@interface GKOctree : NSObject { void *_cOctree; } + (id)octreeWithBoundingBox:(struct GKBox { })a0 minimumCellSize:(float)a1; - (id)init; - (void)dealloc; - (BOOL)removeElement:(id)a0; - (id)addElement:(SEL)a0 withPoint:(id)a1; - (id)addElement:(id)a0 withBox:(struct GKBox { })a1; - (id)elementsAtPoint:(SEL)a0; - (id)elementsInBox:(struct GKBox { })a0; - (id)initWithBoundingBox:(struct GKBox { })a0 minimumCellSize:(float)a1; - (BOOL)removeElement:(id)a0 withNode:(id)a1; @end