{"ast_node_type":"function","tokens":[{"end":51,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) fn read(self) -> tt::TopSubtree<S> {
impl<S: InternableSpan> Reader<'_, S> {
        let mut res: Vec<Option<(tt::Delimiter<S>, Vec<tt::TokenTree<S>>)>> =