Updates the value currently associated with {@code key} with the specified function, and
   * returns the old value. If there is not currently a value associated with {@code key}, the
   * function is applied to {@code 0L}.
   *

        // Spaces in quoted values
        value = "\" spaced value \",\"  another  \"";
        result = KuromojiCSVUtil.parse(value);
        assertEquals(2, result.length);
        assertEquals(" spaced value ", result[0]);
        assertEquals("\"  another  \"", result[1]);

        // Tab characters - quoted value keeps quotes
        value = "tab\tvalue,\"quoted\ttab\"";
        result = KuromojiCSVUtil.parse(value);

     *
     * @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();