*
   * @param string a string reference to check
   * @return {@code true} if the string is null or is the empty string
   */
  public static boolean isNullOrEmpty(@CheckForNull String string) {
    return Platform.stringIsNullOrEmpty(string);
  }

  /**
   * Returns a string, of length at least {@code minLength}, consisting of {@code string} prepended

   *
   * @param string a string reference to check
   * @return {@code true} if the string is null or is the empty string
   */
  public static boolean isNullOrEmpty(@CheckForNull String string) {
    return Platform.stringIsNullOrEmpty(string);
  }

  /**
   * Returns a string, of length at least {@code minLength}, consisting of {@code string} prepended

            new TestStringMapGenerator() {
              @Override
              protected Map<String, String> create(Entry<String, String>[] entries) {
                Map<String, String> map = populate(new HashMap<String, String>(), entries);
                return Collections.checkedMap(map, String.class, String.class);
              }
            })
        .named("checkedMap/HashMap")
        .withFeatures(

public class TableCollectorsTest extends TestCase {
  public void testToImmutableTable() {
    Collector<Cell<String, String, Integer>, ?, ImmutableTable<String, String, Integer>> collector =
        TableCollectors.toImmutableTable(Cell::getRowKey, Cell::getColumnKey, Cell::getValue);
    BiPredicate<ImmutableTable<String, String, Integer>, ImmutableTable<String, String, Integer>>
        equivalence = pairwiseOnResultOf(ImmutableTable::cellSet);

            .withFeatures(CollectionFeature.SUPPORTS_ITERATOR_REMOVE)
            .createTestSuite());

    final Function<String, String> removeFirstCharacter =
        new Function<String, String>() {
          @Override
          public String apply(String input) {
            return input.substring(1);
          }
        };

    suite.addTest(
        CollectionTestSuiteBuilder.using(

        String field = "filetype";
        String query = "others";
        String wcQuery1 = "othe*";
        String wcQuery2 = "oth??s";
        Map<String, String> params = new HashMap<>();
        params.put("q", field + ":" + query);
        params.put("num", "100");
        String response = checkMethodBase(new HashMap<>()).params(params).get("/api/v1/documents").asString();

    HashSet<String> mut = Sets.union(friends, enemies).copyInto(new HashSet<String>());

    enemies.add("Buck");
    assertEquals(6, all.size());
    assertEquals(5, immut.size());
    assertEquals(5, mut.size());
  }

  public void testIntersection() {
    Set<String> friends = Sets.newHashSet("Tom", "Joe", "Dave");
    Set<String> enemies = Sets.newHashSet("Dick", "Harry", "Tom");

    public void addInitFacetParam(final String key, final String value) {
        initFacetParamMap.put(value, key);
    }

    public Map<String, String> getInitFacetParamMap() {
        return initFacetParamMap;
    }

    public void addInitGeoParam(final String key, final String value) {
        initGeoParamMap.put(value, key);
    }

    public Map<String, String> getInitGeoParamMap() {

    }

    protected static List<String> getWebConfigIds(final String namePrefix) {
        final String response = getJsonResponse("/api/admin/webconfig/settings");
        final List<String> idList = JsonPath.from(response).getList(getResponsePath(namePrefix) + ".id");
        return idList;
    }

    protected static String createFileConfig(final Map<String, Object> requestBody) {

        final LinkedList<HtmlElementHandler> handlerStack = new LinkedList<HtmlElementHandler>();
        final LinkedList<String> tagStack = new LinkedList<String>();
        final Map<String, String> attributes = new HashMap<String, String>();
        StringBuilder tagValue;
        final Document document;

        public HtmlGeneratingTokenHandler(DocBookBuilder nodes, Document document) {