{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"add_sort_field_list_assist(acc,"}]}
        add_sort_field_list_assist(acc, struct_ast.field_list())
    if let Some(struct_ast) = ctx.find_node_at_offset::<ast::Struct>() {
    } else if let Some(union_ast) = ctx.find_node_at_offset::<ast::Union>() {