Problem in converting React Navigation v3 to v5

Question

Can someone help me how to convert this to the v5 syntax?

const Navigator = createSwitchNavigator(
  {
    [screens.App]: AppNavigator,
  },
  {
    initialRouteName: screens.Init,
    headerMode: 'screen',
  },
);
const RootNavigator = createAppContainer(Navigator);

export default createStackNavigator(
  {
    [screens.Auth]: AuthScreen,
  },
  {
    initialRouteKey: screens.Auth,
    headerMode: 'screen',
  },
);

I can't seem to solve my problem, my brain is aching as hell. Thanks in advance guys.