public static function queryByType( $parentId, $parentType, $type = ModelComment::TYPE_COMMENT, $config = [] ) {

		//$type	= isset( $config[ 'type' ] ) ? $config[ 'type' ] : self::TYPE_COMMENT;
		$status	= isset( $config[ 'status' ] ) ? $config[ 'status' ] : self::STATUS_APPROVED;

		return self::queryByParent( $parentId, $parentType, $config )->andWhere( [ 'type' => $type, 'status' => $status ] );
	}