content: import MapView from 'react-native-maps';
  import React, { Component } from 'react';
  
  // $FlowExpectedError
  const A = <MapView initialRegion="mexico" />;
  
  const B = <MapView />;
  
  // $FlowExpectedError
  const C = <MapView.Marker />;
  
  const D = <MapView.Marker coordinate={{ latitude: 50, longitude: 50 }} />;
  