diff --git a/src/GUI/AssemblyCollectionControl.xaml b/src/GUI/AssemblyCollectionControl.xaml
index ab207a25b1c..e35443a6abf 100644
--- a/src/GUI/AssemblyCollectionControl.xaml
+++ b/src/GUI/AssemblyCollectionControl.xaml
@@ -37,7 +37,7 @@
             <Label Content="Total folders" />
             <TextBox Text="{Binding ElementName=assemblyCollectionControl, Path=TotalFolders, Mode=OneWay}" VerticalContentAlignment="Center" IsReadOnly="True"/>
         </DockPanel>
-    <ListView Name="propertyMapping" ItemsSource="{Binding ElementName=assemblyCollectionControl, Path=AssemblyDataCollection, Mode=TwoWay}" 
+        <ListView Name="propertyMapping" ItemsSource="{Binding ElementName=assemblyCollectionControl, Path=AssemblyCollection, Mode=TwoWay}" 
               ScrollViewer.VerticalScrollBarVisibility="Auto" DockPanel.Dock="Bottom">
         <ListView.View>
             <GridView>
diff --git a/src/GUI/AssemblyCollectionControl.xaml.cs b/src/GUI/AssemblyCollectionControl.xaml.cs
index aa8bde0ae57..412153c3c0c 100644
--- a/src/GUI/AssemblyCollectionControl.xaml.cs
+++ b/src/GUI/AssemblyCollectionControl.xaml.cs
@@ -43,15 +43,15 @@ public int TotalFolders
         public static readonly DependencyProperty TotalFoldersProperty =
             DependencyProperty.Register("TotalFolders", typeof(int), typeof(AssemblyCollectionControl), new PropertyMetadata(0));
 
-        public AssemblyDataCollection AssemblyDataCollection
+        public AssemblyDataCollection AssemblyCollection
         {
-            get { return (AssemblyDataCollection)GetValue(AssemblyDataCollectionProperty); }
-            set { SetValue(AssemblyDataCollectionProperty, value); }
+            get { return (AssemblyDataCollection)GetValue(AssemblyCollectionProperty); }
+            set { SetValue(AssemblyCollectionProperty, value); }
         }
 
         // Using a DependencyProperty as the backing store for UserNodeIds.  This enables animation, styling, binding, etc...
-        public static readonly DependencyProperty AssemblyDataCollectionProperty =
-            DependencyProperty.Register("AssemblyDataCollection", typeof(AssemblyDataCollection), typeof(AssemblyCollectionControl), new PropertyMetadata(PropertyChangedCallback));
+        public static readonly DependencyProperty AssemblyCollectionProperty =
+            DependencyProperty.Register("AssemblyCollection", typeof(AssemblyDataCollection), typeof(AssemblyCollectionControl), new PropertyMetadata(PropertyChangedCallback));
 
         static void PropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
@@ -66,9 +66,9 @@ public AssemblyCollectionControl()
 
         private void btnSelectAll_Click(object sender, RoutedEventArgs e)
         {
-            if (AssemblyDataCollection != null)
+            if (AssemblyCollection != null)
             {
-                foreach (var item in AssemblyDataCollection)
+                foreach (AssemblyData item in AssemblyCollection)
                 {
                     item.IsSelected = true;
                 }
@@ -77,9 +77,9 @@ private void btnSelectAll_Click(object sender, RoutedEventArgs e)
 
         private void btnUnselectAll_Click(object sender, RoutedEventArgs e)
         {
-            if (AssemblyDataCollection != null)
+            if (AssemblyCollection != null)
             {
-                foreach (var item in AssemblyDataCollection)
+                foreach (AssemblyData item in AssemblyCollection)
                 {
                     item.IsSelected = false;
                 }
diff --git a/src/GUI/MainWindow.xaml b/src/GUI/MainWindow.xaml
index 8ef4265fbd3..b331b845b03 100644
--- a/src/GUI/MainWindow.xaml
+++ b/src/GUI/MainWindow.xaml
@@ -88,6 +88,11 @@
                                             <CheckBox Name="cbEnableRefOutParameters" Content="Ref Out Parameters" IsChecked="False" VerticalContentAlignment="Center" ToolTip="Enable RefOut Parameters"/>
                                         </DockPanel>
                                     </GroupBox>
+                                    <GroupBox DockPanel.Dock="Top" Header="Namespace">
+                                        <DockPanel  Height="30">
+                                            <CheckBox Name="cbAvoidDisableInternalNamespace" Content="Reflect namepsace with Internal" IsChecked="False" VerticalContentAlignment="Center" ToolTip="Set to true to disable avoidance of reflection of namespaces ending with Internal"/>
+                                        </DockPanel>
+                                    </GroupBox>
                                 </DockPanel>
                             </GroupBox>
                             <DockPanel DockPanel.Dock="Top" MinHeight="30" LastChildFill="False">
@@ -132,7 +137,7 @@
                             <Label Content="External POM Filename" VerticalContentAlignment="Center" VerticalAlignment="Stretch"/>
                             <TextBox Name="tbPOMFileName" VerticalContentAlignment="Center" VerticalAlignment="Stretch" />
                         </DockPanel>
-                        <local:AssemblyCollectionControl DockPanel.Dock="Bottom" AssemblyDataCollection="{Binding ElementName=mainWindow, Path=AssemblyDataCollection, Mode=TwoWay}"/>
+                        <local:AssemblyCollectionControl DockPanel.Dock="Bottom" AssemblyCollection="{Binding ElementName=mainWindow, Path=AssemblyCollection, Mode=TwoWay}"/>
                     </DockPanel>
                 </TabItem>
             </TabControl>
diff --git a/src/GUI/MainWindow.xaml.cs b/src/GUI/MainWindow.xaml.cs
index 186aa067013..85285c0a23a 100644
--- a/src/GUI/MainWindow.xaml.cs
+++ b/src/GUI/MainWindow.xaml.cs
@@ -55,15 +55,15 @@ public string JarDestinationFolder
         public static readonly DependencyProperty JarDestinationFolderProperty =
             DependencyProperty.Register("JarDestinationFolder", typeof(string), typeof(MainWindow), new PropertyMetadata(JobManager.JarDestinationFolder));
 
