/**
  * A constructor for accessing and modifying existing message headers. Note that the message
  * headers may not have been created from a STOMP frame but may have rather originated from using
  * the more generic {@link org.springframework.messaging.simp.SimpMessageHeaderAccessor}.
  */
 StompHeaderAccessor(Message<?> message) {
   super(message);
   updateStompHeadersFromSimpMessageHeaders();
 }