Information on FIMAutomation Class Microsoft.ResourceManagement.Automation.ObjectModel.ImportObject

Hello,

I am working on powershell scripting on MIM on-premises environment.
I have found a lot of different scripts to use FIM Automation but I did not find anywhere any information or class description for the following objects usage.

All scripts found about changing ressources attributes in the ResourceManagementService, make usage of this objects to define some attribute change. But I did not find any documentation about them.