{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"///"}]}
/// graph, and we map nodes in the previous graph to indices via a two-step
/// keys. The `anon_node_to_index` map only contains nodes of anonymous queries not in the previous
/// mapping. `SerializedDepGraph` maps from `DepNode` to `SerializedDepNodeIndex`,