public static List<String> filterTags(List<LanguageRange> priorityList,Collection<String> tags,FilteringMode mode){
  return LocaleMatcher.filterTags(priorityList,tags,mode);
}

public static List < String > filterTags ( List < LanguageRange > priorityList , Collection < String > tags , FilteringMode mode ) { return LocaleMatcher . filterTags ( priorityList , tags , mode ) ; }
returns a list of matching languages tags using the basic filtering mechanism defined in rfc 4647 .
