diff --git a/source/Utils/PeanutButter.Utils/MimeType.cs b/source/Utils/PeanutButter.Utils/MimeType.cs
index 1eaec684e2..2b4220e96d 100644
--- a/source/Utils/PeanutButter.Utils/MimeType.cs
+++ b/source/Utils/PeanutButter.Utils/MimeType.cs
@@ -24,7 +24,12 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using PeanutButter.Utils;
+
+#if BUILD_PEANUTBUTTER_INTERNAL
+namespace Imported.PeanutButter.Utils;
+#else
+namespace PeanutButter.Utils;
+#endif
 
 /// <summary>
 /// Kept to maintain legacy code
@@ -68,7 +73,7 @@ public static bool TryGuessExtensionForMimeType(
         string mimeType,
         out string extension
     ) => MimeType.TryGuessExtensionForMimeType(mimeType, out extension);
-    
+
     /// <summary>
     /// Returns true for all text mime types:
     /// text/*
@@ -80,2252 +85,2244 @@ out string extension
     // ReSharper disable once InconsistentNaming
     public static bool IsTextMIMEType(this string mimeType)
         => mimeType.IsTextMimeType();
-
 }
 
+/// <summary>
+/// Provides a mechanism for guessing the MIME type of a file
+/// by its extension. Of course, this isn't perfect - magic bytes
+/// are probably more reliable - but also more effort.
+/// This code is largely copied from https://github.com/samuelneff/MimeTypeMap/blob/master/MimeTypeMap.cs
+/// The code in this file is licensed under the
+/// </summary>
+// ReSharper disable once InconsistentNaming
 #if BUILD_PEANUTBUTTER_INTERNAL
-namespace Imported.PeanutButter.Utils
+    internal
 #else
-namespace PeanutButter.Utils
+public
 #endif
+    static class MimeType
 {
+    private const string DEFAULT_MIME_TYPE = "application/octet-stream";
+
     /// <summary>
-    /// Provides a mechanism for guessing the MIME type of a file
-    /// by its extension. Of course, this isn't perfect - magic bytes
-    /// are probably more reliable - but also more effort.
-    /// This code is largely copied from https://github.com/samuelneff/MimeTypeMap/blob/master/MimeTypeMap.cs
-    /// The code in this file is licensed under the
+    /// A list of all known file extensions for MIMEType
     /// </summary>
-    // ReSharper disable once InconsistentNaming
-#if BUILD_PEANUTBUTTER_INTERNAL
-    internal
-#else
-    public
-#endif
-        static class MimeType
-    {
-        private const string DEFAULT_MIME_TYPE = "application/octet-stream";
+    public static string[] KnownFileExtensions =>
+        _knownFileExtensions ??= ExtensionToMimeTypeMappings.Keys.ToArray();
 
-        /// <summary>
-        /// A list of all known file extensions for MIMEType
-        /// </summary>
-        public static string[] KnownFileExtensions =>
-            _knownFileExtensions ??= ExtensionToMimeTypeMappings.Keys.ToArray();
-
-        /// <summary>
-        /// A list of all known MIME types for MIMEType
-        /// </summary>
-        public static string[] KnownMimeTypes =>
-            _knownMimeTypes ??= new HashSet<string>(ExtensionToMimeTypeMappings.Values)
-                .ToArray();
+    /// <summary>
+    /// A list of all known MIME types for MIMEType
+    /// </summary>
+    public static string[] KnownMimeTypes =>
+        _knownMimeTypes ??= new HashSet<string>(ExtensionToMimeTypeMappings.Values)
+            .ToArray();
 
-        private static string[] _knownFileExtensions;
-        private static string[] _knownMimeTypes;
+    private static string[] _knownFileExtensions;
+    private static string[] _knownMimeTypes;
 
 
-        /// <summary>
-        /// Tries to get the type of the MIME from the provided string.
-        /// </summary>
-        /// <param name="fileNameOrExtension">The filename or extension.</param>
-        /// <returns>The MIME type.</returns>
-        /// <exception cref="ArgumentNullException" />
-        public static string GuessForFileName(string fileNameOrExtension)
+    /// <summary>
+    /// Tries to get the type of the MIME from the provided string.
+    /// </summary>
+    /// <param name="fileNameOrExtension">The filename or extension.</param>
+    /// <returns>The MIME type.</returns>
+    /// <exception cref="ArgumentNullException" />
+    public static string GuessForFileName(string fileNameOrExtension)
+    {
+        if (fileNameOrExtension is null)
         {
-            if (fileNameOrExtension is null)
-            {
-                throw new ArgumentNullException(nameof(fileNameOrExtension));
-            }
-
-            if (fileNameOrExtension.IndexOf('.') == -1)
-            {
-                return ExtensionToMimeTypeMappings.TryGetValue(fileNameOrExtension, out var mapped)
-                    ? mapped
-                    : DEFAULT_MIME_TYPE;
-            }
+            throw new ArgumentNullException(nameof(fileNameOrExtension));
+        }
 
-            var ext = fileNameOrExtension.Trim().Split('.').Last();
-            return ExtensionToMimeTypeMappings.TryGetValue(ext, out var mimeType)
-                ? mimeType
+        if (fileNameOrExtension.IndexOf('.') == -1)
+        {
+            return ExtensionToMimeTypeMappings.TryGetValue(fileNameOrExtension, out var mapped)
+                ? mapped
                 : DEFAULT_MIME_TYPE;
         }
 
+        var ext = fileNameOrExtension.Trim().Split('.').Last();
+        return ExtensionToMimeTypeMappings.TryGetValue(ext, out var mimeType)
+            ? mimeType
+            : DEFAULT_MIME_TYPE;
+    }
 
-        /// <summary>
-        /// Gets the extension from the provided MINE type.
-        /// </summary>
-        /// <param name="mimeType">Type of the MIME.</param>
-        /// <param name="extension">The resolved extension, if found.</param>
-        /// <exception cref="ArgumentNullException" />
-        /// <exception cref="ArgumentException" />
-        public static bool TryGuessExtensionForMimeType(
-            string mimeType,
-            out string extension
-        )
-        {
-            if (mimeType is null)
-            {
-                throw new ArgumentNullException(nameof(mimeType));
-            }
-
-            if (MimeTypeToExtensionMappings.TryGetValue(mimeType, out var resolved))
-            {
-                extension = $".{resolved}";
-                return true;
-            }
 
-            extension = default;
-            return false;
+    /// <summary>
+    /// Gets the extension from the provided MINE type.
+    /// </summary>
+    /// <param name="mimeType">Type of the MIME.</param>
+    /// <param name="extension">The resolved extension, if found.</param>
+    /// <exception cref="ArgumentNullException" />
+    /// <exception cref="ArgumentException" />
+    public static bool TryGuessExtensionForMimeType(
+        string mimeType,
+        out string extension
+    )
+    {
+        if (mimeType is null)
+        {
+            throw new ArgumentNullException(nameof(mimeType));
         }
 
-        /// <summary>
-        /// Returns true for all text mime types:
-        /// text/*
-        /// */xml
-        /// *+xml
-        /// </summary>
-        /// <param name="mimeType"></param>
-        /// <returns></returns>
-        public static bool IsTextMimeType(this string mimeType)
+        if (MimeTypeToExtensionMappings.TryGetValue(mimeType, out var resolved))
         {
-            return mimeType.StartsWith("text/") ||
-                mimeType.EndsWith("/xml") ||
-                mimeType.EndsWith("+xml");
+            extension = $".{resolved}";
+            return true;
         }
 
-        private static readonly IDictionary<string, string> ExtensionToMimeTypeMappings
-            = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
-            {
-                // combination of values from Windows 7 Registry and 
-                // from C:\Windows\System32\inetsrv\config\applicationHost.config
-                // some added, including .7z and .dat
-                //
-                // Some added based on http://www.iana.org/assignments/media-types/media-types.xhtml
-                // which lists mime types, but not extensions
-                //
-                {
-                    "323", "text/h323"
-                },
-                {
-                    "3g2", "video/3gpp2"
-                },
-                {
-                    "3gp", "video/3gpp"
-                },
-                {
-                    "3gp2", "video/3gpp2"
-                },
-                {
-                    "3gpp", "video/3gpp"
-                },
-                {
-                    "7z", "application/x-7z-compressed"
-                },
-                {
-                    "aa", "audio/audible"
-                },
-                {
-                    "aac", "audio/aac"
-                },
-                {
-                    "aaf", "application/octet-stream"
-                },
-                {
-                    "aax", "audio/vnd.audible.aax"
-                },
-                {
-                    "ac3", "audio/ac3"
-                },
-                {
-                    "aca", "application/octet-stream"
-                },
-                {
-                    "accda", "application/msaccess.addin"
-                },
-                {
-                    "accdb", "application/msaccess"
-                },
-                {
-                    "accdc", "application/msaccess.cab"
-                },
-                {
-                    "accde", "application/msaccess"
-                },
-                {
-                    "accdr", "application/msaccess.runtime"
-                },
-                {
-                    "accdt", "application/msaccess"
-                },
-                {
-                    "accdw", "application/msaccess.webapplication"
-                },
-                {
-                    "accft", "application/msaccess.ftemplate"
-                },
-                {
-                    "acx", "application/internet-property-stream"
-                },
-                {
-                    "AddIn", "text/xml"
-                },
-                {
-                    "ade", "application/msaccess"
-                },
-                {
-                    "adobebridge", "application/x-bridge-url"
-                },
-                {
-                    "adp", "application/msaccess"
-                },
-                {
-                    "ADT", "audio/vnd.dlna.adts"
-                },
-                {
-                    "ADTS", "audio/aac"
-                },
-                {
-                    "afm", "application/octet-stream"
-                },
-                {
-                    "ai", "application/postscript"
-                },
-                {
-                    "aif", "audio/aiff"
-                },
-                {
-                    "aifc", "audio/aiff"
-                },
-                {
-                    "aiff", "audio/aiff"
-                },
-                {
-                    "air", "application/vnd.adobe.air-application-installer-package+zip"
-                },
-                {
-                    "amc", "application/mpeg"
-                },
-                {
-                    "anx", "application/annodex"
-                },
-                {
-                    "apk", "application/vnd.android.package-archive"
-                },
-                {
-                    "apng", "image/apng"
-                },
-                {
-                    "application", "application/x-ms-application"
-                },
-                {
-                    "art", "image/x-jg"
-                },
-                {
-                    "asa", "application/xml"
-                },
-                {
-                    "asax", "application/xml"
-                },
-                {
-                    "ascx", "application/xml"
-                },
-                {
-                    "asd", "application/octet-stream"
-                },
-                {
-                    "asf", "video/x-ms-asf"
-                },
-                {
-                    "ashx", "application/xml"
-                },
-                {
-                    "asi", "application/octet-stream"
-                },
-                {
-                    "asm", "text/plain"
-                },
-                {
-                    "asmx", "application/xml"
-                },
-                {
-                    "aspx", "application/xml"
-                },
-                {
-                    "asr", "video/x-ms-asf"
-                },
-                {
-                    "asx", "video/x-ms-asf"
-                },
-                {
-                    "atom", "application/atom+xml"
-                },
-                {
-                    "au", "audio/basic"
-                },
-                {
-                    "avci", "image/avci"
-                },
-                {
-                    "avcs", "image/avcs"
-                },
-                {
-                    "avi", "video/x-msvideo"
-                },
-                {
-                    "avif", "image/avif"
-                },
-                {
-                    "avifs", "image/avif-sequence"
-                },
-                {
-                    "axa", "audio/annodex"
-                },
-                {
-                    "axs", "application/olescript"
-                },
-                {
-                    "axv", "video/annodex"
-                },
-                {
-                    "bas", "text/plain"
-                },
-                {
-                    "bcpio", "application/x-bcpio"
-                },
-                {
-                    "bin", "application/octet-stream"
-                },
-                {
-                    "bmp", "image/bmp"
-                },
-                {
-                    "c", "text/plain"
-                },
-                {
-                    "cab", "application/octet-stream"
-                },
-                {
-                    "caf", "audio/x-caf"
-                },
-                {
-                    "calx", "application/vnd.ms-office.calx"
-                },
-                {
-                    "cat", "application/vnd.ms-pki.seccat"
-                },
-                {
-                    "cc", "text/plain"
-                },
-                {
-                    "cd", "text/plain"
-                },
-                {
-                    "cdda", "audio/aiff"
-                },
-                {
-                    "cdf", "application/x-cdf"
-                },
-                {
-                    "cer", "application/x-x509-ca-cert"
-                },
-                {
-                    "cfg", "text/plain"
-                },
-                {
-                    "chm", "application/octet-stream"
-                },
-                {
-                    "class", "application/x-java-applet"
-                },
-                {
-                    "clp", "application/x-msclip"
-                },
-                {
-                    "cmd", "text/plain"
-                },
-                {
-                    "cmx", "image/x-cmx"
-                },
-                {
-                    "cnf", "text/plain"
-                },
-                {
-                    "cod", "image/cis-cod"
-                },
-                {
-                    "config", "application/xml"
-                },
-                {
-                    "contact", "text/x-ms-contact"
-                },
-                {
-                    "coverage", "application/xml"
-                },
-                {
-                    "cpio", "application/x-cpio"
-                },
-                {
-                    "cpp", "text/plain"
-                },
-                {
-                    "crd", "application/x-mscardfile"
-                },
-                {
-                    "crl", "application/pkix-crl"
-                },
-                {
-                    "crt", "application/x-x509-ca-cert"
-                },
-                {
-                    "cs", "text/plain"
-                },
-                {
-                    "csdproj", "text/plain"
-                },
-                {
-                    "csh", "application/x-csh"
-                },
-                {
-                    "csproj", "text/plain"
-                },
-                {
-                    "css", "text/css"
-                },
-                {
-                    "csv", "text/csv"
-                },
-                {
-                    "cur", "application/octet-stream"
-                },
-                {
-                    "czx", "application/x-czx"
-                },
-                {
-                    "cxx", "text/plain"
-                },
-                {
-                    "dat", "application/octet-stream"
-                },
-                {
-                    "datasource", "application/xml"
-                },
-                {
-                    "dbproj", "text/plain"
-                },
-                {
-                    "dcr", "application/x-director"
-                },
-                {
-                    "def", "text/plain"
-                },
-                {
-                    "deploy", "application/octet-stream"
-                },
-                {
-                    "der", "application/x-x509-ca-cert"
-                },
-                {
-                    "dgml", "application/xml"
-                },
-                {
-                    "dib", "image/bmp"
-                },
-                {
-                    "dif", "video/x-dv"
