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ResourceModel\Helper

Magento\Catalog\Model\ResourceModel\Helper

What it does

This class serves as a specialized resource helper for Catalog module database operations, extending the base EAV resource helper.

Developers use this when performing complex database queries related to catalog entities (products, categories) that require specific MySQL optimizations or EAV attribute handling.

It automatically sets the module prefix to 'Magento_Catalog' for proper resource identification.