// even though K doesn't explicitly implement Comparable.
      comparator = (Comparator<? super K>) NATURAL_ORDER;
    }
    if (map instanceof ImmutableSortedMap) {
      // TODO(kevinb): Prove that this cast is safe, even though
      // Collections.unmodifiableSortedMap requires the same key type.
      @SuppressWarnings("unchecked")
      ImmutableSortedMap<K, V> kvMap = (ImmutableSortedMap<K, V>) map;

    if (expireAfterWriteNanos == 0 || expireAfterAccessNanos == 0) {
      return 0;
    }
    return (weigher == null) ? maximumSize : maximumWeight;
  }

  // Make a safe contravariant cast now so we don't have to do it over and over.
  @SuppressWarnings("unchecked")
  <K1 extends K, V1 extends V> Weigher<K1, V1> getWeigher() {
    return (Weigher<K1, V1>) MoreObjects.firstNonNull(weigher, OneWeigher.INSTANCE);

        if (modelCache != null) {
            Object data = modelCache.get(groupId, artifactId, version, tag.getName());
            if (data != null) {
                return tag.fromCache(tag.getType().cast(data));
            }
        }
        return null;
    }

    private void fireEvent(
            Model model,
            ModelBuildingRequest request,

                if (ex != null) {
                    throw ex;
                }

                if (ctx.isEstablished()) {
                    setSessionSetup(response);
                    @SuppressWarnings("cast")
                    CommonServerMessageBlockResponse cresp = response != null ? response.getNextResponse() : null;
                    if (cresp != null && cresp.isReceived()) {
                        return (T) cresp;

   * {@code isDone()} method always returns {@code true}.
   */
  public static <V extends @Nullable Object> ListenableFuture<V> immediateFuture(
      @ParametricNullness V value) {
    if (value == null) {
      // This cast is safe because null is assignable to V for all V (i.e. it is bivariant)
      @SuppressWarnings("unchecked")
      ListenableFuture<V> typedNull = (ListenableFuture<V>) ImmediateFuture.NULL;
      return typedNull;
    }

      this.threshold = newTable.length() * 3 / 4; // 0.75
      this.table = newTable;
    }

    // Convenience methods for testing

    /**
     * Unsafe cast of the given entry to {@code E}, the type of the specific {@link InternalEntry}
     * implementation type.
     *
     * <p>This method is provided as a convenience for tests. Otherwise they'd need to be

   * other, pass it first. Unfortunately, since this method sets the generic type of the returned
   * set based on the type of the first set passed, this could in rare cases force you to make a
   * cast, for example:
   *
   * {@snippet :
   * Set<Object> aFewBadObjects = ...
   * Set<String> manyBadStrings = ...
   *
   * // impossible for a non-String to be in the intersection

      this.threshold = newTable.length() * 3 / 4; // 0.75
      this.table = newTable;
    }

    // Convenience methods for testing

    /**
     * Unsafe cast of the given entry to {@code E}, the type of the specific {@link InternalEntry}
     * implementation type.
     *
     * <p>This method is provided as a convenience for tests. Otherwise they'd need to be