{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"///"}]}
    /// a win over hashing query keys at marginal memory cost (~5% at most) compared to FxHashMap.
    /// Stores the local DefIds in a dense map. Local queries are much more often dense, so this is
    local: VecCache<DefIndex, V, DepNodeIndex>,