public function getCustomSorting(string $className, string $name): ?SortingInterface
    {
        $this->fillCache($className);

        return $this->customSortings[$className][$name] ?? null;
    }
public function getCustomSorting(string $className, string $name): ?SortingInterface
    {
        $this->fillCache($className);

        return $this->customSortings[$className][$name] ?? null;
    }
public function getCustomSorting ( string $ className , string $ name ) : ? SortingInterface { $ this -> fillCache ( $ className ) ; return $ this -> customSortings [ $ className ] [ $ name ] ?? null ; }
Get instance of custom sorting for the given entity and sorting name

@param string $className
@param string $name

@return null|SortingInterface
Get instance of custom sorting for the given entity and sorting name