-        public AssemblyDataCollection AssemblyDataCollection
+        public AssemblyDataCollection AssemblyCollection
         {
-            get { return (AssemblyDataCollection)GetValue(AssemblyDataCollectionProperty); }
-            set { SetValue(AssemblyDataCollectionProperty, value); }
+            get { return (AssemblyDataCollection)GetValue(AssemblyCollectionProperty); }
+            set { SetValue(AssemblyCollectionProperty, value); }
         }
 
         // Using a DependencyProperty as the backing store for UserNodeIds.  This enables animation, styling, binding, etc...
-        public static readonly DependencyProperty AssemblyDataCollectionProperty =
-            DependencyProperty.Register("AssemblyDataCollection", typeof(AssemblyDataCollection), typeof(MainWindow));
+        public static readonly DependencyProperty AssemblyCollectionProperty =
+            DependencyProperty.Register("AssemblyCollection", typeof(AssemblyDataCollection), typeof(MainWindow));
 
         public int MaxDepth
         {
@@ -173,6 +173,7 @@ private void btnExecute_Click(object sender, RoutedEventArgs e)
                 EnableInheritance = cbEnableInheritance.IsChecked.Value,
                 EnableInterfaceInheritance = cbEnableInterfaceInheritance.IsChecked.Value,
                 EnableRefOutParameters = cbEnableRefOutParameters.IsChecked.Value,
+                AvoidDisableInternalNamespace = cbAvoidDisableInternalNamespace.IsChecked.Value,
                 DryRun = cbDryRun.IsChecked.Value
             };
 
@@ -202,7 +203,7 @@ private void btnGetFolders_Click(object sender, RoutedEventArgs e)
 
             var result = JobManager.CreateFolderList(args);
 
-            AssemblyDataCollection = result;
+            AssemblyCollection = result;
         }
 
         private void btnBuild_Click(object sender, RoutedEventArgs e)
@@ -217,7 +218,7 @@ private void btnBuild_Click(object sender, RoutedEventArgs e)
                     JDKToolExtraOptions = tbJDKToolExtraOptions.Text,
                     SourceFolder = SourceDestinationFolder,
                     SplitFolderByAssembly = cbEnableSplitFolder.IsChecked.Value,
-                    AssembliesToUse = AssemblyDataCollection.CreateList(AssemblyDataCollection)
+                    AssembliesToUse = AssemblyDataCollection.CreateList(AssemblyCollection)
                 };
 
                 if (cbExportToFile.IsChecked.Value)
@@ -248,7 +249,7 @@ private void btnBuildDoc_Click(object sender, RoutedEventArgs e)
                     JDKToolExtraOptions = tbJDKToolExtraOptions.Text,
                     SourceFolder = SourceDestinationFolder,
                     SplitFolderByAssembly = cbEnableSplitFolder.IsChecked.Value,
-                    AssembliesToUse = AssemblyDataCollection.CreateList(AssemblyDataCollection),
+                    AssembliesToUse = AssemblyDataCollection.CreateList(AssemblyCollection),
                     CommitVersion = tbCommitVersion.Text
                 };
 
@@ -283,7 +284,7 @@ private void btnCreateJars_Click(object sender, RoutedEventArgs e)
                     WithJARSource = cbWithSource.IsChecked.Value,
                     EmbeddingJCOBridge = cbWithEmbedding.IsChecked.Value,
 
