* Get total number of regions allocated
     *
     * @return total allocated regions
     */
    public long getTotalAllocated() {
        return totalAllocated.get();
    }

    /**
     * Get total number of regions released
     *
     * @return total released regions
     */
    public long getTotalReleased() {
        return totalReleased.get();
    }

    /**

    }

    @Test
    public void testStateTransitionMetrics() throws Exception {
        long initialTime = circuitBreaker.getTimeSinceLastStateChange();
        assertTrue(initialTime >= 0, "Should have initial timestamp");

        // Trip circuit
        circuitBreaker.trip();
        Thread.sleep(100);

        long afterTripTime = circuitBreaker.getTimeSinceLastStateChange();

    assertThat(identity.apply("foo")).isSameInstanceAs("foo");
  }

  public void testIdentity_notSame() {
    Function<Long, Long> identity = Functions.identity();
    assertThat(identity.apply(new Long(135135L))).isNotSameInstanceAs(new Long(135135L));
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testIdentitySerializable() {

            }

            @Override
            public void setDateHeader(String name, long date) {
            }

            @Override
            public void addDateHeader(String name, long date) {
            }

            @Override
            public void setHeader(String name, String value) {

    }

    // Basic setter tests
    @Test
    public void test_setCommandTimeout() throws Exception {
        final long timeout = 5000L;
        generator.setCommandTimeout(timeout);
        assertTrue(true);
    }

    @Test
    public void test_setCommandDestroyTimeout() throws Exception {
        final long timeout = 2000L;
        generator.setCommandDestroyTimeout(timeout);
        assertTrue(true);
    }

    @Test

   * Returns a hash function implementing the <a href="https://131002.net/siphash/">64-bit
   * SipHash-2-4 algorithm</a> using the given seed.
   *
   * @since 15.0
   */
  public static HashFunction sipHash24(long k0, long k1) {
    return new SipHashFunction(2, 4, k0, k1);
  }

  /**
   * Returns a hash function implementing the MD5 hash algorithm (128 hash bits).
   *

        String[][] readings = { { "test" } };

        SuggestItem item =
                new SuggestItem(text, readings, null, Long.MAX_VALUE, Long.MAX_VALUE, 1.0f, null, null, null, SuggestItem.Kind.QUERY);

        assertEquals(Long.MAX_VALUE, item.getDocFreq());
        assertEquals(Long.MAX_VALUE, item.getQueryFreq());
    }

    @Test
    public void test_negativeFrequencies() {
        String[] text = { "test" };

  }

  @CanIgnoreReturnValue
  static long checkNonNegative(long value) {
    checkArgument(value >= 0, "Not true that %s is non-negative.", value);
    return value;
  }

  @CanIgnoreReturnValue
  static int checkPositive(int value) {
    checkArgument(value > 0, "Not true that %s is positive.", value);
    return value;
  }

  @CanIgnoreReturnValue
  static long checkPositive(long value) {

        int securityMode;
        int security;
        boolean encryptedPasswords;
        boolean signaturesEnabled;
        boolean signaturesRequired;
        int maxNumberVcs;
        int maxRawSize;
        long serverTime;
        int serverTimeZone;
        int encryptionKeyLength;
        byte[] encryptionKey;
        byte[] guid;
    }

    InetAddress localAddr;
    int localPort;
    UniAddress address;

    /** Session ID for secure key management */
    private String sessionId = null;
    /** Time-to-live for cached authentication in milliseconds */
    private long authenticationTTL = 3600000L; // 1 hour default
    /** Timestamp when the authentication was created */
    private long authenticationTimestamp = System.currentTimeMillis();
    /** Flag to track if this authenticator has been closed */
    private volatile boolean closed = false;