Help required: Sync in Joplin

[PackElend]

what is the sync code saying?
There should be some in code doc, giving information how sync conflicts are solved.

May you find some information in

• Android share and send functionality
• https://github.com/laurent22/joplin/pull/2577
• https://github.com/laurent22/joplin/issues/2518
• https://github.com/laurent22/joplin/issues/2502