1 files changed, 26 insertions, 0 deletions
diff --git a/MediaBrowser.Controller/Library/ISimilarItemsProvider.cs b/MediaBrowser.Controller/Library/ISimilarItemsProvider.cs
new file mode 100644
index 0000000000..0d089369a8
--- /dev/null
+++ b/MediaBrowser.Controller/Library/ISimilarItemsProvider.cs
@@ -0,0 +1,26 @@
+using System;
+using MediaBrowser.Model.Configuration;
+
+namespace MediaBrowser.Controller.Library;
+
+/// <summary>
+/// Base marker interface for similar items providers.
+/// </summary>
+public interface ISimilarItemsProvider
+{
+    /// <summary>
+    /// Gets the name of the provider.
+    /// </summary>
+    string Name { get; }
+
+    /// <summary>
+    /// Gets the type of the provider.
+    /// </summary>
+    MetadataPluginType Type { get; }
+
+    /// <summary>
+    /// Gets the cache duration for results from this provider.
+    /// If null, results will not be cached.
+    /// </summary>
+    TimeSpan? CacheDuration => null;
+}