project property
Project tags the product this session built; Published is the author's decision to let anyone read the story (provenance.go). Both are pointers so "absent" and "cleared" are different requests.
Please note: This property should have been non-nullable! Since the specification file does not include a default value (using the "default:" property), however, the generated source code must fall back to having a nullable type. Consider adding a "default:" property in the specification file to hide this note.
Implementation
String? project;