@BeforeExperiment
  void setUp() {
    // random integers will be generated in this range, then raised to the
    // power of (1/concentration) and floor()ed
    max = Ints.checkedCast((long) Math.pow(distinctKeys, concentration));

    cache =
        CacheBuilder.newBuilder()
            .concurrencyLevel(segments)
            .maximumSize(maximumSize)
            .build(

            // Not using File#lastModified() to avoid a Linux JDK8 milliseconds precision bug: JDK-8177809.
            long artifactLastModified =
                    Files.getLastModifiedTime(packagedArtifactFile.toPath()).toMillis();

            if (session.getProjectBuildingRequest().getBuildStartTime() != null) {
                long buildStartTime =
                        session.getProjectBuildingRequest().getBuildStartTime().getTime();

    @Override
    public boolean setCount(@ParametricNullness E element, int oldCount, int newCount) {
      throw new UnsupportedOperationException();
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

  /**
   * Returns an unmodifiable view of the specified sorted multiset. Query operations on the returned

    @Override
    public boolean setCount(@ParametricNullness E element, int oldCount, int newCount) {
      throw new UnsupportedOperationException();
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

  /**
   * Returns an unmodifiable view of the specified sorted multiset. Query operations on the returned

    //                                                                        ============

    private static OptionalEntity<AccessToken> getEntity(final CreateForm form, final String username, final long currentTime) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new AccessToken()).map(entity -> {
                entity.setCreatedBy(username);

        private Boolean explain;

        private Float minScore;

        private String preference;

        private String routing;

        private String searchType;

        private long timeoutInMillis = -1;

        private Boolean version;

        private Boolean seqNoAndPrimaryTerm = Boolean.TRUE;

        private int terminateAfter = 0;

            Long expiration = System.currentTimeMillis() + 10000L;
            echoResponse.setExpiration(expiration);

            assertEquals(expiration, echoResponse.getExpiration());
        }

        @Test
        @DisplayName("Should handle null expiration")
        void testNullExpiration() {
            Long expiration = 1000L;

        assertEquals("FFFF", Hexdump.toHexString(-1, 4));
        assertEquals("FF", Hexdump.toHexString(-1, 2));
    }

    @Test
    @DisplayName("Should convert long to hex string with specified size")
    void testToHexStringLong() {
        // Test zero
        assertEquals("0000000000000000", Hexdump.toHexString(0L, 16));
        assertEquals("00000000", Hexdump.toHexString(0L, 8));

  /** Current calls carried by this connection. */
  val calls = mutableListOf<Reference<RealCall>>()

  /** Timestamp when `allocations.size()` reached zero. Also assigned upon initial connection. */
  var idleAtNs = Long.MAX_VALUE

  /**
   * Returns true if this is an HTTP/2 connection. Such connections can be used in multiple HTTP
   * requests simultaneously.
   */
  internal val isMultiplexed: Boolean

    // CONTAINS_VALUE_RETRIES increases, though without locking it is theoretically possible.
    Segment<K, V, E, S>[] segments = this.segments;
    long last = -1L;
    for (int i = 0; i < CONTAINS_VALUE_RETRIES; i++) {
      long sum = 0L;
      for (Segment<K, V, E, S> segment : segments) {
        // ensure visibility of most recent completed write
        int unused = segment.count; // read-volatile