public function isFresh(ResourceInterface $resource, $timestamp)
 {
     @trigger_error(sprintf('The class "%s" is performing resource checking through ResourceInterface::isFresh(), which is deprecated since 2.8 and will be removed in 3.0', get_class($resource)), E_USER_DEPRECATED);
     return parent::isFresh($resource, $timestamp);
     // For now, $metadata features the isFresh() method, so off we go (quack quack)
 }
 public function isFresh(ResourceInterface $resource, $timestamp)
 {
     @trigger_error('Resource checking through ResourceInterface::isFresh() is deprecated since 2.8 and will be removed in 3.0', E_USER_DEPRECATED);
     return parent::isFresh($resource, $timestamp);
     // For now, $metadata features the isFresh() method, so off we go (quack quack)
 }