ENGCOM-3243: Write intercepted mapping to generated/metadata during compilation #18648

- Fixed docblock

Author: slavvka

setup/src/Magento/Setup/Module/Di/Compiler/Config/Writer/Filesystem.php

@@ -11,6 +11,8 @@
 use Magento\Setup\Module\Di\Compiler\Config\WriterInterface;
 
 /**
+ * Class for writing DI Compiler Configuration
+ *
  * @deprecated Moved to Framework to allow broader reuse
  * @see \Magento\Framework\App\ObjectManager\ConfigWriter\Filesystem
  */