class ExceptionRetryHandler implements RetryHandler {

        public abstract Object operation() throws Exception@Override
        public abstract Object operation() throws Exception;

        public abstract Object operation() throws Exceptionprivate  ExceptionRetryHandler();
        public abstract Object operation() throws Exceptionpublic  ExceptionRetryHandler(Class<?>[] exceptionClasses, ExceptionRetryingProxy proxy, RetrySchedule schedule, int maxRetries);

}