internal static protected void WriteElementExtensions(XmlWriter writer, SyndicationFeed feed, string version)
{
if (feed == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("feed");
}
feed.WriteElementExtensions(writer, version);
}
internal static protected void WriteElementExtensions(XmlWriter writer, SyndicationFeed feed, string version)
{
if (feed == null)
{
throw new ArgumentNullException(nameof(feed));
}
feed.WriteElementExtensions(writer, version);
}
protected internal static void WriteElementExtensions(XmlWriter writer, SyndicationFeed feed, string version)
{
if (feed == null)
throw new ArgumentNullException ("feed");
feed.WriteElementExtensions (writer, version);
}