{"ast_node_type":"other","tokens":[{"end":20,"kind":"keyword","start":0,"text":"//"}]}
    // Same as above
fn create_graph_with_back_refs() -> VecGraph<usize, true> {
    VecGraph::new(7, vec![(0, 1), (1, 2), (1, 3), (3, 4), (5, 1)])