{"ast_node_type":"function","tokens":[{"end":62,"kind":"keyword","start":0,"text":"fn"}]}
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
impl<N> fmt::Debug for FileAstId<N> {
        write!(f, "FileAstId::<{}>({:?})", type_name::<N>(), self.raw)