| 12345678910111213141516171819202122232425262728293031323334 | //  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.//  This source code is licensed under both the GPLv2 (found in the//  COPYING file in the root directory) and Apache 2.0 License//  (found in the LICENSE.Apache file in the root directory).#pragma once#include <string>#include "monitoring/statistics.h"#include "rocksdb/persistent_cache.h"namespace ROCKSDB_NAMESPACE {// PersistentCacheOptions//// This describe the caching behavior for page cache// This is used to pass the context for caching and the cache handlestruct PersistentCacheOptions {  PersistentCacheOptions() {}  explicit PersistentCacheOptions(      const std::shared_ptr<PersistentCache>& _persistent_cache,      const std::string _key_prefix, Statistics* const _statistics)      : persistent_cache(_persistent_cache),        key_prefix(_key_prefix),        statistics(_statistics) {}  virtual ~PersistentCacheOptions() {}  std::shared_ptr<PersistentCache> persistent_cache;  std::string key_prefix;  Statistics* statistics = nullptr;};}  // namespace ROCKSDB_NAMESPACE
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