QPDFPageObjectHelper::filterPageContents(
    QPDFObjectHandle::TokenFilter* filter,
    Pipeline* next)
{
    this->oh.filterPageContents(filter, next);
}
QPDFPageObjectHelper::filterPageContents(
    QPDFObjectHandle::TokenFilter* filter,
    Pipeline* next)
{
    this->oh.filterPageContents(filter, next);
}