java.lang.AssertionError: actual and formal argument lists differ in length
   at com.sun.tools.javac.util.Assert.error(Assert.java:133)
   at com.sun.tools.javac.comp.Attr.checkMethod(Attr.java:3975)
   at com.sun.tools.javac.comp.Attr.checkIdInternal(Attr.java:3739)
   at com.sun.tools.javac.comp.Attr.checkId(Attr.java:3602)
   at com.sun.tools.javac.comp.Attr.visitIdent(Attr.java:3358)
   at com.sun.tools.javac.tree.JCTree$JCIdent.accept(JCTree.java:1995)
   at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:589)
   at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:631)
   at com.sun.tools.javac.api.JavacTaskImpl.attributeTree(JavacTaskImpl.java:761)
   at org.netbeans.api.java.source.TreeUtilities.attributeTree(TreeUtilities.java:643)
   at org.netbeans.api.java.source.TreeUtilities.isCompileTimeConstantExpression(TreeUtilities.java:1483)
   at org.netbeans.modules.java.hints.introduce.IntroduceHint.findAcceptableConstantTarget(IntroduceHint.java:1124)
   at org.netbeans.modules.java.hints.introduce.IntroduceHint.computeError(IntroduceHint.java:438)
   at org.netbeans.modules.java.hints.introduce.IntroduceHint.run(IntroduceHint.java:370)
   at org.netbeans.modules.java.hints.introduce.IntroduceHint.run(IntroduceHint.java:163)
   at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:298)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:568)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:744)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
   at java.util.concurrent.FutureTask.run(FutureTask.java:166)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1432)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2042)