{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"field.name.as_str().starts_with(|c:"}]}
                    field.name.as_str().starts_with(|c: char| c.is_ascii_digit())
                let is_positional = variant.fields.raw.first().is_some_and(|field| {
                });