message: Use flow style function definition for doc
diff: @@ -28,9 +28,8 @@ module.exports = React.createClass({
  // The className to apply to the wrapping div
  className: PropTypes.string,
  // A function that returns the children to be rendered into the element.
  - // Takes two integers which define the range of child indices to return.
  + // function getChildren(start: number, end: number): Array<React.Node>
  // The start element is included, the end is not (as in `slice`).
  - // Returns an array.
  // If omitted, the React child elements will be used. This parameter can be used
  // to avoid creating unnecessary React elements.
  getChildren: PropTypes.func,
  