Assetic\Filter\PngoutFilter /usr/bin/pngout null null null null null %assetic.filter.pngout.bin% %assetic.filter.pngout.timeout% %assetic.filter.pngout.color% %assetic.filter.pngout.filter% %assetic.filter.pngout.strategy% %assetic.filter.pngout.block_split_threshold%