Returns all names needed for the translation that are stored as
properties.
Those are all properties with keys "agwl-name", "switch-name" or
"workflow-name".
Searches for a property that stores the original iwir name of the
activity.
If it was translated from a iwir task/port then the original name of the
activity/port is stored as property with key "agwl-name".
Returns the top level activity of the workflow.
It generates a new sequence, moves the body of the workflow, global
ports, properties and constraints from the workflow to itself.