@Override
  public void fromData(DataInput in,
      DeserializationContext context) throws IOException, ClassNotFoundException {
    super.fromData(in, context);
    int size = in.readInt();
    missingIds = new HashSet<>(size);
    for (int i = 0; i < size; i++) {
      PersistentMemberPattern pattern = new PersistentMemberPattern();
      InternalDataSerializer.invokeFromData(pattern, in);
      missingIds.add(pattern);
    }
    size = in.readInt();
    localIds = new HashSet<>(size);
    for (int i = 0; i < size; i++) {
      PersistentMemberPattern pattern = new PersistentMemberPattern();
      InternalDataSerializer.invokeFromData(pattern, in);
      localIds.add(pattern);
    }
  }
The MissingPersistentIdResonse we return 662 peers. This response includes this list of ids that
we have locally.
geode-core/src/main/java/org/apache/geode/internal/admin/remote/MissingPersistentIDsResponse.java