cluster-sharding/src/main/scala/org/apache/pekko/cluster/sharding/protobuf/ClusterShardingMessageSerializer.scala
cluster-tools/src/main/scala/org/apache/pekko/cluster/pubsub/protobuf/DistributedPubSubMessageSerializer.scala

cluster-sharding/src/main/protobuf/ClusterShardingMessages.proto
cluster-tools/src/main/protobuf/DistributedPubSubMessages.proto

cluster-sharding/src/main/protobuf/ClusterShardingMessages.proto
cluster-tools/src/main/protobuf/ClusterClientMessages.proto

cluster-sharding/src/main/scala/org/apache/pekko/cluster/sharding/protobuf/ClusterShardingMessageSerializer.scala
cluster-tools/src/main/scala/org/apache/pekko/cluster/singleton/protobuf/ClusterSingletonMessageSerializer.scala

cluster-sharding/src/main/scala/org/apache/pekko/cluster/sharding/protobuf/ClusterShardingMessageSerializer.scala
cluster-tools/src/main/scala/org/apache/pekko/cluster/client/protobuf/ClusterClientMessageSerializer.scala

cluster-sharding/src/multi-jvm/scala/org/apache/pekko/cluster/sharding/ClusterShardingSpec.scala
cluster-tools/src/multi-jvm/scala/org/apache/pekko/cluster/singleton/ClusterSingletonManagerChaosSpec.scala

cluster-sharding/src/multi-jvm/scala/org/apache/pekko/cluster/sharding/ClusterShardingSpec.scala
cluster-tools/src/multi-jvm/scala/org/apache/pekko/cluster/singleton/ClusterSingletonManagerSpec.scala