net481 
namespace System.Net.Http.Formatting
{
    public class XmlMediaTypeFormatter : MediaTypeFormatter
    {
        public override Task WriteToStreamAsync(Type type, object value, Stream writeStream, HttpContent content, TransportContext transportContext, CancellationToken cancellationToken);
    }
}
.NET Framework
4.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
Information specific to net481
Assembly

System.Net.Http.Formatting , Version=6.0.0.0, PublicKeyToken=31bf3856ad364e35

Referencing

Your project needs a package reference to Microsoft.AspNet.WebApi.Client.

Package Microsoft.AspNet.WebApi.Client (6.0.0) net45
Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API