RateCollectorInterface
Magento\Quote\Model\Quote\Address\RateCollectorInterface
What it does
This interface defines a contract for collecting shipping rates during the checkout process.
Developers implement this interface when creating custom shipping rate collectors that need to gather and process shipping method rates based on quote address information.
It's typically used by shipping carriers or custom shipping modules to integrate their rate calculation logic into Magento's quote system.
Public Methods
- collectRates()