DaoFilteringDataSource dataSource = new DaoFilteringDataSource();
dataSource.setDao( repos().get( "Specialty" ));
// Resolve the CRUD crudController for the entity to be affected by the
// auto-complete selected value.
CrudOperations controller = cruds().get("Employee").getController();
// Create the auto-complete crudController.
// Arguments are:
// sourceClass -
// the class of the entity containing the source value property.