- peerAddresses = ImmutableMap.<String, String>builder()
- .put(follower1Id, follower1Actor.path().toString())
- .put(follower2Id, follower2Actor.path().toString()).build();
+ peerAddresses = Map.of(
+ follower1Id, follower1Actor.path().toString(),
+ follower2Id, follower2Actor.path().toString());