Later, the Doxygen code was rewritten by Dimitri van Heesch.

Entity and relation annotations:
id: 0
type: entity
value: text: the Doxygen code
labels: <Production>
id: 1
type: entity
value: text: Dimitri van Heesch
labels: <Person>
type: relation
to_id: 0
labels: Person:creates:Production
from_id: 1