*/
    private static long mergeFrequency(final Map<String, Object> existingSource, final String fieldName, final long newValue) {
        final Object freqObj = existingSource.get(fieldName);
        if (freqObj == null) {
            return newValue;
        }
        return newValue + Long.parseLong(freqObj.toString());
    }

    /**
     * Concatenates new values into an existing list, avoiding duplicates.

    for (K key : sampleKeys()) {
      List<V> expectedValues = new ArrayList<>();
      for (Entry<K, V> entry : getSampleElements()) {
        if (entry.getKey().equals(key)) {
          expectedValues.add(entry.getValue());
        }
      }

      Collection<V> collection = multimap().asMap().get(key);
      if (expectedValues.isEmpty()) {
        assertNull(collection);
      } else {

    public BuildTimestampValueSource(Date startTime, String format) {
        super(false);
        this.startTime = startTime;
        this.format = format;
    }

    @Override
    public Object getValue(String expression) {
        if ("build.timestamp".equals(expression) || "maven.build.timestamp".equals(expression)) {
            if (formattedDate == null && startTime != null) {

        final Comparator<Map.Entry<String, String>> c = Comparator.comparing(Map.Entry::getKey);
        params.entrySet().stream().sorted(c).forEach(e -> {
            valueMap.put(e.getKey(), e.getValue().replace('\t', '_'));
        });
        log(valueMap);
    }

    /**
     * Log the value map.
     * @param valueMap The value map.
     */

                    .flatMap(
                        kv -> patterns.entrySet()
                            .stream()
                            .filter(p -> Pattern.compile(p.getValue()).matcher(kv.getValue()).find())
                            .map(p -> "- " + p.getKey() + " on line " + kv.getKey() + " of " + path)
                    )
                    .collect(Collectors.toList())
            );
        }

                    final CrawlingInfoParam entity = new CrawlingInfoParam();
                    entity.setCrawlingInfoId(crawlingInfo.getId());
                    entity.setKey(list.get(2));
                    entity.setValue(list.get(3));
                    entity.setCreatedTime(formatter.parse(list.get(4)).getTime());
                    crawlingInfoParamBhv.insert(entity, op -> op.setRefreshPolicy(Constants.TRUE));

                      @SuppressWarnings("unchecked")
                      Entry<Range<Integer>, String> entry = (Entry<Range<Integer>, String>) o;
                      rangeMap.put(entry.getKey(), entry.getValue());
                    }
                    return rangeMap.asMapOfRanges();
                  }

                  @SuppressWarnings("unchecked")
                  @Override

  RegularImmutableBiMap(ImmutableMap<K, V> delegate) {
    super(delegate);

    ImmutableMap.Builder<V, K> builder = ImmutableMap.builder();
    for (Entry<K, V> entry : delegate.entrySet()) {
      builder.put(entry.getValue(), entry.getKey());
    }
    ImmutableMap<V, K> backwardMap = builder.build();
    this.inverse = new RegularImmutableBiMap<V, K>(backwardMap, this);
  }

        TestFessTransformer transformer = new TestFessTransformer();
        Map<String, Object> dataMap = new HashMap<>();

        transformer.putResultDataBody(dataMap, "newKey", "newValue");

        assertEquals("newValue", dataMap.get("newKey"));
        assertEquals(1, dataMap.size());
    }

    /**
     * Test putResultDataBody with null handling
     */
    @Test

        System.out.println(e.getMessage());
        assertThat(e.getPropertyName(), is("hoge"));
        assertThat(e.getValue(), is((Object) "xxx"));
        assertThat(e.getCause().getMessage(), is("cause"));
    }