@RubyLevelMethod(name = "print", module = true)
 public static RubyValue print(RubyValue receiver, RubyArray args) {
   return RubyIO.STDOUT.print(args);
 }
 @RubyLevelMethod(name = "puts", module = true)
 public static RubyValue puts(RubyValue receiver) {
   return RubyIO.STDOUT.puts();
 }