return map.getOrDefault(key, 0L);
  }

  /**
   * Increments by one the value currently associated with {@code key}, and returns the new value.
   */
  @CanIgnoreReturnValue
  public long incrementAndGet(K key) {
    return addAndGet(key, 1);
  }

  /**
   * Decrements by one the value currently associated with {@code key}, and returns the new value.
   */
  @CanIgnoreReturnValue

 */
class TaskQueue internal constructor(
  internal val taskRunner: TaskRunner,
  internal val name: String,
) {
  internal var shutdown = false

  /** This queue's currently-executing task, or null if none is currently executing. */
  internal var activeTask: Task? = null

  /** Scheduled tasks ordered by [Task.nextExecuteNanoTime]. */
  internal val futureTasks = mutableListOf<Task>()

    int NT_STATUS_SHARING_VIOLATION = 0xC0000043;
    /** The file is pending deletion */
    int NT_STATUS_DELETE_PENDING = 0xC0000056;
    /** There are currently no logon servers available to service the logon request */
    int NT_STATUS_NO_LOGON_SERVERS = 0xC000005e;
    /** The specified user already exists */
    int NT_STATUS_USER_EXISTS = 0xC0000063;

   * the queue is currently full.
   *
   * @since 16.0
   */
  public int remainingCapacity() {
    return maxSize - size();
  }

  @Override
  protected Queue<E> delegate() {
    return delegate;
  }

  /**
   * Adds the given element to this queue. If the queue is currently full, the element at the head
   * of the queue is evicted to make room.
   *

    /**
     * Retrieves web crawling configurations with various filtering options.
     *
     * @param withLabelType whether to include label type information (currently not used in implementation)
     * @param withRoleType whether to include role type information (currently not used in implementation)
     * @param available whether to filter only available configurations

   * currently contains a value for {@code key}, and {@link CacheLoader#load} otherwise. Loading is
   * asynchronous only if {@link CacheLoader#reload} was overridden with an asynchronous
   * implementation.
   *
   * <p>Returns without doing anything if another thread is currently loading the value for {@code

    int NT_STATUS_SHARING_VIOLATION = 0xC0000043;
    /** The file is pending deletion */
    int NT_STATUS_DELETE_PENDING = 0xC0000056;
    /** There are currently no logon servers available to service the logon request */
    int NT_STATUS_NO_LOGON_SERVERS = 0xC000005e;
    /** The specified user already exists */
    int NT_STATUS_USER_EXISTS = 0xC0000063;

    protected ThreadUtil() {
    }

    /**
     * Causes the currently executing thread to sleep (temporarily cease execution) for the specified number of milliseconds.
     *
     * @param millis
     *            the length of time to sleep in milliseconds
     * @throws InterruptedRuntimeException
     *             if any thread has interrupted the current thread.
     */
    public static void sleep(final long millis) {

  internal fun finished(call: RealCall) {
    promoteAndExecute(finishedCall = call)
  }

  /** Returns a snapshot of the calls currently awaiting execution. */
  @Synchronized
  fun queuedCalls(): List<Call> = readyAsyncCalls.map { it.call }.unmodifiable()

  /** Returns a snapshot of the calls currently being executed. */
  @Synchronized
  fun runningCalls(): List<Call> = (runningSyncCalls + runningAsyncCalls.map { it.call }).unmodifiable()

    /**
     * Replaces the host with the given FQDN if it is currently unqualified
     *
     * @param fqdn the fully qualified domain name to use
     */
    void fixupHost(String fqdn);

    /**
     * Possibly appends the given domain name to the host name if it is currently unqualified
     *
     * @param domain the domain name to append
     */