*
 * @author Emily Soldal
 */
@GwtCompatible
final class AllEqualOrdering extends Ordering<@Nullable Object> implements Serializable {
  static final AllEqualOrdering INSTANCE = new AllEqualOrdering();

  @Override
  @SuppressWarnings("UnusedVariable") // intentionally weird Comparator
  public int compare(@Nullable Object left, @Nullable Object right) {
    return 0;
  }

  @Override

```
@Rule public final MockWebServerRule serverRule = new MockWebServerRule();
```

The `serverRule` field has a `server` field. It is an instance of `MockWebServer`. That instance
will be shut down automatically after the test runs.

For Kotlin, the `@JvmField` annotation is also necessary:

```
@JvmField @Rule val serverRule = MockWebServerRule()

            }
        }
        return event;
    }

    /**
     * Factory method to create an ErrorToWarnRewritePolicy instance.
     *
     * @param loggerNamePrefix comma-separated list of logger name prefixes
     * @return a new ErrorToWarnRewritePolicy instance
     */
    @PluginFactory
    public static ErrorToWarnRewritePolicy createPolicy(@PluginAttribute("loggers") final String loggerNamePrefix) {

    }

    /**
     * Constructs an instance.
     *
     * @param reader
     *            The {@link Reader} to read strings from. Must not be {@literal null}.
     */
    public LineIterator(final Reader reader) {
        assertArgumentNotNull("reader", reader);
        this.reader = new BufferedReader(reader);
    }

    /**
     * Constructs an instance.
     *
     * @param reader

     */
    @Test
    void testConstructorAndGetData() {
        // Create a mock DfsReferralData object
        DfsReferralData mockData = mock(DfsReferralData.class);

        // Create a DfsReferral instance with the mock data
        DfsReferral dfsReferral = new DfsReferral(mockData);

        // Verify that getData() returns the same mock data object

 *            The type of the value
 */
public class ValueHolder<T> {

    /** The value */
    protected T value;

    /**
     * Constructs an instance.
     */
    public ValueHolder() {
    }

    /**
     * Constructs an instance.
     *
     * @param value
     *            The value
     */
    public ValueHolder(final T value) {
        this.value = value;
    }

    /**

    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
    }

    public void test_constructor() {
        // Test that constructor creates instance without error
        PurgeDocJob job = new PurgeDocJob();
        assertNotNull(job);
    }

    public void test_execute_success() {
        // Execute the job
        String result = purgeDocJob.execute();

   * the {@link Writer#nullWriter()} method returns a new instance whose methods throw after the
   * instance is {@link Writer#close() closed}.
   *
   * @since 15.0
   */
  public static Writer nullWriter() {
    return NullWriter.INSTANCE;
  }

  private static final class NullWriter extends Writer {

    private static final NullWriter INSTANCE = new NullWriter();

    @Override

    private val PREVAILING_RULE = listOf("*")

    private const val EXCEPTION_MARKER = '!'

    private var instance = PublicSuffixDatabase(PublicSuffixList.Default)

    fun get(): PublicSuffixDatabase = instance

    private fun ByteString.binarySearch(
      labels: Array<ByteString>,
      labelIndex: Int,
    ): String? {
      var low = 0
      var high = size

        // Act & Assert
        // unwrap to interface itself should return same instance
        CredentialsInternal unwrapped = creds.unwrap(CredentialsInternal.class);
        assertNotNull(unwrapped, "unwrap to CredentialsInternal returns instance");
        assertSame(creds, unwrapped, "unwrap returns the same object instance");

        // unwrap to unrelated type should return null (use another Credentials implementation)