-                },
-                {
-                    "dir", "application/x-director"
-                },
-                {
-                    "disco", "text/xml"
-                },
-                {
-                    "divx", "video/divx"
-                },
-                {
-                    "dll", "application/x-msdownload"
-                },
-                {
-                    "dll.config", "text/xml"
-                },
-                {
-                    "dlm", "text/dlm"
-                },
-                {
-                    "doc", "application/msword"
-                },
-                {
-                    "docm", "application/vnd.ms-word.document.macroEnabled.12"
-                },
-                {
-                    "docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
-                },
-                {
-                    "dot", "application/msword"
-                },
-                {
-                    "dotm", "application/vnd.ms-word.template.macroEnabled.12"
-                },
-                {
-                    "dotx", "application/vnd.openxmlformats-officedocument.wordprocessingml.template"
-                },
-                {
-                    "dsp", "application/octet-stream"
-                },
-                {
-                    "dsw", "text/plain"
-                },
-                {
-                    "dtd", "text/xml"
-                },
-                {
-                    "dtsConfig", "text/xml"
-                },
-                {
-                    "dv", "video/x-dv"
-                },
-                {
-                    "dvi", "application/x-dvi"
-                },
-                {
-                    "dwf", "drawing/x-dwf"
-                },
-                {
-                    "dwg", "application/acad"
-                },
-                {
-                    "dwp", "application/octet-stream"
-                },
-                {
-                    "dxf", "application/x-dxf"
-                },
-                {
-                    "dxr", "application/x-director"
-                },
-                {
-                    "eml", "message/rfc822"
-                },
-                {
-                    "emf", "image/emf"
-                },
-                {
-                    "emz", "application/octet-stream"
-                },
-                {
-                    "eot", "application/vnd.ms-fontobject"
-                },
-                {
-                    "eps", "application/postscript"
-                },
-                {
-                    "es", "application/ecmascript"
-                },
-                {
-                    "etl", "application/etl"
-                },
-                {
-                    "etx", "text/x-setext"
-                },
-                {
-                    "evy", "application/envoy"
-                },
-                {
-                    "exe", "application/vnd.microsoft.portable-executable"
-                },
-                {
-                    "exe.config", "text/xml"
-                },
-                {
-                    "f4v", "video/mp4"
-                },
-                {
-                    "fdf", "application/vnd.fdf"
-                },
-                {
-                    "fif", "application/fractals"
-                },
-                {
-                    "filters", "application/xml"
-                },
-                {
-                    "fla", "application/octet-stream"
-                },
-                {
-                    "flac", "audio/flac"
-                },
-                {
-                    "flr", "x-world/x-vrml"
-                },
-                {
-                    "flv", "video/x-flv"
-                },
-                {
-                    "fsscript", "application/fsharp-script"
-                },
-                {
-                    "fsx", "application/fsharp-script"
-                },
-                {
-                    "generictest", "application/xml"
-                },
-                {
-                    "geojson", "application/geo+json"
-                },
-                {
-                    "gif", "image/gif"
-                },
-                {
-                    "gpx", "application/gpx+xml"
-                },
-                {
-                    "group", "text/x-ms-group"
-                },
-                {
-                    "gsm", "audio/x-gsm"
-                },
-                {
-                    "gtar", "application/x-gtar"
-                },
-                {
-                    "gz", "application/x-gzip"
-                },
-                {
-                    "h", "text/plain"
-                },
-                {
-                    "hdf", "application/x-hdf"
-                },
-                {
-                    "hdml", "text/x-hdml"
-                },
-                {
-                    "heic", "image/heic"
-                },
-                {
-                    "heics", "image/heic-sequence"
-                },
-                {
-                    "heif", "image/heif"
-                },
-                {
-                    "heifs", "image/heif-sequence"
-                },
-                {
-                    "hhc", "application/x-oleobject"
-                },
-                {
-                    "hhk", "application/octet-stream"
-                },
-                {
-                    "hhp", "application/octet-stream"
-                },
-                {
-                    "hlp", "application/winhlp"
-                },
-                {
-                    "hpp", "text/plain"
-                },
-                {
-                    "hqx", "application/mac-binhex40"
-                },
-                {
-                    "hta", "application/hta"
-                },
-                {
-                    "htc", "text/x-component"
-                },
-                {
-                    "htm", "text/html"
-                },
-                {
-                    "html", "text/html"
-                },
-                {
-                    "htt", "text/webviewhtml"
-                },
-                {
-                    "hxa", "application/xml"
-                },
-                {
-                    "hxc", "application/xml"
-                },
-                {
-                    "hxd", "application/octet-stream"
-                },
-                {
-                    "hxe", "application/xml"
-                },
-                {
-                    "hxf", "application/xml"
-                },
-                {
-                    "hxh", "application/octet-stream"
-                },
-                {
-                    "hxi", "application/octet-stream"
-                },
-                {
-                    "hxk", "application/xml"
-                },
-                {
-                    "hxq", "application/octet-stream"
-                },
-                {
-                    "hxr", "application/octet-stream"
-                },
-                {
-                    "hxs", "application/octet-stream"
-                },
-                {
-                    "hxt", "text/html"
-                },
-                {
-                    "hxv", "application/xml"
-                },
-                {
-                    "hxw", "application/octet-stream"
-                },
-                {
-                    "hxx", "text/plain"
-                },
-                {
-                    "i", "text/plain"
-                },
-                {
-                    "ical", "text/calendar"
-                },
-                {
-                    "icalendar", "text/calendar"
-                },
-                {
-                    "ico", "image/x-icon"
-                },
-                {
-                    "ics", "text/calendar"
-                },
-                {
-                    "idl", "text/plain"
-                },
-                {
-                    "ief", "image/ief"
-                },
-                {
-                    "ifb", "text/calendar"
-                },
-                {
-                    "iii", "application/x-iphone"
-                },
-                {
-                    "inc", "text/plain"
-                },
-                {
-                    "inf", "application/octet-stream"
-                },
-                {
-                    "ini", "text/plain"
-                },
-                {
-                    "inl", "text/plain"
-                },
-                {
-                    "ins", "application/x-internet-signup"
-                },
-                {
-                    "ipa", "application/x-itunes-ipa"
-                },
-                {
-                    "ipg", "application/x-itunes-ipg"
-                },
-                {
-                    "ipproj", "text/plain"
-                },
-                {
-                    "ipsw", "application/x-itunes-ipsw"
-                },
-                {
-                    "iqy", "text/x-ms-iqy"
-                },
-                {
-                    "isp", "application/x-internet-signup"
-                },
-                {
-                    "isma", "application/octet-stream"
-                },
-                {
-                    "ismv", "application/octet-stream"
-                },
-                {
-                    "ite", "application/x-itunes-ite"
-                },
-                {
-                    "itlp", "application/x-itunes-itlp"
-                },
-                {
-                    "itms", "application/x-itunes-itms"
-                },
-                {
-                    "itpc", "application/x-itunes-itpc"
-                },
-                {
-                    "IVF", "video/x-ivf"
-                },
-                {
-                    "jar", "application/java-archive"
-                },
-                {
-                    "java", "application/octet-stream"
-                },
-                {
-                    "jck", "application/liquidmotion"
-                },
-                {
-                    "jcz", "application/liquidmotion"
-                },
-                {
-                    "jfif", "image/pjpeg"
-                },
-                {
-                    "jnlp", "application/x-java-jnlp-file"
-                },
-                {
-                    "jpb", "application/octet-stream"
-                },
-                {
-                    "jpe", "image/jpeg"
-                },
-                {
-                    "jpeg", "image/jpeg"
-                },
-                {
-                    "jpg", "image/jpeg"
-                },
-                {
-                    "js", "application/javascript"
-                },
-                {
-                    "json", "application/json"
-                },
-                {
-                    "jsx", "text/jscript"
-                },
-                {
-                    "jsxbin", "text/plain"
-                },
-                {
-                    "key", "application/vnd.apple.keynote"
-                },
-                {
-                    "latex", "application/x-latex"
-                },
-                {
-                    "library-ms", "application/windows-library+xml"
-                },
-                {
-                    "lit", "application/x-ms-reader"
-                },
-                {
-                    "loadtest", "application/xml"
-                },
-                {
-                    "lpk", "application/octet-stream"
-                },
-                {
-                    "lsf", "video/x-la-asf"
-                },
-                {
-                    "lst", "text/plain"
-                },
-                {
-                    "lsx", "video/x-la-asf"
-                },
-                {
-                    "lzh", "application/octet-stream"
-                },
-                {
-                    "m13", "application/x-msmediaview"
-                },
-                {
-                    "m14", "application/x-msmediaview"
-                },
-                {
-                    "m1v", "video/mpeg"
-                },
-                {
-                    "m2t", "video/vnd.dlna.mpeg-tts"
-                },
-                {
-                    "m2ts", "video/vnd.dlna.mpeg-tts"
-                },
-                {
-                    "m2v", "video/mpeg"
-                },
-                {
-                    "m3u", "audio/x-mpegurl"
-                },
-                {
-                    "m3u8", "audio/x-mpegurl"
-                },
-                {
-                    "m4a", "audio/m4a"
-                },
-                {
-                    "m4b", "audio/m4b"
-                },
-                {
-                    "m4p", "audio/m4p"
-                },
-                {
-                    "m4r", "audio/x-m4r"
-                },
-                {
-                    "m4v", "video/x-m4v"
-                },
-                {
-                    "mac", "image/x-macpaint"
-                },
-                {
-                    "mak", "text/plain"
-                },
-                {
-                    "man", "application/x-troff-man"
-                },
-                {
-                    "manifest", "application/x-ms-manifest"
-                },
-                {
-                    "map", "text/plain"
-                },
-                {
-                    "master", "application/xml"
-                },
-                {
-                    "mbox", "application/mbox"
-                },
-                {
-                    "mda", "application/msaccess"
-                },
-                {
-                    "mdb", "application/x-msaccess"
-                },
-                {
-                    "mde", "application/msaccess"
-                },
-                {
-                    "mdp", "application/octet-stream"
-                },
-                {
-                    "me", "application/x-troff-me"
-                },
-                {
-                    "mfp", "application/x-shockwave-flash"
-                },
-                {
-                    "mht", "message/rfc822"
-                },
-                {
-                    "mhtml", "message/rfc822"
-                },
-                {
-                    "mid", "audio/mid"
-                },
-                {
-                    "midi", "audio/mid"
-                },
-                {
-                    "mix", "application/octet-stream"
-                },
-                {
-                    "mk", "text/plain"
-                },
-                {
-                    "mk3d", "video/x-matroska-3d"
-                },
-                {
-                    "mka", "audio/x-matroska"
-                },
-                {
-                    "mkv", "video/x-matroska"
-                },
-                {
-                    "mmf", "application/x-smaf"
-                },
-                {
-                    "mno", "text/xml"
-                },
-                {
-                    "mny", "application/x-msmoney"
-                },
-                {
-                    "mod", "video/mpeg"
-                },
-                {
-                    "mov", "video/quicktime"
-                },
-                {
-                    "movie", "video/x-sgi-movie"
-                },
-                {
-                    "mp2", "video/mpeg"
-                },
-                {
-                    "mp2v", "video/mpeg"
-                },
-                {
-                    "mp3", "audio/mpeg"
-                },
-                {
-                    "mp4", "video/mp4"
-                },
-                {
-                    "mp4v", "video/mp4"
-                },
-                {
-                    "mpa", "video/mpeg"
-                },
-                {
-                    "mpe", "video/mpeg"
-                },
-                {
-                    "mpeg", "video/mpeg"
-                },
-                {
-                    "mpf", "application/vnd.ms-mediapackage"
-                },
-                {
-                    "mpg", "video/mpeg"
-                },
-                {
-                    "mpp", "application/vnd.ms-project"
-                },
-                {
-                    "mpv2", "video/mpeg"
-                },
-                {
-                    "mqv", "video/quicktime"
-                },
-                {
-                    "ms", "application/x-troff-ms"
-                },
-                {
-                    "msg", "application/vnd.ms-outlook"
-                },
-                {
-                    "msi", "application/octet-stream"
-                },
-                {
-                    "mso", "application/octet-stream"
-                },
-                {
-                    "mts", "video/vnd.dlna.mpeg-tts"
-                },
-                {
-                    "mtx", "application/xml"
-                },
-                {
-                    "mvb", "application/x-msmediaview"
-                },
-                {
-                    "mvc", "application/x-miva-compiled"
-                },
-                {
-                    "mxf", "application/mxf"
-                },
-                {
-                    "mxp", "application/x-mmxp"
-                },
-                {
