jspItems.add(new Pair<>(":" + p.getFirst(), "/" + p.getSecond()));
        }
        for (String key : ComponentUtil.getVirtualHostHelper().getVirtualHostPaths()) {
            if (StringUtil.isBlank(key)) {
                key = "/";
            }
            for (final Pair<String, String> p : systemHelper.getDesignJspFileNames()) {
                jspItems.add(new Pair<>(key + ":" + p.getFirst(), key + "/" + p.getSecond()));
            }

                }
            }
            throw new UnsupportedOperationException();
        }

        @Override
        void onEndHtmlElement(String name) {
            if (!tagStack.isEmpty() && tagStack.getFirst().equals(name)) {
                tagStack.removeFirst();
                handlerStack.removeFirst().onEndElement(name);
            }
        }

        @Override
        void onStartJavadocTag(String name) {

            params.put("User Agent", e.getUserAgent());
            e.getSearchFieldLogList().stream().forEach(p -> {
                params.put(p.getFirst(), p.getSecond());
            });
            e.getRequestHeaderList().stream().forEach(p -> {
                params.put(p.getFirst(), p.getSecond());
            });
            return params;
        }).get();
    }

   * forward to this implementation.
   */
  @CheckForNull
  protected Entry<K, V> standardFirstEntry() {
    return Iterables.<@Nullable Entry<K, V>>getFirst(entrySet(), null);
  }

  /**
   * A sensible definition of {@link #firstKey} in terms of {@code firstEntry}. If you override
   * {@code firstEntry}, you may wish to override {@code firstKey} to forward to this

    Iterable<String> iterable = Collections.singletonList("foo");
    assertEquals("foo", Iterables.getFirst(iterable, "bar"));
  }

  public void testGetFirst_withDefault_empty() {
    Iterable<String> iterable = Collections.emptyList();
    assertEquals("bar", Iterables.getFirst(iterable, "bar"));
  }

  public void testGetFirst_withDefault_empty_null() {

   * forward to this implementation.
   */
  @CheckForNull
  protected Entry<K, V> standardFirstEntry() {
    return Iterables.<@Nullable Entry<K, V>>getFirst(entrySet(), null);
  }

  /**
   * A sensible definition of {@link #firstKey} in terms of {@code firstEntry}. If you override
   * {@code firstEntry}, you may wish to override {@code firstKey} to forward to this

      return new Traversal<N>(graph) {
        @Override
        @CheckForNull
        N visitNext(Deque<Iterator<? extends N>> horizon) {
          Iterator<? extends N> top = horizon.getFirst();
          while (top.hasNext()) {
            N element = top.next();
            // requireNonNull is safe because horizon contains only graph nodes.
            /*

        final Pair<String[], String[]> groupsAndRoles = getParentGroup(user, id);
        StreamUtil.stream(groupsAndRoles.getFirst()).of(stream -> stream.forEach(groupList::add));
        StreamUtil.stream(groupsAndRoles.getSecond()).of(stream -> stream.forEach(roleList::add));
    }

                        .collect(Collectors.groupingBy(Pair::getFirst, Collectors.mapping(Pair::getSecond, Collectors.toList())));
                appendJson("search-field", searchFieldMap, buf).append(',');
                final Map<String, List<String>> requestHeaderMap = entity.getRequestHeaderList().stream()
                        .collect(Collectors.groupingBy(Pair::getFirst, Collectors.mapping(Pair::getSecond, Collectors.toList())));

    Iterable<String> iterable = Collections.singletonList("foo");
    assertEquals("foo", Iterables.getFirst(iterable, "bar"));
  }

  public void testGetFirst_withDefault_empty() {
    Iterable<String> iterable = Collections.emptyList();
    assertEquals("bar", Iterables.getFirst(iterable, "bar"));
  }

  public void testGetFirst_withDefault_empty_null() {