code: public StylesheetRoot getStylesheetRoot()
    {
      if (m_stylesheetRoot != null){
          m_stylesheetRoot.setOptimizer(m_optimize);
          m_stylesheetRoot.setIncremental(m_incremental);
          m_stylesheetRoot.setSource_location(m_source_location);  		
      }
      return m_stylesheetRoot;
    }
docs: Return the stylesheet root that this handler is constructing.
  
  @return The root stylesheet of the stylesheets tree.