Github user eribeiro commented on a diff in the pull request:
https://github.com/apache/zookeeper/pull/500#discussion_r181266640
--- Diff: src/java/test/org/apache/zookeeper/server/quorum/ZabUtils.java ---
@@ -0,0 +1,140 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.zookeeper.server.quorum;
+
+import org.apache.zookeeper.PortAssignment;
+import org.apache.zookeeper.server.ServerCnxn;
+import org.apache.zookeeper.server.ServerCnxnFactory;
+import org.apache.zookeeper.server.ZKDatabase;
+import org.apache.zookeeper.server.ZooKeeperServer;
+import org.apache.zookeeper.server.persistence.FileTxnSnapLog;
+import org.apache.zookeeper.server.quorum.flexible.QuorumMaj;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.net.InetSocketAddress;
+import java.util.HashMap;
+
+public class ZabUtils {
+ public static final int SYNC_LIMIT = 2;
+
--- End diff --
If this is a helper class that doesn't require instantiation then create a
private constructor: this makes it "final" and prevents instantiation.
---