@SuppressWarnings("unused") // used for serialization
  public void toDataPre_GEODE_1_9_0_0(DataOutput out, SerializationContext context)
      throws IOException {
    DataSerializer.writePrimitiveInt((int) numOfGets, out);
    DataSerializer.writePrimitiveInt((int) numOfPuts, out);
    DataSerializer.writePrimitiveInt((int) numOfMisses, out);
    DataSerializer.writePrimitiveInt(numOfCacheListenerCalls, out);
    DataSerializer.writePrimitiveInt(numOfThreads, out);
    DataSerializer.writePrimitiveInt(cpus, out);
    DataSerializer.writePrimitiveLong(processCpuTime, out);
    DataSerializer.writeDate(updateTime, out);
    DataSerializer.writeHashMap((poolStats), out);
  }
This method sets the CPU time used by the process (in nanoseconds).

@param processCpuTime CPU time used by the process (in nanoseconds)
geode-core/src/main/java/org/apache/geode/internal/admin/remote/ClientHealthStats.java