Venukshinaradha developed a migration-focused code annotation for the wso2/carbon-apimgt repository, introducing the @UsedByMigrationClient annotation to clearly mark methods utilized by Migration Client 4.5.0. By applying this annotation across API-related Java classes, Venukshinaradha improved the maintainability and clarity of migration-specific code paths, making it easier for future audits and refactoring efforts. The work leveraged skills in API management, code annotation, and Java, addressing the need for explicit identification of migration logic within the codebase. This targeted feature enhanced the upgrade process by reducing ambiguity and risk, though the scope was limited to a single, well-defined improvement.