Can not override MagentoBundleModelProductType.php in magento2


issue with _construct method:

this is my di.xml:

<?xml version="1.0"?>
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
<preference for="MagentoBundleModelProductType" type="VendorProductOptionMsgModelProductType" />
</config>

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