class DecisionTreeClassificationTrainer extends DecisionTree<GiniImpurityMeasure> {

    public DecisionTreeClassificationTrainer withUseIndex(boolean useIdx) {
        this.usingIdx = useIdx;
        return this;
    }

    public  DecisionTreeClassificationTrainer(int maxDeep, double minImpurityDecrease);
    public  DecisionTreeClassificationTrainer();
    public  DecisionTreeClassificationTrainer(int maxDeep, double minImpurityDecrease,
        StepFunctionCompressor<GiniImpurityMeasure> compressor);

}