-                    "nc", "application/x-netcdf"
-                },
-                {
-                    "nsc", "video/x-ms-asf"
-                },
-                {
-                    "numbers", "application/vnd.apple.numbers"
-                },
-                {
-                    "nws", "message/rfc822"
-                },
-                {
-                    "ocx", "application/octet-stream"
-                },
-                {
-                    "oda", "application/oda"
-                },
-                {
-                    "odb", "application/vnd.oasis.opendocument.database"
-                },
-                {
-                    "odc", "application/vnd.oasis.opendocument.chart"
-                },
-                {
-                    "odf", "application/vnd.oasis.opendocument.formula"
-                },
-                {
-                    "odg", "application/vnd.oasis.opendocument.graphics"
-                },
-                {
-                    "odh", "text/plain"
-                },
-                {
-                    "odi", "application/vnd.oasis.opendocument.image"
-                },
-                {
-                    "odl", "text/plain"
-                },
-                {
-                    "odm", "application/vnd.oasis.opendocument.text-master"
-                },
-                {
-                    "odp", "application/vnd.oasis.opendocument.presentation"
-                },
-                {
-                    "ods", "application/vnd.oasis.opendocument.spreadsheet"
-                },
-                {
-                    "odt", "application/vnd.oasis.opendocument.text"
-                },
-                {
-                    "oga", "audio/ogg"
-                },
-                {
-                    "ogg", "audio/ogg"
-                },
-                {
-                    "ogv", "video/ogg"
-                },
-                {
-                    "ogx", "application/ogg"
-                },
-                {
-                    "one", "application/onenote"
-                },
-                {
-                    "onea", "application/onenote"
-                },
-                {
-                    "onepkg", "application/onenote"
-                },
-                {
-                    "onetmp", "application/onenote"
-                },
-                {
-                    "onetoc", "application/onenote"
-                },
-                {
-                    "onetoc2", "application/onenote"
-                },
-                {
-                    "opus", "audio/ogg"
-                },
-                {
-                    "orderedtest", "application/xml"
-                },
-                {
-                    "osdx", "application/opensearchdescription+xml"
-                },
-                {
-                    "otf", "application/font-sfnt"
-                },
-                {
-                    "otg", "application/vnd.oasis.opendocument.graphics-template"
-                },
-                {
-                    "oth", "application/vnd.oasis.opendocument.text-web"
-                },
-                {
-                    "otp", "application/vnd.oasis.opendocument.presentation-template"
-                },
-                {
-                    "ots", "application/vnd.oasis.opendocument.spreadsheet-template"
-                },
-                {
-                    "ott", "application/vnd.oasis.opendocument.text-template"
-                },
-                {
-                    "oxps", "application/oxps"
-                },
-                {
-                    "oxt", "application/vnd.openofficeorg.extension"
-                },
-                {
-                    "p10", "application/pkcs10"
-                },
-                {
-                    "p12", "application/x-pkcs12"
-                },
-                {
-                    "p7b", "application/x-pkcs7-certificates"
-                },
-                {
-                    "p7c", "application/pkcs7-mime"
-                },
-                {
-                    "p7m", "application/pkcs7-mime"
-                },
-                {
-                    "p7r", "application/x-pkcs7-certreqresp"
-                },
-                {
-                    "p7s", "application/pkcs7-signature"
-                },
-                {
-                    "pages", "application/vnd.apple.pages"
-                },
-                {
-                    "pbm", "image/x-portable-bitmap"
-                },
-                {
-                    "pcast", "application/x-podcast"
-                },
-                {
-                    "pct", "image/pict"
-                },
-                {
-                    "pcx", "application/octet-stream"
-                },
-                {
-                    "pcz", "application/octet-stream"
-                },
-                {
-                    "pdf", "application/pdf"
-                },
-                {
-                    "pfb", "application/octet-stream"
-                },
-                {
-                    "pfm", "application/octet-stream"
-                },
-                {
-                    "pfx", "application/x-pkcs12"
-                },
-                {
-                    "pgm", "image/x-portable-graymap"
-                },
-                {
-                    "pic", "image/pict"
-                },
-                {
-                    "pict", "image/pict"
-                },
-                {
-                    "pkgdef", "text/plain"
-                },
-                {
-                    "pkgundef", "text/plain"
-                },
-                {
-                    "pko", "application/vnd.ms-pki.pko"
-                },
-                {
-                    "pls", "audio/scpls"
-                },
-                {
-                    "pma", "application/x-perfmon"
-                },
-                {
-                    "pmc", "application/x-perfmon"
-                },
-                {
-                    "pml", "application/x-perfmon"
-                },
-                {
-                    "pmr", "application/x-perfmon"
-                },
-                {
-                    "pmw", "application/x-perfmon"
-                },
-                {
-                    "png", "image/png"
-                },
-                {
-                    "pnm", "image/x-portable-anymap"
-                },
-                {
-                    "pnt", "image/x-macpaint"
-                },
-                {
-                    "pntg", "image/x-macpaint"
-                },
-                {
-                    "pnz", "image/png"
-                },
-                {
-                    "pot", "application/vnd.ms-powerpoint"
-                },
-                {
-                    "potm", "application/vnd.ms-powerpoint.template.macroEnabled.12"
-                },
-                {
-                    "potx", "application/vnd.openxmlformats-officedocument.presentationml.template"
-                },
-                {
-                    "ppa", "application/vnd.ms-powerpoint"
-                },
-                {
-                    "ppam", "application/vnd.ms-powerpoint.addin.macroEnabled.12"
-                },
-                {
-                    "ppm", "image/x-portable-pixmap"
-                },
-                {
-                    "pps", "application/vnd.ms-powerpoint"
-                },
-                {
-                    "ppsm", "application/vnd.ms-powerpoint.slideshow.macroEnabled.12"
-                },
-                {
-                    "ppsx", "application/vnd.openxmlformats-officedocument.presentationml.slideshow"
-                },
-                {
-                    "ppt", "application/vnd.ms-powerpoint"
-                },
-                {
-                    "pptm", "application/vnd.ms-powerpoint.presentation.macroEnabled.12"
-                },
-                {
-                    "pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation"
-                },
-                {
-                    "prf", "application/pics-rules"
-                },
-                {
-                    "prm", "application/octet-stream"
-                },
-                {
-                    "prx", "application/octet-stream"
-                },
-                {
-                    "ps", "application/postscript"
-                },
-                {
-                    "psc1", "application/PowerShell"
-                },
-                {
-                    "psd", "application/octet-stream"
-                },
-                {
-                    "psess", "application/xml"
-                },
-                {
-                    "psm", "application/octet-stream"
-                },
-                {
-                    "psp", "application/octet-stream"
-                },
-                {
-                    "pst", "application/vnd.ms-outlook"
-                },
-                {
-                    "pub", "application/x-mspublisher"
-                },
-                {
-                    "pwz", "application/vnd.ms-powerpoint"
-                },
-                {
-                    "qht", "text/x-html-insertion"
-                },
-                {
-                    "qhtm", "text/x-html-insertion"
-                },
-                {
-                    "qt", "video/quicktime"
-                },
-                {
-                    "qti", "image/x-quicktime"
-                },
-                {
-                    "qtif", "image/x-quicktime"
-                },
-                {
-                    "qtl", "application/x-quicktimeplayer"
-                },
-                {
-                    "qxd", "application/octet-stream"
-                },
-                {
-                    "ra", "audio/x-pn-realaudio"
-                },
-                {
-                    "ram", "audio/x-pn-realaudio"
-                },
-                {
-                    "rar", "application/x-rar-compressed"
-                },
-                {
-                    "ras", "image/x-cmu-raster"
-                },
-                {
-                    "rat", "application/rat-file"
-                },
-                {
-                    "rc", "text/plain"
-                },
-                {
-                    "rc2", "text/plain"
-                },
-                {
-                    "rct", "text/plain"
-                },
-                {
-                    "rdlc", "application/xml"
-                },
-                {
-                    "reg", "text/plain"
-                },
-                {
-                    "resx", "application/xml"
-                },
-                {
-                    "rf", "image/vnd.rn-realflash"
-                },
-                {
-                    "rgb", "image/x-rgb"
-                },
-                {
-                    "rgs", "text/plain"
-                },
-                {
-                    "rm", "application/vnd.rn-realmedia"
-                },
-                {
-                    "rmi", "audio/mid"
-                },
-                {
-                    "rmp", "application/vnd.rn-rn_music_package"
-                },
-                {
-                    "rmvb", "application/vnd.rn-realmedia-vbr"
-                },
-                {
-                    "roff", "application/x-troff"
-                },
-                {
-                    "rpm", "audio/x-pn-realaudio-plugin"
-                },
-                {
-                    "rqy", "text/x-ms-rqy"
-                },
-                {
-                    "rtf", "application/rtf"
-                },
-                {
-                    "rtx", "text/richtext"
-                },
-                {
-                    "rvt", "application/octet-stream"
-                },
-                {
-                    "ruleset", "application/xml"
-                },
-                {
-                    "s", "text/plain"
-                },
-                {
-                    "safariextz", "application/x-safari-safariextz"
-                },
-                {
-                    "scd", "application/x-msschedule"
-                },
-                {
-                    "scr", "text/plain"
-                },
-                {
-                    "sct", "text/scriptlet"
-                },
-                {
-                    "sd2", "audio/x-sd2"
-                },
-                {
-                    "sdp", "application/sdp"
-                },
-                {
-                    "sea", "application/octet-stream"
-                },
-                {
-                    "searchConnector-ms", "application/windows-search-connector+xml"
-                },
-                {
-                    "setpay", "application/set-payment-initiation"
-                },
-                {
-                    "setreg", "application/set-registration-initiation"
-                },
-                {
-                    "settings", "application/xml"
-                },
-                {
-                    "sgimb", "application/x-sgimb"
-                },
-                {
-                    "sgml", "text/sgml"
-                },
-                {
-                    "sh", "application/x-sh"
-                },
-                {
-                    "shar", "application/x-shar"
-                },
-                {
-                    "shtml", "text/html"
-                },
-                {
-                    "sit", "application/x-stuffit"
-                },
-                {
-                    "sitemap", "application/xml"
-                },
-                {
-                    "skin", "application/xml"
-                },
-                {
-                    "skp", "application/x-koan"
-                },
-                {
-                    "sldm", "application/vnd.ms-powerpoint.slide.macroEnabled.12"
-                },
-                {
-                    "sldx", "application/vnd.openxmlformats-officedocument.presentationml.slide"
-                },
-                {
-                    "slk", "application/vnd.ms-excel"
-                },
-                {
-                    "sln", "text/plain"
-                },
-                {
-                    "slupkg-ms", "application/x-ms-license"
-                },
-                {
-                    "smd", "audio/x-smd"
-                },
-                {
-                    "smi", "application/octet-stream"
-                },
-                {
-                    "smx", "audio/x-smd"
-                },
-                {
-                    "smz", "audio/x-smd"
-                },
-                {
-                    "snd", "audio/basic"
-                },
-                {
-                    "snippet", "application/xml"
-                },
-                {
-                    "snp", "application/octet-stream"
-                },
-                {
-                    "sql", "application/sql"
-                },
-                {
-                    "sol", "text/plain"
-                },
-                {
-                    "sor", "text/plain"
-                },
-                {
-                    "spc", "application/x-pkcs7-certificates"
-                },
-                {
-                    "spl", "application/futuresplash"
-                },
-                {
-                    "spx", "audio/ogg"
-                },
-                {
-                    "src", "application/x-wais-source"
-                },
-                {
-                    "srf", "text/plain"
-                },
-                {
-                    "SSISDeploymentManifest", "text/xml"
-                },
-                {
-                    "ssm", "application/streamingmedia"
-                },
-                {
-                    "sst", "application/vnd.ms-pki.certstore"
-                },
-                {
-                    "stl", "application/vnd.ms-pki.stl"
-                },
-                {
-                    "sv4cpio", "application/x-sv4cpio"
-                },
-                {
-                    "sv4crc", "application/x-sv4crc"
-                },
-                {
-                    "svc", "application/xml"
-                },
-                {
-                    "svg", "image/svg+xml"
-                },
-                {
-                    "swf", "application/x-shockwave-flash"
-                },
-                {
-                    "step", "application/step"
-                },
-                {
-                    "stp", "application/step"
-                },
-                {
-                    "t", "application/x-troff"
-                },
-                {
-                    "tar", "application/x-tar"
-                },
-                {
-                    "tcl", "application/x-tcl"
-                },
-                {
-                    "testrunconfig", "application/xml"
-                },
-                {
-                    "testsettings", "application/xml"
-                },
-                {
-                    "tex", "application/x-tex"
-                },
-                {
-                    "texi", "application/x-texinfo"
-                },
-                {
-                    "texinfo", "application/x-texinfo"
-                },
-                {
-                    "tgz", "application/x-compressed"
