FileNamingResolver\NamingStrategy\CallbackNamingStrategy::getCallback PHP Метод

    public function getCallback()
    {
        return $this->callback;
    }

 public function testGetFunc()
 {
     $func = function (FileInfo $fileInfo) {
         return $fileInfo->toString();
     };
     $strategy = new CallbackNamingStrategy($func);
     $this->assertSame($func, $strategy->getCallback());
 }