public static async Task <ISourceNode> ReadAsync(JsonReader reader, string rootName = null, FhirJsonParsingSettings settings = null)
{
if (reader == null)
{
throw Error.ArgumentNull(nameof(reader));
}
var doc = await SerializationUtil.JObjectFromReaderAsync(reader).ConfigureAwait(false);
return(new FhirJsonNode(doc, rootName, settings));
}