docs: function(module, exports, __webpack_require__) {
  
  	/**
  	 * Copyright 2013-present, Facebook, Inc.
  	 * All rights reserved.
  	 *
  	 * This source code is licensed under the BSD-style license found in the
  	 * LICENSE file in the root directory of this source tree. An additional grant
  	 * of patent rights can be found in the PATENTS file in the same directory.
  	 *
  	 */
  	'use strict';
  	
  	var _prodInvariant = __webpack_require__(8);
  	
  	var ReactElement = __webpack_require__(10);
  	
  	var invariant = __webpack_require__(9);
  	
  	/**
  	 * Returns the first child in a collection of children and verifies that there
  	 * is only one child in the collection.
  	 *
  	 * See https://facebook.github.io/react/docs/top-level-api.html#react.children.only
  	 *
  	 * The current implementation of this function assumes that a single child gets
  	 * passed without a wrapper, but the purpose of this helper function is to
  	 * abstract away the particular structure of children.
  	 *
  	 * @param {?object} children Child collection structure.
  	 * @return {ReactElement} The first and only `ReactElement` contained in the
  	 * structure.
  	 */
  	function onlyChild(children) {
  	  !ReactElement.isValidElement(children) ?  false ? invariant(false, 'React.Children.only expected to receive a single React element child.') : _prodInvariant('143') : void 0;
  	  return children;
  	}
  	
  	module.exports = onlyChild;
  
  /***/ }