protected ReadHeadObjectFieldNode createReadFrozenNode() {
   return ReadHeadObjectFieldNodeGen.create(Layouts.FROZEN_IDENTIFIER, false);
 }
 public ReadThreadLocalGlobalVariableNode(
     RubyContext context, SourceSection sourceSection, String name) {
   super(context, sourceSection);
   this.threadLocalVariablesObjectNode = new ThreadLocalObjectNode(context, sourceSection);
   readNode = ReadHeadObjectFieldNodeGen.create(name, nil());
 }