{"ast_node_type":"variable","tokens":[{"end":83,"kind":"keyword","start":0,"text":"let"}]}
                        let attr = t.parent_ancestors().find_map(ast::Attr::cast)?;
                    ast::String(string) => {
                        let attr_is_inner = attr.excl_token().map(|excl| excl.kind() == BANG).unwrap_or(false);