@interface SBSAShadowPreferencesProvider : SBSABasePreferencesProvider - (long long)_shadowStyleForContainerDescription:(id)a0 elementContext:(id)a1 useHeavyShadowForTransition:(BOOL)a2 isFirstContainer:(BOOL)a3; - (BOOL)_stretchProviderPresentInStack; - (id)preferencesFromContext:(id)a0; @end