-                },
-                {
-                    "thmx", "application/vnd.ms-officetheme"
-                },
-                {
-                    "thn", "application/octet-stream"
-                },
-                {
-                    "tif", "image/tiff"
-                },
-                {
-                    "tiff", "image/tiff"
-                },
-                {
-                    "tlh", "text/plain"
-                },
-                {
-                    "tli", "text/plain"
-                },
-                {
-                    "toc", "application/octet-stream"
-                },
-                {
-                    "tr", "application/x-troff"
-                },
-                {
-                    "trm", "application/x-msterminal"
-                },
-                {
-                    "trx", "application/xml"
-                },
-                {
-                    "ts", "video/vnd.dlna.mpeg-tts"
-                },
-                {
-                    "tsv", "text/tab-separated-values"
-                },
-                {
-                    "ttf", "application/font-sfnt"
-                },
-                {
-                    "tts", "video/vnd.dlna.mpeg-tts"
-                },
-                {
-                    "txt", "text/plain"
-                },
-                {
-                    "u32", "application/octet-stream"
-                },
-                {
-                    "uls", "text/iuls"
-                },
-                {
-                    "user", "text/plain"
-                },
-                {
-                    "ustar", "application/x-ustar"
-                },
-                {
-                    "vb", "text/plain"
-                },
-                {
-                    "vbdproj", "text/plain"
-                },
-                {
-                    "vbk", "video/mpeg"
-                },
-                {
-                    "vbproj", "text/plain"
-                },
-                {
-                    "vbs", "text/vbscript"
-                },
-                {
-                    "vcf", "text/x-vcard"
-                },
-                {
-                    "vcproj", "application/xml"
-                },
-                {
-                    "vcs", "text/plain"
-                },
-                {
-                    "vcxproj", "application/xml"
-                },
-                {
-                    "vddproj", "text/plain"
-                },
-                {
-                    "vdp", "text/plain"
-                },
-                {
-                    "vdproj", "text/plain"
-                },
-                {
-                    "vdx", "application/vnd.ms-visio.viewer"
-                },
-                {
-                    "vml", "text/xml"
-                },
-                {
-                    "vscontent", "application/xml"
-                },
-                {
-                    "vsct", "text/xml"
-                },
-                {
-                    "vsd", "application/vnd.visio"
-                },
-                {
-                    "vsi", "application/ms-vsi"
-                },
-                {
-                    "vsix", "application/vsix"
-                },
-                {
-                    "vsixlangpack", "text/xml"
-                },
-                {
-                    "vsixmanifest", "text/xml"
-                },
-                {
-                    "vsmdi", "application/xml"
-                },
-                {
-                    "vspscc", "text/plain"
-                },
-                {
-                    "vss", "application/vnd.visio"
-                },
-                {
-                    "vsscc", "text/plain"
-                },
-                {
-                    "vssettings", "text/xml"
-                },
-                {
-                    "vssscc", "text/plain"
-                },
-                {
-                    "vst", "application/vnd.visio"
-                },
-                {
-                    "vstemplate", "text/xml"
-                },
-                {
-                    "vsto", "application/x-ms-vsto"
-                },
-                {
-                    "vsw", "application/vnd.visio"
-                },
-                {
-                    "vsx", "application/vnd.visio"
-                },
-                {
-                    "vtt", "text/vtt"
-                },
-                {
-                    "vtx", "application/vnd.visio"
-                },
-                {
-                    "wasm", "application/wasm"
-                },
-                {
-                    "wav", "audio/wav"
-                },
-                {
-                    "wave", "audio/wav"
-                },
-                {
-                    "wax", "audio/x-ms-wax"
-                },
-                {
-                    "wbk", "application/msword"
-                },
-                {
-                    "wbmp", "image/vnd.wap.wbmp"
-                },
-                {
-                    "wcm", "application/vnd.ms-works"
-                },
-                {
-                    "wdb", "application/vnd.ms-works"
-                },
-                {
-                    "wdp", "image/vnd.ms-photo"
-                },
-                {
-                    "webarchive", "application/x-safari-webarchive"
-                },
-                {
-                    "webm", "video/webm"
-                },
-                {
-                    "webp", "image/webp"
-                }, /* https://en.wikipedia.org/wiki/WebP */
-                {
-                    "webtest", "application/xml"
-                },
-                {
-                    "wiq", "application/xml"
-                },
-                {
-                    "wiz", "application/msword"
-                },
-                {
-                    "wks", "application/vnd.ms-works"
-                },
-                {
-                    "WLMP", "application/wlmoviemaker"
-                },
-                {
-                    "wlpginstall", "application/x-wlpg-detect"
-                },
-                {
-                    "wlpginstall3", "application/x-wlpg3-detect"
-                },
-                {
-                    "wm", "video/x-ms-wm"
-                },
-                {
-                    "wma", "audio/x-ms-wma"
-                },
-                {
-                    "wmd", "application/x-ms-wmd"
-                },
-                {
-                    "wmf", "application/x-msmetafile"
-                },
-                {
-                    "wml", "text/vnd.wap.wml"
-                },
-                {
-                    "wmlc", "application/vnd.wap.wmlc"
-                },
-                {
-                    "wmls", "text/vnd.wap.wmlscript"
-                },
-                {
-                    "wmlsc", "application/vnd.wap.wmlscriptc"
-                },
-                {
-                    "wmp", "video/x-ms-wmp"
-                },
-                {
-                    "wmv", "video/x-ms-wmv"
-                },
-                {
-                    "wmx", "video/x-ms-wmx"
-                },
-                {
-                    "wmz", "application/x-ms-wmz"
-                },
-                {
-                    "woff", "application/font-woff"
-                },
-                {
-                    "woff2", "application/font-woff2"
-                },
-                {
-                    "wpl", "application/vnd.ms-wpl"
-                },
-                {
-                    "wps", "application/vnd.ms-works"
-                },
-                {
-                    "wri", "application/x-mswrite"
-                },
-                {
-                    "wrl", "x-world/x-vrml"
-                },
-                {
-                    "wrz", "x-world/x-vrml"
-                },
-                {
-                    "wsc", "text/scriptlet"
-                },
-                {
-                    "wsdl", "text/xml"
-                },
-                {
-                    "wvx", "video/x-ms-wvx"
-                },
-                {
-                    "x", "application/directx"
-                },
-                {
-                    "xaf", "x-world/x-vrml"
-                },
-                {
-                    "xaml", "application/xaml+xml"
-                },
-                {
-                    "xap", "application/x-silverlight-app"
-                },
-                {
-                    "xbap", "application/x-ms-xbap"
-                },
-                {
-                    "xbm", "image/x-xbitmap"
-                },
-                {
-                    "xdr", "text/plain"
-                },
-                {
-                    "xht", "application/xhtml+xml"
-                },
-                {
-                    "xhtml", "application/xhtml+xml"
-                },
-                {
-                    "xla", "application/vnd.ms-excel"
-                },
-                {
-                    "xlam", "application/vnd.ms-excel.addin.macroEnabled.12"
-                },
-                {
-                    "xlc", "application/vnd.ms-excel"
-                },
-                {
-                    "xld", "application/vnd.ms-excel"
-                },
-                {
-                    "xlk", "application/vnd.ms-excel"
-                },
-                {
-                    "xll", "application/vnd.ms-excel"
-                },
-                {
-                    "xlm", "application/vnd.ms-excel"
-                },
-                {
-                    "xls", "application/vnd.ms-excel"
-                },
-                {
-                    "xlsb", "application/vnd.ms-excel.sheet.binary.macroEnabled.12"
-                },
-                {
-                    "xlsm", "application/vnd.ms-excel.sheet.macroEnabled.12"
-                },
-                {
-                    "xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
-                },
-                {
-                    "xlt", "application/vnd.ms-excel"
-                },
-                {
-                    "xltm", "application/vnd.ms-excel.template.macroEnabled.12"
-                },
-                {
-                    "xltx", "application/vnd.openxmlformats-officedocument.spreadsheetml.template"
-                },
-                {
-                    "xlw", "application/vnd.ms-excel"
-                },
-                {
-                    "xml", "text/xml"
-                },
-                {
-                    "xmp", "application/octet-stream"
-                },
-                {
-                    "xmta", "application/xml"
-                },
-                {
-                    "xof", "x-world/x-vrml"
-                },
-                {
-                    "XOML", "text/plain"
-                },
-                {
-                    "xpm", "image/x-xpixmap"
-                },
-                {
-                    "xps", "application/vnd.ms-xpsdocument"
-                },
-                {
-                    "xrm-ms", "text/xml"
-                },
-                {
-                    "xsc", "application/xml"
-                },
-                {
-                    "xsd", "text/xml"
-                },
-                {
-                    "xsf", "text/xml"
-                },
-                {
-                    "xsl", "text/xml"
-                },
-                {
-                    "xslt", "text/xml"
-                },
-                {
-                    "xsn", "application/octet-stream"
-                },
-                {
-                    "xss", "application/xml"
-                },
-                {
-                    "xspf", "application/xspf+xml"
-                },
-                {
-                    "xtp", "application/octet-stream"
-                },
-                {
-                    "xwd", "image/x-xwindowdump"
-                },
-                {
-                    "z", "application/x-compress"
-                },
-                {
-                    "zip", "application/zip"
-                },
-            };
-
-        private static IDictionary<string, string> _mimeTypeToExtensionMappings;
+        extension = default;
+        return false;
+    }
 
-        private static IDictionary<string, string> MimeTypeToExtensionMappings
-            => _mimeTypeToExtensionMappings ??= GenerateMimeTypeToExtensionMappings();
+    /// <summary>
+    /// Returns true for all text mime types:
+    /// text/*
+    /// */xml
+    /// *+xml
+    /// </summary>
+    /// <param name="mimeType"></param>
+    /// <returns></returns>
+    public static bool IsTextMimeType(this string mimeType)
+    {
+        return mimeType.StartsWith("text/") ||
+            mimeType.EndsWith("/xml") ||
+            mimeType.EndsWith("+xml");
+    }
 
-        private static IDictionary<string, string> GenerateMimeTypeToExtensionMappings()
+    private static readonly IDictionary<string, string> ExtensionToMimeTypeMappings
+        = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
         {
-            // multiple mappings exist for these types - pre-seed with the most likely
-            var result = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
-            {
-                {
-                    "application/fsharp-script", "fsx"
-                },
-                {
-                    "application/msaccess", "adp"
-                },
-                {
-                    "application/msword", "doc"
-                },
-                {
-                    "application/octet-stream", "bin"
-                },
-                {
-                    "application/onenote", "one"
-                },
-                {
-                    "application/postscript", "eps"
-                },
-                {
-                    "application/step", "step"
-                },
-                {
-                    "application/vndapplekeynote", "key"
-                },
-                {
-                    "application/vndapplenumbers", "numbers"
-                },
-                {
-                    "application/vndapplepages", "pages"
-                },
-                {
-                    "application/vndms-excel", "xls"
-                },
-                {
-                    "application/vndms-powerpoint", "ppt"
-                },
-                {
-                    "application/vndms-works", "wks"
-                },
-                {
-                    "application/vndvisio", "vsd"
-                },
-                {
-                    "application/x-director", "dir"
-                },
-                {
-                    "application/x-msdos-program", "exe"
-                },
-                {
-                    "application/x-shockwave-flash", "swf"
-                },
-                {
-                    "application/x-x509-ca-cert", "cer"
-                },
-                {
-                    "application/x-zip-compressed", "zip"
-                },
-                {
-                    "application/xhtml+xml", "xhtml"
-                },
-                {
-                    "application/x-iwork-keynote-sffkey", "key"
-                },
-                {
-                    "application/x-iwork-numbers-sffnumbers", "numbers"
-                },
-                {
-                    "application/x-iwork-pages-sffpages", "pages"
-                },
-                {
-                    "application/xml", "xml"
-                }, // anomaly, .xml -> text/xml, but application/xml -> many things, but all are xml, so safest is .xml
-                {
-                    "audio/aac", "aac"
-                },
-                {
-                    "audio/aiff", "aiff"
-                },
-                {
-                    "audio/basic", "snd"
-                },
-                {
-                    "audio/mid", "midi"
-                },
-                {
-                    "audio/mp4", "m4a"
-                }, // one way mapping only, mime -> ext
-                {
-                    "audio/ogg", "ogg"
-                },
-                {
-                    "audio/ogg; codecs=opus", "opus"
-                },
-                {
-                    "audio/wav", "wav"
-                },
-                {
-                    "audio/x-m4a", "m4a"
-                },
-                {
-                    "audio/x-mpegurl", "m3u"
-                },
-                {
-                    "audio/x-pn-realaudio", "ra"
-                },
-                {
-                    "audio/x-smd", "smd"
-                },
-                {
-                    "image/bmp", "bmp"
-                },
-                {
-                    "image/heic", "heic"
-                },
-                {
-                    "image/heif", "heif"
-                },
-                {
-                    "image/jpeg", "jpg"
-                },
-                {
-                    "image/pict", "pic"
-                },
-                {
-                    "image/png", "png"
-                }, // Defined in [RFC-2045], [RFC-2048]
-                {
-                    "image/x-png", "png"
-                }, // See https://www.w3.org/TR/PNG/#A-Media-type :"It is recommended that implementations also recognize the media type "image/x-png"."
