Inheritance: DescriptorNodeBase, IMappingsConnectable, IFlagItem
 public DescriptorNodeViewModel(DescriptorNode graphItemObject, Invert.Core.GraphDesigner.DiagramViewModel diagramViewModel) :
     base(graphItemObject, diagramViewModel)
 {
 }
 public DescriptorNodeViewModel(DescriptorNode graphItemObject, Invert.Core.GraphDesigner.DiagramViewModel diagramViewModel) : 
         base(graphItemObject, diagramViewModel) {
 }