The \Magento\Catalog\Model\Indexer\Category\AffectCache and \Magento\Catalog\Model\Indexer\Product\AffectCache have 39 lines of code each but differs by a single constant (copy/paste)

[dmitrii_fediuk]

• \Magento\Catalog\Model\Indexer\Category\AffectCache
• \Magento\Catalog\Model\Indexer\Product\AffectCache

https://github.com/magento/magento2/issues/3318