{"ast_node_type":"variable","tokens":[{"end":84,"kind":"keyword","start":0,"text":"let"}]}
                            let lit_span = self.mk_sp(start, self.pos + BytePos(1));
                        if self.cursor.as_str().starts_with('\'') {
                            let contents = self.str_from_to(start + BytePos(1), self.pos);