# Change detection post-processors The concept here is to be able to switch between different domain specific problems to solve. - `text_json_diff` The traditional text and JSON comparison handler - `restock_diff` Only cares about detecting if a product looks like it has some text that suggests that it's out of stock, otherwise assumes that it's in stock. Some suggestions for the future - `graphical` - `restock_and_price` - extract price AND stock text