public abstract static class Builder {
    private static Builder builder() {
        return new AutoValue_Object.Builder();
    }

    abstract ImmutableSortedSet.Builder<ComparableObject> pointsBuilder();

    public abstract Builder setPoints(final ImmutableList<ComparableObject> points);

    public Builder addPoint(final ComparableObject point) {
        pointsBuilder().add(point);
        return this;
    }
    
    public abstract Object build();
}