Stats.Pack_storeSourcetype field = | Appended_hashes| Appended_offsets| StagingFound in the store's write buffer.
*)| LruFound in the store's LRU of recent find results.
| Pack_directDecoded directly from the pack file (via a direct key).
*)| Pack_indexedBinding recovered from the pack file after first checking the index for its offset and length (via an indexed key).
*)| Not_foundFind returned None.
type t = {mutable appended_hashes : int;mutable appended_offsets : int;mutable total : int;mutable from_staging : int;mutable from_lru : int;mutable from_pack_direct : int;mutable from_pack_indexed : int;}