> +
> +import java.util.List;
> +
> +import org.jclouds.javax.annotation.Nullable;
> +import org.jclouds.json.SerializedNames;
> +
> +import com.google.auto.value.AutoValue;
> +
> +@AutoValue
> +public abstract class Node {
> +
> +     public abstract int createdIndex();
> +     
> +     public abstract boolean dir();
> +     
> +     @Nullable public abstract List<Node> nodes();

Can we make this non-nullable? We should use empty lists instead of null ones 
where possible.

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