absl::StatusOr<std::optional<XlaSerializedCacheEntry>>
  TryToReadSerializedEntry(const XlaSerializedCacheKey& key) const;

  // Checks if the loaded `entry` matches the expected `key` and `hlo_module`.
  Status VerifyLoadedCacheEntry(const XlaSerializedCacheKey& key,
                                const xla::HloModuleProto& hlo_module,
                                const XlaSerializedCacheEntry& entry) const;