internal void ToJson(JsonBuilder json)
{
// decide if the series needs more than just an array
bool hasPoints = _data.Count > 0;
if (_options != null)
{
json.WriteObject(json2 => {
_options.ToJson(json2);
if (hasPoints)
{
json2.WriteProperty("data", _data);
}
});
}
else
{
if (hasPoints)
{
json.WriteArray(_data);
}
else
{
json.WriteNull();
}
}
}
