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src/Core/FileTime.Core.Abstraction/ContentAccess/IContentProviderRegistry.cs

@@ -1,8 +1,10 @@
+using System.Collections.ObjectModel;
+
 namespace FileTime.Core.ContentAccess;
 
 public interface IContentProviderRegistry
 {
-    IEnumerable<IContentProvider> ContentProviders { get; }
+    ReadOnlyObservableCollection<IContentProvider> ContentProviders { get; }
     void AddContentProvider(IContentProvider contentProvider);
     void RemoveContentProvider(IContentProvider contentProvider);
 }

src/Core/FileTime.Core.Abstraction/ContentAccess/IRootContentProvider.cs

@@ -0,0 +1,6 @@
+namespace FileTime.Core.ContentAccess;
+
+public interface IRootContentProvider : IContentProvider
+{
+    
+}

src/Core/FileTime.Core.Abstraction/Models/FullName.cs

@@ -4,25 +4,29 @@ public record FullName(string Path)
 {
     public FullName? GetParent()
     {
+        if (Path.Length == 0) return null;
         var pathParts = Path.TrimEnd(Constants.SeparatorChar).Split(Constants.SeparatorChar);
         return pathParts.Length switch
         {
             > 1 => CreateSafe(string.Join(Constants.SeparatorChar, pathParts.SkipLast(1))),
-            _ => null
+            _ => CreateSafe("")
         };
     }
 
     public static FullName? CreateSafe(string? path)
     {
-        if (string.IsNullOrWhiteSpace(path))
+        if (path is null)
             return null;
+        if (string.IsNullOrWhiteSpace(path))
+            return new FullName("");
+
         return new(path);
     }
 
     public string GetName()
         => Path.Split(Constants.SeparatorChar).Last();
 
-    public FullName GetChild(string childName) 
+    public FullName GetChild(string childName)
         => new(Path + Constants.SeparatorChar + childName);
 
     public override string ToString() => Path;

src/Core/FileTime.Core.Abstraction/Models/ItemInitializationSettings.cs

@@ -1,11 +1,7 @@
 namespace FileTime.Core.Models;
 
-public readonly struct ItemInitializationSettings
+public sealed class ItemInitializationSettings
 {
-    public readonly bool SkipChildInitialization;
-
-    public ItemInitializationSettings(bool skipChildInitialization)
-    {
-        SkipChildInitialization = skipChildInitialization;
-    }
+    public bool SkipChildInitialization { get; init; }
+    public AbsolutePath? Parent { get; init; }
 }