java.lang.NullPointerException
   at org.netbeans.modules.cnd.modelimpl.impl.services.UsingResolverImpl.findUsedDeclarations(UsingResolverImpl.java:137)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.resolveInUsingDeclarations(Resolver3.java:426)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.resolveSimpleName(Resolver3.java:716)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.resolve(Resolver3.java:600)
   at org.netbeans.modules.cnd.modelimpl.csm.TypeImpl.renderClassifier(TypeImpl.java:873)
   at org.netbeans.modules.cnd.modelimpl.csm.TypeImpl.getClassifier(TypeImpl.java:758)
   at org.netbeans.modules.cnd.modelimpl.csm.NestedType.getClassifier(NestedType.java:128)
   at org.netbeans.modules.cnd.modelimpl.csm.NestedType.getClassifier(NestedType.java:111)
   at org.netbeans.modules.cnd.modelimpl.csm.InheritanceImpl.getClassifier(InheritanceImpl.java:158)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.getInheritanceClass(Resolver3.java:1005)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3._resolveInBaseClasses(Resolver3.java:982)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.resolveInBaseClasses(Resolver3.java:963)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.resolveSimpleName(Resolver3.java:637)
   at org.netbeans.modules.cnd.modelimpl.csm.resolver.Resolver3.resolve(Resolver3.java:600)
   at org.netbeans.modules.cnd.modelimpl.csm.TypeImpl.renderClassifier(TypeImpl.java:873)
   at org.netbeans.modules.cnd.modelimpl.csm.TypeImpl.getClassifier(TypeImpl.java:758)
   at org.netbeans.modules.cnd.modelimpl.csm.NestedType.getClassifier(NestedType.java:128)
   at org.netbeans.modules.cnd.modelimpl.csm.NestedType.getClassifier(NestedType.java:111)
   at org.netbeans.modules.cnd.modelimpl.csm.InheritanceImpl.getClassifier(InheritanceImpl.java:158)
   at org.netbeans.modules.cnd.api.model.services.CsmInheritanceUtilities.getCsmClass(CsmInheritanceUtilities.java:472)
   at org.netbeans.modules.cnd.api.model.services.CsmVirtualInfoQuery$Empty.getBaseDeclaration(CsmVirtualInfoQuery.java:315)
   at org.netbeans.modules.cnd.api.model.services.CsmVirtualInfoQuery$Empty.getOverriddenChain(CsmVirtualInfoQuery.java:295)
   at org.netbeans.modules.cnd.navigation.overrides.ComputeAnnotations.computeAnnotation(ComputeAnnotations.java:131)
   at org.netbeans.modules.cnd.navigation.overrides.ComputeAnnotations.computeAnnotations(ComputeAnnotations.java:108)
   at org.netbeans.modules.cnd.navigation.overrides.ComputeAnnotations.computeAnnotations(ComputeAnnotations.java:118)
   at org.netbeans.modules.cnd.navigation.overrides.ComputeAnnotations.computeAnnotations(ComputeAnnotations.java:95)
   at org.netbeans.modules.cnd.navigation.overrides.OverrideTaskFactory$RunnerImpl.addAnnotations(OverrideTaskFactory.java:220)
   at org.netbeans.modules.cnd.navigation.overrides.OverrideTaskFactory$RunnerImpl.run(OverrideTaskFactory.java:207)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)