{"ast_node_type":"variable","tokens":[{"end":87,"kind":"keyword","start":0,"text":"let"}]}
            let edges_len_bytes = node_header.bytes_per_index() * (num_edges as usize);
            // list for a node with one decoder call and also use the on-disk format in memory.
            // The in-memory structure for the edges list stores the byte width of the edges on