Multiset<? extends E> multiset) {
    if (multiset instanceof UnmodifiableMultiset || multiset instanceof ImmutableMultiset) {
      @SuppressWarnings("unchecked") // Since it's unmodifiable, the covariant cast is safe
      Multiset<E> result = (Multiset<E>) multiset;
      return result;
    }
    return new UnmodifiableMultiset<>(checkNotNull(multiset));
  }

  /**
   * Simply returns its argument.
   *

      Multiset<? extends E> multiset) {
    if (multiset instanceof UnmodifiableMultiset || multiset instanceof ImmutableMultiset) {
      @SuppressWarnings("unchecked") // Since it's unmodifiable, the covariant cast is safe
      Multiset<E> result = (Multiset<E>) multiset;
      return result;
    }
    return new UnmodifiableMultiset<>(checkNotNull(multiset));
  }

  /**
   * Simply returns its argument.
   *

      /*
       * The cast is safe: There was no exception, so the assignment from getDone must have
       * succeeded.
       */
      set(uncheckedCastNullableTToT(sourceResult));
      return;
    }

    if (!isInstanceOfThrowableClass(throwable, localExceptionType)) {
      setFuture(localInputFuture);
      // TODO(cpovirk): Test that fallback is not run in this case.
      return;
    }

  }

  @Override
  public UnmodifiableIterator<C> iterator() {
    return new AbstractSequentialIterator<C>(first()) {
      final C last = last();

      @Override
      @CheckForNull
      protected C computeNext(C previous) {
        return equalsOrThrow(previous, last) ? null : domain.next(previous);
      }
    };
  }

  @GwtIncompatible // NavigableSet
  @Override

    assertCastFails(Long.MAX_VALUE);
    assertCastFails(Long.MIN_VALUE);
  }

  private static void assertCastFails(long value) {
    try {
      UnsignedInts.checkedCast(value);
      fail("Cast to int should have failed: " + value);
    } catch (IllegalArgumentException ex) {
      assertThat(ex).hasMessageThat().contains(String.valueOf(value));
    }
  }

  public void testSaturatedCast() {

        for (int i = 0; i < 8; i++)
            tail[padLen + i] = (byte)((count * 8) >>> (8 * i));

        engineUpdate(tail, 0, tail.length);

        byte[] result = new byte[16];
        // cast this MD4's context (array of 4 ints) into an array of 16 bytes.
        for (int i = 0; i < 4; i++)
            for (int j = 0; j < 4; j++)
                result[i * 4 + j] = (byte)(context[i] >>> (8 * j));

      field.isAccessible = true
      val value = field.get(instance)
      return if (!fieldType.isInstance(value)) null else fieldType.cast(value)
    } catch (_: NoSuchFieldException) {
    }

    c = c.superclass
  }

  // Didn't find the field we wanted. As a last gasp attempt,
  // try to find the value on a delegate.
  if (fieldName != "delegate") {

    }
  }

  public static class DegeneratedImmutableSetGenerator extends TestStringSetGenerator {
    // Make sure we get what we think we're getting, or else this test
    // is pointless
    @SuppressWarnings("cast")
    @Override
    protected Set<String> create(String[] elements) {
      return (ImmutableSet<String>) ImmutableSet.of(elements[0], elements[0]);
    }
  }

    return iterator.hasNext() ? iterator.next() : defaultValue;
  }

  /**
   * Advances {@code iterator} to the end, returning the last element.
   *
   * @return the last element of {@code iterator}
   * @throws NoSuchElementException if the iterator is empty
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T getLast(Iterator<T> iterator) {

                  for (Field f : k.getDeclaredFields()) {
                    f.setAccessible(true);
                    Object x = f.get(null);
                    if (k.isInstance(x)) {
                      return k.cast(x);
                    }
                  }
                  throw new NoSuchFieldError("the Unsafe");
                });
      } catch (PrivilegedActionException e) {