During April 2025, Andreas Möller enhanced annotation handling in the PHP-CS-Fixer/PHP-CS-Fixer repository by extending the GlobalNamespaceImportFixer to analyze and fix additional annotation types, including extends, implements, and param-out. He approached this by refactoring PHP code to support more complex type hints and generic types, ensuring that import resolution works reliably in larger codebases. Andreas supplemented these changes with comprehensive tests, focusing on robust coverage for the new annotation scenarios. His work demonstrated depth in PHP development, code refactoring, and testing, resulting in improved code quality and maintainability for projects relying on advanced annotation import handling.