static {
    LittleEndianBytes theGetter = JavaLittleEndianBytes.INSTANCE;
    try {
      /*
       * UnsafeByteArray uses Unsafe.getLong() in an unsupported way, which is known to cause
       * crashes on Android when running in 32-bit mode. For maximum safety, we shouldn't use
       * Unsafe.getLong() at all, but the performance benefit on x86_64 is too great to ignore, so

         */
        for (i = 0; i < strideLimit; i += stride) {
          long lw = theUnsafe.getLong(left, BYTE_ARRAY_BASE_OFFSET + (long) i);
          long rw = theUnsafe.getLong(right, BYTE_ARRAY_BASE_OFFSET + (long) i);
          if (lw != rw) {
            if (BIG_ENDIAN) {
              return UnsignedLongs.compare(lw, rw);
            }

    checkArgument(
        buffer.remaining() >= BYTES,
        "Expected at least Stats.BYTES = %s remaining , got %s",
        BYTES,
        buffer.remaining());
    return new Stats(
        buffer.getLong(),
        buffer.getDouble(),
        buffer.getDouble(),
        buffer.getDouble(),
        buffer.getDouble());
  }

  private static final long serialVersionUID = 0;

  /**
   * The number of milliseconds that tests are permitted for execution without being reported, when
   * profileTests is set.
   */
  private static final long profileThreshold = Long.getLong("jsr166.profileThreshold", 100);

  @Override
  protected void runTest() throws Throwable {
    if (profileTests) runTestProfiled();
    else super.runTest();
  }

  /**
   * The number of milliseconds that tests are permitted for execution without being reported, when
   * profileTests is set.
   */
  private static final long profileThreshold = Long.getLong("jsr166.profileThreshold", 100);

  protected void runTest() throws Throwable {
    if (profileTests) runTestProfiled();
    else super.runTest();
  }

  protected void runTestProfiled() throws Throwable {

    }
    return result;
  }

  /**
   * Returns the {@code long} value whose big-endian representation is stored in the first 8 bytes
   * of {@code bytes}; equivalent to {@code ByteBuffer.wrap(bytes).getLong()}. For example, the
   * input byte array {@code {0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19}} would yield the
   * {@code long} value {@code 0x1213141516171819L}.
   *

      addressAsLong = getEmbeddedIPv4ClientAddress(ip6).hashCode();
    } else {
      // Just extract the high 64 bits (assuming the rest is user-modifiable).
      addressAsLong = ByteBuffer.wrap(ip6.getAddress(), 0, 8).getLong();
    }

    // Many strategies for hashing are possible. This might suffice for now.
    int coercedHash = Hashing.murmur3_32_fixed().hashLong(addressAsLong).asInt();

/** Unit tests for {@link Futures#getDone}. */
@GwtCompatible
public class FuturesGetDoneTest extends TestCase {
  public void testSuccessful() throws ExecutionException {
    assertThat(getDone(immediateFuture("a"))).isEqualTo("a");
  }

  public void testSuccessfulNull() throws ExecutionException {
    assertThat(getDone(Futures.<@Nullable String>immediateFuture(null))).isEqualTo(null);
  }

/** Unit tests for {@link Futures#getDone}. */
@GwtCompatible
public class FuturesGetDoneTest extends TestCase {
  public void testSuccessful() throws ExecutionException {
    assertThat(getDone(immediateFuture("a"))).isEqualTo("a");
  }

  public void testSuccessfulNull() throws ExecutionException {
    assertThat(getDone(Futures.<@Nullable String>immediateFuture(null))).isEqualTo(null);
  }

    assertEquals(6, getDone(transformedFuture).intValue());

    // Repeated calls yield the same value even though the function's behavior
    // changes
    holder.value = 3;
    assertEquals(6, getDone(transformedFuture).intValue());
    assertEquals(7, adder.apply(4).intValue());

    // Once more, with feeling.
    holder.value = 4;
    assertEquals(6, getDone(transformedFuture).intValue());