-                {
-                    "image/tiff", "tiff"
-                },
-                {
-                    "image/x-macpaint", "mac"
-                },
-                {
-                    "image/x-quicktime", "qti"
-                },
-                {
-                    "message/rfc822", "eml"
-                },
-                {
-                    "text/calendar", "ics"
-                },
-                {
-                    "text/html", "html"
-                },
-                {
-                    "text/plain", "txt"
-                },
-                {
-                    "text/scriptlet", "wsc"
-                },
-                {
-                    "text/xml", "xml"
-                },
-                {
-                    "video/3gpp", "3gp"
-                },
-                {
-                    "video/3gpp2", "3gp2"
-                },
-                {
-                    "video/mp4", "mp4"
-                },
-                {
-                    "video/mpeg", "mpg"
-                },
-                {
-                    "video/quicktime", "mov"
-                },
-                {
-                    "video/vnddlnampeg-tts", "m2t"
-                },
-                {
-                    "video/x-dv", "dv"
-                },
-                {
-                    "video/x-la-asf", "lsf"
-                },
-                {
-                    "video/x-ms-asf", "asf"
-                },
-                {
-                    "x-world/x-vrml", "xof"
-                },
-            };
-
-            foreach (var kvp in ExtensionToMimeTypeMappings)
-            {
-                if (result.ContainsKey(kvp.Value))
-                {
-                    // some mime-types map onto more than one
-                    // extension - take the first for a reverse-lookup
-                    continue;
-                }
-
-                result[kvp.Value] = kvp.Key;
-            }
-
-            return result;
-        }
+            // combination of values from Windows 7 Registry and 
+            // from C:\Windows\System32\inetsrv\config\applicationHost.config
+            // some added, including .7z and .dat
+            //
+            // Some added based on http://www.iana.org/assignments/media-types/media-types.xhtml
+            // which lists mime types, but not extensions
+            //
+            {
+                "323", "text/h323"
+            },
+            {
+                "3g2", "video/3gpp2"
+            },
+            {
+                "3gp", "video/3gpp"
+            },
+            {
+                "3gp2", "video/3gpp2"
+            },
+            {
+                "3gpp", "video/3gpp"
+            },
+            {
+                "7z", "application/x-7z-compressed"
+            },
+            {
+                "aa", "audio/audible"
+            },
+            {
+                "aac", "audio/aac"
+            },
+            {
+                "aaf", "application/octet-stream"
+            },
+            {
+                "aax", "audio/vnd.audible.aax"
+            },
+            {
+                "ac3", "audio/ac3"
+            },
+            {
+                "aca", "application/octet-stream"
+            },
+            {
+                "accda", "application/msaccess.addin"
+            },
+            {
+                "accdb", "application/msaccess"
+            },
+            {
+                "accdc", "application/msaccess.cab"
+            },
+            {
+                "accde", "application/msaccess"
+            },
+            {
+                "accdr", "application/msaccess.runtime"
+            },
+            {
+                "accdt", "application/msaccess"
+            },
+            {
+                "accdw", "application/msaccess.webapplication"
+            },
+            {
+                "accft", "application/msaccess.ftemplate"
+            },
+            {
+                "acx", "application/internet-property-stream"
+            },
+            {
+                "AddIn", "text/xml"
+            },
+            {
+                "ade", "application/msaccess"
+            },
+            {
+                "adobebridge", "application/x-bridge-url"
+            },
+            {
+                "adp", "application/msaccess"
+            },
+            {
+                "ADT", "audio/vnd.dlna.adts"
+            },
+            {
+                "ADTS", "audio/aac"
+            },
+            {
+                "afm", "application/octet-stream"
+            },
+            {
+                "ai", "application/postscript"
+            },
+            {
+                "aif", "audio/aiff"
+            },
+            {
+                "aifc", "audio/aiff"
+            },
+            {
+                "aiff", "audio/aiff"
+            },
+            {
+                "air", "application/vnd.adobe.air-application-installer-package+zip"
+            },
+            {
+                "amc", "application/mpeg"
+            },
+            {
+                "anx", "application/annodex"
+            },
+            {
+                "apk", "application/vnd.android.package-archive"
+            },
+            {
+                "apng", "image/apng"
+            },
+            {
+                "application", "application/x-ms-application"
+            },
+            {
+                "art", "image/x-jg"
+            },
+            {
+                "asa", "application/xml"
+            },
+            {
+                "asax", "application/xml"
+            },
+            {
+                "ascx", "application/xml"
+            },
+            {
+                "asd", "application/octet-stream"
+            },
+            {
+                "asf", "video/x-ms-asf"
+            },
+            {
+                "ashx", "application/xml"
+            },
+            {
+                "asi", "application/octet-stream"
+            },
+            {
+                "asm", "text/plain"
+            },
+            {
+                "asmx", "application/xml"
+            },
+            {
+                "aspx", "application/xml"
+            },
+            {
+                "asr", "video/x-ms-asf"
+            },
+            {
+                "asx", "video/x-ms-asf"
+            },
+            {
+                "atom", "application/atom+xml"
+            },
+            {
+                "au", "audio/basic"
+            },
+            {
+                "avci", "image/avci"
+            },
+            {
+                "avcs", "image/avcs"
+            },
+            {
+                "avi", "video/x-msvideo"
+            },
+            {
+                "avif", "image/avif"
+            },
+            {
+                "avifs", "image/avif-sequence"
+            },
+            {
+                "axa", "audio/annodex"
+            },
+            {
+                "axs", "application/olescript"
+            },
+            {
+                "axv", "video/annodex"
+            },
+            {
+                "bas", "text/plain"
+            },
+            {
+                "bcpio", "application/x-bcpio"
+            },
+            {
+                "bin", "application/octet-stream"
+            },
+            {
+                "bmp", "image/bmp"
+            },
+            {
+                "c", "text/plain"
+            },
+            {
+                "cab", "application/octet-stream"
+            },
+            {
+                "caf", "audio/x-caf"
+            },
+            {
+                "calx", "application/vnd.ms-office.calx"
+            },
+            {
+                "cat", "application/vnd.ms-pki.seccat"
+            },
+            {
+                "cc", "text/plain"
+            },
+            {
+                "cd", "text/plain"
+            },
+            {
+                "cdda", "audio/aiff"
+            },
+            {
+                "cdf", "application/x-cdf"
+            },
+            {
+                "cer", "application/x-x509-ca-cert"
+            },
+            {
+                "cfg", "text/plain"
+            },
+            {
+                "chm", "application/octet-stream"
+            },
+            {
+                "class", "application/x-java-applet"
+            },
+            {
+                "clp", "application/x-msclip"
+            },
+            {
+                "cmd", "text/plain"
+            },
+            {
+                "cmx", "image/x-cmx"
+            },
+            {
+                "cnf", "text/plain"
+            },
+            {
+                "cod", "image/cis-cod"
+            },
+            {
+                "config", "application/xml"
+            },
+            {
+                "contact", "text/x-ms-contact"
+            },
+            {
+                "coverage", "application/xml"
+            },
+            {
+                "cpio", "application/x-cpio"
+            },
+            {
+                "cpp", "text/plain"
+            },
+            {
+                "crd", "application/x-mscardfile"
+            },
+            {
+                "crl", "application/pkix-crl"
+            },
+            {
+                "crt", "application/x-x509-ca-cert"
+            },
+            {
+                "cs", "text/plain"
+            },
+            {
+                "csdproj", "text/plain"
+            },
+            {
+                "csh", "application/x-csh"
+            },
+            {
+                "csproj", "text/plain"
+            },
+            {
+                "css", "text/css"
+            },
+            {
+                "csv", "text/csv"
+            },
+            {
+                "cur", "application/octet-stream"
+            },
+            {
+                "czx", "application/x-czx"
+            },
+            {
+                "cxx", "text/plain"
+            },
+            {
+                "dat", "application/octet-stream"
+            },
+            {
+                "datasource", "application/xml"
+            },
+            {
+                "dbproj", "text/plain"
+            },
+            {
+                "dcr", "application/x-director"
+            },
+            {
+                "def", "text/plain"
+            },
+            {
+                "deploy", "application/octet-stream"
+            },
+            {
+                "der", "application/x-x509-ca-cert"
+            },
+            {
+                "dgml", "application/xml"
+            },
+            {
+                "dib", "image/bmp"
+            },
+            {
+                "dif", "video/x-dv"
+            },
+            {
+                "dir", "application/x-director"
+            },
+            {
+                "disco", "text/xml"
+            },
+            {
+                "divx", "video/divx"
+            },
+            {
+                "dll", "application/x-msdownload"
+            },
+            {
+                "dll.config", "text/xml"
+            },
+            {
+                "dlm", "text/dlm"
+            },
+            {
+                "doc", "application/msword"
+            },
+            {
+                "docm", "application/vnd.ms-word.document.macroEnabled.12"
+            },
+            {
+                "docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
+            },
+            {
+                "dot", "application/msword"
+            },
+            {
+                "dotm", "application/vnd.ms-word.template.macroEnabled.12"
+            },
+            {
+                "dotx", "application/vnd.openxmlformats-officedocument.wordprocessingml.template"
+            },
+            {
+                "dsp", "application/octet-stream"
+            },
+            {
+                "dsw", "text/plain"
+            },
+            {
+                "dtd", "text/xml"
+            },
+            {
+                "dtsConfig", "text/xml"
+            },
+            {
+                "dv", "video/x-dv"
+            },
+            {
+                "dvi", "application/x-dvi"
+            },
+            {
+                "dwf", "drawing/x-dwf"
+            },
+            {
+                "dwg", "application/acad"
+            },
+            {
+                "dwp", "application/octet-stream"
+            },
+            {
+                "dxf", "application/x-dxf"
+            },
+            {
+                "dxr", "application/x-director"
+            },
+            {
+                "eml", "message/rfc822"
+            },
+            {
+                "emf", "image/emf"
+            },
+            {
+                "emz", "application/octet-stream"
+            },
+            {
+                "eot", "application/vnd.ms-fontobject"
+            },
+            {
+                "eps", "application/postscript"
+            },
+            {
+                "es", "application/ecmascript"
+            },
+            {
+                "etl", "application/etl"
+            },
+            {
+                "etx", "text/x-setext"
+            },
+            {
+                "evy", "application/envoy"
+            },
+            {
+                "exe", "application/vnd.microsoft.portable-executable"
+            },
+            {
+                "exe.config", "text/xml"
+            },
+            {
+                "f4v", "video/mp4"
+            },
+            {
+                "fdf", "application/vnd.fdf"
+            },
+            {
+                "fif", "application/fractals"
+            },
+            {
+                "filters", "application/xml"
+            },
+            {
+                "fla", "application/octet-stream"
+            },
+            {
+                "flac", "audio/flac"
+            },
+            {
+                "flr", "x-world/x-vrml"
+            },
+            {
+                "flv", "video/x-flv"
+            },
+            {
+                "fsscript", "application/fsharp-script"
+            },
+            {
+                "fsx", "application/fsharp-script"
+            },
+            {
+                "generictest", "application/xml"
+            },
+            {
+                "geojson", "application/geo+json"
+            },
+            {
+                "gif", "image/gif"
+            },
+            {
+                "gpx", "application/gpx+xml"
+            },
