}

    /**
     * Sets this request's `Cache-Control` header, replacing any cache control headers already
     * present. If [cacheControl] doesn't define any directives, this clears this request's
     * cache-control headers.
     */
    open fun cacheControl(cacheControl: CacheControl): Builder {
      val value = cacheControl.toString()
      return when {

}

@Override
public void close() throws IOException {
    try {
        super.close();
    } finally {
        // Don't release directory lease on close - it may be shared
        // Lease will be cleaned up by the lease manager
    }
}
```

### 5.2 Session Integration
```java
// In SmbSession.java
private DirectoryLeaseManager directoryLeaseManager;

public void initializeDirectoryLeasing() {

        // Authenticator's password should still be unchanged
        assertEquals("IndependentPass123!", auth.getPassword());
    }

    /**
     * Test secure wiping actually clears memory patterns
     */
    @Test
    @DisplayName("Test secure wipe uses multiple overwrite patterns")
    public void testSecureWipePatterns() {

                removeSessionKey(archives.get(i));
                removed++;
            }
        }

        if (removed > 0) {
            log.info("Cleaned up {} archived key versions", removed);
        }
    }

    private int extractVersion(String archivedKey) {
        try {
            String versionStr = archivedKey.substring(archivedKey.indexOf(".v") + 2);

// number c. The return value will be floating point type corresponding to
// the type of c.
func imag(c ComplexType) FloatType

// The clear built-in function clears maps and slices.
// For maps, clear deletes all entries, resulting in an empty map.
// For slices, clear sets all elements up to the length of the slice
// to the zero value of the respective element type. If the argument

        // Assert: open() ensures handle and closes it via try-with-resources
        verify(raf, times(1)).ensureOpen();
        verify(fh, times(1)).close();
    }

    @Test
    @DisplayName("close(): clears cache and closes handle; does not close shared SmbFile")
    void close_sharedFile_closesHandle_only() throws Exception {
        SmbRandomAccessFile raf = newInstance("rw", false, true, false);

        tagQueue = new LinkedList<>();
        labelList = new ArrayList<>();
        labelType = null;
    }

    /**
     * SAX event handler called at the end of document parsing.
     * Cleans up internal data structures used during parsing.
     *
     * @throws SAXException if a SAX error occurs during cleanup
     */
    @Override
    public void endDocument() throws SAXException {

     * the case of callAsync(), which waits for the callback's returned future to complete.
     */
    releaseResources(ALL_INPUT_FUTURES_PROCESSED);
  }

  /**
   * Clears fields that are no longer needed after this future has completed -- or at least all its
   * inputs have completed (more precisely, after {@link #handleAllCompleted()} has been called).

            thresholdAdjustmentTask.cancel(false);
        }
        if (scheduler != null) {
            scheduler.shutdown();
        }
        log.info("[{}] Circuit breaker closed and resources cleaned up", name);
    }

    private void startDynamicThresholdAdjustment() {
        thresholdAdjustmentTask = scheduler.scheduleWithFixedDelay(this::performDynamicThresholdAdjustment, 30, 30, TimeUnit.SECONDS);

                  // is undefined in shutdown hooks.
                  // This is because the logging code installs a shutdown hook of its
                  // own. See Cleaner class inside {@link LogManager}.
                  service.awaitTermination(terminationTimeout, timeUnit);
                } catch (InterruptedException ignored) {
                  // We're shutting down anyway, so just ignore.