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#ifndef G4DNAWATEREXCITATIONSTRUCTURE_HH
#define G4DNAWATEREXCITATIONSTRUCTURE_HH 1
 
#include "globals.hh"
#include <vector>

 
class G4DNAWaterExcitationStructure
{
public:
  
  G4DNAWaterExcitationStructure();
  
  virtual ~G4DNAWaterExcitationStructure();
  
  G4double ExcitationEnergy(G4int level);

  G4int NumberOfLevels() { return nLevels; }
  
  // Copy constructor and assignment operator to be added here
    
private:
   
 // Number of excitation levels of the water molecule
 G4int nLevels;

  std::vector<G4double> energyConstant;
  
};

#endif