{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"debug_assert!(is_ancestor_or_self(&position.parent(),"}]}
        debug_assert!(is_ancestor_or_self(&position.parent(), &self.root));
    pub fn insert_all(&mut self, position: Position, elements: Vec<SyntaxElement>) {
        self.changes.push(Change::InsertAll(position, elements))