protected Task WriteElementExtensionsAsync(XmlWriter writer, SyndicationCategory category, string version)
 {
     return(SyndicationFeedFormatter.WriteElementExtensionsAsync(writer, category, version));
 }
 protected Task WriteElementExtensionsAsync(XmlWriter writer, SyndicationPerson person, string version)
 {
     return(SyndicationFeedFormatter.WriteElementExtensionsAsync(writer, person, version));
 }
 protected static async Task WriteElementExtensionsAsync(XmlWriter writer, SyndicationItem item, string version)
 {
     await SyndicationFeedFormatter.WriteElementExtensionsAsync(writer, item, version);
 }