474 struct BlockBasedTable::Rep {  struct
475   Rep(const ImmutableCFOptions& _ioptions, const EnvOptions& _env_options,  in Rep()  function
493   const ImmutableCFOptions& ioptions;
494   const EnvOptions& env_options;
495   const BlockBasedTableOptions table_options;
496   const FilterPolicy* const filter_policy;
497   const InternalKeyComparator& internal_comparator;
498   Status status;
499   std::unique_ptr<RandomAccessFileReader> file;
500   char cache_key_prefix[kMaxCacheKeyPrefixSize];
501   size_t cache_key_prefix_size = 0;
502   char persistent_cache_key_prefix[kMaxCacheKeyPrefixSize];
503   size_t persistent_cache_key_prefix_size = 0;
504   char compressed_cache_key_prefix[kMaxCacheKeyPrefixSize];
505   size_t compressed_cache_key_prefix_size = 0;
506   PersistentCacheOptions persistent_cache_options;
509   Footer footer;
511   std::unique_ptr<IndexReader> index_reader;
512   std::unique_ptr<FilterBlockReader> filter;
513   std::unique_ptr<UncompressionDictReader> uncompression_dict_reader;
515   enum class FilterType {
521   FilterType filter_type;
522   BlockHandle filter_handle;
523   BlockHandle compression_dict_handle;
525   std::shared_ptr<const TableProperties> table_properties;
526   BlockBasedTableOptions::IndexType index_type;
527   bool hash_index_allow_collision;
528   bool whole_key_filtering;
529   bool prefix_filtering;
535   std::unique_ptr<SliceTransform> internal_prefix_transform;
536   std::shared_ptr<const SliceTransform> table_prefix_extractor;
538   std::shared_ptr<const FragmentedRangeTombstoneList> fragmented_range_dels;
545   SequenceNumber global_seqno;
549   int level;
553   bool blocks_maybe_compressed = true;
559   bool blocks_definitely_zstd_compressed = false;
562   bool index_has_first_key = false;
563   bool index_key_includes_seq = true;
564   bool index_value_is_full = true;
566   const bool immortal_table;
568   SequenceNumber get_global_seqno(BlockType block_type) const {  in get_global_seqno()
575   uint64_t cf_id_for_tracing() const {  in cf_id_for_tracing()
582   Slice cf_name_for_tracing() const {  in cf_name_for_tracing()
587   uint32_t level_for_tracing() const { return level >= 0 ? level : UINT32_MAX; }  in level_for_tracing()
589   uint64_t sst_number_for_tracing() const {  in sst_number_for_tracing()
592   void CreateFilePrefetchBuffer(  in CreateFilePrefetchBuffer()