diff --git a/MoreLinq.Test/BatchTest.cs b/MoreLinq.Test/BatchTest.cs
index bd2db7127..ee10acfb2 100644
--- a/MoreLinq.Test/BatchTest.cs
+++ b/MoreLinq.Test/BatchTest.cs
@@ -62,17 +62,6 @@ public void BatchSequenceTransformingResult()
             result.AssertSequenceEqual(10, 26, 9);
         }
 
-        [Test]
-        public void BatchSequenceYieldsListsOfBatches()
-        {
-            var result = new[] { 1, 2, 3 }.Batch(2);
-
-            using var reader = result.Read();
-            Assert.That(reader.Read(), Is.InstanceOf(typeof(IList<int>)));
-            Assert.That(reader.Read(), Is.InstanceOf(typeof(IList<int>)));
-            reader.ReadEnd();
-        }
-
         [Test]
         public void BatchSequencesAreIndependentInstances()
         {
diff --git a/MoreLinq/Batch.cs b/MoreLinq/Batch.cs
index b8abf7f1e..5da60c07a 100644
--- a/MoreLinq/Batch.cs
+++ b/MoreLinq/Batch.cs
@@ -47,7 +47,7 @@ static partial class MoreEnumerable
         /// </para>
         /// </remarks>
 
-        public static IEnumerable<IEnumerable<TSource>> Batch<TSource>(this IEnumerable<TSource> source, int size)
+        public static IEnumerable<TSource[]> Batch<TSource>(this IEnumerable<TSource> source, int size)
         {
             return Batch(source, size, IdFn);
         }
@@ -80,7 +80,7 @@ public static IEnumerable<IEnumerable<TSource>> Batch<TSource>(this IEnumerable<
         /// </remarks>
 
         public static IEnumerable<TResult> Batch<TSource, TResult>(this IEnumerable<TSource> source, int size,
-            Func<IEnumerable<TSource>, TResult> resultSelector)
+            Func<TSource[], TResult> resultSelector)
         {
             if (source == null) throw new ArgumentNullException(nameof(source));
             if (size <= 0) throw new ArgumentOutOfRangeException(nameof(size));
diff --git a/MoreLinq/CompatibilitySuppressions.xml b/MoreLinq/CompatibilitySuppressions.xml
index 227399b89..689b85169 100644
--- a/MoreLinq/CompatibilitySuppressions.xml
+++ b/MoreLinq/CompatibilitySuppressions.xml
@@ -57,6 +57,13 @@
     <Right>lib/netstandard2.1/MoreLinq.dll</Right>
     <IsBaselineSuppression>true</IsBaselineSuppression>
   </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:MoreLinq.Extensions.BatchExtension.Batch``2(System.Collections.Generic.IEnumerable{``0},System.Int32,System.Func{System.Collections.Generic.IEnumerable{``0},``1})</Target>
+    <Left>lib/net462/MoreLinq.dll</Left>
+    <Right>lib/netstandard2.0/MoreLinq.dll</Right>
+    <IsBaselineSuppression>true</IsBaselineSuppression>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:MoreLinq.MoreEnumerable.Append``1(System.Collections.Generic.IEnumerable{``0},``0)</Target>
@@ -64,6 +71,13 @@
     <Right>lib/netstandard2.0/MoreLinq.dll</Right>
     <IsBaselineSuppression>true</IsBaselineSuppression>
   </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:MoreLinq.MoreEnumerable.Batch``2(System.Collections.Generic.IEnumerable{``0},System.Int32,System.Func{System.Collections.Generic.IEnumerable{``0},``1})</Target>
+    <Left>lib/net462/MoreLinq.dll</Left>
+    <Right>lib/netstandard2.0/MoreLinq.dll</Right>
+    <IsBaselineSuppression>true</IsBaselineSuppression>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:MoreLinq.MoreEnumerable.Concat``1(System.Collections.Generic.IEnumerable{``0},``0)</Target>
@@ -78,6 +92,13 @@
     <Right>lib/netstandard2.0/MoreLinq.dll</Right>
     <IsBaselineSuppression>true</IsBaselineSuppression>
   </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:MoreLinq.Extensions.BatchExtension.Batch``2(System.Collections.Generic.IEnumerable{``0},System.Int32,System.Func{System.Collections.Generic.IEnumerable{``0},``1})</Target>
+    <Left>lib/net6.0/MoreLinq.dll</Left>
+    <Right>lib/net6.0/MoreLinq.dll</Right>
