/// Represents the camera device position.
///
/// * `back`: Indicates that the device is physically located on the back of the system hardware
/// * `front`: Indicates that the device is physically located on the front of the system hardware
///
/// #### iOS only
/// * `unspecified`: Indicates that the device's position relative to the system hardware is unspecified
///
/// #### Android only
/// * `external`: The camera device is an external camera, and has no fixed facing relative to the device's screen. (Android only)
enum CameraPosition { front, back, unspecified, external }

CameraPosition cameraPositionFromString(String string) {
  switch (string) {
    case 'front':
      return CameraPosition.front;
    case 'back':
      return CameraPosition.back;
    case 'unspecified':
      return CameraPosition.unspecified;
    case 'external':
      return CameraPosition.external;
    default:
      return CameraPosition.unspecified;
  }
}