public int getRowByRenderer(@NotNull ArrangementListRowDecorator renderer) {
    for (int i = 0, max = getModel().getSize(); i < max; i++) {
      if (myComponents.get(i) == renderer) {
        return i;
      }
    }
    return -1;
  }
public int getRowByRenderer(@NotNull ArrangementListRowDecorator renderer)