docs: private DiscountCurve createDiscountCurve(String discountCurveName) {
  		DiscountCurve discountCurve	= model.getDiscountCurve(discountCurveName);
  		if(discountCurve == null) {
  			discountCurve = DiscountCurveInterpolation.createDiscountCurveFromDiscountFactors(discountCurveName, new double[] { 0.0 }, new double[] { 1.0 });
  			model = model.addCurves(discountCurve);
  		}
  
  		return discountCurve;
  	}