public function isStored($path, $filter, $resolver = null)
    {
        return $this->getResolver($filter, $resolver)->isStored($path, $filter);
    }
public function isStored($path, $filter, $resolver = null)
    {
        return $this->getResolver($filter, $resolver)->isStored($path, $filter);
    }
public function isStored ( $ path , $ filter , $ resolver = null ) { return $ this -> getResolver ( $ filter , $ resolver ) -> isStored ( $ path , $ filter ) ; }
Checks whether the path is already stored within the respective Resolver.

@param string $path
@param string $filter
@param string $resolver

@return bool
Checks whether the path is already stored within the respective Resolver .