Interface
MapperInterface
Magento\Config\Model\Config\Structure\MapperInterface
What it does
This interface defines a contract for mappers that transform system configuration data structures in Magento 2.
Developers implement this interface when they need to modify or restructure configuration arrays during the processing of system.xml files, such as adding default values, restructuring nodes, or applying transformations to configuration data before it's used by the system.
Public Methods
- map()