Refactor code.

Source/MQTTnet/Server/Internal/MqttClientSession.cs

@@ -38,7 +38,7 @@ namespace MQTTnet.Server.Internal
         public MqttClientSessionApplicationMessagesQueue ApplicationMessagesQueue { get; }
 
         public IDictionary<object, object> Items { get; }
-
+        
         public Task DeleteAsync()
         {
             return _clientSessionsManager.DeleteSessionAsync(ClientId);

Source/MQTTnet/Server/Internal/MqttClientSessionsManager.cs

@@ -290,7 +290,7 @@ namespace MQTTnet.Server.Internal
 
         async Task TryProcessQueuedApplicationMessagesAsync(CancellationToken cancellationToken)
         {
-            // Make sure all queued messages are proccessed befor server stops.
+            // Make sure all queued messages are processed before server stops.
             while (!cancellationToken.IsCancellationRequested || _messageQueue.Any())
             {
                 try
@@ -343,7 +343,7 @@ namespace MQTTnet.Server.Internal
                             }
                         }
 
-                        if (interceptorContext.ApplicationMessage == null || !interceptorContext.AcceptPublish)
+                        if (interceptorContext.ApplicationMessage == null || !interceptorContext.ProcessPublish)
                         {
                             return;
                         }

Source/MQTTnet/Server/MqttApplicationMessageInterceptorContext.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace MQTTnet.Server
 {
@@ -17,7 +18,17 @@ namespace MQTTnet.Server
         /// </summary>
         public IDictionary<object, object> SessionItems { get; internal set; }
 
-        public bool AcceptPublish { get; set; } = true;
+        [Obsolete("Please use ProcessPublish instead.")]
+        public bool AcceptPublish 
+        { 
+            get => ProcessPublish;
+            set => ProcessPublish = value;
+        }
+        
+        /// <summary>
+        /// Gets or sets whether the publish should be processed internally.
+        /// </summary>
+        public bool ProcessPublish { get; set; } = true;
 
         public bool CloseConnection { get; set; }
     }