Fix event classes member access modifiers to match package-private usage

Change-Id: Icf5aa96a53e83ff7b317af471b0d546b4ce5a917
diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/RefReplicatedEvent.java b/src/main/java/com/googlesource/gerrit/plugins/replication/RefReplicatedEvent.java
index 8da1d0c..a1c5596 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/RefReplicatedEvent.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/RefReplicatedEvent.java
@@ -25,11 +25,11 @@
 public class RefReplicatedEvent extends RefEvent {
   static final String TYPE = "ref-replicated";
 
-  public final String project;
-  public final String ref;
-  public final String targetNode;
-  public final String status;
-  public final Status refStatus;
+  final String project;
+  final String ref;
+  final String targetNode;
+  final String status;
+  final Status refStatus;
 
   public RefReplicatedEvent(String project, String ref, String targetNode,
       RefPushResult status, RemoteRefUpdate.Status refStatus) {
diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/RefReplicationDoneEvent.java b/src/main/java/com/googlesource/gerrit/plugins/replication/RefReplicationDoneEvent.java
index cde3e9e..90595b3 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/RefReplicationDoneEvent.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/RefReplicationDoneEvent.java
@@ -20,9 +20,9 @@
 public class RefReplicationDoneEvent extends RefEvent {
   static final String TYPE = "ref-replication-done";
 
-  public final String project;
-  public final String ref;
-  public final int nodesCount;
+  final String project;
+  final String ref;
+  final int nodesCount;
 
   public RefReplicationDoneEvent(String project, String ref, int nodesCount) {
     super(TYPE);