{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"Self::AscribeUserTypeProvePredicate(span)"}]}
            Self::AscribeUserTypeProvePredicate(span) => ConstraintCategory::Predicate(*span),
            Self::Subtype(type_trace) => type_trace.cause.to_constraint_category(),
            _ => ConstraintCategory::BoringNoLocation,