cleanup code.

src/DotNetCore.CAP.EntityFrameworkCore/CAP.EFOptions.cs

 using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace DotNetCore.CAP
 {

src/DotNetCore.CAP.EntityFrameworkCore/CAP.SqlServerOptions.cs

-using System;
-using System.Collections.Generic;
-using System.Text;
-using DotNetCore.CAP.EntityFrameworkCore;
-
-namespace DotNetCore.CAP
+namespace DotNetCore.CAP
 {
     public class SqlServerOptions : EFOptions
     {
@@ -11,6 +6,5 @@ namespace DotNetCore.CAP
         /// Gets or sets the database's connection string that will be used to store database entities.
         /// </summary>
         public string ConnectionString { get; set; } //= "Server=DESKTOP-M9R8T31;Initial Catalog=Test;User Id=sa;Password=P@ssw0rd;MultipleActiveResultSets=True";
-
     }
 }
\ No newline at end of file

src/DotNetCore.CAP.EntityFrameworkCore/FetchedMessage.cs

-using System;
-using System.Collections.Generic;
-using System.Text;
-using DotNetCore.CAP.Models;
+using DotNetCore.CAP.Models;
 
 namespace DotNetCore.CAP.EntityFrameworkCore
 {

src/DotNetCore.CAP.EntityFrameworkCore/IAdditionalProcessor.Default.cs

 using System;
-using System.Collections.Generic;
 using System.Data.SqlClient;
-using System.Text;
 using System.Threading.Tasks;
 using Dapper;
 using DotNetCore.CAP.Processor;
-using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 
 namespace DotNetCore.CAP.EntityFrameworkCore
@@ -44,7 +41,7 @@ namespace DotNetCore.CAP.EntityFrameworkCore
                 var removedCount = 0;
                 do
                 {
-                    using(var connection = new SqlConnection(_options.ConnectionString))
+                    using (var connection = new SqlConnection(_options.ConnectionString))
                     {
                         removedCount = await connection.ExecuteAsync($@"
 DELETE TOP (@count)

src/DotNetCore.CAP.EntityFrameworkCore/SqlServerFetchedMessage.cs

 using System;
-using System.Collections.Generic;
 using System.Data;
-using System.Text;
 using System.Threading;
 using Dapper;
 using DotNetCore.CAP.Models;
-using Microsoft.EntityFrameworkCore.Storage;
 
 namespace DotNetCore.CAP.EntityFrameworkCore
 {

src/DotNetCore.CAP.EntityFrameworkCore/SqlServerStorage.cs

@@ -43,7 +43,6 @@ namespace DotNetCore.CAP.EntityFrameworkCore
 
         protected virtual string CreateDbTablesScript(string schema)
         {
-
             var batchSQL =
 $@"
 IF NOT EXISTS (SELECT * FROM sys.schemas WHERE name = '{schema}')

src/DotNetCore.CAP.Kafka/CAP.Options.Extensions.cs

 using System;
 using DotNetCore.CAP;
-using DotNetCore.CAP.Kafka;
 
 namespace Microsoft.Extensions.DependencyInjection
 {

src/DotNetCore.CAP.Kafka/KafkaConsumerClient.cs

@@ -81,7 +81,6 @@ namespace DotNetCore.CAP.Kafka
             MessageReceieved?.Invoke(sender, message);
         }
 
-
         #endregion private methods
     }
 }
\ No newline at end of file

src/DotNetCore.CAP.RabbitMQ/CapSubscribeAttribute.cs

@@ -6,7 +6,6 @@ namespace DotNetCore.CAP.RabbitMQ
     {
         public CapSubscribeAttribute(string name) : base(name)
         {
-
         }
     }
 }
\ No newline at end of file

src/DotNetCore.CAP.RabbitMQ/PublishQueueExecutor.cs

@@ -64,7 +64,6 @@ namespace DotNetCore.CAP.RabbitMQ
                         Description = ex.Message
                     }));
             }
-
         }
     }
 }
\ No newline at end of file

src/DotNetCore.CAP/CAP.Options.cs

@@ -35,7 +35,6 @@ namespace DotNetCore.CAP
         /// </summary>
         public int PollingDelay { get; set; } = 8;
 