+            {
+                "group", "text/x-ms-group"
+            },
+            {
+                "gsm", "audio/x-gsm"
+            },
+            {
+                "gtar", "application/x-gtar"
+            },
+            {
+                "gz", "application/x-gzip"
+            },
+            {
+                "h", "text/plain"
+            },
+            {
+                "hdf", "application/x-hdf"
+            },
+            {
+                "hdml", "text/x-hdml"
+            },
+            {
+                "heic", "image/heic"
+            },
+            {
+                "heics", "image/heic-sequence"
+            },
+            {
+                "heif", "image/heif"
+            },
+            {
+                "heifs", "image/heif-sequence"
+            },
+            {
+                "hhc", "application/x-oleobject"
+            },
+            {
+                "hhk", "application/octet-stream"
+            },
+            {
+                "hhp", "application/octet-stream"
+            },
+            {
+                "hlp", "application/winhlp"
+            },
+            {
+                "hpp", "text/plain"
+            },
+            {
+                "hqx", "application/mac-binhex40"
+            },
+            {
+                "hta", "application/hta"
+            },
+            {
+                "htc", "text/x-component"
+            },
+            {
+                "htm", "text/html"
+            },
+            {
+                "html", "text/html"
+            },
+            {
+                "htt", "text/webviewhtml"
+            },
+            {
+                "hxa", "application/xml"
+            },
+            {
+                "hxc", "application/xml"
+            },
+            {
+                "hxd", "application/octet-stream"
+            },
+            {
+                "hxe", "application/xml"
+            },
+            {
+                "hxf", "application/xml"
+            },
+            {
+                "hxh", "application/octet-stream"
+            },
+            {
+                "hxi", "application/octet-stream"
+            },
+            {
+                "hxk", "application/xml"
+            },
+            {
+                "hxq", "application/octet-stream"
+            },
+            {
+                "hxr", "application/octet-stream"
+            },
+            {
+                "hxs", "application/octet-stream"
+            },
+            {
+                "hxt", "text/html"
+            },
+            {
+                "hxv", "application/xml"
+            },
+            {
+                "hxw", "application/octet-stream"
+            },
+            {
+                "hxx", "text/plain"
+            },
+            {
+                "i", "text/plain"
+            },
+            {
+                "ical", "text/calendar"
+            },
+            {
+                "icalendar", "text/calendar"
+            },
+            {
+                "ico", "image/x-icon"
+            },
+            {
+                "ics", "text/calendar"
+            },
+            {
+                "idl", "text/plain"
+            },
+            {
+                "ief", "image/ief"
+            },
+            {
+                "ifb", "text/calendar"
+            },
+            {
+                "iii", "application/x-iphone"
+            },
+            {
+                "inc", "text/plain"
+            },
+            {
+                "inf", "application/octet-stream"
+            },
+            {
+                "ini", "text/plain"
+            },
+            {
+                "inl", "text/plain"
+            },
+            {
+                "ins", "application/x-internet-signup"
+            },
+            {
+                "ipa", "application/x-itunes-ipa"
+            },
+            {
+                "ipg", "application/x-itunes-ipg"
+            },
+            {
+                "ipproj", "text/plain"
+            },
+            {
+                "ipsw", "application/x-itunes-ipsw"
+            },
+            {
+                "iqy", "text/x-ms-iqy"
+            },
+            {
+                "isp", "application/x-internet-signup"
+            },
+            {
+                "isma", "application/octet-stream"
+            },
+            {
+                "ismv", "application/octet-stream"
+            },
+            {
+                "ite", "application/x-itunes-ite"
+            },
+            {
+                "itlp", "application/x-itunes-itlp"
+            },
+            {
+                "itms", "application/x-itunes-itms"
+            },
+            {
+                "itpc", "application/x-itunes-itpc"
+            },
+            {
+                "IVF", "video/x-ivf"
+            },
+            {
+                "jar", "application/java-archive"
+            },
+            {
+                "java", "application/octet-stream"
+            },
+            {
+                "jck", "application/liquidmotion"
+            },
+            {
+                "jcz", "application/liquidmotion"
+            },
+            {
+                "jfif", "image/pjpeg"
+            },
+            {
+                "jnlp", "application/x-java-jnlp-file"
+            },
+            {
+                "jpb", "application/octet-stream"
+            },
+            {
+                "jpe", "image/jpeg"
+            },
+            {
+                "jpeg", "image/jpeg"
+            },
+            {
+                "jpg", "image/jpeg"
+            },
+            {
+                "js", "application/javascript"
+            },
+            {
+                "json", "application/json"
+            },
+            {
+                "jsx", "text/jscript"
+            },
+            {
+                "jsxbin", "text/plain"
+            },
+            {
+                "key", "application/vnd.apple.keynote"
+            },
+            {
+                "latex", "application/x-latex"
+            },
+            {
+                "library-ms", "application/windows-library+xml"
+            },
+            {
+                "lit", "application/x-ms-reader"
+            },
+            {
+                "loadtest", "application/xml"
+            },
+            {
+                "lpk", "application/octet-stream"
+            },
+            {
+                "lsf", "video/x-la-asf"
+            },
+            {
+                "lst", "text/plain"
+            },
+            {
+                "lsx", "video/x-la-asf"
+            },
+            {
+                "lzh", "application/octet-stream"
+            },
+            {
+                "m13", "application/x-msmediaview"
+            },
+            {
+                "m14", "application/x-msmediaview"
+            },
+            {
+                "m1v", "video/mpeg"
+            },
+            {
+                "m2t", "video/vnd.dlna.mpeg-tts"
+            },
+            {
+                "m2ts", "video/vnd.dlna.mpeg-tts"
+            },
+            {
+                "m2v", "video/mpeg"
+            },
+            {
+                "m3u", "audio/x-mpegurl"
+            },
+            {
+                "m3u8", "audio/x-mpegurl"
+            },
+            {
+                "m4a", "audio/m4a"
+            },
+            {
+                "m4b", "audio/m4b"
+            },
+            {
+                "m4p", "audio/m4p"
+            },
+            {
+                "m4r", "audio/x-m4r"
+            },
+            {
+                "m4v", "video/x-m4v"
+            },
+            {
+                "mac", "image/x-macpaint"
+            },
+            {
+                "mak", "text/plain"
+            },
+            {
+                "man", "application/x-troff-man"
+            },
+            {
+                "manifest", "application/x-ms-manifest"
+            },
+            {
+                "map", "text/plain"
+            },
+            {
+                "master", "application/xml"
+            },
+            {
+                "mbox", "application/mbox"
+            },
+            {
+                "mda", "application/msaccess"
+            },
+            {
+                "mdb", "application/x-msaccess"
+            },
+            {
+                "mde", "application/msaccess"
+            },
+            {
+                "mdp", "application/octet-stream"
+            },
+            {
+                "me", "application/x-troff-me"
+            },
+            {
+                "mfp", "application/x-shockwave-flash"
+            },
+            {
+                "mht", "message/rfc822"
+            },
+            {
+                "mhtml", "message/rfc822"
+            },
+            {
+                "mid", "audio/mid"
+            },
+            {
+                "midi", "audio/mid"
+            },
+            {
+                "mix", "application/octet-stream"
+            },
+            {
+                "mk", "text/plain"
+            },
+            {
+                "mk3d", "video/x-matroska-3d"
+            },
+            {
+                "mka", "audio/x-matroska"
+            },
+            {
+                "mkv", "video/x-matroska"
+            },
+            {
+                "mmf", "application/x-smaf"
+            },
+            {
+                "mno", "text/xml"
+            },
+            {
+                "mny", "application/x-msmoney"
+            },
+            {
+                "mod", "video/mpeg"
+            },
+            {
+                "mov", "video/quicktime"
+            },
+            {
+                "movie", "video/x-sgi-movie"
+            },
+            {
+                "mp2", "video/mpeg"
+            },
+            {
+                "mp2v", "video/mpeg"
+            },
+            {
+                "mp3", "audio/mpeg"
+            },
+            {
+                "mp4", "video/mp4"
+            },
+            {
+                "mp4v", "video/mp4"
+            },
+            {
+                "mpa", "video/mpeg"
+            },
+            {
+                "mpe", "video/mpeg"
+            },
+            {
+                "mpeg", "video/mpeg"
+            },
+            {
+                "mpf", "application/vnd.ms-mediapackage"
+            },
+            {
+                "mpg", "video/mpeg"
+            },
+            {
+                "mpp", "application/vnd.ms-project"
+            },
+            {
+                "mpv2", "video/mpeg"
+            },
+            {
+                "mqv", "video/quicktime"
+            },
+            {
+                "ms", "application/x-troff-ms"
+            },
+            {
+                "msg", "application/vnd.ms-outlook"
+            },
+            {
+                "msi", "application/octet-stream"
+            },
+            {
+                "mso", "application/octet-stream"
+            },
+            {
+                "mts", "video/vnd.dlna.mpeg-tts"
+            },
+            {
+                "mtx", "application/xml"
+            },
+            {
+                "mvb", "application/x-msmediaview"
+            },
+            {
+                "mvc", "application/x-miva-compiled"
+            },
+            {
+                "mxf", "application/mxf"
+            },
+            {
+                "mxp", "application/x-mmxp"
+            },
+            {
+                "nc", "application/x-netcdf"
+            },
+            {
+                "nsc", "video/x-ms-asf"
+            },
+            {
+                "numbers", "application/vnd.apple.numbers"
+            },
+            {
+                "nws", "message/rfc822"
+            },
+            {
+                "ocx", "application/octet-stream"
+            },
+            {
+                "oda", "application/oda"
+            },
+            {
+                "odb", "application/vnd.oasis.opendocument.database"
+            },
+            {
+                "odc", "application/vnd.oasis.opendocument.chart"
+            },
+            {
+                "odf", "application/vnd.oasis.opendocument.formula"
+            },
+            {
+                "odg", "application/vnd.oasis.opendocument.graphics"
+            },
+            {
+                "odh", "text/plain"
+            },
+            {
+                "odi", "application/vnd.oasis.opendocument.image"
+            },
+            {
+                "odl", "text/plain"
+            },
+            {
+                "odm", "application/vnd.oasis.opendocument.text-master"
+            },
+            {
+                "odp", "application/vnd.oasis.opendocument.presentation"
+            },
+            {
+                "ods", "application/vnd.oasis.opendocument.spreadsheet"
+            },
+            {
+                "odt", "application/vnd.oasis.opendocument.text"
+            },
+            {
+                "oga", "audio/ogg"
+            },
+            {
+                "ogg", "audio/ogg"
+            },
+            {
+                "ogv", "video/ogg"
+            },
+            {
+                "ogx", "application/ogg"
+            },
+            {
+                "one", "application/onenote"
+            },
+            {
+                "onea", "application/onenote"
+            },
+            {
+                "onepkg", "application/onenote"
+            },
+            {
+                "onetmp", "application/onenote"
+            },
+            {
+                "onetoc", "application/onenote"
+            },
+            {
+                "onetoc2", "application/onenote"
+            },
+            {
+                "opus", "audio/ogg"
+            },
+            {
+                "orderedtest", "application/xml"
+            },
+            {
+                "osdx", "application/opensearchdescription+xml"
+            },
+            {
+                "otf", "application/font-sfnt"
+            },
+            {
+                "otg", "application/vnd.oasis.opendocument.graphics-template"
+            },
+            {
+                "oth", "application/vnd.oasis.opendocument.text-web"
+            },
+            {
+                "otp", "application/vnd.oasis.opendocument.presentation-template"
+            },
+            {
+                "ots", "application/vnd.oasis.opendocument.spreadsheet-template"
+            },
+            {
