@class NSArray, NSString, UITargetedPreview; @interface _UIGravityWellEffectDescriptor : NSObject <_UIContentEffectDescriptor> @property (retain, nonatomic) UITargetedPreview *primaryPreview; @property (retain, nonatomic) NSArray *secondaryPreviews; @property (readonly, nonatomic) UITargetedPreview *targetedPreview; @property (readonly, nonatomic) NSArray *compatibleDescriptors; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void).cxx_destruct; - (BOOL)canTransitionInPlaceToEffectWithDescriptor:(id)a0; @end