code: public static RandomVariable getSwapAnnuity(Schedule schedule, DiscountCurveInterface discountCurve) {
  		double evaluationTime = 0.0;	// Consider only payment time > 0
  		return getSwapAnnuity(evaluationTime, schedule, discountCurve, null);
  	}
docs: Function to calculate an (idealized) swap annuity for a given schedule and discount curve.
  
  Note: This method will consider evaluationTime being 0, see {@link net.finmath.marketdata2.products.SwapAnnuity#getSwapAnnuity(double, Schedule, DiscountCurveInterface, AnalyticModel)}.
  
  @param schedule The schedule discretization, i.e., the period start and end dates. End dates are considered payment dates and start of the next period.
  @param discountCurve The discount curve.
  @return The swap annuity.