{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"Some(tt::TokenTree::Leaf(tt::Leaf::Literal(tt::Literal"}]}
            Some(tt::TokenTree::Leaf(tt::Leaf::Literal(tt::Literal {
        let (text, span) = match self.cursor.token_tree() {
                symbol: text,