switch to generic lookup type

MediaBrowser.Controller/Entities/IHasMetadata.cs

@@ -0,0 +1,48 @@
+using System;
+using System.Collections.Generic;
+using MediaBrowser.Model.Entities;
+
+namespace MediaBrowser.Controller.Entities
+{
+    /// <summary>
+    /// Interface IHasMetadata
+    /// </summary>
+    public interface IHasMetadata : IHasImages
+    {
+        /// <summary>
+        /// Gets the preferred metadata country code.
+        /// </summary>
+        /// <returns>System.String.</returns>
+        string GetPreferredMetadataCountryCode();
+
+        /// <summary>
+        /// Gets the date modified.
+        /// </summary>
+        /// <value>The date modified.</value>
+        DateTime DateModified { get; }
+
+        /// <summary>
+        /// Gets the locked fields.
+        /// </summary>
+        /// <value>The locked fields.</value>
+        List<MetadataFields> LockedFields { get; }
+
+        /// <summary>
+        /// Gets or sets the date last saved.
+        /// </summary>
+        /// <value>The date last saved.</value>
+        DateTime DateLastSaved { get; set; }
+
+        /// <summary>
+        /// Determines whether [is save local metadata enabled].
+        /// </summary>
+        /// <returns><c>true</c> if [is save local metadata enabled]; otherwise, <c>false</c>.</returns>
+        bool IsSaveLocalMetadataEnabled();
+
+        /// <summary>
+        /// Gets a value indicating whether this instance is in mixed folder.
+        /// </summary>
+        /// <value><c>true</c> if this instance is in mixed folder; otherwise, <c>false</c>.</value>
+        bool IsInMixedFolder { get; }
+    }
+}