@Override
  public void fromDataPre_GFE_9_0_0_0(DataInput in,
      DeserializationContext context)
      throws IOException, ClassNotFoundException {
    memberIdentifier.fromDataPre_GFE_9_0_0_0(in, context);
    durableClientAttributes = null;
  }
Returns this client member's durable attributes or null if no durable attributes were created.
geode-core/src/main/java/org/apache/geode/distributed/internal/membership/InternalDistributedMember.java