+    <IsBaselineSuppression>true</IsBaselineSuppression>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:MoreLinq.MoreEnumerable.Append``1(System.Collections.Generic.IEnumerable{``0},``0)</Target>
@@ -85,6 +106,13 @@
     <Right>lib/net6.0/MoreLinq.dll</Right>
     <IsBaselineSuppression>true</IsBaselineSuppression>
   </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:MoreLinq.MoreEnumerable.Batch``2(System.Collections.Generic.IEnumerable{``0},System.Int32,System.Func{System.Collections.Generic.IEnumerable{``0},``1})</Target>
+    <Left>lib/net6.0/MoreLinq.dll</Left>
+    <Right>lib/net6.0/MoreLinq.dll</Right>
+    <IsBaselineSuppression>true</IsBaselineSuppression>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:MoreLinq.MoreEnumerable.Concat``1(System.Collections.Generic.IEnumerable{``0},``0)</Target>
@@ -99,6 +127,13 @@
     <Right>lib/net6.0/MoreLinq.dll</Right>
     <IsBaselineSuppression>true</IsBaselineSuppression>
   </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:MoreLinq.Extensions.BatchExtension.Batch``2(System.Collections.Generic.IEnumerable{``0},System.Int32,System.Func{System.Collections.Generic.IEnumerable{``0},``1})</Target>
+    <Left>lib/netstandard2.0/MoreLinq.dll</Left>
+    <Right>lib/netstandard2.0/MoreLinq.dll</Right>
+    <IsBaselineSuppression>true</IsBaselineSuppression>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:MoreLinq.MoreEnumerable.Append``1(System.Collections.Generic.IEnumerable{``0},``0)</Target>
@@ -106,6 +141,13 @@
     <Right>lib/netstandard2.0/MoreLinq.dll</Right>
     <IsBaselineSuppression>true</IsBaselineSuppression>
   </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:MoreLinq.MoreEnumerable.Batch``2(System.Collections.Generic.IEnumerable{``0},System.Int32,System.Func{System.Collections.Generic.IEnumerable{``0},``1})</Target>
+    <Left>lib/netstandard2.0/MoreLinq.dll</Left>
+    <Right>lib/netstandard2.0/MoreLinq.dll</Right>
+    <IsBaselineSuppression>true</IsBaselineSuppression>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:MoreLinq.MoreEnumerable.Concat``1(System.Collections.Generic.IEnumerable{``0},``0)</Target>
@@ -120,6 +162,13 @@
     <Right>lib/netstandard2.0/MoreLinq.dll</Right>
     <IsBaselineSuppression>true</IsBaselineSuppression>
   </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:MoreLinq.Extensions.BatchExtension.Batch``2(System.Collections.Generic.IEnumerable{``0},System.Int32,System.Func{System.Collections.Generic.IEnumerable{``0},``1})</Target>
+    <Left>lib/netstandard2.1/MoreLinq.dll</Left>
+    <Right>lib/netstandard2.1/MoreLinq.dll</Right>
+    <IsBaselineSuppression>true</IsBaselineSuppression>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:MoreLinq.MoreEnumerable.Append``1(System.Collections.Generic.IEnumerable{``0},``0)</Target>
@@ -127,6 +176,13 @@
     <Right>lib/netstandard2.1/MoreLinq.dll</Right>
     <IsBaselineSuppression>true</IsBaselineSuppression>
   </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:MoreLinq.MoreEnumerable.Batch``2(System.Collections.Generic.IEnumerable{``0},System.Int32,System.Func{System.Collections.Generic.IEnumerable{``0},``1})</Target>
+    <Left>lib/netstandard2.1/MoreLinq.dll</Left>
+    <Right>lib/netstandard2.1/MoreLinq.dll</Right>
+    <IsBaselineSuppression>true</IsBaselineSuppression>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
     <Target>M:MoreLinq.MoreEnumerable.Concat``1(System.Collections.Generic.IEnumerable{``0},``0)</Target>
diff --git a/MoreLinq/Extensions.g.cs b/MoreLinq/Extensions.g.cs
index 34d2cdc9d..61814e2fb 100644
--- a/MoreLinq/Extensions.g.cs
+++ b/MoreLinq/Extensions.g.cs
@@ -680,7 +680,7 @@ public static partial class BatchExtension
         /// </para>
         /// </remarks>
 
-        public static IEnumerable<IEnumerable<TSource>> Batch<TSource>(this IEnumerable<TSource> source, int size)
+        public static IEnumerable<TSource[]> Batch<TSource>(this IEnumerable<TSource> source, int size)
