import React from 'react'; import PropTypes from 'prop-types'; import { defineMessages, injectIntl } from 'react-intl'; const messages = defineMessages({ clear: { id: 'notifications.clear', defaultMessage: 'Clear notifications' }, }); class ClearColumnButton extends React.Component { static propTypes = { onClick: PropTypes.func.isRequired, intl: PropTypes.object.isRequired, }; render () { const { intl } = this.props; return (