text: 
  #ifndef ValCrvDigi_HH_
  #define ValCrvDigi_HH_
  
  #include "art/Framework/Principal/Event.h"
  #include "art_root_io/TFileDirectory.h"
  #include "RecoDataProducts/inc/CrvDigiCollection.hh"
  #include "TH1D.h"
  #include <string>
  
  namespace mu2e {
  
    class ValCrvDigi {
  
    public:
      ValCrvDigi(std::string name):_name(name){}
      int declare( art::TFileDirectory tfs);
      int fill(const CrvDigiCollection & coll, art::Event const& event);
      std::string& name() { return _name; }
  
    private:
      std::string _name;
      
      TH1D* _hVer;
      TH1D* _hN;
      TH1D* _hN2;
      TH1D* _hI;
      TH1D* _hIS;
      TH1D* _ht;
      TH1D* _hA;
    };
  }
  
  
  #endif
  