Interface all loaders must implement.
public
getSourceContext(string $name): Source
Returns the source context for a given template logical name.
Twig\Error\LoaderError
When $name is not found
getCacheKey(string $name): string
Gets the cache key to use for the cache for a given template name.
isFresh(string $name, int $time): bool
Timestamp of the last modification time of the cached template
exists(string $name): bool