* @param <T> the type of elements
 */
public class EmptyEnumeration<T> extends IteratorEnumeration<T> {

    /**
     * Creates an {@link EmptyEnumeration}.
     */
    public EmptyEnumeration() {
        super(new EmptyIterator<T>());
    }

/**
 * Source of {@link LongAddable} objects that deals with GWT and all that.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
final class LongAddables {
  public static LongAddable create() {
    return new JavaUtilConcurrentLongAdder();
  }

  private static final class JavaUtilConcurrentLongAdder extends LongAdder implements LongAddable {}

  private LongAddables() {}

    @Override
    protected Invoker createInvoker(ClassWorld classWorld) {
        return new MavenInvoker(
                ProtoLookup.builder().addMapping(ClassWorld.class, classWorld).build(), null);
    }

    @Override
    protected Parser createParser() {
        return new MavenParser();
    }

    @Test
    void defaultFs(
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path cwd,

import okhttp3.Gzip;
import okhttp3.brotli.Brotli;
import org.junit.jupiter.api.Test;

class ZstdInterceptorJavaTest {
  @Test
  public void testConstructor() {
    CompressionInterceptor interceptor = new CompressionInterceptor(
      Zstd.INSTANCE,
      Gzip.INSTANCE,
      Brotli.INSTANCE
    );
  }

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.connection

/**
 * A RoutePlanner that will always establish a new connection, ignoring any connection pooling
 */
class ForceConnectRoutePlanner(
  private val delegate: RealRoutePlanner,
) : RoutePlanner by delegate {

    //                                                                           Singleton
    //                                                                           =========
    private static final DuplicateHostDbm _instance = new DuplicateHostDbm();

    private DuplicateHostDbm() {
    }

    public static DuplicateHostDbm getInstance() {
        return _instance;
    }

    //                                                                           Singleton
    //                                                                           =========
    private static final RelatedQueryDbm _instance = new RelatedQueryDbm();

    private RelatedQueryDbm() {
    }

    public static RelatedQueryDbm getInstance() {
        return _instance;
    }

    //                                                                           Singleton
    //                                                                           =========
    private static final RoleTypeDbm _instance = new RoleTypeDbm();

    private RoleTypeDbm() {
    }

    public static RoleTypeDbm getInstance() {
        return _instance;
    }

 * to call ({@link #methodWithoutAnnotation(String)}).
 *
 * @author Cliff Biffle
 */
@NullUnmarked
public class StringCatcher {
  private final List<String> events = new ArrayList<>();

  @Subscribe
  public void hereHaveAString(@Nullable String string) {
    events.add(string);
  }

  public void methodWithoutAnnotation(@Nullable String string) {

)

// Legacy OPA envs
const (
	EnvIamOpaURL       = "MINIO_IAM_OPA_URL"
	EnvIamOpaAuthToken = "MINIO_IAM_OPA_AUTHTOKEN"
)

// SetPolicyOPAConfig - One time migration code needed, for migrating from older config to new for PolicyOPAConfig.
func SetPolicyOPAConfig(s config.Config, opaArgs Args) {
	if opaArgs.URL == nil || opaArgs.URL.String() == "" {
		// Do not enable if opaArgs was empty.
		return
	}