# System.Net.Mime

``` diff
 namespace System.Net.Mime {
     public static class MediaTypeNames {
         public static class Application {
+            public const string GZip = "application/gzip";
         }
         public static class Multipart {
+            public const string Mixed = "multipart/mixed";
+            public const string Related = "multipart/related";
         }
         public static class Text {
+            public const string EventStream = "text/event-stream";
         }
     }
 }
```

