HCOLL-387 add a way to limit hash lookup slots to 4 bytes

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

@@ -71,4 +71,9 @@ class ChronicleMapBuilderPrivateAPI<K> implements ChronicleHashBuilderPrivateAPI
     public long maxExtraTiers(boolean replicated) {
         return b.maxExtraTiers(replicated);
     }
+
+    @Override
+    public boolean aligned64BitMemoryOperationsAtomic() {
+        return b.aligned64BitMemoryOperationsAtomic();
+    }
 }