1517                    PinnableSlice* value, std::string* timestamp) {  in Get()  argument
1521   get_impl_options.timestamp = timestamp;  in Get()
1601   LookupKey lkey(key, snapshot, read_options.timestamp);  in GetImpl()
1610   std::string* timestamp = ts_sz > 0 ? get_impl_options.timestamp : nullptr;  in GetImpl()  local
1614       if (sv->mem->Get(lkey, get_impl_options.value->GetSelf(), timestamp, &s,  in GetImpl()
1623                               timestamp, &s, &merge_context,  in GetImpl()
1655         read_options, lkey, get_impl_options.value, timestamp, &s,  in GetImpl()
1765     std::string* timestamp = timestamps ? &(*timestamps)[i] : nullptr;  in MultiGet()  local
1767     LookupKey lkey(keys[i], consistent_seqnum, read_options.timestamp);  in MultiGet()
1779       if (super_version->mem->Get(lkey, value, timestamp, &s, &merge_context,  in MultiGet()
1784                      lkey, value, timestamp, &s, &merge_context,  in MultiGet()
1793       super_version->current->Get(read_options, lkey, &pinnable_val, timestamp,  in MultiGet()
2497                          std::string* value, std::string* timestamp,  in KeyMayExist()  argument
2511   get_impl_options.timestamp = timestamp;  in KeyMayExist()