WeAlreadyKnowWeWillNeedItButJustDidntPutInJiraYet (WAKWWNIBJDPIJY, or W47T) is an extremely effective and EliteNinjaProgramming technique (ENPT).

W47T is used by millions of Tech Leads in hyper-agile development environments to argue for certain architectural decisions. 

Contrast with YouArentGonnaNeedIt (YAGNI), which makes assumptions about rapidly evolving product requirements that may or may not be fully defined, like in the typical WaterFall environment.