{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"ast::ItemKind::ExternCrate(orig_name,"}]}
            ast::ItemKind::ExternCrate(orig_name, ident) => {
        match &item.kind {
                let (cb, ib) = self.head(visibility_qualified(&item.vis, "extern crate"));