*
     * As a guide, all critical volatile reads and writes to the count field are marked in code
     * comments.
     */

    @Weak final MapMakerInternalMap<K, V, E, S> map;

    /**
     * The number of live elements in this segment's region. This does not include unset elements
     * which are awaiting cleanup.
     */
    volatile int count;

    /**

  //
  // In the constructor of AbstractCatchingFuture, the delegate future is assigned to a field
  // 'inputFuture'. That field is non-final and non-volatile. There are 2 places where the
  // 'inputFuture' field is read and where we will have to consider visibility of the write
  // operation in the constructor.
  //

    /** A thread-local variable to hold the directory context. */
    protected ThreadLocal<DirContextHolder> contextLocal = new ThreadLocal<>();

    /** A flag to indicate if the LDAP connection is bound. */
    protected volatile boolean isBind = false;

    /** The Fess configuration. */
    protected FessConfig fessConfig;

    /**
     * Default constructor.
     */
    public LdapManager() {
        // do nothing
    }