text: import React from 'react';
  import { StackNavigator } from 'react-navigation';
  
  import FightersListNavigator from './src/navigators/FightersListNavigator';
  import FighterDetailNavigator from './src/navigators/FighterDetailNavigator';
  
  // Fix for Android - It wasn't fetching the data properly when NOT in debug mode
  // https://github.com/facebook/relay/issues/1704
  (function(PolyfillSet) {
    if (!PolyfillSet) {
      return;
    }
    var testSet = new PolyfillSet();
    if (testSet.size === undefined) {
      if (testSet._c.size === 0) {
        Object.defineProperty(PolyfillSet.prototype, 'size', {
          get: function() {
            return this._c.size;
          },
        });
      }
    }
  })(require('babel-runtime/core-js/set').default);
  
  const UFCFightersApp = StackNavigator(
    {
      FightersListNavigator: { screen: FightersListNavigator },
      FighterDetailNavigator: { screen: FighterDetailNavigator },
    },
    {
      initialRouteName: 'FightersListNavigator',
    },
  );
  
  export default () => <UFCFightersApp />;
  