diff --git a/src/MyNet.Utilities/Converters/IConverter.cs b/src/MyNet.Utilities/Converters/IConverter.cs
new file mode 100644
index 0000000..45ac277
--- /dev/null
+++ b/src/MyNet.Utilities/Converters/IConverter.cs
@@ -0,0 +1,12 @@
+// Copyright (c) Stéphane ANDRE. All Right Reserved.
+// See the LICENSE file in the project root for more information.
+
+namespace MyNet.Utilities.Converters
+{
+    internal interface IConverter<TFrom, TTo>
+    {
+        TTo Convert(TFrom item);
+
+        TFrom ConvertBack(TTo item);
+    }
+}
diff --git a/src/MyNet.Utilities/ICloneable.cs b/src/MyNet.Utilities/ICloneable.cs
index aff9125..496faee 100644
--- a/src/MyNet.Utilities/ICloneable.cs
+++ b/src/MyNet.Utilities/ICloneable.cs
@@ -3,17 +3,8 @@
 
 namespace MyNet.Utilities
 {
-    /// <summary>
-    /// Supports copying, which creates a new instance of a class with the same values as an existing instance.
-    /// </summary>
     public interface ICloneable<out T>
     {
-        /// <summary>
-        /// Creates a deep copy of the current object including its properties.
-        /// </summary>     
-        /// <returns>
-        /// A copy of the current object.
-        /// </returns>
         T Clone();
     }
 }
diff --git a/src/MyNet.Utilities/IModifiable.cs b/src/MyNet.Utilities/IModifiable.cs
index f39589e..33223c0 100644
--- a/src/MyNet.Utilities/IModifiable.cs
+++ b/src/MyNet.Utilities/IModifiable.cs
@@ -5,14 +5,8 @@ namespace MyNet.Utilities
 {
     public interface IModifiable
     {
-        /// <summary>
-        /// Reset IsModified value.
-        /// </summary>
         void ResetIsModified();
 
-        /// <summary>
-        /// Gets if the object is modified.
-        /// </summary>
         bool IsModified();
     }
 }
diff --git a/src/MyNet.Utilities/IO/ItemsFileProvider.cs b/src/MyNet.Utilities/IO/ItemsFileProvider.cs
index ec6aec8..66c3311 100644
--- a/src/MyNet.Utilities/IO/ItemsFileProvider.cs
+++ b/src/MyNet.Utilities/IO/ItemsFileProvider.cs
@@ -4,23 +4,17 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
+using MyNet.Utilities.Providers;
 
 namespace MyNet.Utilities.IO
 {
     public abstract class ItemsFileProvider<T> : IItemsProvider<T>
     {
-        private readonly Func<T, bool> _predicate;
-
         public string? Filename { get; private set; }
 
         public IEnumerable<Exception> Exceptions { get; private set; } = [];
 
-        protected ItemsFileProvider(string? filename = null, Func<T, bool>? predicate = null)
-        {
-            SetFilename(filename.OrEmpty());
-            _predicate = predicate ?? new Func<T, bool>(x => true);
-        }
+        protected ItemsFileProvider(string? filename = null) => SetFilename(filename.OrEmpty());
 
         public void SetFilename(string filename) => Filename = filename;
 
@@ -36,7 +30,7 @@ public IEnumerable<T> ProvideItems()
             var (items, exceptions) = LoadItems(Filename);
             Exceptions = exceptions;
 
-            return items.Where(_predicate);
+            return items;
         }
 
         protected abstract (IEnumerable<T> items, IEnumerable<Exception> exceptions) LoadItems(string filename);
diff --git a/src/MyNet.Utilities/IItemsProvider.cs b/src/MyNet.Utilities/Providers/IItemsProvider.cs
similarity index 87%
rename from src/MyNet.Utilities/IItemsProvider.cs
rename to src/MyNet.Utilities/Providers/IItemsProvider.cs
index e24f940..bf2ce55 100644
--- a/src/MyNet.Utilities/IItemsProvider.cs
+++ b/src/MyNet.Utilities/Providers/IItemsProvider.cs
@@ -3,7 +3,7 @@
 
 using System.Collections.Generic;
 
-namespace MyNet.Utilities
+namespace MyNet.Utilities.Providers
 {
     public interface IItemsProvider<out T>
     {
diff --git a/src/MyNet.Utilities/Providers/PredicateItemsProvider.cs b/src/MyNet.Utilities/Providers/PredicateItemsProvider.cs
index 10e288d..e8a5e2d 100644
--- a/src/MyNet.Utilities/Providers/PredicateItemsProvider.cs
+++ b/src/MyNet.Utilities/Providers/PredicateItemsProvider.cs
@@ -12,6 +12,9 @@ public class PredicateItemsProvider<T> : IItemsProvider<T>
         private readonly Func<T, bool> _predicate;
         private readonly IItemsProvider<T> _itemsProvider;
 
+        public PredicateItemsProvider(IEnumerable<T> items, Func<T, bool> predicate)
+            : this(new ItemsProvider<T>(items), predicate) { }
+
         public PredicateItemsProvider(IItemsProvider<T> provider, Func<T, bool> predicate)
         {
             _itemsProvider = provider;