{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"ItemContainerId::ImplId(it)"}]}
            ItemContainerId::ImplId(it) => Some(it.into()),
        let parent_id: Option<GenericDefId> = match self.id.lookup(db).container {
            ItemContainerId::TraitId(it) => Some(it.into()),