{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"self.psess.source_map().span_until_non_whitespace(lo.to(negated_token.span)),"}]}
                self.psess.source_map().span_until_non_whitespace(lo.to(negated_token.span)),
            sub: sub_diag(
            ),