199 struct SharedDownstreamAddr {  struct
200   SharedDownstreamAddr()  in SharedDownstreamAddr()  argument
209   SharedDownstreamAddr &operator=(const SharedDownstreamAddr &) = delete;  argument
210   SharedDownstreamAddr &operator=(SharedDownstreamAddr &&) = delete;  argument
212   BlockAllocator balloc;
213   std::vector<DownstreamAddr> addrs;
214   std::vector<WeightGroup> wgs;
217       pq;
220   std::vector<AffinityHash> affinity_hash;
223   std::unordered_map<uint32_t, size_t> affinity_hash_map;
225   std::shared_ptr<mruby::MRubyContext> mruby_ctx;
228   AffinityConfig affinity;
252   std::shared_ptr<SharedDownstreamAddr> shared_addr;  argument