@Override
    public BleIllegalOperationException handleMismatchData(BluetoothGattCharacteristic characteristic, int neededProperties) {
        RxBleLog.w(messageCreator.createMismatchMessage(characteristic, neededProperties));
        return null;
    }
This method logs a warning.
@param characteristic the characteristic upon which the operation was requested
@param neededProperties bitmask of properties needed by the operation
rxandroidble/src/main/java/com/polidea/rxandroidble2/internal/connection/LoggingIllegalOperationHandler.java