+                "ott", "application/vnd.oasis.opendocument.text-template"
+            },
+            {
+                "oxps", "application/oxps"
+            },
+            {
+                "oxt", "application/vnd.openofficeorg.extension"
+            },
+            {
+                "p10", "application/pkcs10"
+            },
+            {
+                "p12", "application/x-pkcs12"
+            },
+            {
+                "p7b", "application/x-pkcs7-certificates"
+            },
+            {
+                "p7c", "application/pkcs7-mime"
+            },
+            {
+                "p7m", "application/pkcs7-mime"
+            },
+            {
+                "p7r", "application/x-pkcs7-certreqresp"
+            },
+            {
+                "p7s", "application/pkcs7-signature"
+            },
+            {
+                "pages", "application/vnd.apple.pages"
+            },
+            {
+                "pbm", "image/x-portable-bitmap"
+            },
+            {
+                "pcast", "application/x-podcast"
+            },
+            {
+                "pct", "image/pict"
+            },
+            {
+                "pcx", "application/octet-stream"
+            },
+            {
+                "pcz", "application/octet-stream"
+            },
+            {
+                "pdf", "application/pdf"
+            },
+            {
+                "pfb", "application/octet-stream"
+            },
+            {
+                "pfm", "application/octet-stream"
+            },
+            {
+                "pfx", "application/x-pkcs12"
+            },
+            {
+                "pgm", "image/x-portable-graymap"
+            },
+            {
+                "pic", "image/pict"
+            },
+            {
+                "pict", "image/pict"
+            },
+            {
+                "pkgdef", "text/plain"
+            },
+            {
+                "pkgundef", "text/plain"
+            },
+            {
+                "pko", "application/vnd.ms-pki.pko"
+            },
+            {
+                "pls", "audio/scpls"
+            },
+            {
+                "pma", "application/x-perfmon"
+            },
+            {
+                "pmc", "application/x-perfmon"
+            },
+            {
+                "pml", "application/x-perfmon"
+            },
+            {
+                "pmr", "application/x-perfmon"
+            },
+            {
+                "pmw", "application/x-perfmon"
+            },
+            {
+                "png", "image/png"
+            },
+            {
+                "pnm", "image/x-portable-anymap"
+            },
+            {
+                "pnt", "image/x-macpaint"
+            },
+            {
+                "pntg", "image/x-macpaint"
+            },
+            {
+                "pnz", "image/png"
+            },
+            {
+                "pot", "application/vnd.ms-powerpoint"
+            },
+            {
+                "potm", "application/vnd.ms-powerpoint.template.macroEnabled.12"
+            },
+            {
+                "potx", "application/vnd.openxmlformats-officedocument.presentationml.template"
+            },
+            {
+                "ppa", "application/vnd.ms-powerpoint"
+            },
+            {
+                "ppam", "application/vnd.ms-powerpoint.addin.macroEnabled.12"
+            },
+            {
+                "ppm", "image/x-portable-pixmap"
+            },
+            {
+                "pps", "application/vnd.ms-powerpoint"
+            },
+            {
+                "ppsm", "application/vnd.ms-powerpoint.slideshow.macroEnabled.12"
+            },
+            {
+                "ppsx", "application/vnd.openxmlformats-officedocument.presentationml.slideshow"
+            },
+            {
+                "ppt", "application/vnd.ms-powerpoint"
+            },
+            {
+                "pptm", "application/vnd.ms-powerpoint.presentation.macroEnabled.12"
+            },
+            {
+                "pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation"
+            },
+            {
+                "prf", "application/pics-rules"
+            },
+            {
+                "prm", "application/octet-stream"
+            },
+            {
+                "prx", "application/octet-stream"
+            },
+            {
+                "ps", "application/postscript"
+            },
+            {
+                "psc1", "application/PowerShell"
+            },
+            {
+                "psd", "application/octet-stream"
+            },
+            {
+                "psess", "application/xml"
+            },
+            {
+                "psm", "application/octet-stream"
+            },
+            {
+                "psp", "application/octet-stream"
+            },
+            {
+                "pst", "application/vnd.ms-outlook"
+            },
+            {
+                "pub", "application/x-mspublisher"
+            },
+            {
+                "pwz", "application/vnd.ms-powerpoint"
+            },
+            {
+                "qht", "text/x-html-insertion"
+            },
+            {
+                "qhtm", "text/x-html-insertion"
+            },
+            {
+                "qt", "video/quicktime"
+            },
+            {
+                "qti", "image/x-quicktime"
+            },
+            {
+                "qtif", "image/x-quicktime"
+            },
+            {
+                "qtl", "application/x-quicktimeplayer"
+            },
+            {
+                "qxd", "application/octet-stream"
+            },
+            {
+                "ra", "audio/x-pn-realaudio"
+            },
+            {
+                "ram", "audio/x-pn-realaudio"
+            },
+            {
+                "rar", "application/x-rar-compressed"
+            },
+            {
+                "ras", "image/x-cmu-raster"
+            },
+            {
+                "rat", "application/rat-file"
+            },
+            {
+                "rc", "text/plain"
+            },
+            {
+                "rc2", "text/plain"
+            },
+            {
+                "rct", "text/plain"
+            },
+            {
+                "rdlc", "application/xml"
+            },
+            {
+                "reg", "text/plain"
+            },
+            {
+                "resx", "application/xml"
+            },
+            {
+                "rf", "image/vnd.rn-realflash"
+            },
+            {
+                "rgb", "image/x-rgb"
+            },
+            {
+                "rgs", "text/plain"
+            },
+            {
+                "rm", "application/vnd.rn-realmedia"
+            },
+            {
+                "rmi", "audio/mid"
+            },
+            {
+                "rmp", "application/vnd.rn-rn_music_package"
+            },
+            {
+                "rmvb", "application/vnd.rn-realmedia-vbr"
+            },
+            {
+                "roff", "application/x-troff"
+            },
+            {
+                "rpm", "audio/x-pn-realaudio-plugin"
+            },
+            {
+                "rqy", "text/x-ms-rqy"
+            },
+            {
+                "rtf", "application/rtf"
+            },
+            {
+                "rtx", "text/richtext"
+            },
+            {
+                "rvt", "application/octet-stream"
+            },
+            {
+                "ruleset", "application/xml"
+            },
+            {
+                "s", "text/plain"
+            },
+            {
+                "safariextz", "application/x-safari-safariextz"
+            },
+            {
+                "scd", "application/x-msschedule"
+            },
+            {
+                "scr", "text/plain"
+            },
+            {
+                "sct", "text/scriptlet"
+            },
+            {
+                "sd2", "audio/x-sd2"
+            },
+            {
+                "sdp", "application/sdp"
+            },
+            {
+                "sea", "application/octet-stream"
+            },
+            {
+                "searchConnector-ms", "application/windows-search-connector+xml"
+            },
+            {
+                "setpay", "application/set-payment-initiation"
+            },
+            {
+                "setreg", "application/set-registration-initiation"
+            },
+            {
+                "settings", "application/xml"
+            },
+            {
+                "sgimb", "application/x-sgimb"
+            },
+            {
+                "sgml", "text/sgml"
+            },
+            {
+                "sh", "application/x-sh"
+            },
+            {
+                "shar", "application/x-shar"
+            },
+            {
+                "shtml", "text/html"
+            },
+            {
+                "sit", "application/x-stuffit"
+            },
+            {
+                "sitemap", "application/xml"
+            },
+            {
+                "skin", "application/xml"
+            },
+            {
+                "skp", "application/x-koan"
+            },
+            {
+                "sldm", "application/vnd.ms-powerpoint.slide.macroEnabled.12"
+            },
+            {
+                "sldx", "application/vnd.openxmlformats-officedocument.presentationml.slide"
+            },
+            {
+                "slk", "application/vnd.ms-excel"
+            },
+            {
+                "sln", "text/plain"
+            },
+            {
+                "slupkg-ms", "application/x-ms-license"
+            },
+            {
+                "smd", "audio/x-smd"
+            },
+            {
+                "smi", "application/octet-stream"
+            },
+            {
+                "smx", "audio/x-smd"
+            },
+            {
+                "smz", "audio/x-smd"
+            },
+            {
+                "snd", "audio/basic"
+            },
+            {
+                "snippet", "application/xml"
+            },
+            {
+                "snp", "application/octet-stream"
+            },
+            {
+                "sql", "application/sql"
+            },
+            {
+                "sol", "text/plain"
+            },
+            {
+                "sor", "text/plain"
+            },
+            {
+                "spc", "application/x-pkcs7-certificates"
+            },
+            {
+                "spl", "application/futuresplash"
+            },
+            {
+                "spx", "audio/ogg"
+            },
+            {
+                "src", "application/x-wais-source"
+            },
+            {
+                "srf", "text/plain"
+            },
+            {
+                "SSISDeploymentManifest", "text/xml"
+            },
+            {
+                "ssm", "application/streamingmedia"
+            },
+            {
+                "sst", "application/vnd.ms-pki.certstore"
+            },
+            {
+                "stl", "application/vnd.ms-pki.stl"
+            },
+            {
+                "sv4cpio", "application/x-sv4cpio"
+            },
+            {
+                "sv4crc", "application/x-sv4crc"
+            },
+            {
+                "svc", "application/xml"
+            },
+            {
+                "svg", "image/svg+xml"
+            },
+            {
+                "swf", "application/x-shockwave-flash"
+            },
+            {
+                "step", "application/step"
+            },
+            {
+                "stp", "application/step"
+            },
+            {
+                "t", "application/x-troff"
+            },
+            {
+                "tar", "application/x-tar"
+            },
+            {
+                "tcl", "application/x-tcl"
+            },
+            {
+                "testrunconfig", "application/xml"
+            },
+            {
+                "testsettings", "application/xml"
+            },
+            {
+                "tex", "application/x-tex"
+            },
+            {
+                "texi", "application/x-texinfo"
+            },
+            {
+                "texinfo", "application/x-texinfo"
+            },
+            {
+                "tgz", "application/x-compressed"
+            },
+            {
+                "thmx", "application/vnd.ms-officetheme"
+            },
+            {
+                "thn", "application/octet-stream"
+            },
+            {
+                "tif", "image/tiff"
+            },
+            {
+                "tiff", "image/tiff"
+            },
+            {
+                "tlh", "text/plain"
+            },
+            {
+                "tli", "text/plain"
+            },
+            {
+                "toc", "application/octet-stream"
+            },
+            {
+                "tr", "application/x-troff"
+            },
+            {
+                "trm", "application/x-msterminal"
+            },
+            {
+                "trx", "application/xml"
+            },
+            {
+                "ts", "video/vnd.dlna.mpeg-tts"
+            },
+            {
+                "tsv", "text/tab-separated-values"
+            },
+            {
+                "ttf", "application/font-sfnt"
+            },
+            {
+                "tts", "video/vnd.dlna.mpeg-tts"
+            },
+            {
+                "txt", "text/plain"
+            },
+            {
+                "u32", "application/octet-stream"
+            },
+            {
+                "uls", "text/iuls"
+            },
+            {
+                "user", "text/plain"
+            },
+            {
+                "ustar", "application/x-ustar"
+            },
+            {
+                "vb", "text/plain"
+            },
+            {
+                "vbdproj", "text/plain"
+            },
+            {
+                "vbk", "video/mpeg"
+            },
+            {
+                "vbproj", "text/plain"
+            },
+            {
+                "vbs", "text/vbscript"
+            },
+            {
+                "vcf", "text/x-vcard"
+            },
+            {
+                "vcproj", "application/xml"
+            },
+            {
+                "vcs", "text/plain"
+            },
+            {
+                "vcxproj", "application/xml"
+            },
+            {
