public Object putForMetaRegion(Object key, Object value, byte[] deltaBytes, EntryEventImpl event,
      Object callbackArg) {
    if (region == null) {
      return PutOp.execute(pool, regionName, key, value, deltaBytes, event,
          Operation.CREATE, false, null, callbackArg, pool.getPRSingleHopEnabled());
    } else {
      return PutOp.execute(pool, region, key, value, deltaBytes, event, Operation.CREATE,
          false, null, callbackArg, pool.getPRSingleHopEnabled());
    }
  }
Do not call this method if the value is Delta instance. Exclicitly passing
<code>Operation.CREATE</code> to the <code>PutOp.execute()</code> method as the caller of this
method does not put Delta instances as value.
geode-core/src/main/java/org/apache/geode/cache/client/internal/ServerRegionProxy.java