} finally {
        postReadCleanup();
      }
    }

    boolean containsKey(Object key, int hash) {
      try {
        if (count != 0) { // read-volatile
          E e = getLiveEntry(key, hash);
          return e != null && e.getValue() != null;
        }

        return false;
      } finally {
        postReadCleanup();
      }
    }

    /**