{"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"seen_fields.insert(ident,"}]}
                seen_fields.insert(ident, field.span);
            let field_type = if let Some((i, v_field)) = remaining_fields.remove(&ident) {
                self.write_field_index(field.hir_id, i);