Использование D7 autoload и namespace

<?
namespace SomePartner\MyBooksCatalog;

use Bitrix\Main\Entity;

class BookTable extends Entity\DataManager
{
    public static function getTableName()
    {
        return 'my_book';
    }
    
    public static function getUfId()
    {
        return 'MY_BOOK';
    }

    public static function getMap()
    {
        return array(
            new Entity\IntegerField('ID', array(
                'primary' => true,
                'autocomplete' => true
            )),
            new Entity\StringField('ISBN', array(
                'required' => true,
                'column_name' => 'ISBNCODE'
            )),
            new Entity\StringField('TITLE'),
            new Entity\DateField('PUBLISH_DATE')
        );
    }
} 

\Bitrix\Main\Loader::includeModule('somepartner.mybookscatalog');
echo SomePartner\MyBooksCatalog\BookTable::getTableName();

use Bitrix\Main\Loader;
use Bitrix\Main\Localization\Loc;

Loc::loadMessages(__FILE__);

Loader::registerAutoLoadClasses(
   'miza.obsee',
   array(
      "basa_miza" => "classes/general/basa.php",      
   )
);

namespace Miza\Obsee;
//IncludeModuleLangFile(__FILE__);
use Bitrix\Main;
use Bitrix\Main\Localization\Loc;

Loc::loadMessages(__FILE__);

class basa_miza
{
function xxx($ee){ echo $ee;}
}

use Bitrix\Main\Loader;
CModule::IncludeModule("miza.obsee");
//use Miza\Obsee;
//\Bitrix\Main\Loader::IncludeModule("miza.obsee");
//use Miza\Obsee;
basa_miza::xxx($_SERVER["DOCUMENT_ROOT"]);