A method called when the conflict is happen during the model opening. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 19.0.0.0 (19.0.0.405) 
  Since:  2019 
Syntax
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Parameters
- scenario
-  Type:  Autodesk.Revit.DB OpenConflictScenario  
 The scenario of the conflict.