t.Skip("file ownership not supported on " + runtime.GOOS)
	}
	t.Parallel()

	// Use TempDir() to make sure we're on a local file system,
	// so that the group ids returned by Getgroups will be allowed
	// on the file. On NFS, the Getgroups groups are
	// basically useless.
	f := newFile("TestChown", t)
	defer Remove(f.Name())
	defer f.Close()
	dir, err := f.Stat()
	if err != nil {
		t.Fatalf("stat %s: %s", f.Name(), err)

func Getegid() int { return syscall.Getegid() }

// Getgroups returns a list of the numeric ids of groups that the caller belongs to.
//
// On Windows, it returns [syscall.EWINDOWS]. See the [os/user] package
// for a possible alternative.
func Getgroups() ([]int, error) {
	gids, e := syscall.Getgroups()
	return gids, NewSyscallError("getgroups", e)
}

    public void build() {
        groups = TreeMultimap.create(String::compareToIgnoreCase, Comparator.comparing(TaskDetails::getPath));
        for (TaskReportModel project : projects) {
            for (String group : project.getGroups()) {
                if (isVisible(group)) {
                    for (final TaskDetails task : project.getTasksForGroup(group)) {
                        groups.put(group, mergeTasksWithSameName ? mergedTaskDetails(task) : task);

        }

        @Override
        public ExcludeSpec doIntersect(GroupSetExclude left, GroupSetExclude right, ExcludeFactory factory) {
            Set<String> groups = left.getGroups();
            Set<String> common = Sets.newHashSet(right.getGroups());
            common.retainAll(groups);
            return factory.fromGroups(common);
        }
    }

    @NonNullApi

})(nil)

// The user info accessors known to cache key construction. If this fails to compile, the cache
// implementation may need to be updated.
var _ user.Info = (interface {
	GetName() string
	GetUID() string
	GetGroups() []string
	GetExtra() map[string][]string
})(nil)

// Authorize returns an authorization decision by delegating to another Authorizer. If an equivalent

    public String[] getRoleNames() {
        return stream(getRoles()).get(stream -> stream.map(this::decode).toArray(n -> new String[n]));
    }

    @Override
    public String[] getGroupNames() {
        return stream(getGroups()).get(stream -> stream.map(this::decode).toArray(n -> new String[n]));
    }

    private String decode(final String value) {
        return new String(Base64.getDecoder().decode(value), Constants.CHARSET_UTF_8);
    }

        assertEquals(options, options.group(groupTwoName, groupTwoPackages));
        assertEquals(2, options.getGroups().size());
        assertArrayEquals(groupOnePackages, options.getGroups().get(groupOneName).toArray());
        assertArrayEquals(groupTwoPackages, options.getGroups().get(groupTwoName).toArray());
    }

    @Test
    public void testFluentNoDeprecated() {

        addToGroup(project.getMainGroup(), xcodeProject.getGroups().getSources(), "Sources");
        addToGroup(project.getMainGroup(), xcodeProject.getGroups().getHeaders(), "Headers");
        addToGroup(project.getMainGroup(), xcodeProject.getGroups().getTests(), "Tests");
        addToGroup(project.getMainGroup(), xcodeProject.getGroups().getRoot());

        for (XcodeTarget xcodeTarget : xcodeProject.getTargets()) {

 * limitations under the License.
 */
package org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes.specs;

import java.util.Set;

public interface GroupSetExclude extends ExcludeSpec {
    Set<String> getGroups();

                FileCollection sources = component.getCppSource();
                xcodeProject.getGroups().getSources().from(sources);

                FileCollection headers = component.getHeaderFiles();
                xcodeProject.getGroups().getHeaders().from(headers);

                // TODO - should use the _install_ task for an executable