syntax_data: {"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"dot::Id::new(format!(\"bb_{}\","}]}
source_snippet:         dot::Id::new(format!("bb_{}", n.index())).unwrap()
context_before:     fn node_id(&self, n: &Self::Node) -> dot::Id<'_> {
context_after:     }