21 struct TableBuilder::Rep {  struct in leveldb::TableBuilder
22   Rep(const Options& opt, WritableFile* f)  in Rep()  function
38   Options options;
39   Options index_block_options;
40   WritableFile* file;
41   uint64_t offset;
42   Status status;
43   BlockBuilder data_block;
44   BlockBuilder index_block;
45   std::string last_key;
46   int64_t num_entries;
47   bool closed;  // Either Finish() or Abandon() has been called.
48   FilterBlockBuilder* filter_block;
59   bool pending_index_entry;
60   BlockHandle pending_handle;  // Handle to add to index block
62   std::string compressed_output;