code: private void processGroupData() throws IOException
     {
        DirectoryEntry dir = (DirectoryEntry) m_viewDir.getEntry("CGrouping");
        //FixedMeta fixedMeta = new FixedMeta(new DocumentInputStream(((DocumentEntry) dir.getEntry("FixedMeta"))), 9);
        FixedData fixedData = new FixedData(110, m_inputStreamFactory.getInstance(dir, "FixedData"));
        VarMeta varMeta = new VarMeta9(new DocumentInputStream(((DocumentEntry) dir.getEntry("VarMeta"))));
        Var2Data varData = new Var2Data(varMeta, new DocumentInputStream(((DocumentEntry) dir.getEntry("Var2Data"))));
  
        //      System.out.println(fixedMeta);
        //      System.out.println(fixedData);
        //      System.out.println(varMeta);
        //      System.out.println(varData);
  
        GroupReader reader = new GroupReader9();
        reader.process(m_file, fixedData, varData, m_fontBases);
     }
docs: Read group definitions.
  
  @todo Doesn't work correctly with MPP9 files saved by Propject 2007 and 2010
  @throws IOException