class ForceFieldConfigurator {

    public void setMMFF94Parameters(IChemObjectBuilder builder) throws Exception {
        if (mmff94 == null) mmff94 = new MMFF94BasedParameterSetReader();
        mmff94.readParameterSets(builder);
        parameterSet = mmff94.getParamterSet();
        atomTypes = mmff94.getAtomTypes();
    }

    public  ForceFieldConfigurator();

}