code: private double convertMaturity(int maturityInMonths) {
  		Schedule schedule = fixMetaSchedule.generateSchedule(referenceDate, maturityInMonths, 12);
  		return schedule.getFixing(0);
  	}
docs: Convert maturity given as offset in months to year fraction.
  
  @param maturityInMonths The maturity as offset in months.
  @return The maturity as year fraction.