monoandroid 
namespace System.ServiceModel.Syndication
{
    [DataContract]
    public abstract class ServiceDocumentFormatter
    {
        public abstract string Version { get; }
    }
}
.NET
5.06.07.08.09.011.0
.NET Core
2.02.12.23.03.1
.NET Framework
3.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard
2.02.1
Information specific to monoandroid
Assembly

System.ServiceModel.Syndication , Version=11.0.0.0, PublicKeyToken=cc7b13ffcd2ddd51

Referencing

Your project needs a package reference to System.ServiceModel.Syndication.

Package System.ServiceModel.Syndication (11.0.0) netstandard2.0
Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API