{"ast_node_type":"variable","tokens":[{"end":54,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(&index) = self.indices.get(node) {
    fn reachable_nodes(&self, node: &DepNode, direction: Direction) -> Vec<&DepNode> {
            self.graph.depth_traverse(index, direction).map(|s| self.graph.node_data(s)).collect()