*     Remainder Operator</a>
   */
  @GwtIncompatible // TODO
  public static int mod(long x, int m) {
    // Cast is safe because the result is guaranteed in the range [0, m)
    return (int) mod(x, (long) m);
  }

  /**
   * Returns {@code x mod m}, a non-negative value less than {@code m}. This differs from {@code x %
   * m}, which might be negative.
   *

          }
        }
        return false;
      }

      @Override
      public boolean remove(@Nullable Object obj) {
        /*
         * `o instanceof Entry` is guaranteed by `contains`, but we check it here to satisfy our
         * nullness checker.
         */
        if (contains(obj) && obj instanceof Entry) {
          Entry<?, ?> entry = (Entry<?, ?>) obj;

    private fun invalidLengths(strings: List<String>): Nothing = throw IOException("unexpected journal line: $strings")

    /**
     * Returns a snapshot of this entry. This opens all streams eagerly to guarantee that we see a
     * single published snapshot. If we opened streams lazily then the streams could come from
     * different edits.
     */
    internal fun snapshot(): Snapshot? {
      assertLockHeld()

   * iterable is empty, {@code Optional.absent()} is returned. If the underlying {@code iterable} is
   * a {@link List} with {@link java.util.RandomAccess} support, then this operation is guaranteed
   * to be {@code O(1)}.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.reduce((a, b) -> b)}.
   *
   * @throws NullPointerException if the last element is null; if this is a possibility, use {@link

   * and {@code streamB}. If one stream is longer than the other, the extra elements are silently
   * ignored. Elements passed to the consumer are guaranteed to come from the same position in their
   * respective source streams. For example:
   *
   * {@snippet :
   * Streams.forEachPair(
   *     Stream.of("foo1", "foo2", "foo3"),
   *     Stream.of("bar1", "bar2"),

   * iterable is empty, {@code Optional.absent()} is returned. If the underlying {@code iterable} is
   * a {@link List} with {@link java.util.RandomAccess} support, then this operation is guaranteed
   * to be {@code O(1)}.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.reduce((a, b) -> b)}.
   *
   * @throws NullPointerException if the last element is null; if this is a possibility, use {@link

                            Preamble

  The licenses for most software are designed to take away your
freedom to share and change it.  By contrast, the GNU General Public
Licenses are intended to guarantee your freedom to share and change
free software--to make sure the software is free for all its users.

  This license, the Lesser General Public License, applies to some

T1, T0, SEL1, RED2 // d1 d0 d1 d0 VPERM ZER, RED2, SEL2, RED1 // 0 d1 d0 0 VSQ RED1, RED2, RED2 // Guaranteed not to underflow VSLDB $8, T1, T0, T0 VSLDB $8, T2, T1, T1 VACCQ T0, RED1, CAR1 VAQ T0, RED1, T0 VACCCQ T1, RED2, CAR1, CAR2 VACQ T1, RED2, CAR1, T1 VAQ T2, CAR2, T2 // Second round VPERM T1, T0, SEL1, RED2 // d1 d0 d1 d0 VPERM ZER, RED2, SEL2, RED1 // 0 d1 d0 0 VSQ RED1, RED2, RED2 // Guaranteed not to underflow VSLDB $8, T1, T0, T0 VSLDB $8, T2, T1, T1 VACCQ T0, RED1, CAR1 VAQ T0, RED1, T0...

   *
   * Our tests for awaitUninterruptibly are written under the assumption that no spurious wakeups
   * occur except for those produced by awaitUninterruptibly itself in response to interrupts.
   *
   * This isn't guaranteed to work, so any further spurious wakeups would probably cause failures in
   * tests that assert that a certain amount of time has passed, that the method returned `false`,

 *
 * {@snippet :
 * // Do NOT do this
 * BaseEncoding hex = BaseEncoding.base16();
 * hex.lowerCase(); // does nothing!
 * return hex.decode("deadbeef"); // throws an IllegalArgumentException
 * }
 *
 * <p>It is guaranteed that {@code encoding.decode(encoding.encode(x))} is always equal to {@code
 * x}, but the reverse does not necessarily hold.
 *
 * <table>
 * <caption>Encodings</caption>
 * <tr>
 * <th>Encoding
 * <th>Alphabet