Configuration
fun Configuration( cameraFacing: CameraFacing = CameraFacing.BACK, cameraPreviewScaleType: CameraPreviewScaleType = CameraPreviewScaleType.FIT, isTorchEnabled: Boolean = false, isVideoCaptureEnabled: Boolean = false, qualityAttributeThresholds: QualityAttributeThresholds = QualityAttributeThresholdPresets.standard, isDetectionLayerVisible: Boolean = false, sessionToken: String? = null, isCameraPreviewVisible: Boolean = true, placeholderType: PlaceholderType = PlaceholderType.LEFT)