{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"self.typeck_results.borrow_mut().used_trait_imports.insert(import_id);"}]}
            self.typeck_results.borrow_mut().used_trait_imports.insert(import_id);
            debug!("used_trait_import: {:?}", import_id);
        }