pub async fn build_handler_runtime(
_kv: Arc<dyn KvStore>,
_storage: Arc<dyn Storage>,
_data_dir: &Path,
_handlers_cfg: Option<&HandlersConfig>,
_messaging_override: Option<Arc<dyn Messaging>>,
_max_blob_bytes: u64,
_max_component_bytes: u64,
_deploy: &DeployStore,
_secrets_envelope: Option<Arc<dyn KeyEnvelope>>,
) -> Result<HandlerRuntime>