IsRunning returns true if the sync is running in background.

LastSync returns the time when the last sync started.

QueueRun is a thread-safe version of Run that ensures that only one sync can happen at a time.

Run ensures the system is in the correct state You should use QueueRun in most cases.

SyncError returns the error (if any) during the last sync.

Function that restarts the API server.

Boolean notifying if the first sync has completed.