             => MoreEnumerable.Batch(source, size);
 
         /// <summary>
@@ -711,7 +711,7 @@ public static IEnumerable<IEnumerable<TSource>> Batch<TSource>(this IEnumerable<
         /// </remarks>
 
         public static IEnumerable<TResult> Batch<TSource, TResult>(this IEnumerable<TSource> source, int size,
-            Func<IEnumerable<TSource>, TResult> resultSelector)
+            Func<TSource[], TResult> resultSelector)
             => MoreEnumerable.Batch(source, size, resultSelector);
 
     }
diff --git a/MoreLinq/PublicAPI/net6.0/PublicAPI.Unshipped.txt b/MoreLinq/PublicAPI/net6.0/PublicAPI.Unshipped.txt
index c69af7a11..bef3363b2 100644
--- a/MoreLinq/PublicAPI/net6.0/PublicAPI.Unshipped.txt
+++ b/MoreLinq/PublicAPI/net6.0/PublicAPI.Unshipped.txt
@@ -1,5 +1,9 @@
 #nullable enable
+*REMOVED*static MoreLinq.Extensions.BatchExtension.Batch<TSource, TResult>(this System.Collections.Generic.IEnumerable<TSource>! source, int size, System.Func<System.Collections.Generic.IEnumerable<TSource>!, TResult>! resultSelector) -> System.Collections.Generic.IEnumerable<TResult>!
+*REMOVED*static MoreLinq.Extensions.BatchExtension.Batch<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int size) -> System.Collections.Generic.IEnumerable<System.Collections.Generic.IEnumerable<TSource>!>!
 *REMOVED*static MoreLinq.MoreEnumerable.Append<T>(this System.Collections.Generic.IEnumerable<T>! head, T tail) -> System.Collections.Generic.IEnumerable<T>!
+*REMOVED*static MoreLinq.MoreEnumerable.Batch<TSource, TResult>(this System.Collections.Generic.IEnumerable<TSource>! source, int size, System.Func<System.Collections.Generic.IEnumerable<TSource>!, TResult>! resultSelector) -> System.Collections.Generic.IEnumerable<TResult>!
+*REMOVED*static MoreLinq.MoreEnumerable.Batch<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int size) -> System.Collections.Generic.IEnumerable<System.Collections.Generic.IEnumerable<TSource>!>!
 *REMOVED*static MoreLinq.MoreEnumerable.Concat<T>(this System.Collections.Generic.IEnumerable<T>! head, T tail) -> System.Collections.Generic.IEnumerable<T>!
 *REMOVED*static MoreLinq.MoreEnumerable.Prepend<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, TSource value) -> System.Collections.Generic.IEnumerable<TSource>!
 *REMOVED*static MoreLinq.MoreEnumerable.DistinctBy<TSource, TKey>(this System.Collections.Generic.IEnumerable<TSource>! source, System.Func<TSource, TKey>! keySelector) -> System.Collections.Generic.IEnumerable<TSource>!
@@ -8,7 +12,11 @@
 *REMOVED*static MoreLinq.MoreEnumerable.TakeLast<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int count) -> System.Collections.Generic.IEnumerable<TSource>!
 *REMOVED*static MoreLinq.MoreEnumerable.ToHashSet<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source) -> System.Collections.Generic.HashSet<TSource>!
 *REMOVED*static MoreLinq.MoreEnumerable.ToHashSet<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, System.Collections.Generic.IEqualityComparer<TSource>? comparer) -> System.Collections.Generic.HashSet<TSource>!
+static MoreLinq.Extensions.BatchExtension.Batch<TSource, TResult>(this System.Collections.Generic.IEnumerable<TSource>! source, int size, System.Func<TSource[]!, TResult>! resultSelector) -> System.Collections.Generic.IEnumerable<TResult>!
+static MoreLinq.Extensions.BatchExtension.Batch<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int size) -> System.Collections.Generic.IEnumerable<TSource[]!>!
 static MoreLinq.MoreEnumerable.Append<T>(System.Collections.Generic.IEnumerable<T>! head, T tail) -> System.Collections.Generic.IEnumerable<T>!
+static MoreLinq.MoreEnumerable.Batch<TSource, TResult>(this System.Collections.Generic.IEnumerable<TSource>! source, int size, System.Func<TSource[]!, TResult>! resultSelector) -> System.Collections.Generic.IEnumerable<TResult>!
