docs: public static Class<ImageBorder> lookupBorderClassType( Class<ImageGray> imageType ) {
  		if( (Class)imageType == GrayF32.class )
  			return (Class) ImageBorder1D_F32.class;
  		if( (Class)imageType == GrayF64.class )
  			return (Class) ImageBorder1D_F64.class;
  		else if( GrayI.class.isAssignableFrom(imageType) )
  			return (Class)ImageBorder1D_S32.class;
  		else if( (Class)imageType == GrayS64.class )
  			return (Class)ImageBorder1D_S64.class;
  		else
  			throw new IllegalArgumentException("Unknown image type");
  	}