Runway light schemes

Which SDK do i need to make new runway light schemes (other than the ones already provided)?
Flight Simulator and other chat
https://forums.simviation.com/phpBB3/
https://forums.simviation.com/phpBB3/viewtopic.php?f=16&t=37377
Pardon my ignorance but are there not enough runway lights' options in AFCAD2? last count there seemed to be several in AF2; i.e., Left Edge, Center, Right Edge, etc..
bill
p.s. also various approach lighting