-
         /// <summary>
 		/// Registers an extension that will be executed when building services.
 		/// </summary>

src/DotNetCore.CAP/ICapPublisher.cs

-using System;
-using System.Data;
+using System.Data;
 using System.Threading.Tasks;
 
 namespace DotNetCore.CAP

src/DotNetCore.CAP/IConsumerHandler.Default.cs

 using System;
-using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using DotNetCore.CAP.Infrastructure;

src/DotNetCore.CAP/IQueueExecutor.cs

-using System;
-using System.Collections.Generic;
-using System.Text;
-using System.Threading.Tasks;
+using System.Threading.Tasks;
 
 namespace DotNetCore.CAP
 {

src/DotNetCore.CAP/Infrastructure/Helper.cs

@@ -40,7 +40,7 @@ namespace DotNetCore.CAP.Infrastructure
         public static long ToTimestamp(DateTime value)
         {
             var elapsedTime = value - Epoch;
-            return (long) elapsedTime.TotalSeconds;
+            return (long)elapsedTime.TotalSeconds;
         }
 
         public static DateTime FromTimestamp(long value)

src/DotNetCore.CAP/Infrastructure/StatusName.cs

-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace DotNetCore.CAP.Infrastructure
+namespace DotNetCore.CAP.Infrastructure
 {
     /// <summary>
     /// The message status name.

src/DotNetCore.CAP/Infrastructure/WaitHandleEx.cs

@@ -21,7 +21,7 @@ namespace DotNetCore.CAP.Infrastructure
                 var tcs = new TaskCompletionSource<bool>();
                 registeredHandle = ThreadPool.RegisterWaitForSingleObject(
                     handle,
-                    (state, timedOut) => ((TaskCompletionSource<bool>) state).TrySetResult(!timedOut),
+                    (state, timedOut) => ((TaskCompletionSource<bool>)state).TrySetResult(!timedOut),
                     tcs,
                     timeout,
                     true);

src/DotNetCore.CAP/Internal/IConsumerServiceSelector.Default.cs

@@ -44,7 +44,6 @@ namespace DotNetCore.CAP.Internal
             return executorDescriptorList;
         }
 
-
         private static IEnumerable<ConsumerExecutorDescriptor> FindConsumersFromInterfaceTypes(
             IServiceProvider provider)
         {

src/DotNetCore.CAP/Internal/MethodMatcherCache.cs

 using System;
-using System.Linq;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Linq;
 using DotNetCore.CAP.Abstractions;
 
 namespace DotNetCore.CAP.Internal

src/DotNetCore.CAP/Internal/ObjectMethodExecutor.cs

@@ -130,7 +130,7 @@ namespace DotNetCore.CAP.Internal
 
         private static ConsumerMethodExecutor WrapVoidAction(VoidActionExecutor executor)
         {
-            return delegate(object target, object[] parameters)
+            return delegate (object target, object[] parameters)
             {
                 executor(target, parameters);
                 return null;
@@ -192,7 +192,7 @@ namespace DotNetCore.CAP.Internal
         /// </summary>
         private static async Task<object> CastToObject<T>(Task<T> task)
         {
-            return (object) await task;
+            return (object)await task;
         }
 
         private static Type GetTaskInnerTypeOrNull(Type type)
@@ -279,7 +279,7 @@ namespace DotNetCore.CAP.Internal
 
         private static Task<object> Convert<T>(object taskAsObject)
         {
-            var task = (Task<T>) taskAsObject;
+            var task = (Task<T>)taskAsObject;
             return CastToObject<T>(task);
         }
 

src/DotNetCore.CAP/Internal/SubscriberNotFoundException.cs

 using System;
+
 namespace DotNetCore.CAP.Internal
 {
     public class SubscriberNotFoundException : Exception
     {
-        public SubscriberNotFoundException() { }
+        public SubscriberNotFoundException()
+        {
+        }
 
-        public SubscriberNotFoundException(string message) : base(message) { }
+        public SubscriberNotFoundException(string message) : base(message)
+        {
+        }
 
         public SubscriberNotFoundException(string message, Exception inner) :
-            base(message, inner) { }
+            base(message, inner)
+        { }
     }
 }
\ No newline at end of file

src/DotNetCore.CAP/LoggerExtensions.cs

 using System;
-using System.Collections.Generic;
-using System.Linq;
-using DotNetCore.CAP.Processor;
 using Microsoft.Extensions.Logging;
 
 namespace DotNetCore.CAP
@@ -66,7 +63,6 @@ namespace DotNetCore.CAP
                 5,
                 "Received message topic method '{topicName}' failed to execute.");
 
