When rerouting an edge, this is the first method to
be called by SelectionRerouteEdge, in order to determine
whether the graphmodel will allow the change.
A critic to detect when a class can never have more than one instance (of
itself of any subclasses), and thus whether it is suitable for declaration
as a Singleton (with stereotype «Singleton».
Examine the given Object and Designer and, if
appropriate, produce one or more ToDoItem's and add them to the
offending design material's and the Designer's ToDoList.
A critic to detect when in a deployment-diagram the supplier or the
client of a dependency is a mobject and inside a figComponent and
the other end is a mobject and inside a figComponentInstance
A critic to detect when in a deployment-diagram
the FigObject of the first MLinkEnd is inside a FigComponent
and the FigObject of the other MLinkEnd is inside a FigComponentInstance