An AugmentedReality session can be configured to provide light estimates. The specific approach to light estimation can be configured by the[UARSessionConfig](API\Runtime\AugmentedReality\UARSessionConfig)_ specified duringStartARSession(). This function assumes that you will cast the returned[UARLightEstimate](API\Runtime\AugmentedReality\UARLightEstimate)_ to a derived type corresponding to your session config.