FlowReturnNode rnode = (FlowReturnNode) originalSrcNode;
Set<NTuple<Descriptor>> rtupleSetFromRNode = rnode.getReturnTupleSet();
Set<NTuple<Descriptor>> rtupleSet = getReturnTupleSet(rtupleSetFromRNode);
FlowReturnNode rnode = (FlowReturnNode) originalSrcNode;
Set<NTuple<Descriptor>> rtupleSetFromRNode = rnode.getReturnTupleSet();
Set<NTuple<Descriptor>> rtupleSet = getReturnTupleSet(rtupleSetFromRNode);