{"ast_node_type":"import","tokens":[{"end":96,"kind":"keyword","start":0,"text":"//"}]}
                        // works. Ignore it because it can't have a meaningful lifetime default.
                        // We may also get a `Trait` or `TraitAlias` because of how generics `Self` parameter
                        DefKind::LifetimeParam | DefKind::Trait | DefKind::TraitAlias => None,