+static MoreLinq.MoreEnumerable.Batch<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int size) -> System.Collections.Generic.IEnumerable<TSource[]!>!
 static MoreLinq.MoreEnumerable.DistinctBy<TSource, TKey>(System.Collections.Generic.IEnumerable<TSource>! source, System.Func<TSource, TKey>! keySelector) -> System.Collections.Generic.IEnumerable<TSource>!
 static MoreLinq.MoreEnumerable.DistinctBy<TSource, TKey>(System.Collections.Generic.IEnumerable<TSource>! source, System.Func<TSource, TKey>! keySelector, System.Collections.Generic.IEqualityComparer<TKey>? comparer) -> System.Collections.Generic.IEnumerable<TSource>!
 static MoreLinq.MoreEnumerable.Prepend<TSource>(System.Collections.Generic.IEnumerable<TSource>! source, TSource value) -> System.Collections.Generic.IEnumerable<TSource>!
diff --git a/MoreLinq/PublicAPI/netstandard2.0/PublicAPI.Unshipped.txt b/MoreLinq/PublicAPI/netstandard2.0/PublicAPI.Unshipped.txt
index 7b97d25d3..08aae18e5 100644
--- a/MoreLinq/PublicAPI/netstandard2.0/PublicAPI.Unshipped.txt
+++ b/MoreLinq/PublicAPI/netstandard2.0/PublicAPI.Unshipped.txt
@@ -1,8 +1,16 @@
 #nullable enable
+*REMOVED*static MoreLinq.Extensions.BatchExtension.Batch<TSource, TResult>(this System.Collections.Generic.IEnumerable<TSource>! source, int size, System.Func<System.Collections.Generic.IEnumerable<TSource>!, TResult>! resultSelector) -> System.Collections.Generic.IEnumerable<TResult>!
+*REMOVED*static MoreLinq.Extensions.BatchExtension.Batch<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int size) -> System.Collections.Generic.IEnumerable<System.Collections.Generic.IEnumerable<TSource>!>!
 *REMOVED*static MoreLinq.MoreEnumerable.Append<T>(this System.Collections.Generic.IEnumerable<T>! head, T tail) -> System.Collections.Generic.IEnumerable<T>!
+*REMOVED*static MoreLinq.MoreEnumerable.Batch<TSource, TResult>(this System.Collections.Generic.IEnumerable<TSource>! source, int size, System.Func<System.Collections.Generic.IEnumerable<TSource>!, TResult>! resultSelector) -> System.Collections.Generic.IEnumerable<TResult>!
+*REMOVED*static MoreLinq.MoreEnumerable.Batch<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int size) -> System.Collections.Generic.IEnumerable<System.Collections.Generic.IEnumerable<TSource>!>!
 *REMOVED*static MoreLinq.MoreEnumerable.Concat<T>(this System.Collections.Generic.IEnumerable<T>! head, T tail) -> System.Collections.Generic.IEnumerable<T>!
 *REMOVED*static MoreLinq.MoreEnumerable.Prepend<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, TSource value) -> System.Collections.Generic.IEnumerable<TSource>!
+static MoreLinq.Extensions.BatchExtension.Batch<TSource, TResult>(this System.Collections.Generic.IEnumerable<TSource>! source, int size, System.Func<TSource[]!, TResult>! resultSelector) -> System.Collections.Generic.IEnumerable<TResult>!
+static MoreLinq.Extensions.BatchExtension.Batch<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int size) -> System.Collections.Generic.IEnumerable<TSource[]!>!
 static MoreLinq.MoreEnumerable.Append<T>(System.Collections.Generic.IEnumerable<T>! head, T tail) -> System.Collections.Generic.IEnumerable<T>!
+static MoreLinq.MoreEnumerable.Batch<TSource, TResult>(this System.Collections.Generic.IEnumerable<TSource>! source, int size, System.Func<TSource[]!, TResult>! resultSelector) -> System.Collections.Generic.IEnumerable<TResult>!
+static MoreLinq.MoreEnumerable.Batch<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int size) -> System.Collections.Generic.IEnumerable<TSource[]!>!
 static MoreLinq.MoreEnumerable.Prepend<TSource>(System.Collections.Generic.IEnumerable<TSource>! source, TSource value) -> System.Collections.Generic.IEnumerable<TSource>!