+                "vddproj", "text/plain"
+            },
+            {
+                "vdp", "text/plain"
+            },
+            {
+                "vdproj", "text/plain"
+            },
+            {
+                "vdx", "application/vnd.ms-visio.viewer"
+            },
+            {
+                "vml", "text/xml"
+            },
+            {
+                "vscontent", "application/xml"
+            },
+            {
+                "vsct", "text/xml"
+            },
+            {
+                "vsd", "application/vnd.visio"
+            },
+            {
+                "vsi", "application/ms-vsi"
+            },
+            {
+                "vsix", "application/vsix"
+            },
+            {
+                "vsixlangpack", "text/xml"
+            },
+            {
+                "vsixmanifest", "text/xml"
+            },
+            {
+                "vsmdi", "application/xml"
+            },
+            {
+                "vspscc", "text/plain"
+            },
+            {
+                "vss", "application/vnd.visio"
+            },
+            {
+                "vsscc", "text/plain"
+            },
+            {
+                "vssettings", "text/xml"
+            },
+            {
+                "vssscc", "text/plain"
+            },
+            {
+                "vst", "application/vnd.visio"
+            },
+            {
+                "vstemplate", "text/xml"
+            },
+            {
+                "vsto", "application/x-ms-vsto"
+            },
+            {
+                "vsw", "application/vnd.visio"
+            },
+            {
+                "vsx", "application/vnd.visio"
+            },
+            {
+                "vtt", "text/vtt"
+            },
+            {
+                "vtx", "application/vnd.visio"
+            },
+            {
+                "wasm", "application/wasm"
+            },
+            {
+                "wav", "audio/wav"
+            },
+            {
+                "wave", "audio/wav"
+            },
+            {
+                "wax", "audio/x-ms-wax"
+            },
+            {
+                "wbk", "application/msword"
+            },
+            {
+                "wbmp", "image/vnd.wap.wbmp"
+            },
+            {
+                "wcm", "application/vnd.ms-works"
+            },
+            {
+                "wdb", "application/vnd.ms-works"
+            },
+            {
+                "wdp", "image/vnd.ms-photo"
+            },
+            {
+                "webarchive", "application/x-safari-webarchive"
+            },
+            {
+                "webm", "video/webm"
+            },
+            {
+                "webp", "image/webp"
+            }, /* https://en.wikipedia.org/wiki/WebP */
+            {
+                "webtest", "application/xml"
+            },
+            {
+                "wiq", "application/xml"
+            },
+            {
+                "wiz", "application/msword"
+            },
+            {
+                "wks", "application/vnd.ms-works"
+            },
+            {
+                "WLMP", "application/wlmoviemaker"
+            },
+            {
+                "wlpginstall", "application/x-wlpg-detect"
+            },
+            {
+                "wlpginstall3", "application/x-wlpg3-detect"
+            },
+            {
+                "wm", "video/x-ms-wm"
+            },
+            {
+                "wma", "audio/x-ms-wma"
+            },
+            {
+                "wmd", "application/x-ms-wmd"
+            },
+            {
+                "wmf", "application/x-msmetafile"
+            },
+            {
+                "wml", "text/vnd.wap.wml"
+            },
+            {
+                "wmlc", "application/vnd.wap.wmlc"
+            },
+            {
+                "wmls", "text/vnd.wap.wmlscript"
+            },
+            {
+                "wmlsc", "application/vnd.wap.wmlscriptc"
+            },
+            {
+                "wmp", "video/x-ms-wmp"
+            },
+            {
+                "wmv", "video/x-ms-wmv"
+            },
+            {
+                "wmx", "video/x-ms-wmx"
+            },
+            {
+                "wmz", "application/x-ms-wmz"
+            },
+            {
+                "woff", "application/font-woff"
+            },
+            {
+                "woff2", "application/font-woff2"
+            },
+            {
+                "wpl", "application/vnd.ms-wpl"
+            },
+            {
+                "wps", "application/vnd.ms-works"
+            },
+            {
+                "wri", "application/x-mswrite"
+            },
+            {
+                "wrl", "x-world/x-vrml"
+            },
+            {
+                "wrz", "x-world/x-vrml"
+            },
+            {
+                "wsc", "text/scriptlet"
+            },
+            {
+                "wsdl", "text/xml"
+            },
+            {
+                "wvx", "video/x-ms-wvx"
+            },
+            {
+                "x", "application/directx"
+            },
+            {
+                "xaf", "x-world/x-vrml"
+            },
+            {
+                "xaml", "application/xaml+xml"
+            },
+            {
+                "xap", "application/x-silverlight-app"
+            },
+            {
+                "xbap", "application/x-ms-xbap"
+            },
+            {
+                "xbm", "image/x-xbitmap"
+            },
+            {
+                "xdr", "text/plain"
+            },
+            {
+                "xht", "application/xhtml+xml"
+            },
+            {
+                "xhtml", "application/xhtml+xml"
+            },
+            {
+                "xla", "application/vnd.ms-excel"
+            },
+            {
+                "xlam", "application/vnd.ms-excel.addin.macroEnabled.12"
+            },
+            {
+                "xlc", "application/vnd.ms-excel"
+            },
+            {
+                "xld", "application/vnd.ms-excel"
+            },
+            {
+                "xlk", "application/vnd.ms-excel"
+            },
+            {
+                "xll", "application/vnd.ms-excel"
+            },
+            {
+                "xlm", "application/vnd.ms-excel"
+            },
+            {
+                "xls", "application/vnd.ms-excel"
+            },
+            {
+                "xlsb", "application/vnd.ms-excel.sheet.binary.macroEnabled.12"
+            },
+            {
+                "xlsm", "application/vnd.ms-excel.sheet.macroEnabled.12"
+            },
+            {
+                "xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
+            },
+            {
+                "xlt", "application/vnd.ms-excel"
+            },
+            {
+                "xltm", "application/vnd.ms-excel.template.macroEnabled.12"
+            },
+            {
+                "xltx", "application/vnd.openxmlformats-officedocument.spreadsheetml.template"
+            },
+            {
+                "xlw", "application/vnd.ms-excel"
+            },
+            {
+                "xml", "text/xml"
+            },
+            {
+                "xmp", "application/octet-stream"
+            },
+            {
+                "xmta", "application/xml"
+            },
+            {
+                "xof", "x-world/x-vrml"
+            },
+            {
+                "XOML", "text/plain"
+            },
+            {
+                "xpm", "image/x-xpixmap"
+            },
+            {
+                "xps", "application/vnd.ms-xpsdocument"
+            },
+            {
+                "xrm-ms", "text/xml"
+            },
+            {
+                "xsc", "application/xml"
+            },
+            {
+                "xsd", "text/xml"
+            },
+            {
+                "xsf", "text/xml"
+            },
+            {
+                "xsl", "text/xml"
+            },
+            {
+                "xslt", "text/xml"
+            },
+            {
+                "xsn", "application/octet-stream"
+            },
+            {
+                "xss", "application/xml"
+            },
+            {
+                "xspf", "application/xspf+xml"
+            },
+            {
+                "xtp", "application/octet-stream"
+            },
+            {
+                "xwd", "image/x-xwindowdump"
+            },
+            {
+                "z", "application/x-compress"
+            },
+            {
+                "zip", "application/zip"
+            },
+        };
+
+    private static IDictionary<string, string> _mimeTypeToExtensionMappings;
+
+    private static IDictionary<string, string> MimeTypeToExtensionMappings
+        => _mimeTypeToExtensionMappings ??= GenerateMimeTypeToExtensionMappings();
+
+    private static IDictionary<string, string> GenerateMimeTypeToExtensionMappings()
+    {
+        // multiple mappings exist for these types - pre-seed with the most likely
+        var result = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
+        {
+            {
+                "application/fsharp-script", "fsx"
+            },
+            {
+                "application/msaccess", "adp"
+            },
+            {
+                "application/msword", "doc"
+            },
+            {
+                "application/octet-stream", "bin"
+            },
+            {
+                "application/onenote", "one"
+            },
+            {
+                "application/postscript", "eps"
+            },
+            {
+                "application/step", "step"
+            },
+            {
+                "application/vndapplekeynote", "key"
+            },
+            {
+                "application/vndapplenumbers", "numbers"
+            },
+            {
+                "application/vndapplepages", "pages"
+            },
+            {
+                "application/vndms-excel", "xls"
+            },
+            {
+                "application/vndms-powerpoint", "ppt"
+            },
+            {
+                "application/vndms-works", "wks"
+            },
+            {
+                "application/vndvisio", "vsd"
+            },
+            {
+                "application/x-director", "dir"
+            },
+            {
+                "application/x-msdos-program", "exe"
+            },
+            {
+                "application/x-shockwave-flash", "swf"
+            },
+            {
+                "application/x-x509-ca-cert", "cer"
+            },
+            {
+                "application/x-zip-compressed", "zip"
+            },
+            {
+                "application/xhtml+xml", "xhtml"
+            },
+            {
+                "application/x-iwork-keynote-sffkey", "key"
+            },
+            {
+                "application/x-iwork-numbers-sffnumbers", "numbers"
+            },
+            {
+                "application/x-iwork-pages-sffpages", "pages"
+            },
+            {
+                "application/xml", "xml"
+            }, // anomaly, .xml -> text/xml, but application/xml -> many things, but all are xml, so safest is .xml
+            {
+                "audio/aac", "aac"
+            },
+            {
+                "audio/aiff", "aiff"
+            },
+            {
+                "audio/basic", "snd"
+            },
+            {
+                "audio/mid", "midi"
+            },
+            {
+                "audio/mp4", "m4a"
+            }, // one way mapping only, mime -> ext
+            {
+                "audio/ogg", "ogg"
+            },
+            {
+                "audio/ogg; codecs=opus", "opus"
+            },
+            {
+                "audio/wav", "wav"
+            },
+            {
+                "audio/x-m4a", "m4a"
+            },
+            {
+                "audio/x-mpegurl", "m3u"
+            },
+            {
+                "audio/x-pn-realaudio", "ra"
+            },
+            {
+                "audio/x-smd", "smd"
+            },
+            {
+                "image/bmp", "bmp"
+            },
+            {
+                "image/heic", "heic"
+            },
+            {
+                "image/heif", "heif"
+            },
+            {
+                "image/jpeg", "jpg"
+            },
+            {
+                "image/pict", "pic"
+            },
+            {
+                "image/png", "png"
+            }, // Defined in [RFC-2045], [RFC-2048]
+            {
+                "image/x-png", "png"
+            }, // See https://www.w3.org/TR/PNG/#A-Media-type :"It is recommended that implementations also recognize the media type "image/x-png"."
+            {
+                "image/tiff", "tiff"
+            },
+            {
+                "image/x-macpaint", "mac"
+            },
+            {
+                "image/x-quicktime", "qti"
+            },
+            {
+                "message/rfc822", "eml"
+            },
+            {
+                "text/calendar", "ics"
+            },
+            {
+                "text/html", "html"
+            },
+            {
+                "text/plain", "txt"
+            },
+            {
+                "text/scriptlet", "wsc"
+            },
+            {
+                "text/xml", "xml"
+            },
+            {
+                "video/3gpp", "3gp"
+            },
+            {
+                "video/3gpp2", "3gp2"
+            },
+            {
+                "video/mp4", "mp4"
+            },
+            {
+                "video/mpeg", "mpg"
+            },
+            {
+                "video/quicktime", "mov"
+            },
+            {
+                "video/vnddlnampeg-tts", "m2t"
+            },
+            {
+                "video/x-dv", "dv"
+            },
+            {
+                "video/x-la-asf", "lsf"
+            },
+            {
+                "video/x-ms-asf", "asf"
+            },
+            {
+                "x-world/x-vrml", "xof"
+            },
+        };
+
+        foreach (var kvp in ExtensionToMimeTypeMappings)
+        {
+            if (result.ContainsKey(kvp.Value))
+            {
+                // some mime-types map onto more than one
+                // extension - take the first for a reverse-lookup
+                continue;
+            }
+
+            result[kvp.Value] = kvp.Key;
+        }
+
+        return result;
     }
 }
\ No newline at end of file