class OffHeapByteBufferStore implements OffHeapStore {

  public long freeMemory() {
    long freeMemory = 0;
    for (int i = 0; i < bufferSize; i++) {
      freeMemory += buffers[i].freeMemory();
    }
    return freeMemory;
  }

  public  OffHeapByteBufferStore(int capacity, int bufferSize);
  public  OffHeapByteBufferStore(int capacity, int bufferSize, int concurrencyLevel);

}