gplx/mediawiki/extensions/SemanticMediaWiki/docs/architecture/extending.declarationexaminer.md

To broaden consistency checks on the property page and provide more user guidance in case of some input error such as:

src/Property/DeclarationExaminer

• Extending one of the existing DeclarationExaminer or
• Adding a new class that implements the interface which is then registered with the DeclarationExaminerFactory is sufficient to get called when viewing a property page.