The app root. Type: string File core/lib/Drupal/Cor

public ThemeHandler::addTheme(Extension $theme)

A list of all currently available themes. Type:

public ThemeHandler::rebuildThemeData() Scans

public ThemeHandler::refreshInfo() Refreshes

The CSS asset collection optimizer service. Type:

The info parser to parse the theme.info.yml files. Type:

public ThemeHandler::getDefault() Returns

protected ThemeHandler::doGetBaseThemes(array $themes, $theme, $used_themes

public ThemeHandler::themeExists($theme)