@Nullable
  @Override
  protected Navigatable getNavigatable() {
    Navigatable navigatable1 = getCurrentSide().select(getRequest().getContents()).getNavigatable();
    if (navigatable1 != null) return navigatable1;
    return getCurrentSide().other().select(getRequest().getContents()).getNavigatable();
  }
@Nullable
  @Override
  protected Navigatable getNavigatable()