Perform a full compaction of the underlying LevelDB on a one-shot background thread.
Declared in <txdb.h>
[[requires_capability(0x7fd752e509c0, 0x7fd752e50a70), requires_capability(0x7fd74ce8c820, 0x7fd74ce8c8d0), requires_capability(0x7fd75af6d6b0, 0x7fd75af6d760), requires_capability(0x7fd7545b9960, 0x7fd7545b9a10), requires_capability(0x7fd752660250, 0x7fd752660300), requires_capability(0x7fd7530326c0, 0x7fd753032770)]]
std::shared_future<void>
CompactFullAsync();
A shared future that completes when the compaction finishes.