public Tag use(String className,String tagBundleName,String tagBundleVersion,Identification id) throws PageException {
  Queue<Tag> queue=getQueue(toId(className,tagBundleName,tagBundleVersion));
  Tag tag=queue.poll();
  if (tag != null)   return tag;
  return loadTag(className,tagBundleName,tagBundleVersion,id);
}

public Tag use ( String className , String tagBundleName , String tagBundleVersion , Identification id ) throws PageException { Queue < Tag > queue = getQueue ( toId ( className , tagBundleName , tagBundleVersion ) ) ; Tag tag = queue . poll ( ) ; if ( tag != null ) return tag ; return loadTag ( className , tagBundleName , tagBundleVersion , id ) ; }
return a tag to use from a class
