Constructors
 Methods
getDeviceType
getDeviceType(    userId: string,    handedness: XRHandedness,): undefined | "unknown" | XRControllerType Parameters
- userId: string
 - handedness: XRHandedness
 
Returns undefined | "unknown" | XRControllerType
hasState
hasState(userId: undefined | null | string): boolean Parameters
- userId: undefined | null | string
 
Returns boolean
isTracking
isTracking(    userId: undefined | null | string,    handedness: XRHandedness,): undefined | boolean Parameters
- userId: undefined | null | string
 - handedness: XRHandedness
 
Returns undefined | boolean
Is it hand tracking or a controller