#ifndef BOND_GROUP_H
#define BOND_GROUP_H

#ifndef OBJECT_H
#include "Object.h"
#endif

namespace MM
{
class Bond;

class Bond_group : public Object
{
public:
    virtual int             bond_count () const =0;
    virtual Bond &          bond (int i) =0;
    virtual const Bond &    bond (int i) const =0;
};

}//MM

#endif //BOND_GROUP_H
