<pre>Array
(
)
Array
(
    [display] => [id,active,name,ean13,upc,reference,price,id_tax_rules_group]
    [filter] => Array
        (
            [active] => [1]
        )

)
</pre><pre>Array
(
)
Array
(
    [display] => [id,ean13,upc,reference,price,quantity,id_product]
)
</pre><pre>Array
(
)
Array
(
    [display] => [id,id_product,quantity,id_product_attribute,depends_on_stock,out_of_stock]
)
</pre><pre>Array
(
)
Array
(
    [display] => [id,active,name,ean13,upc,reference,price,id_tax_rules_group]
    [filter] => Array
        (
            [active] => [1]
        )

)
</pre>