src/KGzocha/Searcher/Criteria/Adapter/ImmutablePaginationAdapter.php
public function setItemsPerPage(int $itemsPerPage = null)
    {
        return $this
            ->pagination
            ->setItemsPerPage(
                $this->pagination->getItemsPerPage()
            );
    }
public function setItemsPerPage(int $itemsPerPage = null)
    {
        return $this
            ->pagination
            ->setItemsPerPage(
                $this->pagination->getItemsPerPage()
            );
    }
public function setItemsPerPage ( int $ itemsPerPage = null ) { return $ this -> pagination -> setItemsPerPage ( $ this -> pagination -> getItemsPerPage ( ) ) ; }
This method will not allow to change items per page.
On each call it will set the same value.

{@inheritdoc}
This method will not allow to change items per page . On each call it will set the same value .