class IsotopeContainer {

    public void setFormula(IMolecularFormula formula) {
        forms.clear();
        forms.add(formula);
    }

    public  IsotopeContainer();
    public  IsotopeContainer(IMolecularFormula formula, double intensity);
    public  IsotopeContainer(double mass, double intensity);
    public  IsotopeContainer(IsotopeContainer container);

}