anchor.diff:  ButtonGroupType ButtonGroup =
       ({key, bsClass, bsStyle, bsSize,
        vertical, justified, block,
  -     props, children}) => raw.ButtonGroup_Raw(_mergeMaps({
  +     props, children}) => raw.ButtonGroup_Raw(_rawMap({
     'key': key,
     'bsClass': CLASSES_MAP[bsClass],
     'bsStyle': STYLES_MAP[bsStyle],
  
positive.code: 
  AlertType Alert = ({ key, bsClass, bsStyle, bsSize,
                     onDismiss, dismissAfter, closeLabel,
                     props, children}) => raw.Alert_Raw(_mergeMaps({
    'key': key,
    'bsClass': CLASSES_MAP[bsClass],
    'bsStyle': STYLES_MAP[bsStyle],
  
negative.code: 
  DropdownButtonType DropdownButton = ({key, bsClass: CLASSES.button, bsStyle, bsSize,
                                       pullRight, dropup, title, href, onClick, onSelect, navItem, noCaret,
                                       buttonClassName, props, children}) => raw.DropdownButton_Raw(_rawMap({
    'key': key,
    'bsClass': CLASSES_MAP[bsClass],
    'bsStyle': STYLES_MAP[bsStyle],
  