Applied sealed modifier to classes

Author: usercode

src/AsyncKeyLock/AsyncLock.cs

@@ -7,7 +7,7 @@ namespace AsyncKeyLock;
 /// <summary>
 /// AsyncLock
 /// </summary>
-public class AsyncLock
+public sealed class AsyncLock
 {
     public AsyncLock()
     {

src/AsyncKeyLock/AsyncLockReleaser.cs

@@ -7,7 +7,7 @@ namespace AsyncKeyLock;
 /// <summary>
 /// AsyncLockReleaser
 /// </summary>
-public class AsyncLockReleaser : IDisposable
+public sealed class AsyncLockReleaser : IDisposable
 {
     private readonly AsyncLock _asyncLock;
     private readonly AsyncLockType _type;

src/AsyncKeyLock/AsyncLock~.cs

@@ -7,7 +7,7 @@ namespace AsyncKeyLock;
 /// <summary>
 /// AsyncLock
 /// </summary>
-public class AsyncLock<TKey>
+public sealed class AsyncLock<TKey>
     where TKey : notnull
 {
     private readonly IDictionary<TKey, AsyncLock> _locks = new Dictionary<TKey, AsyncLock>();