text: 
  #include <QMainWindow>
  #include <QPointer>
  #include <QComboBox>
  #include <QStringList>
  
  #include "pqPipelineModel.h"
  #include "pqPipelineBrowserWidget.h"
  #include "vtkObject.h"
  
  class pqServer;
  
  class MainPipelineWindow : public QMainWindow
  {
    Q_OBJECT
  public:
    MainPipelineWindow();
    void createPipelineWithAnnotation(pqServer* server);
  
  protected:
    QStringList                       FilterNames;
    QPointer<QComboBox>               FilterSelector;
    QPointer<pqPipelineBrowserWidget> PipelineWidget;
  
  public slots:
    void processTest();
    void updateSelectedFilter(int);
  
  };
  