import {Component, PropTypes} from 'react'; let propType = PropTypes.oneOfType([PropTypes.string, PropTypes.number]); class Pattern extends Component{ static displayName = 'Pattern'; static propTypes = { x1: propType, x2: propType, y1: propType, y2: propType, patternTransform: PropTypes.string, patternUnits: PropTypes.oneOf(['userSpaceOnUse', 'objectBoundingBox']), patternContentUnits: PropTypes.oneOf(['userSpaceOnUse', 'objectBoundingBox']) }; render() { return null; } } export default Pattern;