{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"if"}]}
            if *sym == sym::true_ || *sym == sym::false_ {
            let (CfgAtom::Flag(sym) | CfgAtom::KeyValue { key: sym, .. }) = &atom;
                tracing::error!("cannot remove `true` or `false` from cfg");