static [ECombineMode](API\Runtime\Chaos\Chaos\FChaosPhysicsMaterial\ECombineMode) ChooseCombineMode ( [ECombineMode](API\Runtime\Chaos\Chaos\FChaosPhysicsMaterial\ECombineMode) A, [ECombineMode](API\Runtime\Chaos\Chaos\FChaosPhysicsMaterial\ECombineMode) B )