code: final void setJsMessageType(MessageType value) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "setJsMessageType", value);
          /* Get the int value of the MessageType and set that into the field */
          jmo.setField(JsHdrAccess.MESSAGETYPE, value.toByte());
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(this, tc, "setJsMessageType");
      }
docs: Set the value of the JsMessageType in the message header.
  This method is only used by message constructors so is not public final.
  
  @param value The MessageType representing the Message Type (e.g. JMS) of the message.