this.primaryShardActor = requireNonNull(primaryShardActor);
this.primaryShardVersion = primaryShardVersion;
this.localShardDataTree = requireNonNull(localShardDataTree);
this.primaryShardActor = requireNonNull(primaryShardActor);
this.primaryShardVersion = primaryShardVersion;
this.localShardDataTree = requireNonNull(localShardDataTree);