* 0} and {@code 2^64 - 1} inclusive.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated; use the
   * equivalent {@link Long#compareUnsigned(long, long)} method instead.
   *
   * @param a the first unsigned {@code long} to compare
   * @param b the second unsigned {@code long} to compare

      byte[] bytes, int offset, long seedA, long seedB, long[] output) {
    long part1 = load64(bytes, offset);
    long part2 = load64(bytes, offset + 8);
    long part3 = load64(bytes, offset + 16);
    long part4 = load64(bytes, offset + 24);

    seedA += part1;
    seedB = rotateRight(seedB + seedA + part4, 51);
    long c = seedA;
    seedA += part2;
    seedA += part3;

  }

  public void testAddAndGet() {
    AtomicLongMap<String> map = AtomicLongMap.create();
    String key = "key";
    long addend = random.nextInt(MAX_ADDEND);
    for (int i = 0; i < ITERATIONS; i++) {
      long before = map.get(key);
      long result = map.addAndGet(key, addend);
      long after = map.get(key);
      assertEquals(before + addend, after);
      assertEquals(after, result);
      addend = after;
    }

  private static final int ARRAY_MASK = 0x0ffff;
  private static final Random randomSource = new Random(314159265358979L);
  private static final long[] longs = new long[ARRAY_SIZE];
  private static final long[] divisors = new long[ARRAY_SIZE];
  private static final String[] decimalStrings = new String[ARRAY_SIZE];
  private static final String[] binaryStrings = new String[ARRAY_SIZE];

        }
    }

    public String formatProgress(long progressedSize, long size) {
        StringBuilder sb = new StringBuilder();
        formatProgress(sb, progressedSize, size);
        return sb.toString();
    }

    public void formatProgress(StringBuilder builder, long progressedSize, long size) {
        if (progressedSize < 0L) {

    static class TestAllocInfo implements AllocInfo {
        private final long capacity;
        private final long free;
        private byte fileSystemInformationClass = FS_SIZE_INFO;

        TestAllocInfo(long capacity, long free) {
            this.capacity = capacity;
            this.free = free;
        }

        TestAllocInfo(long capacity, long free, byte fileSystemInformationClass) {
            this.capacity = capacity;

    protected void process(ByteBuffer bb) {
      long k1 = bb.getLong();
      long k2 = bb.getLong();
      bmix64(k1, k2);
      length += CHUNK_SIZE;
    }

    private void bmix64(long k1, long k2) {
      h1 ^= mixK1(k1);

      h1 = Long.rotateLeft(h1, 27);
      h1 += h2;
      h1 = h1 * 5 + 0x52dce729;

      h2 ^= mixK2(k2);

      h2 = Long.rotateLeft(h2, 31);
      h2 += h1;

    return new ImmutableLongArray(new long[] {e0, e1, e2, e3});
  }

  /** Returns an immutable array containing the given values, in order. */
  public static ImmutableLongArray of(long e0, long e1, long e2, long e3, long e4) {
    return new ImmutableLongArray(new long[] {e0, e1, e2, e3, e4});
  }

  /** Returns an immutable array containing the given values, in order. */

      Long[] suffix = {86L, 99L};
      Long[] all = concat(concat(prefix, elements), suffix);
      return makeArray(all).subArray(2, elements.length + 2).asList();
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // used only from suite
  @AndroidIncompatible
  private static Long[] concat(Long[] a, Long[] b) {
    return ObjectArrays.concat(a, b, Long.class);
  }

  @J2ktIncompatible

     */
    public static long[] toPlainArray(AtomicLongArray atomicLongArray) {
      long[] array = new long[atomicLongArray.length()];
      for (int i = 0; i < array.length; ++i) {
        array[i] = atomicLongArray.get(i);
      }
      return array;
    }

    /** Number of bits */
    long bitSize() {
      return (long) data.length() * Long.SIZE;
    }

    /**