public abstract class ForwardingSet<E extends @Nullable Object> extends ForwardingCollection<E>
    implements Set<E> {
  // TODO(lowasser): identify places where thread safety is actually lost

  /** Constructor for use by subclasses. */
  protected ForwardingSet() {}

  @Override
  protected abstract Set<E> delegate();

  @Override
  public boolean equals(@Nullable Object object) {
    return object == this || delegate().equals(object);
  }

            processor.init();

            // Should handle exception gracefully and return results from working searcher
            final List<Map<String, Object>> results = processor.search("*", new TestSearchRequestParams(0, 10, 0), OptionalThing.empty());
            assertNotNull(results);
        }
    }

    /**

  @GwtIncompatible // weak references
  @J2ktIncompatible
  public void testFreesNextReference() {
    Iterator<Object> itr =
        new AbstractIterator<Object>() {
          @Override
          public Object computeNext() {
            return new Object();
          }
        };
    WeakReference<Object> ref = doNextAndGetWeakReference(itr);
    GcFinalization.awaitClear(ref);
  }

    default MessageBuilder info(Object message) {
        return style("." + Constants.MAVEN_STYLE_INFO_NAME + ":-" + Constants.MAVEN_STYLE_INFO_DEFAULT, message);
    }

    /**
     * Append message content in warning style.
     * By default, bold yellow
     *
     * @param message the message to append
     * @return the current builder
     */
    @Nonnull
    default MessageBuilder warning(Object message) {

      public boolean contains(@Nullable Object object) {
        return object != null && Collections2.safeContains(delegate, object);
      }

      @Override
      public boolean containsAll(Collection<?> collection) {
        return standardContainsAll(collection);
      }

      @Override
      public boolean remove(@Nullable Object object) {
        return object != null && Collections2.safeRemove(delegate, object);

    @Subscribe
    public abstract void overriddenAndAnnotatedInSubclass(Object o);

    @Subscribe
    public abstract void overriddenInSubclass(Object o);
  }

  static class SubClass extends SuperClass {
    final List<Object> overriddenAndAnnotatedInSubclassEvents = new ArrayList<>();
    final List<Object> overriddenInSubclassEvents = new ArrayList<>();

    @Subscribe
    @Override

        public void setVersionNo(Long versionNo) {
            this.versionNo = versionNo;
        }

        @Override
        public Map<String, Object> toSource() {
            return sourceMap;
        }

        public void setSourceMap(Map<String, Object> sourceMap) {
            this.sourceMap = sourceMap;
        }

        @Override
        public String getEventType() {
            return eventType;

     * @throws IllegalAccessRuntimeException
     *             If this {@link Method} object enforces Java language access control and the underlying method is not accessible
     * @throws InvocationTargetRuntimeException
     *             If the underlying method throws an exception
     * @see Method#invoke(Object, Object[])
     */
    @SuppressWarnings("unchecked")

  - Pool number the object operation was performed on.
  - Set number the object operation was performed on.
  - The list of drives participating in this operation belong to the set.

## Explore Further

- [MinIO Quickstart Guide](https://docs.min.io/community/minio-object-store/operations/deployments/baremetal-deploy-minio-on-redhat-linux.html)

        final List<Map<String, Object>> list = List.of(Map.of("id", "1"), Map.of("id", "2"));
        final Map<String, Object> map = Map.of("items", list);
        final List<Map<String, Object>> result = coordinatorHelper.getListValue(map, "items");
        assertNotNull(result);
        assertEquals(2, result.size());
    }

    @Test
    public void test_getListValue_notList() {