class HashGeneratorMaker {

    public HashGeneratorMaker chiral() {
        this.stereoEncoders.add(new GeometricTetrahedralEncoderFactory());
        this.stereoEncoders.add(new GeometricDoubleBondEncoderFactory());
        this.stereoEncoders.add(new GeometricCumulativeDoubleBondFactory());
        this.stereoEncoders.add(new TetrahedralElementEncoderFactory());
        this.stereoEncoders.add(new DoubleBondElementEncoderFactory());
        return this;
    }

}