2 #ifndef ThePEG_InterfaceBase_FH
3 #define ThePEG_InterfaceBase_FH
5 // This is the forward declaration of the InterfaceBase and
6 // RefInterfaceBase classes.
9 #include "ThePEG/Config/ThePEG.h"
15 class RefInterfaceBase;
19 #endif /* ThePEG_InterfaceBase_FH */