checkForConcurrentModification();
      checkRemove(indexToRemove >= 0);
      incrementExpectedModCount();
      CompactHashMap.this.remove(key(indexToRemove));
      currentIndex = adjustAfterRemove(currentIndex, indexToRemove);
      indexToRemove = -1;
    }

    void incrementExpectedModCount() {
      expectedMetadata += CompactHashing.MODIFICATION_COUNT_INCREMENT;
    }