{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"self.cargo_cfgs(source_root).iter().partition_map(|s|"}]}
                        self.cargo_cfgs(source_root).iter().partition_map(|s| {
                    let (enabled, disabled): (Vec<_>, Vec<_>) =
                            s.strip_prefix("!").map_or(Either::Left(s), Either::Right)