def base_type
      n = NodeCache.find(attributes["type"])
      n.is_a?(Type) ? n.base_type : n
    end
def base_type
      n = NodeCache.find(attributes["type"])
      n.is_a?(Type) ? n.base_type : n
    end
Get the base type without any qualifiers. E.g, if you've
 got the CvQualifiedType "const my_space::MyClass&, this
 will return the Node for "my_space::MyClass"

 returns: Node related to the base C++ construct of this type