public function orderByDesc(string $columnName) : OneToManyRelationDefiner
    {
        $this->orderByColumnNameDirectionMap[$columnName] = Ordering::DESC;

        return $this;
    }
public function orderByDesc(string $columnName) : OneToManyRelationDefiner
    {
        $this->orderByColumnNameDirectionMap[$columnName] = Ordering::DESC;

        return $this;
    }
public function orderByDesc ( string $ columnName ) : OneToManyRelationDefiner { $ this -> orderByColumnNameDirectionMap [ $ columnName ] = Ordering :: DESC ; return $ this ; }
Defines the one-to-many relation to load the collection
ordered by the supplied column descendingly.

@param string $columnName

@return OneToManyRelationDefiner
Defines the one - to - many relation to load the collection ordered by the supplied column descendingly .