assertNull(bothNullException.getCause());
    }

    @Test
    @DisplayName("Test deprecated getRootCause method returns the same as getCause")
    @SuppressWarnings("deprecation")
    public void testGetRootCause() {
        // Test with no cause
        TransportException noCauseException = new TransportException("No cause");
        assertNull(noCauseException.getRootCause());

                .setDeprecatedHandler(usedDeprecatedOptions::add)
                .build();

        CommandLine commandLine = parser.parse(options, cleanArgs);
        // to trigger deprecation handler, so we can report deprecation BEFORE we actually use options
        options.getOptions().forEach(commandLine::hasOption);
        return commandLine;
    }

    public Set<Option> getUsedDeprecatedOptions() {

    the [Guava Beta Checker] to ensure that you do not use any `@Beta` APIs!**

2.  APIs without `@Beta` will remain binary-compatible for the indefinite
    future. (Previously, we sometimes removed such APIs after a deprecation
    period. The last release to remove non-`@Beta` APIs was Guava 21.0.) Even
    `@Deprecated` APIs will remain (again, unless they are `@Beta`). We have no

    static final Comparator<byte[]> BEST_COMPARATOR = getBestComparator();

    @SuppressWarnings({
      // b/345822163
      "SunApi",
      "deprecation",
      // The `deprecation` suppression is for Unsafe APIs that aren't deprecated under some versions
      "UnnecessaryJavacSuppressWarnings"
    })
    @VisibleForTesting

OkHttp 3.x. You can use an OkHttp 4.x .jar file with applications or libraries built for OkHttp 3.x.

OkHttp is **not** source-compatible for Kotlin callers, but upgrading should be automatic thanks to
Kotlin’s powerful deprecation features. Most developers should be able to use IntelliJ’s _Code
Cleanup_ for a safe and fast upgrade.


Backwards-Incompatible Changes
------------------------------

#### OkHttpClient final methods

Then you can declare an `alias`, and that alias is what will be used to find the parameter value:

{* ../../docs_src/query_params_str_validations/tutorial009_an_py310.py hl[9] *}

## Deprecating parameters { #deprecating-parameters }

Now let's say you don't like this parameter anymore.

as `build-tools` to be usuable by thirdparty elasticsearch plugin authors. This is
also used by other elastic teams like `elasticsearch-hadoop`.
Breaking changes should therefore be avoided and an appropriate deprecation cycle
should be followed.

### Stay up to date

The elasticsearch build usually uses the latest Gradle GA release. We stay as close to the

@GwtCompatible
@NullMarked
public class MultimapsTest extends TestCase {

  private static final Comparator<Integer> INT_COMPARATOR =
      Ordering.<Integer>natural().reverse().nullsFirst();

  @SuppressWarnings({"deprecation", "InlineMeInliner"}) // test of a deprecated method
  public void testUnmodifiableListMultimapShortCircuit() {
    ListMultimap<String, Integer> mod = ArrayListMultimap.create();

        result.addAll(project.getArtifacts());
        result.addAll(getAttachedArtifacts(project));
        return Collections.unmodifiableCollection(result);
    }

    @Override
    @SuppressWarnings("deprecation")
    public void attachArtifact(@Nonnull Project project, @Nonnull ProducedArtifact artifact, @Nonnull Path path) {
        requireNonNull(project, "project cannot be null");

    assertEquals(0, caseInsensitiveOrdering.compare("A", "a"));
    assertTrue(caseInsensitiveOrdering.compare("a", "B") < 0);
    assertTrue(caseInsensitiveOrdering.compare("B", "a") > 0);

    @SuppressWarnings({"deprecation", "InlineMeInliner"}) // test of a deprecated method
    Ordering<String> orderingFromOrdering = Ordering.from(Ordering.<String>natural());
    new EqualsTester()