@Override
    public void fromData(DataInput in,
        DeserializationContext context) throws IOException, ClassNotFoundException {
      super.fromData(in, context);
      isPrimary = in.readBoolean();
      isHosting = in.readBoolean();
      isInitializing = in.readBoolean();
    }
True if the bucket has been removed from this host. (
geode-core/src/main/java/org/apache/geode/internal/cache/BucketAdvisor.java