private function getDefaultTheme() {
    if (!empty($GLOBALS['install_state']['forms'][$this->getFormId()]['theme'])) {
      return $GLOBALS['install_state']['forms'][$this->getFormId()]['theme'];
    };

    return self::DEFAULT_THEME;
  }
private function getDefaultTheme() {
    if (!empty($GLOBALS['install_state']['forms'][$this->getFormId()]['theme'])) {
      return $GLOBALS['install_state']['forms'][$this->getFormId()]['theme'];
    };

    return self::DEFAULT_THEME;
  }
private function getDefaultTheme ( ) { if ( ! empty ( $ GLOBALS [ 'install_state' ] [ 'forms' ] [ $ this -> getFormId ( ) ] [ 'theme' ] ) ) { return $ GLOBALS [ 'install_state' ] [ 'forms' ] [ $ this -> getFormId ( ) ] [ 'theme' ] ; } ; return self :: DEFAULT_THEME ; }
Returns default theme machine name.

@return string
Default preset machine name.
Returns default theme machine name .