pub unsafe extern "C" fn poppler_structure_element_get_ruby_position(
poppler_structure_element: *mut PopplerStructureElement,
) -> PopplerStructureRubyPosition
pub unsafe extern "C" fn poppler_structure_element_get_ruby_position(
poppler_structure_element: *mut PopplerStructureElement,
) -> PopplerStructureRubyPosition