Mac Preferences (Load balancer add-on)

In the Mac Preferences for Anki Desktop, there is a section called the Load Balancer. What is this and what do the settings mean (such as “Days before”, “Max time before”, etc.)?
Here is a screenshot:
Screenshot 2021-08-17 at 15.57.30

That is an add-on called load balancer - AnkiWeb, never used it before but it might be a fork from Load Balanced Scheduler - AnkiWeb (this add-on have a better explanation of what the settings does, there is also this video Anki: Load Balancer - YouTube for tutorial)