-
             _jobRetrying = LoggerMessage.Define<int>(
                 LogLevel.Debug,
                 3,
@@ -104,19 +100,16 @@ namespace DotNetCore.CAP
             _jobFailedWillRetry(logger, ex);
         }
 
-
         public static void JobRetrying(this ILogger logger, int retries)
         {
             _jobRetrying(logger, retries, null);
         }
 
-
         public static void JobExecuted(this ILogger logger, double seconds)
         {
             _jobExecuted(logger, seconds, null);
         }
 
-
         public static void ConsumerMethodExecutingFailed(this ILogger logger, string methodName, Exception ex)
         {
             _executingConsumerMethod(logger, methodName, ex);

src/DotNetCore.CAP/OperateResult.cs

@@ -32,7 +32,7 @@ namespace DotNetCore.CAP
         /// Returns an <see cref="OperateResult"/> indicating a successful identity operation.
         /// </summary>
         /// <returns>An <see cref="OperateResult"/> indicating a successful operation.</returns>
-        public static OperateResult Success { get; } = new OperateResult {Succeeded = true};
+        public static OperateResult Success { get; } = new OperateResult { Succeeded = true };
 
         /// <summary>
         /// Creates an <see cref="OperateResult"/> indicating a failed operation, with a list of <paramref name="errors"/> if applicable.
@@ -41,7 +41,7 @@ namespace DotNetCore.CAP
         /// <returns>An <see cref="OperateResult"/> indicating a failed operation, with a list of <paramref name="errors"/> if applicable.</returns>
         public static OperateResult Failed(params OperateError[] errors)
         {
-            var result = new OperateResult {Succeeded = false};
+            var result = new OperateResult { Succeeded = false };
             if (errors != null)
             {
                 result._errors.AddRange(errors);

src/DotNetCore.CAP/Processor/IAdditionalProcessor.cs

-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace DotNetCore.CAP.Processor
+namespace DotNetCore.CAP.Processor
 {
     public interface IAdditionalProcessor : IProcessor
     {
-
     }
 }
\ No newline at end of file

src/DotNetCore.CAP/Processor/IDispatcher.cs

-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace DotNetCore.CAP.Processor
+namespace DotNetCore.CAP.Processor
 {
     public interface IDispatcher : IProcessor
     {

src/DotNetCore.CAP/Processor/IProcessor.PublishQueuer.cs

@@ -2,8 +2,8 @@
 using System.Threading;
 using System.Threading.Tasks;
 using DotNetCore.CAP.Infrastructure;
-using DotNetCore.CAP.Processor.States;
 using DotNetCore.CAP.Models;
+using DotNetCore.CAP.Processor.States;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;

src/DotNetCore.CAP/Processor/IProcessor.SubscribeQueuer.cs

@@ -2,8 +2,8 @@
 using System.Threading;
 using System.Threading.Tasks;
 using DotNetCore.CAP.Infrastructure;
-using DotNetCore.CAP.Processor.States;
 using DotNetCore.CAP.Models;
+using DotNetCore.CAP.Processor.States;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;

src/DotNetCore.CAP/Processor/RetryBehavior.cs

@@ -18,7 +18,7 @@ namespace DotNetCore.CAP.Processor
         {
             DefaultRetryCount = 25;
             DefaultRetryInThunk = retries =>
-                (int) Math.Round(Math.Pow(retries - 1, 4) + 15 + (_random.Next(30) * (retries)));
+                (int)Math.Round(Math.Pow(retries - 1, 4) + 15 + (_random.Next(30) * (retries)));
 
             DefaultRetry = new RetryBehavior(true);
             NoRetry = new RetryBehavior(false);

src/DotNetCore.CAP/QueueExecutorFactory.cs

@@ -19,7 +19,7 @@ namespace DotNetCore.CAP
         {
             var _queueExectors = _serviceProvider.GetServices<IQueueExecutor>();
 
-            if (messageType== MessageType.Publish)
+            if (messageType == MessageType.Publish)
             {
                 return _queueExectors.FirstOrDefault(x => typeof(BasePublishQueueExecutor).IsAssignableFrom(x.GetType()));
             }