DML2QPN transformation does not support ProbabilityMassFunctions or BoxedProbabilityDensityFunctions as service demands

The DML2QPN transformation does not yet support ProbabilityMassFunctions or BoxedProbabilityDensityFunctions as service demands.

These functions need to be converted to a SimQPN-compliant representation as empirical distribution. See function scheduleServiceDemand(..) in edu.kit.ipd.descartes.solving.transformations.dmm2qpn/transformations/dmm2qpn.qvto and function QueueingPlace_addEmpiricallyDistributedResourceDemand(..) in edu.kit.ipd.descartes.solving.transformations.dmm2qpn/transformations/QPNHelper.qvto.