class ENGINE_API FStaticMeshRenderData
struct ENGINE_API FStaticMeshLODResources : public FRefCountBase
	FStaticMeshLODResources(bool bAddRef = true);
	~FStaticMeshLODResources();

class ENGINE_API FObjectCacheContext


暴露这两个类后,对他们的方法都要取消暴露


索引类改成cpu可访问
