Exports unclutter

src/SharpCompress/Archives/Rar/FileInfoRarArchiveVolume.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.IO;
 using System.Linq;
 using SharpCompress.Common.Rar;

src/SharpCompress/BufferPool.cs

@@ -1,6 +1,6 @@
 using System.Buffers;
 
-namespace SharpCompress;
+namespace SharpCompress.Helpers;
 
 internal static class BufferPool
 {

src/SharpCompress/LazyReadOnlyCollection.cs

@@ -4,7 +4,7 @@
 using System.Collections;
 using System.Collections.Generic;
 
-namespace SharpCompress;
+namespace SharpCompress.Helpers;
 
 internal sealed class LazyReadOnlyCollection<T> : ICollection<T>
 {

src/SharpCompress/NotNullExtensions.cs

@@ -4,7 +4,7 @@
 using System.Linq;
 using System.Runtime.CompilerServices;
 
-namespace SharpCompress;
+namespace SharpCompress.Helpers;
 
 public static class NotNullExtensions
 {

src/SharpCompress/Utility.cs

@@ -1,16 +1,18 @@
+global using SharpCompress.Helpers;
 using System;
 using System.Buffers;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.IO;
 using System.Text;
 using SharpCompress.Readers;
 
-namespace SharpCompress;
+namespace SharpCompress.Helpers;
 
 [CLSCompliant(false)]
 public static class Utility
 {
-    public static ReadOnlyCollection<T> ToReadOnly<T>(this ICollection<T> items) => new(items);
+    public static ReadOnlyCollection<T> ToReadOnly<T>(this IList<T> items) => new(items);
 
     /// <summary>
     /// Performs an unsigned bitwise right shift with the specified number

tests/SharpCompress.Test/TestBase.cs

@@ -1,3 +1,4 @@
+global using SharpCompress.Helpers;
 using System;
 using System.Collections.Generic;
 using System.IO;