private static class RegisterTags extends SafeConstructor
{
private boolean recursing;
RegisterTags() {
yamlConstructors.put(new Tag("!dc"), new ConstructDontCare());
yamlConstructors.put(new Tag("!re"), new ConstructRegexp());
yamlConstructors.put(new Tag("!select-engine"), new ConstructSelectEngine());
yamlConstructors.put(new Tag("!date"), new ConstructSystemDate());
yamlConstructors.put(new Tag("!time"), new ConstructSystemTime());
yamlConstructors.put(new Tag("!datetime"), new ConstructSystemDateTime());
yamlConstructors.put(new Tag("!unicode"), new ConstructUnicode());
yamlConstructors.put(new Tag("!utf8-bytes"), new ConstructUTF8Bytes());
}