Set a new target endpoint for this connection When execute() is invoked,
the target endpoint of the connection will be attached to the supplied
Shape instance.
Sets the type of the connection : aggregation, association or composition
The corresponding decoration (nothing or a rhombus) is set in a certain
distance.
Creates two hidden packages: One for primitive types (e.g. int, boolean)
which are loaded from the UML2 library, and another one for temporary
unresolved types.