docs: public static <T extends ImageBase<T>>ImageSuperpixels<T>
  	watershed( @Nullable ConfigWatershed config , ImageType<T> imageType )
  	{
  		if( config == null )
  			config = new ConfigWatershed();
  
  		WatershedVincentSoille1991 watershed = FactorySegmentationAlg.watershed(config.connectRule);
  
  		Watershed_to_ImageSuperpixels ret = new Watershed_to_ImageSuperpixels<>(watershed, config.minimumRegionSize, config.connectRule);
  		ret.setImageType(imageType);
  		return ret;
  	}