// Arrange
        byte[] buf;
        if (bufferSupplierOrBytes instanceof byte[]) {
            buf = (byte[]) bufferSupplierOrBytes;
        } else {
            @SuppressWarnings("unchecked")
            java.util.function.Supplier<byte[]> sup = (java.util.function.Supplier<byte[]>) bufferSupplierOrBytes;
            buf = sup.get();
        }

        // Act + Assert

  public void testSampleCodeFine2() {
    FluentIterable<? extends Number> numbers = getSomeNumbers();

    // Sadly, the following is what users will have to do in some circumstances.

    @SuppressWarnings("unchecked") // safe covariant cast
    Optional<Number> first = (Optional<Number>) numbers.first();
    Number value = first.or(0.5); // fine
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester

            return new SimpleSession(mavenSession, getRepositorySystem(), repositories);
        }

        @SuppressWarnings("unchecked")
        @Override
        public <T extends Service> T getService(Class<T> clazz) throws NoSuchElementException {
            if (clazz == ArtifactCoordinatesFactory.class) {

    CheckSetUpHashMapGenerator(AtomicBoolean setUpRan) {
      this.setUpRan = setUpRan;
    }

    @Override
    Map<String, String> wrap(HashMap<String, String> map) {
      @SuppressWarnings("unchecked")
      Map<String, String> proxy =
          Reflection.newProxy(Map.class, new CheckSetUpInvocationHandler(map, setUpRan));
      return proxy;
    }
  }

  /**

  private final int[] cellColumnIndices;

  DenseImmutableTable(
      ImmutableList<Cell<R, C, V>> cellList,
      ImmutableSet<R> rowSpace,
      ImmutableSet<C> columnSpace) {
    @SuppressWarnings("unchecked")
    @Nullable V[][] array = (@Nullable V[][]) new Object[rowSpace.size()][columnSpace.size()];
    this.values = array;
    this.rowKeyToIndex = Maps.indexMap(rowSpace);
    this.columnKeyToIndex = Maps.indexMap(columnSpace);

    newBuilder.nodeOrder = nodeOrder;
    newBuilder.expectedNodeCount = expectedNodeCount;
    newBuilder.incidentEdgeOrder = incidentEdgeOrder;
    return newBuilder;
  }

  @SuppressWarnings("unchecked")
  private <N1 extends N, V1 extends V> ValueGraphBuilder<N1, V1> cast() {
    return (ValueGraphBuilder<N1, V1>) this;
  }

                CollectionFeature.ALLOWS_NULL_VALUES,
                CollectionFeature.REMOVE_OPERATIONS)
            .createTestSuite());

    return suite;
  }

  @SuppressWarnings({"rawtypes", "unchecked"})
  public void testForwarding() {
    new ForwardingWrapperTester()
        .testForwarding(
            Multiset.class,
            new Function<Multiset, Multiset>() {
              @Override

        }
        return null;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Address#unwrap(java.lang.Class)
     */
    @SuppressWarnings("unchecked")
    @Override
    public <T extends Address> T unwrap(final Class<T> type) {
        if (this.addr instanceof Address) {
            return ((Address) this.addr).unwrap(type);
        }

     */
    public static <T> T[] add(final T[] array, final T obj) {
        assertArgumentNotNull("array", array);

        final int length = array.length;
        @SuppressWarnings("unchecked")
        final T[] newArray = (T[]) Array.newInstance(array.getClass().getComponentType(), length + 1);
        System.arraycopy(array, 0, newArray, 0, length);
        newArray[length] = obj;
        return newArray;

  public ImmutableMap<K, V> getAllPresent(Iterable<? extends Object> keys) {
    Map<K, V> result = new LinkedHashMap<>();
    for (Object key : keys) {
      if (!result.containsKey(key)) {
        @SuppressWarnings("unchecked")
        K castKey = (K) key;
        V value = getIfPresent(key);
        if (value != null) {
          result.put(castKey, value);
        }
      }
    }
    return ImmutableMap.copyOf(result);
  }