Read the reflog for the given reference

Write an existing in-memory reflog object back to disk using an atomic file lock

Add a new entry to the in-memory reflog

Rename a reflog

Delete the reflog for the given reference

Get the number of log entries in a reflog

Lookup an entry by its index

Remove an entry from the reflog by its index

Get the old oid

Get the new oid

Get the committer of this entry

Get the log message

Free the reflog