code: protected SemanticSpace getSpace() {
          setupDependencyExtractor();
  
          int bound = argOptions.getIntOption('b', 10000);
          Transform transform = argOptions.getObjectOption(
                  'T', new NoTransform());
          DependencyPathAcceptor acceptor = argOptions.getObjectOption(
                  'a', new UniversalPathAcceptor());
          DependencyPathWeight weighter = argOptions.getObjectOption(
                  'w', new FlatPathWeight());
          int pathLength = argOptions.getIntOption('l', 5);
          return new OccurrenceCounter(
                  transform, bound, acceptor, weighter, pathLength);
      }
docs: {@inheritDoc}