* @param string $name The name of the template to load
*
* @return string The template source code
+ *
+ * @throws Twig_Error_Loader When $name is not found
*/
function getSource($name);
* @param string $name The name of the template to load
*
* @return string The cache key
+ *
+ * @throws Twig_Error_Loader When $name is not found
*/
function getCacheKey($name);
*
* @param string $name The template name
* @param timestamp $time The last modification time of the cached template
+ *
+ * @throws Twig_Error_Loader When $name is not found
*/
function isFresh($name, $time);
}