#include "MCAssociations.h"
#include "nusimdata/SimulationBase/MCTruth.h"
#include "lardataobj/AnalysisBase/BackTrackerMatchingData.h"
#include "lardataobj/RecoBase/Hit.h"
#include "canvas/Persistency/Common/FindMany.h"
#include "TVector3.h"
#include <algorithm>