{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"self.psess.source_map().span_until_non_whitespace(self.token.span);"}]}
                        self.psess.source_map().span_until_non_whitespace(self.token.span);
                    let nw_span =
                    etc_sp = etc_sp.to(nw_span);