@abstractmethod
    def get_system_connection_hash(self):
        pass
Look up the screen-space pixel matching the Layer-space pixel.
dataset/ETHPy150Open jzohrab/DbMigrator/dbMigrator/migrator.py/DatabaseSource.get_system_connection_hash--crossover with--dataset/ETHPy150Open los-cocos/cocos/cocos/layer/scrolling.py/ScrollingManager.pixel_to_screen