docs: 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");
      }