[ObjCRuntime.Availability(Introduced=ObjCRuntime.Platform.iOS_8_0)]
[ObjCRuntime.Availability(Introduced=ObjCRuntime.Platform.Mac_10_0 | ObjCRuntime.Platform.Mac_10_1 | ObjCRuntime.Platform.Mac_10_2 | ObjCRuntime.Platform.Mac_10_3 | ObjCRuntime.Platform.Mac_10_4 | ObjCRuntime.Platform.Mac_10_5 | ObjCRuntime.Platform.Mac_10_6 | ObjCRuntime.Platform.Mac_10_7 | ObjCRuntime.Platform.Mac_10_8 | ObjCRuntime.Platform.Mac_10_9 | ObjCRuntime.Platform.Mac_10_10 | ObjCRuntime.Platform.Mac_Version | ObjCRuntime.Platform.Mac_Arch64 | ObjCRuntime.Platform.Mac_Arch)]
[get: Foundation.Export("physicsWorld")]
[get: ObjCRuntime.Availability(Introduced=ObjCRuntime.Platform.iOS_8_0)]
[get: ObjCRuntime.Availability(Introduced=ObjCRuntime.Platform.Mac_10_0 | ObjCRuntime.Platform.Mac_10_1 | ObjCRuntime.Platform.Mac_10_2 | ObjCRuntime.Platform.Mac_10_3 | ObjCRuntime.Platform.Mac_10_4 | ObjCRuntime.Platform.Mac_10_5 | ObjCRuntime.Platform.Mac_10_6 | ObjCRuntime.Platform.Mac_10_7 | ObjCRuntime.Platform.Mac_10_8 | ObjCRuntime.Platform.Mac_10_9 | ObjCRuntime.Platform.Mac_10_10 | ObjCRuntime.Platform.Mac_Version | ObjCRuntime.Platform.Mac_Arch64 | ObjCRuntime.Platform.Mac_Arch)]
public virtual SCNPhysicsWorld PhysicsWorld { get; }