{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"ast::Item::Struct(it)"}]}
                ast::Item::Struct(it) => Some(ast::Adt::Struct(it)),
            spec_attr.syntax().ancestors().find_map(ast::Item::cast).and_then(|it| match it {
                ast::Item::Enum(it) => Some(ast::Adt::Enum(it)),