The extension object. Type:

public ActiveTheme::getExtension() Returns

Stores whether the registry was already initialized. Type: bool File

public ThemeManagerInterface::hasActiveTheme()

public ThemeInitialization::initTheme($theme_name)

public ThemeInitializationInterface::loa

public ThemeInitializationInterface::get

Defines the theme registry service. @internal Theme registry is expected to be used only internally since every

protected ThemeInitialization::resolveStyleSheetPlaceholde

public ThemeManagerInterface::render($hook, array $variables)