documentation/framework_2_config_2_converter_interface_8php_source.html

 <?php
 namespace Magento\Framework\Config;

 interface ConverterInterface
 {
     public function convert($source);
 }
$source
$source
Definition: source.php:23

Magento\Framework\Config\ConverterInterface\convert
convert($source)

Magento\Framework\Config
Definition: AbstractXml.php:10

Magento\Framework\Config\ConverterInterface
Definition: ConverterInterface.php:14