Move GetCustomTagDelimiters to Extension

MediaBrowser.Model/Configuration/LibraryOptions.cs

@@ -149,19 +149,5 @@ namespace MediaBrowser.Model.Configuration
 
             return null;
         }
-
-        public char[] GetCustomTagDelimiters()
-        {
-            return CustomTagDelimiters.Select<string, char?>(x =>
-            {
-                var isChar = char.TryParse(x, out var c);
-                if (isChar)
-                {
-                    return c;
-                }
-
-                return null;
-            }).Where(x => x is not null).Select(x => x!.Value).ToArray();
-        }
     }
 }

MediaBrowser.Model/Extensions/LibraryOptionsExtension.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Linq;
+using MediaBrowser.Model.Configuration;
+
+namespace MediaBrowser.Model.Extensions;
+
+/// <summary>
+/// Extensions for <see cref="LibraryOptions"/>.
+/// </summary>
+public static class LibraryOptionsExtension
+{
+    /// <summary>
+    /// Get the custom tag delimiters.
+    /// </summary>
+    /// <param name="options">This LibraryOptions.</param>
+    /// <returns>CustomTagDelimiters in char[].</returns>
+    public static char[] GetCustomTagDelimiters(this LibraryOptions options)
+    {
+        ArgumentNullException.ThrowIfNull(options);
+
+        return options.CustomTagDelimiters.Select<string, char?>(x =>
+        {
+            var isChar = char.TryParse(x, out var c);
+            if (isChar)
+            {
+                return c;
+            }
+
+            return null;
+        }).Where(x => x is not null).Select(x => x!.Value).ToArray();
+    }
+}

MediaBrowser.Providers/MediaInfo/AudioFileProber.cs

@@ -16,6 +16,7 @@ using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Extensions;
 using MediaBrowser.Model.MediaInfo;
 using Microsoft.Extensions.Logging;