Implement search providers

MediaBrowser.Controller/Library/SearchProviderQuery.cs

@@ -0,0 +1,45 @@
+using System;
+using Jellyfin.Data.Enums;
+
+namespace MediaBrowser.Controller.Library;
+
+/// <summary>
+/// Query object for search providers.
+/// </summary>
+public class SearchProviderQuery
+{
+    /// <summary>
+    /// Gets the search term.
+    /// </summary>
+    public required string SearchTerm { get; init; }
+
+    /// <summary>
+    /// Gets the user ID for user-specific searches.
+    /// </summary>
+    public Guid? UserId { get; init; }
+
+    /// <summary>
+    /// Gets the item types to include in the search.
+    /// </summary>
+    public BaseItemKind[] IncludeItemTypes { get; init; } = [];
+
+    /// <summary>
+    /// Gets the item types to exclude from the search.
+    /// </summary>
+    public BaseItemKind[] ExcludeItemTypes { get; init; } = [];
+
+    /// <summary>
+    /// Gets the media types to include in the search.
+    /// </summary>
+    public MediaType[] MediaTypes { get; init; } = [];
+
+    /// <summary>
+    /// Gets the maximum number of results to return.
+    /// </summary>
+    public int? Limit { get; init; }
+
+    /// <summary>
+    /// Gets the parent ID to scope the search.
+    /// </summary>
+    public Guid? ParentId { get; init; }
+}