Function cumulus_relay_chain_minimal_node::build_minimal_relay_chain_node_with_rpc

pub async fn build_minimal_relay_chain_node_with_rpc(
    relay_chain_config: Configuration,
    parachain_prometheus_registry: Option<&Registry>,
    task_manager: &mut TaskManager,
    relay_chain_url: Vec<Url>,
) -> RelayChainResult<(Arc<dyn RelayChainInterface + 'static>, Option<CollatorPair>)>