@Override
  public boolean isCollapsedByDefault(@NotNull FoldingDescriptor foldingDescriptor) {
    FoldingBuilder builder = ((FoldingDescriptorWrapper) foldingDescriptor).myBuilder;
    return mayUseBuilder(foldingDescriptor.getElement(), builder) && builder.isCollapsedByDefault(foldingDescriptor);
  }
@Override
  public boolean isCollapsedByDefault(@NotNull FoldingDescriptor foldingDescriptor)