{"ast_node_type":"other","tokens":[{"end":22,"kind":"keyword","start":0,"text":"debug_assert!("}]}
        debug_assert!(
        debug_assert!(is_ancestor_or_self_of_element(&old, &self.root));
            !(matches!(&old, SyntaxElement::Node(node) if node == &self.root) && new.len() > 1),