{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"None"}]}
                None => panic!("max_variant_size {max_variant_size} > {overall_size} overall_size"),
            match overall_size.checked_sub(max_variant_size) {
                Some(diff @ 1..) => println!("print-type-size {indent}end padding: {diff} bytes"),