Revert "File scoped namespaces"

This reverts commit d31d8f574e.

Wino.Core/Integration/WinoImapClient.cs

@@ -2,58 +2,59 @@
 using MailKit.Net.Imap;
 using Serilog;
 
-namespace Wino.Core.Integration;
-
-/// <summary>
-/// Extended class for ImapClient that is used in Wino.
-/// </summary>
-internal class WinoImapClient : ImapClient
+namespace Wino.Core.Integration
 {
     /// <summary>
-    /// Gets or internally sets whether the QRESYNC extension is enabled.
-    /// It is set by ImapClientPool immidiately after the authentication.
+    /// Extended class for ImapClient that is used in Wino.
     /// </summary>
-    public bool IsQResyncEnabled { get; internal set; }
-
-    public WinoImapClient()
+    internal class WinoImapClient : ImapClient
     {
-        HookEvents();
-    }
+        /// <summary>
+        /// Gets or internally sets whether the QRESYNC extension is enabled.
+        /// It is set by ImapClientPool immidiately after the authentication.
+        /// </summary>
+        public bool IsQResyncEnabled { get; internal set; }
 
-    public WinoImapClient(IProtocolLogger protocolLogger) : base(protocolLogger)
-    {
-        HookEvents();
-    }
-
-    private void HookEvents()
-    {
-        Disconnected += ClientDisconnected;
-    }
-
-    private void UnhookEvents()
-    {
-        Disconnected -= ClientDisconnected;
-    }
-
-    private void ClientDisconnected(object sender, DisconnectedEventArgs e)
-    {
-        if (e.IsRequested)
+        public WinoImapClient()
         {
-            Log.Debug("Imap client is disconnected on request.");
+            HookEvents();
         }
-        else
+
+        public WinoImapClient(IProtocolLogger protocolLogger) : base(protocolLogger)
         {
-            Log.Debug("Imap client connection is dropped by server.");
+            HookEvents();
         }
-    }
 
-    protected override void Dispose(bool disposing)
-    {
-        base.Dispose(disposing);
-
-        if (disposing)
+        private void HookEvents()
         {
-            UnhookEvents();
+            Disconnected += ClientDisconnected;
+        }
+
+        private void UnhookEvents()
+        {
+            Disconnected -= ClientDisconnected;
+        }
+
+        private void ClientDisconnected(object sender, DisconnectedEventArgs e)
+        {
+            if (e.IsRequested)
+            {
+                Log.Debug("Imap client is disconnected on request.");
+            }
+            else
+            {
+                Log.Debug("Imap client connection is dropped by server.");
+            }
+        }
+
+        protected override void Dispose(bool disposing)
+        {
+            base.Dispose(disposing);
+
+            if (disposing)
+            {
+                UnhookEvents();
+            }
         }
     }
 }