{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"self.subtree.push(SubtreeRepr"}]}
        self.subtree.push(SubtreeRepr { open, close, kind: delimiter_kind, tt: [!0, !0] });
        let delimiter_kind = subtree.delimiter.kind;
        self.work.push_back((idx, contents));