class DoubleBarrierOptionFunctionProvider extends BarrierOptionFunctionProvider {

  public double getLowerBarrier() {
    return super.getBarrier();
  }

  public  DoubleBarrierOptionFunctionProvider(final double strike, final double timeToExpiry, final int steps, final boolean isCall, final double lowerBarrier, final double upperBarrier,
      final BarrierTypes typeName);

}