* href="https://github.com/google/guava/wiki/PrimitivesExplained">primitive utilities</a>.
 *
 * @author Kevin Bourrillion
 * @since 1.0
 */
@GwtCompatible
public final class Longs {
  private Longs() {}

  /**
   * The number of bytes required to represent a primitive {@code long} value.
   *
   * <p>Prefer {@link Long#BYTES} instead.
   */
  // The constants value gets inlined here.

    assertThat(Longs.lastIndexOf(ARRAY1, 2L)).isEqualTo(-1);
    assertThat(Longs.lastIndexOf(ARRAY234, 1L)).isEqualTo(-1);
    assertThat(Longs.lastIndexOf(new long[] {-1L}, -1L)).isEqualTo(0);
    assertThat(Longs.lastIndexOf(ARRAY234, 2L)).isEqualTo(0);
    assertThat(Longs.lastIndexOf(ARRAY234, 3L)).isEqualTo(1);
    assertThat(Longs.lastIndexOf(ARRAY234, 4L)).isEqualTo(2);

  // Java 2nd Edition Item 76: Write readObject methods defensively.
  private transient AtomicLongArray longs;

  /**
   * Creates a new {@code AtomicDoubleArray} of the given length, with all elements initially zero.
   *
   * @param length the length of the array
   */
  public AtomicDoubleArray(int length) {
    this.longs = new AtomicLongArray(length);
  }

  /**

      }
      return true;
    }

    private /* static */ long lowerEight(byte[] bytes) {
      return Longs.fromBytes(
          bytes[7], bytes[6], bytes[5], bytes[4], bytes[3], bytes[2], bytes[1], bytes[0]);
    }

    private /* static */ long upperEight(byte[] bytes) {
      return Longs.fromBytes(
          bytes[15], bytes[14], bytes[13], bytes[12], bytes[11], bytes[10], bytes[9], bytes[8]);
    }
  };

    }
  }

  /**
   * Attempts to remove a single frame from a queue and send it. This prefers to write urgent pongs
   * before less urgent messages and close frames. For example, it's possible that a caller will
   * enqueue messages followed by pongs, but this sends pongs followed by messages. Pongs are always
   * written in the order they were enqueued.
   *

  public static final long MAX_VALUE = -1L; // Equivalent to 2^64 - 1

  /**
   * A (self-inverse) bijection which converts the ordering on unsigned longs to the ordering on
   * longs, that is, {@code a <= b} as unsigned longs if and only if {@code flip(a) <= flip(b)} as
   * signed longs.
   */
  private static long flip(long a) {
    return a ^ Long.MIN_VALUE;
  }

  /**

   * <p>This method always returns the same object. That object is serializable; deserializing it
   * results in the same object too.
   *
   * @since 14.0 (since 10.0 as {@code DiscreteDomains.longs()})
   */
  public static DiscreteDomain<Long> longs() {
    return LongDomain.INSTANCE;
  }

  private static final class LongDomain extends DiscreteDomain<Long> implements Serializable {

      SocketTimeoutException::class.java,
      "sent ping but didn't receive pong within 500ms (after 0 successful ping/pongs)",
    )
  }

  @Test
  fun unexpectedPongsDoNotInterfereWithFailureDetection() {
    client.initWebSocket(random, pingIntervalMillis = 500)

    // At 0ms the server sends 3 unexpected pongs. The client accepts 'em and ignores em.
    server.webSocket!!.pong("pong 1".encodeUtf8())
    client.processNextFrame()

   * <p>This method always returns the same object. That object is serializable; deserializing it
   * results in the same object too.
   *
   * @since 14.0 (since 10.0 as {@code DiscreteDomains.longs()})
   */
  public static DiscreteDomain<Long> longs() {
    return LongDomain.INSTANCE;
  }

  private static final class LongDomain extends DiscreteDomain<Long> implements Serializable {

import static java.lang.invoke.MethodHandles.byteArrayViewVarHandle;
import static java.nio.ByteOrder.LITTLE_ENDIAN;

import com.google.common.annotations.VisibleForTesting;
import com.google.common.primitives.Longs;
import com.google.j2objc.annotations.J2ObjCIncompatible;
import java.lang.invoke.VarHandle;
import java.lang.reflect.Field;
import java.nio.ByteOrder;
import java.security.AccessController;