public ThemeAccessCheck::checkAccess($theme)

The machine name of the active theme. Type: string File

The complete theme registry. An array of theme registries, keyed by the theme name. Each registry is an associative array keyed by theme hook

The name of the theme for which to construct the registry, if given. Type: string|null File

The theme manager. Type:

protected Registry::processExtension(array &$cache, $name, $type, $theme, $path)

protected Registry::build() Builds the theme

public ThemeInitializationInterface::ini

The missing theme dependency. Type: string File cor

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