import React from 'react'import {ButtonGroup, Button, DropdownButton, Dropdown} from 'react-bootstrap';import 'bootstrap/dist/css/bootstrap.min.css';function App(props) {
  return (<ButtonGroup>
                <Button>1</Button>
                <Button>2</Button>
                <DropdownButton as={ButtonGroup} title="Dropdown" id="bg-nested-dropdown">
                <Dropdown.Item eventKey="1">Dropdown link</Dropdown.Item>
                <Dropdown.Item eventKey="2">Dropdown link</Dropdown.Item>
                </DropdownButton>
          </ButtonGroup>);}export default App;