{"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"DelimSpan::from_single(attr_span),"}]}
            DelimSpan::from_single(attr_span),
        new_tts.push_tree(TokenTree::Delimited(
            DelimSpacing::new(Spacing::JointHidden, Spacing::JointHidden),