fixed builder serialization issue

src/main/java/net/openhft/chronicle/hash/replication/ReplicationChannel.java

@@ -20,6 +20,8 @@ import net.openhft.chronicle.hash.ChronicleHash;
 import net.openhft.chronicle.hash.ChronicleHashInstanceConfig;
 import org.jetbrains.annotations.NotNull;
 
+import java.io.Serializable;
+
 /**
  * A token which should be created via {@link ReplicationHub#createChannel(int)} call and passed to {@link
  * ChronicleHashInstanceConfig#replicatedViaChannel(ReplicationChannel)} method, to establish a channel
@@ -31,7 +33,7 @@ import org.jetbrains.annotations.NotNull;
  * @see ReplicationHub
  * @see ReplicationHub#createChannel(int)
  */
-public final class ReplicationChannel {
+public final class ReplicationChannel implements Serializable{
     private ReplicationHub hub;
     private final int channelId;
 

src/main/java/net/openhft/chronicle/map/ChronicleMapBuilder.java

@@ -99,7 +99,7 @@ import static net.openhft.lang.model.DataValueGenerator.firstPrimitiveFieldType;
  * @see ChronicleSetBuilder
  */
 public final class ChronicleMapBuilder<K, V> implements Cloneable,
-        ChronicleHashBuilder<K, ChronicleMap<K, V>, ChronicleMapBuilder<K, V>> {
+        ChronicleHashBuilder<K, ChronicleMap<K, V>, ChronicleMapBuilder<K, V>>, Serializable {
 
     static final byte UDP_REPLICATION_MODIFICATION_ITERATOR_ID = (byte)128;
     private static final int DEFAULT_KEY_OR_VALUE_SIZE = 120;

src/main/java/net/openhft/chronicle/map/MapInstanceConfig.java

@@ -23,10 +23,11 @@ import net.openhft.chronicle.hash.replication.TcpTransportAndNetworkConfig;
 
 import java.io.File;
 import java.io.IOException;
+import java.io.Serializable;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 final class MapInstanceConfig<K, V>
-        implements ChronicleHashInstanceConfig<ChronicleMap<K, V>> {
+        implements ChronicleHashInstanceConfig<ChronicleMap<K, V>>, Serializable{
 
     final ChronicleMapBuilder<K, V> mapBuilder;
     final SingleChronicleHashReplication singleHashReplication;

src/main/java/net/openhft/chronicle/map/ReplicationHubFindByName.java

@@ -27,7 +27,6 @@ import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.io.IOException;
-import java.io.Serializable;
 import java.util.Map;
 import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -83,7 +82,7 @@ class ReplicationHubFindByName<K> implements FindByName {
 
         this.map = (Map) ChronicleMapBuilder
                 .of(CharSequence.class, MapInstanceConfig.class)
-                .entrySize(3000)
+                .entrySize(4000)
                 .entries(128)
                 .eventListener(listener)
                 .instance()