* ForwardingNavigableMap#descendingMap} to forward to this implementation or a subclass thereof.
   *
   * <p>In particular, this map iterates over entries with repeated calls to {@link
   * NavigableMap#lowerEntry}. If a more efficient means of iteration is available, you may wish to
   * override the {@code entryIterator()} method of this class.
   *
   * @since 12.0
   */
  protected class StandardDescendingMap extends Maps.DescendingMap<K, V> {

   * ForwardingNavigableMap#descendingMap} to forward to this implementation or a subclass thereof.
   *
   * <p>In particular, this map iterates over entries with repeated calls to {@link
   * NavigableMap#lowerEntry}. If a more efficient means of iteration is available, you may wish to
   * override the {@code entryIterator()} method of this class.
   *
   * @since 12.0
   */
  protected class StandardDescendingMap extends Maps.DescendingMap<K, V> {

   * modeled by "storedPermits" variable. This variable is zero when there is no underutilization,
   * and it can grow up to maxStoredPermits, for sufficiently large underutilization. So, the
   * requested permits, by an invocation acquire(permits), are served from:
   *
   * - stored permits (if available)
   *
   * - fresh permits (for any remaining permits)
   *

    reverse(array, fromIndex, toIndex);
  }

  /**
   * Reverses the elements of {@code array}. This is equivalent to {@code
   * Collections.reverse(Doubles.asList(array))}, but is likely to be more efficient.
   *
   * @since 23.1
   */
  public static void reverse(double[] array) {
    checkNotNull(array);
    reverse(array, 0, array.length);
  }

  /**

      }
    }
  }

  /** Returns the {@code Class} object of arrays with {@code componentType}. */
  static Class<?> getArrayClass(Class<?> componentType) {
    // TODO(user): This is not the most efficient way to handle generic
    // arrays, but is there another way to extract the array class in a
    // non-hacky way (i.e. using String value class names- "[L...")?
    return Array.newInstance(componentType, 0).getClass();

    return file(new File(first), more);
  }

  /** Returns a {@code File} object for the given path parts. */
  private static File file(File first, String... more) {
    // not very efficient, but should definitely be correct
    File file = first;
    for (String name : more) {
      file = new File(file, name);
    }
    return file;
  }

```java
public class RdmaSecurityManager {
    public void validateMemoryAccess(RdmaMemoryRegion region, RdmaAccess requestedAccess) {
        if (!region.hasAccess(requestedAccess)) {
            throw new SecurityException("Insufficient RDMA memory access rights");
        }
    }
    
    public void validateRemoteAccess(long remoteAddress, int length, int remoteKey) {
        // Validate that remote memory access is authorized

   */
  open fun canceled(call: Call) {
  }

  /**
   * Invoked when a call fails due to cache rules.
   * For example, we're forbidden from using the network and the cache is insufficient
   */
  open fun satisfactionFailure(
    call: Call,
    response: Response,
  ) {
  }

  /**
   * Invoked when a result is served from the cache. The Response provided is the top level

 * Ordering#leastOf(Iterable, int)}, which provides the same implementation with an interface
 * tailored to that use case.
 *
 * <p>This uses the same efficient implementation as {@link Ordering#leastOf(Iterable, int)},
 * offering expected O(n + k log k) performance (worst case O(n log k)) for n calls to {@link

 *       (given by {@link #bits}). For example, {@link Hashing#sha1} produces a 160-bit number,
 *       while {@link Hashing#murmur3_32()} yields only 32 bits. Because a {@code long} value is
 *       clearly insufficient to hold all hash code values, this API represents a hash code as an
 *       instance of {@link HashCode}.
 *   <li><b>pure function:</b> the value produced must depend only on the input bytes, in the order