// Test with empty groups
        groups = new String[] {};
        user = new TestFessUser("testuser", new String[] {}, groups, new String[] {});
        assertArrayEquals(groups, user.getGroupNames());

        // Test with null groups
        user = new TestFessUser("testuser", new String[] {}, null, new String[] {});
        assertNull(user.getGroupNames());

        // Test with groups containing spaces

                            if (groups == null) {
                                groups = new ArrayList<>();
                                map.put(mem, groups);
                            }
                            if (!groups.contains(groupSid)) {
                                groups.add(groupSid);
                            }
                        }
                    }

// GroupBy group by clause
type GroupBy struct {
	Columns []Column
	Having  []Expression
}

// Name from clause name
func (groupBy GroupBy) Name() string {
	return "GROUP BY"
}

// Build build group by clause
func (groupBy GroupBy) Build(builder Builder) {
	for idx, column := range groupBy.Columns {
		if idx > 0 {
			builder.WriteByte(',')
		}

		builder.WriteQuoted(column)
	}

	if len(groupBy.Having) > 0 {

    }

    @Override
    public Model findModel(Artifact artifact) {
        if (GROUP_ID.equals(artifact.getGroupId())
                && ARTIFACT_ID.equals(artifact.getArtifactId())
                && VERSION.equals(artifact.getVersion())) {
            Model m = new Model();
            m.setArtifactId(ARTIFACT_ID);
            m.setGroupId(GROUP_ID);
            m.setVersion(VERSION);
            Repository repository = new Repository();

   * described in the class documentation.
   *
   * @throws NullPointerException if any of {@code elements} is null
   * @since 6.0
   */
  public static <E> ImmutableMultiset<E> copyOf(E[] elements) {
    return copyFromElements(elements);
  }

  /**
   * Returns an immutable multiset containing the given elements, in the "grouped iteration order"

    protected Class<? extends Group> typeOfSelectedEntity() {
        return Group.class;
    }

    @Override
    protected Class<Group> typeOfHandlingEntity() {
        return Group.class;
    }

    @Override
    protected Class<GroupCB> typeOfHandlingConditionBean() {
        return GroupCB.class;
    }

    public ListResultBean<Group> selectList(CBCall<GroupCB> cbLambda) {

        int flags = 0;
        groupSid.getGroupMemberSids(server, mockContext, flags);

        verify(mockResolver).getGroupMemberSids(mockContext, server, groupSid.getDomainSid(), groupSid.getRid(), flags);
    }

    /**
     * Test getting group members for a non-group SID.
     *
     * @throws IOException if an I/O error occurs
     * @throws SmbException if the SID string is invalid
     */

If you generate a client for a FastAPI app using tags, it will normally also separate the client code based on the tags.

This way, you will be able to have things ordered and grouped correctly for the client code:

<img src="/img/tutorial/generate-clients/image06.png">

In this case, you have:

* `ItemsService`
* `UsersService`

### Client Method Names { #client-method-names }

		t.Errorf("no error should happen, but got %v", err)
	}

	if name != "groupby" || total != 60 {
		t.Errorf("name should be groupby, but got %v, total should be 60, but got %v", name, total)
	}

	if err := DB.Model(&User{}).Select("name, sum(age)").Where("name = ?", "groupby").Group("users.name").Row().Scan(&name, &total); err != nil {

        GroupCQ mustNotQuery = new GroupCQ();
        GroupCQ filterQuery = new GroupCQ();
        boolLambda.callback(mustQuery, shouldQuery, mustNotQuery, filterQuery);
        if (mustQuery.hasQueries() || shouldQuery.hasQueries() || mustNotQuery.hasQueries() || filterQuery.hasQueries()) {
            BoolQueryBuilder builder = regBoolCQ(mustQuery.getQueryBuilderList(), shouldQuery.getQueryBuilderList(),