System.Activities.Presentation/System/Activities/Presentation/WorkflowDesigner.cs

System.Activities.Presentation/System/Activities/Presentation/WorkflowDesigner.Debugger.cs

System.Activities.Presentation/System/Activities/Presentation/WorkflowDesigner.Helpers.cs

System.Activities.Presentation/System/Activities/Presentation/WorkflowDesigner.SerializationHelpers.cs