This method is being called in case of exception or document destruction to dismiss any possible pending failure UI that may have left on the screen 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
Syntax
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Parameters
- document
 -  Type:  Autodesk.Revit.DB Document  
Document for which pending failures processing UI should be dismissed