31 #ifndef B4DetectorConstruction_h 
   32 #define B4DetectorConstruction_h 1 
   72     void DefineMaterials();
 
const G4VPhysicalVolume * GetGapPV() const 
 
const G4VPhysicalVolume * GetAbsorberPV() const 
 
virtual void ConstructSDandField()
 
virtual G4VPhysicalVolume * Construct()
 
virtual ~B4DetectorConstruction()