Refactor multimap streams to avoid blocking iteration on initialization

Change-Id: I6a357b37e85808972267ef2daf5328fd5035aac4
diff --git a/lib/deps.json b/lib/deps.json
index c8c8512..a0be46d 100644
--- a/lib/deps.json
+++ b/lib/deps.json
@@ -116,7 +116,7 @@
     "aopalliance-repackaged": "mvn:org.glassfish.hk2.external:aopalliance-repackaged:2.5.0-b42",
     "amqp-client": "mvn:com.rabbitmq:amqp-client:jar:3.6.1",
     "asm": "mvn:org.ow2.asm:asm:5.0.4",
-    "atomix": "mvn:io.atomix:atomix:2.0.22",
+    "atomix": "mvn:io.atomix:atomix:2.0.23",
     "commons-codec": "mvn:commons-codec:commons-codec:1.10",
     "commons-cli": "mvn:commons-cli:commons-cli:1.3",
     "commons-collections": "mvn:commons-collections:commons-collections:3.2.2",