@class NSMutableIndexSet; @protocol MTLBuffer; @interface SCNFixedSizePage : NSObject { unsigned long long _elementSize; NSMutableIndexSet *_freeIndices; } @property (readonly, nonatomic) id<MTLBuffer> buffer; - (BOOL)isFull; - (void)dealloc; - (unsigned long long)_allocateElement; - (void)deallocateElementAtOffset:(unsigned long long)a0; - (BOOL)hasFreeElementsLeft; - (id)initWithBuffer:(id)a0 elementSize:(unsigned long long)a1; - (id)newSubBufferForAllocator:(id)a0; @end