+ sb.append(']');
+
+ return sb.toString();
+ }
+
+ @VisibleForTesting
+ public FollowerLogInformation getFollower(String followerId) {
+ return followerToLog.get(followerId);
+ }
+
+ @VisibleForTesting
+ protected void setFollowerSnapshot(String followerId, FollowerToSnapshot snapshot) {
+ mapFollowerToSnapshot.put(followerId, snapshot);
+ }
+
+ @VisibleForTesting
+ public int followerSnapshotSize() {
+ return mapFollowerToSnapshot.size();