From 2414f11a166c7955bc3561f6c33bc33419a1d052 Mon Sep 17 00:00:00 2001
From: Collin Alpert <collinalpert@gmail.com>
Date: Mon, 17 Jun 2024 15:14:18 +0200
Subject: [PATCH] Add MediaTypeNames

---
 src/libraries/System.Net.Mail/ref/System.Net.Mail.cs |  4 ++++
 .../src/System/Net/Mime/MediaTypeNames.cs            | 12 ++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/libraries/System.Net.Mail/ref/System.Net.Mail.cs b/src/libraries/System.Net.Mail/ref/System.Net.Mail.cs
index 6062637ecd4a4..c86ac55a79b3b 100644
--- a/src/libraries/System.Net.Mail/ref/System.Net.Mail.cs
+++ b/src/libraries/System.Net.Mail/ref/System.Net.Mail.cs
@@ -325,6 +325,7 @@ public static partial class MediaTypeNames
         public static partial class Application
         {
             public const string FormUrlEncoded = "application/x-www-form-urlencoded";
+            public const string GZip = "application/gzip";
             public const string Json = "application/json";
             public const string JsonPatch = "application/json-patch+json";
             public const string JsonSequence = "application/json-seq";
@@ -366,11 +367,14 @@ public static partial class Multipart
         {
             public const string ByteRanges = "multipart/byteranges";
             public const string FormData = "multipart/form-data";
+            public const string Mixed = "multipart/mixed";
+            public const string Related = "multipart/related";
         }
         public static partial class Text
         {
             public const string Css = "text/css";
             public const string Csv = "text/csv";
+            public const string EventStream = "text/event-stream";
             public const string Html = "text/html";
             public const string JavaScript = "text/javascript";
             public const string Markdown = "text/markdown";
diff --git a/src/libraries/System.Net.Mail/src/System/Net/Mime/MediaTypeNames.cs b/src/libraries/System.Net.Mail/src/System/Net/Mime/MediaTypeNames.cs
index 859cd8e78d075..c7e43cba812cb 100644
--- a/src/libraries/System.Net.Mail/src/System/Net/Mime/MediaTypeNames.cs
+++ b/src/libraries/System.Net.Mail/src/System/Net/Mime/MediaTypeNames.cs
@@ -11,6 +11,9 @@ public static class Application
             /// <summary>Specifies that the <see cref="MediaTypeNames.Application"/> data consists of url-encoded key-value pairs.</summary>
             public const string FormUrlEncoded = "application/x-www-form-urlencoded";
 
+            /// <summary>Specifies that the <see cref="MediaTypeNames.Application"/> data is in gzip format.</summary>
+            public const string GZip = "application/gzip";
+
             /// <summary>Specifies that the <see cref="MediaTypeNames.Application"/> data is in JSON format.</summary>
             public const string Json = "application/json";
 
@@ -118,6 +121,12 @@ public static class Multipart
 
             /// <summary>Specifies that the <see cref="MediaTypeNames.Multipart"/> data is in form data format.</summary>
             public const string FormData = "multipart/form-data";
+
+            /// <summary>Specifies that the <see cref="MediaTypeNames.Multipart"/> data is in mixed format.</summary>
+            public const string Mixed = "multipart/mixed";
+
+            /// <summary>Specifies that the <see cref="MediaTypeNames.Multipart"/> data is in related format.</summary>
+            public const string Related = "multipart/related";
         }
 
         /// <summary>Specifies the kind of text data in an email message attachment.</summary>
@@ -129,6 +138,9 @@ public static class Text
             /// <summary>Specifies that the <see cref="MediaTypeNames.Text"/> data is in CSV format.</summary>
             public const string Csv = "text/csv";
 
+            /// <summary>Specifies that the <see cref="MediaTypeNames.Text"/> data is in event stream format.</summary>
+            public const string EventStream = "text/event-stream";
+
             /// <summary>Specifies that the <see cref="MediaTypeNames.Text"/> data is in HTML format.</summary>
             public const string Html = "text/html";