{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"span_err(value.span().unwrap(),"}]}
                        span_err(value.span().unwrap(), "invalid applicability").emit();
                    let value = Applicability::from_str(&value.value()).unwrap_or_else(|()| {
                        has_errors = true;