{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"NameRefClass::Definition(def"}]}
                NameRefClass::Definition(def @ Definition::Function(_), _) => Some(def),
            ast::NameLike::NameRef(name_ref) => match NameRefClass::classify(sema, &name_ref)? {
                _ => None,