if (resultsPerPage instanceof Integer) {
                    form.num = (Integer) resultsPerPage;
                }
            }
        }

        if (StringUtil.isBlank(form.q) && form.fields.isEmpty() && !form.hasConditionQuery()) {
            // redirect to index page
            form.q = null;
            return redirectToRoot();
        }

        try {
            buildFormParams(form);

    @Override
    protected SortedSet<Integer> create(Integer[] elements) {
      SortedSet<Integer> set = nullCheckedTreeSet(elements);
      int tooHigh = set.isEmpty() ? 0 : set.last() + 1;
      set.add(tooHigh);
      return checkedCreate(set).headSet(tooHigh);
    }
  }

  public static class ContiguousSetTailsetGenerator extends AbstractContiguousSetGenerator {

                    + (pathAdjustment.isEmpty() ? 1 : 2));

            url.append(parentUrl);
            concatPath(url, pathAdjustment);
            concatPath(url, childPath);

            return url.toString();
        }

        private void concatPath(StringBuilder url, String path) {
            if (!path.isEmpty()) {

            String msgP = "are not supported on project settings.";
            if (settings.getLocalRepository() != null
                    && !settings.getLocalRepository().isEmpty()) {
                addViolation(problems, BuilderProblem.Severity.WARNING, "localRepository", null, msgS);
            }
            if (!settings.isInteractiveMode()) {

                if (urlQueueList.isEmpty()) {
                    return null;
                }
                if (logger.isDebugEnabled()) {
                    logger.debug("Queued URL: {}", urlQueueList);
                }

                if (!urlQueueList.isEmpty()) {
                    try {
                        // delete from es

  /** Returns {@code true} if this range set contains no ranges. */
  boolean isEmpty();

  /**
   * Returns the minimal range which {@linkplain Range#encloses(Range) encloses} all ranges in this
   * range set.
   *
   * @throws NoSuchElementException if this range set is {@linkplain #isEmpty() empty}
   */
  Range<C> span();

  // Views

  /**

        rangeMap.put(range1, 1);
        rangeMap.put(range2, 2);

        Range<Integer> expected;
        if (range1.isEmpty()) {
          if (range2.isEmpty()) {
            expected = null;
          } else {
            expected = range2;
          }
        } else {
          if (range2.isEmpty()) {
            expected = range1;
          } else {
            expected = range1.span(range2);
          }

                if (plugin.isExtensions()) {
                    extensionPlugins.add(plugin);
                }
            }
        }

        if (extensionPlugins.isEmpty()) {
            if (logger.isDebugEnabled()) {
                logger.debug("Extension realms for project " + model.getId() + ": (none)");
            }

            return new ProjectRealmCache.CacheRecord(null, null);

            List<Artifact> artifacts) {
        List<ClassRealmConstituent> constituents = new ArrayList<>(artifacts == null ? 0 : artifacts.size());

        if (artifacts != null && !artifacts.isEmpty()) {
            for (Artifact artifact : artifacts) {
                if (!isProvidedArtifact(artifact) && artifact.getFile() != null) {
                    constituents.add(new ArtifactClassRealmConstituent(artifact));

            List<Plugin> src = source.getPlugins();
            if (!src.isEmpty()) {
                List<Plugin> tgt = target.getPlugins();
                Map<Object, Plugin> master = new LinkedHashMap<>(src.size() * 2);

                for (Plugin element : src) {
                    if (element.isInherited() || !element.getExecutions().isEmpty()) {