{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"//"}]}
    // start of the list of *sources* of incoming edges. You can get predecessors of a node
    // If `BR` is true (back references are enabled), then `node_starts[n + edge_count]` is the
    // similarly to its successors but offsetting by `edge_count`. `edge_count` is