public ThemeManagerInterface::alter($type, &$data,

protected ThemeManager::initTheme(RouteMatchInterface $route_match = NULL)

public ThemeManagerInterface::resetActiveTheme()

public ThemeManager::hasActiveTheme() Determines

public ThemeManagerInterface::getActiveTheme()

The path to the theme. Type: string File core/lib/D

public ActiveTheme::getName() Returns

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

public ThemeSettings::getCacheTags() The

Contains the current active theme. Type: