Added a couple of methods, a concrete and an abstract one, in the same class
Added a couple of methods, a concrete and an abstract one, in the same class

davidmoten/UMLGraph,davidmoten/UMLGraph,Edd123/UMLGraph,dspinellis/UMLGraph,dspinellis/UMLGraph,dspinellis/UMLGraph,Edd123/UMLGraph,davidmoten/UMLGraph,Edd123/UMLGraph