FocalLengthInfo
Focal length information supported by the camera, including the camera direction and focal length type.
export class FocalLengthInfo {
  cameraDirection?: number;
  focalLengthType?: CameraFocalLengthType;
}
             Parameters
- cameraDirection
 - The camera direction. See CameraDirection.
 - focalLengthType
 - The focal length type. See CameraFocalLengthType.