Function polkadot_node_subsystem_util::request_from_runtime

pub async fn request_from_runtime<RequestBuilder, Response, Sender>(
    parent: Hash,
    sender: &mut Sender,
    request_builder: RequestBuilder
) -> RuntimeApiReceiver<Response>where
    RequestBuilder: FnOnce(RuntimeApiSender<Response>) -> RuntimeApiRequest,
    Sender: SubsystemSender<RuntimeApiMessage>,

Request some data from the RuntimeApi.