leak Metrics type

node/network/bridge/src/lib.rs

@@ -47,7 +47,7 @@ mod network;
 use self::network::Network;
 
 mod metrics;
-use self::metrics::Metrics;
+pub use self::metrics::Metrics;
 
 mod errors;
 pub(crate) use self::errors::Error;

node/network/bridge/src/metrics.rs

@@ -26,6 +26,7 @@ fn peer_set_label(peer_set: PeerSet, version: ProtocolVersion) -> &'static str {
 	peer_set.get_protocol_name_static(version).unwrap_or("<internal error>")
 }
 
+#[allow(missing_docs)]
 impl Metrics {
 	pub fn on_peer_connected(&self, peer_set: PeerSet, version: ProtocolVersion) {
 		self.0.as_ref().map(|metrics| {

node/service/src/overseer.rs

@@ -52,7 +52,8 @@ pub use polkadot_collator_protocol::{CollatorProtocolSubsystem, ProtocolSide};
 pub use polkadot_dispute_distribution::DisputeDistributionSubsystem;
 pub use polkadot_gossip_support::GossipSupport as GossipSupportSubsystem;
 pub use polkadot_network_bridge::{
-	NetworkBridgeRx as NetworkBridgeRxSubsystem, NetworkBridgeTx as NetworkBridgeTxSubsystem,
+	Metrics as NetworkBridgeMetrics, NetworkBridgeRx as NetworkBridgeRxSubsystem,
+	NetworkBridgeTx as NetworkBridgeTxSubsystem,
 };
 pub use polkadot_node_collation_generation::CollationGenerationSubsystem;
 pub use polkadot_node_core_approval_voting::ApprovalVotingSubsystem;
@@ -191,7 +192,7 @@ where
 
 	let spawner = SpawnGlue(spawner);
 
-	let network_bridge_metrics = Metrics::register(registry)?;
+	let network_bridge_metrics: NetworkBridgeMetrics = Metrics::register(registry)?;
 	let builder = Overseer::builder()
 		.network_bridge_tx(NetworkBridgeTxSubsystem::new(
 			network_service.clone(),