dotnet-core/release-notes/1.0/1.0.0-api/1.0.0-api_System.Runtime.ConstrainedExecution.md

System.Runtime.ConstrainedExecution

+namespace System.Runtime.ConstrainedExecution {
+    public abstract class CriticalFinalizerObject {
+        protected CriticalFinalizerObject();
+        ~CriticalFinalizerObject();
+    }
+}