return rowKeyToIndex.containsKey(rowKey);
  }

  @Override
  public boolean containsValue(@Nullable Object value) {
    for (@Nullable V[] row : array) {
      for (V element : row) {
        if (Objects.equals(value, element)) {
          return true;
        }
      }
    }
    return false;
  }

  @Override
  public @Nullable V get(@Nullable Object rowKey, @Nullable Object columnKey) {

  }

  private static ClassPath.ClassInfo findClass(
      Iterable<ClassPath.ClassInfo> classes, Class<?> cls) {
    for (ClassPath.ClassInfo classInfo : classes) {
      if (classInfo.getName().equals(cls.getName())) {
        return classInfo;
      }
    }
    throw new AssertionError("failed to find " + cls);
  }

  private static ResourceInfo resourceInfo(Class<?> cls) {

            assertTrue(result.contains("share=null"));
            assertTrue(result.contains("link=null"));
            assertTrue(result.contains("path=null"));
        }
    }

    @Nested
    @DisplayName("Equals and HashCode Tests")
    class EqualsHashCodeTests {

        private DfsReferralDataImpl data1;
        private DfsReferralDataImpl data2;

        @BeforeEach
        void setupData() {

                }

                final String sid = scrollId;
                response = get(c -> c.prepareSearchScroll(sid).setScroll(scrollForDelete).execute());
                if (!scrollId.equals(response.getScrollId())) {
                    clearScroll(scrollId);
                }
                scrollId = response.getScrollId();
            }
        } finally {
            clearScroll(scrollId);

     * are compared. Similar to the {@link #hashCode} method, the comparison
     * is based on the integer IP address and not the string representation.
     */

    @Override
    public boolean equals(final Object obj) {
        return obj instanceof NbtAddress && ((NbtAddress) obj).address == address;
    }

    /**
     * Returns the {@link java.lang.String} representaion of this address.
     */

                versionRange,
                d.getType(),
                d.getClassifier(),
                d.getScope(),
                d.isOptional());

        if (Artifact.SCOPE_SYSTEM.equals(d.getScope()) && d.getSystemPath() != null) {
            artifact.setFile(new File(d.getSystemPath()));
        }

        if (!d.getExclusions().isEmpty()) {
            List<String> exclusions = new ArrayList<>();

    @Override
    public int hashCode() {
        return this.mid;
    }

    @Override
    public boolean equals(final Object obj) {
        return obj instanceof ServerMessageBlock && ((ServerMessageBlock) obj).mid == this.mid;
    }

    @Override
    public String toString() {

                                logger.debug("Process command: {}", command);
                            }
                            if (Constants.CRAWLER_PROCESS_COMMAND_THREAD_DUMP.equals(command)) {
                                ThreadDumpUtil.printThreadDump();
                            } else {
                                logger.warn("Unknown process command: {}", command);

   * from B to A).
   */
  private static boolean canTraverseWithoutReusingEdge(
      Graph<?> graph, Object nextNode, @Nullable Object previousNode) {
    if (graph.isDirected() || !Objects.equals(previousNode, nextNode)) {
      return true;
    }
    // This falls into the undirected A->B->A case. The Graph interface does not support parallel

That is not the same as declaring default values like would be with:

```Python
    first_name="john", last_name="doe"
```

It's a different thing.

We are using colons (`:`), not equals (`=`).

And adding type hints normally doesn't change what happens from what would happen without them.

But now, imagine you are again in the middle of creating that function, but with type hints.