implements Collection<E> {
    private SynchronizedCollection(Collection<E> delegate, @Nullable Object mutex) {
      super(delegate, mutex);
    }

    @SuppressWarnings("unchecked")
    @Override
    Collection<E> delegate() {
      return (Collection<E>) super.delegate();
    }

    @Override
    public boolean add(E e) {
      synchronized (mutex) {

        return Maps.newLinkedHashMapWithExpectedSize(expectedSize);
      case SORTED:
        return Maps.newTreeMap(comparator());
    }
    throw new AssertionError();
  }

  @SuppressWarnings("unchecked")
  <T1 extends T> ElementOrder<T1> cast() {
    return (ElementOrder<T1>) this;
  }

        return Maps.newLinkedHashMapWithExpectedSize(expectedSize);
      case SORTED:
        return Maps.newTreeMap(comparator());
    }
    throw new AssertionError();
  }

  @SuppressWarnings("unchecked")
  <T1 extends T> ElementOrder<T1> cast() {
    return (ElementOrder<T1>) this;
  }

    private static final Logger LOGGER = LoggerFactory.getLogger(MojoExecutor.class);
    private static final SessionData.Key<ProjectIndex> PROJECT_INDEX = SessionData.key(ProjectIndex.class);

    @SuppressWarnings({"unchecked", "rawtypes"})
    private static final SessionData.Key<Map<MavenProject, OwnerReentrantLock>> PROJECT_LOCKS =
            (SessionData.Key) SessionData.key(Map.class, ProjectLock.class);

        b = entries.get(1);
        c = entries.get(2);
      }
    }
  }

  /** Resets the contents of navigableMap to have entries a, c, for the navigation tests. */
  @SuppressWarnings("unchecked") // Needed to stop Eclipse whining
  private void resetWithHole() {
    Entry<K, V>[] entries = (Entry<K, V>[]) new Entry<?, ?>[] {a, c};
    super.resetMap(entries);
    navigableMap = (NavigableMap<K, V>) getMap();
  }

        this.uncPath = this.pipe.getUncPath();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbPipeHandle#unwrap(java.lang.Class)
     */
    @SuppressWarnings("unchecked")
    @Override
    public <T extends SmbPipeHandle> T unwrap(final Class<T> type) {
        if (type.isAssignableFrom(this.getClass())) {
            return (T) this;
        }
        throw new ClassCastException();

  }

  // Pretend the comparator can compare anything. If it turns out it can't
  // compare two elements, it'll throw a CCE. Only methods that are specified to
  // throw CCE should call this.
  @SuppressWarnings("unchecked")
  Comparator<Object> unsafeComparator() {
    return (Comparator<Object>) comparator;
  }

  RegularImmutableSortedSet<E> getSubSet(int newFromIndex, int newToIndex) {

    if (isCancelled() | localInputFuture == null | localFunction == null) {
      return;
    }
    inputFuture = null;

    if (localInputFuture.isCancelled()) {
      @SuppressWarnings("unchecked")
      boolean unused =
          setFuture((ListenableFuture<O>) localInputFuture); // Respects cancellation cause setting
      return;
    }

    /*

     * @param <T> The target type.
     * @param value The object to convert.
     * @param clazz The class type to convert to.
     * @return The converted object.
     */
    @SuppressWarnings("unchecked")
    protected <T> T convertObj(final Object value, final Class<T> clazz) {
        if (clazz.isAssignableFrom(String.class)) {
            return (T) value.toString();
        }

  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