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                  Fired when the VR.directionchanges.DeclarationSwift public static var VR_DIRECTION_CHANGE: EventType<VRDirectionChangeEvent>
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                  Fired when the VR.stereochanges.DeclarationSwift public static var VR_STEREO_CHANGE: EventType<VRStereoChangeEvent>
 VREventTypes Structure Reference
      VREventTypes Structure Reference