import firebase from 'react-native-firebase';
import analytics from '@react-native-firebase/analytics';
import functions, { firebase as foo } from '@react-native-firebase/functions';

firebase.app;

analytics.SDK_VERSION;
functions.SDK_VERSION;
const httpsCallable = firebase.functions(firebase.app()).httpsCallable('foo');

httpsCallable({ foo: 1 }).then(result => {
  result.data;
});