#include "third_party/blink/renderer/core/html/forms/option_list.h"
#include "third_party/blink/renderer/core/dom/element_traversal.h"
#include "third_party/blink/renderer/core/html/forms/html_data_list_element.h"
#include "third_party/blink/renderer/core/html/forms/html_opt_group_element.h"
#include "third_party/blink/renderer/core/html/forms/html_option_element.h"
#include "third_party/blink/renderer/core/html/forms/html_select_element.h"
namespace blink {
void OptionListIterator::Advance(HTMLOptionElement* previous) { … }
}