#include "gromacs/utility/arrayref.h"
-struct gpp_atomtype;
+class PreprocessingAtomTypes;
struct gmx_moltype_t;
struct t_atoms;
struct InteractionTypeParameters;
-int set_vsites(bool bVerbose, t_atoms *atoms, gpp_atomtype *atype,
+int set_vsites(bool bVerbose, t_atoms *atoms, PreprocessingAtomTypes *atype,
gmx::ArrayRef<InteractionTypeParameters> plist);
/* set parameters for virtual sites, return number of virtual sites */