import React from 'react';

declare var any: any;

class Foo extends React.Component<{}, void> {yep1: boolean}
class Bar extends React.Component<{}, void> {yep2: boolean}

(any: React$ElementRef<Class<Foo>>).yep1; // OK
(any: React$ElementRef<Class<Foo>>).yep2; // Error
(any: React$ElementRef<Class<Foo>>).nope; // Error
(any: React$ElementRef<Class<Bar>>).yep1; // Error
(any: React$ElementRef<Class<Bar>>).yep2; // OK
(any: React$ElementRef<Class<Bar>>).nope; // Error
