code: function mapChildren(children, func, context) {
    if (children == null) {
      return children;
    }
    var result = [];
    mapIntoWithKeyPrefixInternal(children, result, null, func, context);
    return result;
  }
docs: Maps children that are typically specified as `props.children`.
  
  See https://facebook.github.io/react/docs/react-api.html#react.children.map
  
  The provided mapFunction(child, key, index) will be called for each
  leaf child.
  
  @param {?*} children Children tree container.
  @param {function(*, int)} func The map function.
  @param {*} context Context for mapFunction.
  @return {object} Object containing the ordered map of results.