+ // Look up maps to speed things up
+
+ // key = memberName, value = list of shardNames
+ private final Map<String, List<String>> memberShardNames = new HashMap<>();
+
+ // key = shardName, value = list of replicaNames (replicaNames are the same as memberNames)
+ private final Map<String, List<String>> shardReplicaNames = new HashMap<>();
+
+
+ public ConfigurationImpl(final String moduleShardsConfigPath,