Inheritance: IDisposable
 public AtomicFileCounter(string counterFilePath)
 {
     CounterFile = new FileInfo(counterFilePath);
     var fileLockName = CounterFile.FullName + ".lock";
     _fileLock = new FileLock(fileLockName);
 }
 protected virtual void Dispose(bool disposing)
 {
     if (disposing)
     {
         if (_fileLock != null)
         {
             _fileLock.Dispose();
             _fileLock = null;
         }
     }
 }