2415 const Value& Value::nullRef = null;  member in Json::Value
3309   ObjectValues::value_type defaultValue(key, nullRef);  in operator []()
3326     return nullRef;  in operator []()
3330     return nullRef;  in operator []()
3364   ObjectValues::value_type defaultValue(actualKey, nullRef);  in resolveReference()
3384   ObjectValues::value_type defaultValue(actualKey, nullRef);  in resolveReference()
3392   return value == &nullRef ? defaultValue : *value;  in get()
3411   if (!found) return nullRef;  in operator []()
3417   if (!found) return nullRef;  in operator []()
3440   if (!found) return nullRef;  in operator []()
3488     return nullRef;  in removeMember()
3875       if (node == &Value::nullRef) {  in resolve()
3896       if (node == &Value::nullRef)  in resolve()