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class SelectionPosition /NoDefaultCtors/ {
%TypeHeaderCode
#include "gromacs/selection/selection.h"
using namespace gmx;
%End

public:
//  e_index_t type();
//  const rvec& x();
//  const rvec& v();
//  const rvec& f();
    double mass();
    double charge();
    int atomCount();
//  ConstArrayRef<int> atomIndices();
    bool selected();
    int refId();
    int mappedId();
};

class Selection {
%TypeHeaderCode
#include "gromacs/selection/selection.h"
using namespace gmx;
%End

public:
    bool isValid();
    bool __eq__(const Selection&);
    bool __ne__(const Selection&);
    const char* name();
    const char* selectionText();
    bool isDynamic();
    bool hasOnlyAtoms();
    int atomCount();
//  ConstArrayRef<int> atomIndices();
    int posCount();
    SelectionPosition position(int);
//  ConstArrayRef<rvec> coordinates();
    bool hasVelocities();
//  ConstArrayRef<rvec> velocities();
    bool hasForces();
//  ConstArrayRef<rvec> forces();
//  ConstArrayRef<real> masses();
//  ConstArrayRef<real> charges();
//  ConstArrayRef<int> refIds();
//  ConstArrayRef<int> mappedIds();
    bool isCoveredFractionDynamic();
    double coveredFraction();
//  bool initCoveredFraction(e_coverfrac_t);
    void setEvaluateVelocities(bool);
    void setEvaluateForces(bool);
    void setOriginalId(int, int);
};