# Microsoft.Net.Http.Headers

``` diff
 namespace Microsoft.Net.Http.Headers {
     public static class HeaderNames {
-        public static readonly string Authority;
+        [ObsoleteAttribute("This is obsolete and will be removed in a future version. Header dictionaries do not contain this key.", false)]
+        public static readonly string Authority;
-        public static readonly string Method;
+        [ObsoleteAttribute("This is obsolete and will be removed in a future version. Header dictionaries do not contain this key.", false)]
+        public static readonly string Method;
-        public static readonly string Path;
+        [ObsoleteAttribute("This is obsolete and will be removed in a future version. Header dictionaries do not contain this key.", false)]
+        public static readonly string Path;
-        public static readonly string Scheme;
+        [ObsoleteAttribute("This is obsolete and will be removed in a future version. Header dictionaries do not contain this key.", false)]
+        public static readonly string Scheme;
-        public static readonly string Status;
+        [ObsoleteAttribute("This is obsolete and will be removed in a future version. Header dictionaries do not contain this key.", false)]
+        public static readonly string Status;
     }
 }
```

