28#ifndef _G4VUSERBROWNIANACTION_HH
29#define _G4VUSERBROWNIANACTION_HH
virtual G4double GetDistanceToBoundary(const G4Track &)=0
G4VUserBrownianAction()=default
virtual void Transport(G4ThreeVector &, G4Track *pTrack=nullptr)=0
virtual ~G4VUserBrownianAction()=default