416 …const bool keep = callback(static_cast<int>(ref_stack.size()), parse_event_t::object_start, discar…  in start_object()  local
417         keep_stack.push_back(keep);  in start_object()
436         const bool keep = callback(static_cast<int>(ref_stack.size()), parse_event_t::key, k);  in key()  local
437         key_keep_stack.push_back(keep);  in key()
440         if (keep && ref_stack.back())  in key()
486 …const bool keep = callback(static_cast<int>(ref_stack.size()), parse_event_t::array_start, discard…  in start_array()  local
487         keep_stack.push_back(keep);  in start_array()
503         bool keep = true;  in end_array()  local
507 …keep = callback(static_cast<int>(ref_stack.size()) - 1, parse_event_t::array_end, *ref_stack.back(…  in end_array()
508             if (keep)  in end_array()
525         if (!keep && !ref_stack.empty() && ref_stack.back()->is_array())  in end_array()
583 …const bool keep = skip_callback || callback(static_cast<int>(ref_stack.size()), parse_event_t::val…  in handle_value()  local
586         if (!keep)  in handle_value()