protected function handleControlStructure($node) {
    $this->handleParens($node);
    $colons = $node->children(Filter::isTokenType(':'));
    foreach ($colons as $colon) {
      $this->removeSpaceBefore($colon);
    }
    if ($colons->isNotEmpty()) {
      $this->newlineBefore($node->lastChild()->previous());
    }
  }