text: import React, { Component } from 'react';
  import { setTopLevelNavigator } from 'app/utils/NavigationUtil';
  import { UsersNavigation } from 'app/routes/MainNavigationRouteSetup';
  
  export default class AppHome extends Component {
    render() {
      return (
        <UsersNavigation
          ref={navigatorRef => {
            setTopLevelNavigator(navigatorRef);
          }}
        />
      );
    }
  }
  