Context: How does \Magento\Eav\Model\ResourceModel\ReadHandler::execute() work?
\Magento\Eav\Model\ResourceModel\ReadHandler::execute()
Details: How does \Magento\Framework\EntityManager\MetadataPool::getMetadata() work?
\Magento\Framework\EntityManager\MetadataPool::getMetadata()
Details: How does \Magento\Store\Model\StoreScopeProvider::getContext() work?
\Magento\Store\Model\StoreScopeProvider::getContext()