valueHolder.name = checkNotNull(name);
      return this;
    }

    // Holder object for values that might be null and/or empty.
    static class ValueHolder {
      @Nullable String name;
      @Nullable Object value;
      @Nullable ValueHolder next;
    }

    /**
     * Holder object for values that cannot be null or empty (will be printed unconditionally). This

            if (oldValue instanceof Object[]) {
                oldValues = (Object[]) oldValue;
            } else if (oldValue instanceof Collection<?>) {
                oldValues = ((Collection<?>) oldValue).toArray();
            } else {
                oldValues = new Object[] { oldValue };
            }
            if (value.getClass().isArray()) {
                final Object[] newValues = (Object[]) value;

        Supplier<Object> supplier = () -> Boolean.TRUE;

        monitorTarget.append(buf, "boolKey", supplier);
        assertEquals("\"boolKey\":\"true\"", buf.toString());
    }

    // Test append method with Date value (other object type)
    public void test_append_dateValue() {
        StringBuilder buf = new StringBuilder();
        Date date = new Date(1609459200000L);
        Supplier<Object> supplier = () -> date;

      extends View<K, V, Entry<V, K>> {
    InverseEntrySet(HashBiMap<K, V> biMap) {
      super(biMap);
    }

    @Override
    public boolean contains(@Nullable Object o) {
      if (o instanceof Entry) {
        Entry<?, ?> e = (Entry<?, ?>) o;
        Object v = e.getKey();
        Object k = e.getValue();

 * @since 10.0
 */
public class DeadEvent {

  private final Object source;
  private final Object event;

  /**
   * Creates a new DeadEvent.
   *
   * @param source object broadcasting the DeadEvent (generally the {@link EventBus}).
   * @param event the event that could not be delivered.
   */
  public DeadEvent(Object source, Object event) {
    this.source = checkNotNull(source);

        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;

final class CollectCollectors {

  private static final Collector<Object, ?, ImmutableList<Object>> TO_IMMUTABLE_LIST =
      Collector.of(
          ImmutableList::builder,
          ImmutableList.Builder::add,
          ImmutableList.Builder::combine,
          ImmutableList.Builder::build);

  private static final Collector<Object, ?, ImmutableSet<Object>> TO_IMMUTABLE_SET =
      Collector.of(
          ImmutableSet::builder,

@GwtCompatible
final class CollectCollectors {

  private static final Collector<Object, ?, ImmutableList<Object>> TO_IMMUTABLE_LIST =
      Collector.of(
          ImmutableList::builder,
          ImmutableList.Builder::add,
          ImmutableList.Builder::combine,
          ImmutableList.Builder::build);

  private static final Collector<Object, ?, ImmutableSet<Object>> TO_IMMUTABLE_SET =
      Collector.of(
          ImmutableSet::builder,

@GwtIncompatible
public final class SafeTreeSet<E> implements Serializable, NavigableSet<E> {
  @SuppressWarnings("unchecked")
  private static final Comparator<Object> NATURAL_ORDER =
      new Comparator<Object>() {
        @Override
        public int compare(Object o1, Object o2) {
          return ((Comparable<Object>) o1).compareTo(o2);
        }
      };

  private final NavigableSet<E> delegate;

  public SafeTreeSet() {

        }

        /**
         * The configuration setting object.
         */
        protected Object setting;

        /**
         * Sets the configuration setting object.
         * @param setting The configuration setting object.
         * @return The ApiConfigResponse instance.
         */
        public ApiConfigResponse setting(final Object setting) {
            this.setting = setting;