@protocol MTLDevice; @interface MPSAccelerationStructureGroup : NSObject { void *_bvhGroup; } @property (readonly, nonatomic) id<MTLDevice> device; - (void)dealloc; - (id)initWithDevice:(id)a0; - (void *)bvhGroup; - (id)initWithDevice:(id)a0 storageMode:(unsigned long long)a1; @end