 MoreLinq.Extensions.HasDuplicatesExtension
 static MoreLinq.Extensions.HasDuplicatesExtension.HasDuplicates<T>(this System.Collections.Generic.IEnumerable<T>! source) -> bool
diff --git a/MoreLinq/PublicAPI/netstandard2.1/PublicAPI.Unshipped.txt b/MoreLinq/PublicAPI/netstandard2.1/PublicAPI.Unshipped.txt
index 85afd9b54..837418fdd 100644
--- a/MoreLinq/PublicAPI/netstandard2.1/PublicAPI.Unshipped.txt
+++ b/MoreLinq/PublicAPI/netstandard2.1/PublicAPI.Unshipped.txt
@@ -1,12 +1,20 @@
 #nullable enable
+*REMOVED*static MoreLinq.Extensions.BatchExtension.Batch<TSource, TResult>(this System.Collections.Generic.IEnumerable<TSource>! source, int size, System.Func<System.Collections.Generic.IEnumerable<TSource>!, TResult>! resultSelector) -> System.Collections.Generic.IEnumerable<TResult>!
+*REMOVED*static MoreLinq.Extensions.BatchExtension.Batch<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int size) -> System.Collections.Generic.IEnumerable<System.Collections.Generic.IEnumerable<TSource>!>!
 *REMOVED*static MoreLinq.MoreEnumerable.Append<T>(this System.Collections.Generic.IEnumerable<T>! head, T tail) -> System.Collections.Generic.IEnumerable<T>!
+*REMOVED*static MoreLinq.MoreEnumerable.Batch<TSource, TResult>(this System.Collections.Generic.IEnumerable<TSource>! source, int size, System.Func<System.Collections.Generic.IEnumerable<TSource>!, TResult>! resultSelector) -> System.Collections.Generic.IEnumerable<TResult>!
+*REMOVED*static MoreLinq.MoreEnumerable.Batch<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int size) -> System.Collections.Generic.IEnumerable<System.Collections.Generic.IEnumerable<TSource>!>!
 *REMOVED*static MoreLinq.MoreEnumerable.Concat<T>(this System.Collections.Generic.IEnumerable<T>! head, T tail) -> System.Collections.Generic.IEnumerable<T>!
 *REMOVED*static MoreLinq.MoreEnumerable.Prepend<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, TSource value) -> System.Collections.Generic.IEnumerable<TSource>!
 *REMOVED*static MoreLinq.MoreEnumerable.SkipLast<T>(this System.Collections.Generic.IEnumerable<T>! source, int count) -> System.Collections.Generic.IEnumerable<T>!
 *REMOVED*static MoreLinq.MoreEnumerable.TakeLast<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int count) -> System.Collections.Generic.IEnumerable<TSource>!
 *REMOVED*static MoreLinq.MoreEnumerable.ToHashSet<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source) -> System.Collections.Generic.HashSet<TSource>!
 *REMOVED*static MoreLinq.MoreEnumerable.ToHashSet<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, System.Collections.Generic.IEqualityComparer<TSource>? comparer) -> System.Collections.Generic.HashSet<TSource>!
+static MoreLinq.Extensions.BatchExtension.Batch<TSource, TResult>(this System.Collections.Generic.IEnumerable<TSource>! source, int size, System.Func<TSource[]!, TResult>! resultSelector) -> System.Collections.Generic.IEnumerable<TResult>!
+static MoreLinq.Extensions.BatchExtension.Batch<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int size) -> System.Collections.Generic.IEnumerable<TSource[]!>!
 static MoreLinq.MoreEnumerable.Append<T>(System.Collections.Generic.IEnumerable<T>! head, T tail) -> System.Collections.Generic.IEnumerable<T>!
+static MoreLinq.MoreEnumerable.Batch<TSource, TResult>(this System.Collections.Generic.IEnumerable<TSource>! source, int size, System.Func<TSource[]!, TResult>! resultSelector) -> System.Collections.Generic.IEnumerable<TResult>!
+static MoreLinq.MoreEnumerable.Batch<TSource>(this System.Collections.Generic.IEnumerable<TSource>! source, int size) -> System.Collections.Generic.IEnumerable<TSource[]!>!
 static MoreLinq.MoreEnumerable.Prepend<TSource>(System.Collections.Generic.IEnumerable<TSource>! source, TSource value) -> System.Collections.Generic.IEnumerable<TSource>!
 static MoreLinq.MoreEnumerable.SkipLast<T>(System.Collections.Generic.IEnumerable<T>! source, int count) -> System.Collections.Generic.IEnumerable<T>!
 static MoreLinq.MoreEnumerable.TakeLast<TSource>(System.Collections.Generic.IEnumerable<TSource>! source, int count) -> System.Collections.Generic.IEnumerable<TSource>!