/** Implementation of an {@link Optional} not containing a reference. */
@GwtCompatible
final class Absent<T> extends Optional<T> {
  static final Absent<Object> INSTANCE = new Absent<>();

  @SuppressWarnings("unchecked") // implementation is "fully variant"
  static <T> Optional<T> withType() {
    return (Optional<T>) INSTANCE;
  }

  private Absent() {}

  @Override
  public boolean isPresent() {
    return false;
  }

            final Object readingObj = source.get(FieldNames.READING_PREFIX + i);
            if (!(readingObj instanceof List)) {
                break;
            }
            @SuppressWarnings("unchecked")
            final List<String> list = (List<String>) readingObj;
            readings.add(list.toArray(new String[list.size()]));
        }

                this.binder.bind(k).toProvider(new BridgeProvider<>(binding));
            }
            return this;
        }

        @SuppressWarnings("unchecked")
        private static <U> com.google.inject.Key<U> toGuiceKey(Key<U> key) {
            if (key.getQualifier() instanceof String s) {

        }
    }

    @Override
    public final String getPropertyName() {
        return propertyName;
    }

    @Override
    @SuppressWarnings("unchecked")
    public final <T> Class<T> getPropertyType() {
        return (Class<T>) propertyType;
    }

    @Override
    public final Method getReadMethod() {
        return readMethod;
    }

  // but types are typically only Comparable to themselves).
  @SuppressWarnings({"rawtypes", "unchecked"})
  private static MultimapBuilderWithKeys<Comparable<?>> rawtypeToWildcard(
      MultimapBuilderWithKeys<Comparable> treeKeys) {
    return (MultimapBuilderWithKeys) treeKeys;
  }

  @SuppressWarnings({"rawtypes", "unchecked"})
  private static <K extends @Nullable Object>

                  // Other tests will verify what real, warning-free usage looks like
                  // but here we have to do some serious fudging
                  @Override
                  @SuppressWarnings({"unchecked", "rawtypes"})
                  public Map<TypeToken, Object> create(Object... elements) {
                    ImmutableTypeToInstanceMap.Builder<Object> builder =
                        ImmutableTypeToInstanceMap.builder();

        }
        return;
      }
    }
    fail(
        rootLocaleFormat(
            "Feature enum %s should contain an annotation named 'Require'.", featureEnumClass));
  }

  @SuppressWarnings("unchecked")
  private static Class<? extends Annotation> asAnnotation(Class<?> clazz) {
    if (clazz.isAnnotation()) {
      return (Class<? extends Annotation>) clazz;
    } else {

        // Test ArrayList
        final List<String> list = new ArrayList<>();
        list.add("item1");
        list.add("item2");
        binary = SerializeUtil.fromObjectToBinary(list);
        @SuppressWarnings("unchecked")
        final List<String> resultList = (List<String>) SerializeUtil.fromBinaryToObject(binary);
        assertEquals(list.size(), resultList.size());
        assertEquals(list.get(0), resultList.get(0));

              ImmutableRangeSet.Builder::build);

  // Lists

  @SuppressWarnings({"rawtypes", "unchecked"})
  static <E> Collector<E, ?, ImmutableList<E>> toImmutableList() {
    return (Collector) TO_IMMUTABLE_LIST;
  }

  // Sets

  @SuppressWarnings({"rawtypes", "unchecked"})
  static <E> Collector<E, ?, ImmutableSet<E>> toImmutableSet() {
    return (Collector) TO_IMMUTABLE_SET;
  }

    }

    // ----------------------------------------------------------------------
    // Public methods
    // ----------------------------------------------------------------------

    @SuppressWarnings({"unchecked", "rawtypes"})
    public Object convert(final TypeLiteral role, final String value) {
        if (value.trim().startsWith("<")) {
            try {
                final MXParser parser = new MXParser();