if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        final String content = params.getOrDefault(ExtractData.RESOURCE_NAME_KEY, StringUtil.EMPTY);
        try {
            return new ExtractData(content);
        } catch (final Exception e) {
            throw new ExtractException(e);
        }
    }

    val testProjectDurations = scenarios
        .groupBy({ it.testProject }, { scenario ->
            listOf(testProjectToScenarioDurations, testProjectScenarioDurationsFallback)
                .mapNotNull { it.getOrDefault(scenario.testProject, emptyList()).firstOrNull { duration -> duration.scenario == scenario.scenario } }

        }
        sessionBuilder.setAuthenticationSelector(authSelector);

        Object transport =
                mergedProps.getOrDefault(Constants.MAVEN_RESOLVER_TRANSPORT, MAVEN_RESOLVER_TRANSPORT_DEFAULT);
        if (MAVEN_RESOLVER_TRANSPORT_DEFAULT.equals(transport)) {
            // The "default" mode (user did not set anything) from now on defaults to AUTO

    this.delegateMap = delegateMap;
    this.entries = entries;
    this.size = size;
  }

  @Override
  public int count(@CheckForNull Object element) {
    return delegateMap.getOrDefault(element, 0);
  }

  @LazyInit @CheckForNull private transient ImmutableSet<E> elementSet;

  @Override
  public ImmutableSet<E> elementSet() {
    ImmutableSet<E> result = elementSet;

     *
     * - a `getFooOrDefault(@CheckForNull Foo defaultValue)` method that returns
     *   `map.getOrDefault(FOO_KEY, defaultValue)`
     *
     * - a call that consults a chain of maps, as in `mapA.getOrDefault(key, mapB.getOrDefault(key,
     *   ...))`
     *
     * So it makes sense for the parameter (and thus the return type) to be @CheckForNull.
     *
     * Two other points:
     *

        val properties = Properties()
        val ret = mutableMapOf<String, MutableList<String>>()
        properties.load(StringReader(content))
        properties.forEach { key, value ->
            val list = ret.getOrDefault(value, mutableListOf())
            list.add(key!!.toString())
            ret[value!!.toString()] = list
        }
        return ret
    }


    interface BuildBucketProvider {

            fieldLogMap.put(field, list);
        }
        list.add(text);
    }

    public List<String> getDefaultKeyword() {
        if (fieldLogMap != null) {
            return fieldLogMap.getOrDefault(Constants.DEFAULT_FIELD, Collections.emptyList());
        }
        return Collections.emptyList();
    }

    public void addHighlightedQuery(final String text) {
        if (highlightedQuerySet != null) {

     *
     * - a `getFooOrDefault(@CheckForNull Foo defaultValue)` method that returns
     *   `map.getOrDefault(FOO_KEY, defaultValue)`
     *
     * - a call that consults a chain of maps, as in `mapA.getOrDefault(key, mapB.getOrDefault(key,
     *   ...))`
     *
     * So it makes sense for the parameter (and thus the return type) to be @CheckForNull.
     *

            Model child, Model parent, ModelBuildingRequest request, ModelProblemCollector problems) {
        Map<Object, Object> hints = new HashMap<>();
        String childPath = child.getProperties().getOrDefault(CHILD_DIRECTORY_PROPERTY, child.getArtifactId());
        hints.put(CHILD_DIRECTORY, childPath);
        hints.put(MavenModelMerger.CHILD_PATH_ADJUSTMENT, getChildPathAdjustment(child, parent, childPath));

    return result;
  }

  /**
   * Returns the value associated with {@code key}, or zero if there is no value associated with
   * {@code key}.
   */
  public long get(K key) {
    return map.getOrDefault(key, 0L);
  }

  /**
   * Increments by one the value currently associated with {@code key}, and returns the new value.
   */
  @CanIgnoreReturnValue
  public long incrementAndGet(K key) {