{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"//"}]}
                    // do not complain about the same unclosed delimiter multiple times
                if self.diag_info.last_unclosed_found_span != Some(self.token.span) {
                    self.diag_info.last_unclosed_found_span = Some(self.token.span);