private enum TimeoutsToUse {
    ANY(Timeout.values()),
    PAST(Timeout.MIN, Timeout.MINUS_SMALL, Timeout.ZERO),
    FUTURE(Timeout.SMALL, Timeout.MAX),
    SMALL(Timeout.SMALL),
    FINITE(Timeout.MIN, Timeout.MINUS_SMALL, Timeout.ZERO, Timeout.SMALL),
    INFINITE(Timeout.LARGE, Timeout.MAX);

    final ImmutableList<Timeout> timeouts;

    TimeoutsToUse(Timeout... timeouts) {

        } else if (usage < 0) {
            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }

    /**
     * Emergency cleanup method called during finalization to prevent memory leaks
     */
    private void emergencyCleanup() {
        try {
            // Force usage count to zero to trigger cleanup
            this.usageCount.set(0);

            synchronized (this) {

        high = mid - 1;
      } else if (cmp > 0) {
        low = mid + 1;
      } else {
        return mid;
      }
    }
    return -1;
  }

  /**
   * Returns a negative integer, zero, or a positive integer as the specified label is
   * lexicographically less than, equal to, or greater than the label in the string pool.
   */
  private int compareLabel(String label, int offset) {

    throw formatRuntimeException(
        "Predicate did not become true within %d second timeout", timeoutSeconds);
  }

  /**
   * Waits until the given latch has {@linkplain CountDownLatch#countDown counted down} to zero,
   * invoking the garbage collector as necessary to try to ensure that this will happen.
   *
   * @throws RuntimeException if timed out or interrupted while waiting
   */
  @SuppressWarnings("removal") // b/487687332

            // When & Then
            assertEquals(capacity, allocInfo.getCapacity());
            assertEquals(free, allocInfo.getFree());
        }

        @Test
        @DisplayName("Should handle zero values")
        void shouldHandleZeroValues() {
            // Given
            TestAllocInfo allocInfo = new TestAllocInfo(0L, 0L);

            // When & Then

        assertTrue(rateLimiter.checkAttempt("user1", "192.168.1.9"), "Should still track account");
    }

    @Test
    public void testStatistics() throws Exception {
        // Initially stats should be zero
        AuthenticationRateLimiter.RateLimiterStats stats = rateLimiter.getStats();
        assertEquals(0, stats.getTotalBlocked());
        assertEquals(0, stats.getAccountsLocked());

   */
  internal var allocationLimit = 1
    private set

  /** 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.
   */

}

// writeRawHeader writes the value of blk, regardless of its value.
// It sets up the Writer such that it can accept a file of the given size.
// If the flag is a special header-only flag, then the size is treated as zero.
func (tw *Writer) writeRawHeader(blk *block, size int64, flag byte) error {
	if err := tw.Flush(); err != nil {
		return err
	}
	if _, err := tw.w.Write(blk[:]); err != nil {
		return err
	}

        assertEquals((byte) 0xFD, aad[3]);

        // Verify signature is zeroed out (16 bytes of zeros)
        for (int i = 4; i < 20; i++) {
            assertEquals(0, aad[i], "Signature bytes should be zero in AAD");
        }

        // Verify nonce matches at position 20
        for (int i = 0; i < 16; i++) {
            assertEquals(testNonce[i], aad[20 + i], "Nonce should match at position " + (20 + i));
        }

            assertNotNull(exception.getMessage());
            assertTrue(exception.getMessage().contains("Expected structureSize = 4"));
        }

        @Test
        @DisplayName("Should handle zero structure size")
        void testZeroStructureSize() {
            // Given
            byte[] buffer = new byte[10];
            SMBUtil.writeInt2(0, buffer, 0);

            // When & Then