{"ast_node_type":"variable","tokens":[{"end":73,"kind":"keyword","start":0,"text":"let"}]}
            let censor = if let MacroCallKind::Derive { .. } = loc.kind {
        | MacroCallKind::Attr { invoc_attr_index: index, .. } => {
                censor_derive_input(index, &ast::Adt::cast(speculative_args.clone())?)