stringConverters = new ConcurrentHashMap<Class<?>, StringConverter>();
stringParameterUnmarshallers = new ConcurrentHashMap<Class<?>, Class<? extends StringParameterUnmarshaller>>();
headerDelegates = new ConcurrentHashMap<Class<?>, HeaderDelegate>();
precedence = new LegacyPrecedence();
serverReaderInterceptorRegistry = new ReaderInterceptorRegistry(this, precedence);
serverWriterInterceptorRegistry = new WriterInterceptorRegistry(this, precedence);
containerRequestFilterRegistry = new ContainerRequestFilterRegistry(this, precedence);
containerResponseFilterRegistry = new ContainerResponseFilterRegistry(this, precedence);