docs: protected void checkBodyWriteable(String callingMethodName) throws JMSException {
          if (bodyReadOnly) {
              throw (javax.jms.MessageNotWriteableException) JmsErrorUtils.newThrowable(javax.jms.MessageNotWriteableException.class,
                                                                                        "READ_ONLY_MESSAGE_BODY_CWSIA0107",
                                                                                        new Object[] { callingMethodName },
                                                                                        tc
                              );
          }
      }