-                    AssembliesToUse = AssemblyDataCollection.CreateList(AssemblyDataCollection)
+                    AssembliesToUse = AssemblyDataCollection.CreateList(AssemblyCollection)
                 };
 
                 if (cbExportToFile.IsChecked.Value)
@@ -311,7 +312,7 @@ private void btnGenerateSnapshotPOM_Click(object sender, RoutedEventArgs e)
                 JDKToolExtraOptions = tbJDKToolExtraOptions.Text,
                 SourceFolder = SourceDestinationFolder,
                 SplitFolderByAssembly = cbEnableSplitFolder.IsChecked.Value,
-                AssembliesToUse = AssemblyDataCollection.CreateList(AssemblyDataCollection)
+                AssembliesToUse = AssemblyDataCollection.CreateList(AssemblyCollection)
             };
 
             if (cbExportToFile.IsChecked.Value)
@@ -335,7 +336,7 @@ private void btnGeneratePOM_Click(object sender, RoutedEventArgs e)
                 SourceFolder = SourceDestinationFolder,
                 SplitFolderByAssembly = cbEnableSplitFolder.IsChecked.Value,
                 POMStagingType = POMStagingType.Release,
-                AssembliesToUse = AssemblyDataCollection.CreateList(AssemblyDataCollection)
+                AssembliesToUse = AssemblyDataCollection.CreateList(AssemblyCollection)
             };
 
             if (cbExportToFile.IsChecked.Value)
diff --git a/src/engine/Reflector.cs b/src/engine/Reflector.cs
index b6afa5b69c7..5d4913929ad 100644
--- a/src/engine/Reflector.cs
+++ b/src/engine/Reflector.cs
@@ -56,6 +56,7 @@ static class Reflector
         static bool AvoidHierarchyTraversing;
         static bool CreateExceptionThrownClause;
         static int ExceptionThrownClauseDepth;
+        static bool AvoidDisableInternalNamespace;
 
         static long loadedAssemblies = 0;
         static long parsedAssemblies = 0;
@@ -85,7 +86,7 @@ static class Reflector
 
         static string reflectorVersion = typeof(Reflector).Assembly.GetName().Version.ToString();
 
-        static string replaceSinglekeyword(string inputName)
+        static string ReplaceSinglekeyword(string inputName)
         {
             foreach (var item in Const.KeyWords)
             {
@@ -302,7 +303,7 @@ static string GetReport(string[] assemblyNames)
             return res;
         }
 
-        static void writeExtraClasses(ReflectorEventArgs args)
+        static void WriteExtraClasses(ReflectorEventArgs args)
         {
             string destFolder = assemblyDestinationFolder(SourceDestinationFolder, new AssemblyName(Const.SpecialNames.JCOReflectorGeneratedFolder), SplitByAssembly);
             var jcoBridgeOptionsFile = Path.Combine(destFolder, Const.FileNameAndDirectory.OrgSubDirectory,
@@ -367,11 +368,11 @@ public static async Task ExecuteAction(object o)
             EnableInterfaceInheritance = args.EnableInterfaceInheritance;
             EnableRefOutParameters = args.EnableRefOutParameters;
             EnableWrite = !args.DryRun;
+            AvoidDisableInternalNamespace = args.AvoidDisableInternalNamespace;
 
-            writeExtraClasses(args);
+            WriteExtraClasses(args);
 
             string reportStr = string.Empty;
-            string statisticsCsv = string.Empty;
             try
             {
                 foreach (var item in args.AssemblyNames)
@@ -412,7 +413,7 @@ public static async Task ExecuteAction(object o)
                     }
 
                     string statisticsError;
-                    statisticsCsv = GetStatisticsCsv(out statisticsError);
+                    string statisticsCsv = GetStatisticsCsv(out statisticsError);
 
                     if (!String.IsNullOrEmpty(statisticsError))
                     {
@@ -470,11 +471,11 @@ static string assemblyDestinationFolder(string rootFolder, AssemblyName assembly
             return Path.Combine(rootFolder, Const.Framework.RuntimeFolder, splitByAssembly ? assemblyName.ToFolderName() : string.Empty);
         }
 
-        static bool typePrefilter(Type type)
+        static bool TypePrefilter(this Type type)
         {
             if (type.IsPublic
                 && !type.IsGenericType
-                && !type.ToPackageName().Contains(Const.SpecialNames.Internal) // avoid types with internal namespace name which are public
+                && (AvoidDisableInternalNamespace || !type.ToPackageName().Contains(Const.SpecialNames.Internal)) // avoid types with internal namespace name which are public
                )
             {
                 return true;
@@ -554,7 +555,7 @@ public static Assembly ExportAssembly(IList<string> assemblyReferenced, IList<st
 
                 var typeName = item.FullName;
 
-                if (typePrefilter(item))
+                if (item.TypePrefilter())
                 {
                     JobManager.AppendToConsole(LogLevel.Verbose, "Store {0} within types to be exported", item.AssemblyQualifiedName);
                     typesToExport.Add(item);
@@ -565,7 +566,7 @@ public static Assembly ExportAssembly(IList<string> assemblyReferenced, IList<st
                     Interlocked.Increment(ref discardedTypes);
                     if (!item.IsPublic) Interlocked.Increment(ref discardedNonPublicTypes);
                     else if (item.IsGenericType) Interlocked.Increment(ref discardedGenericTypes);
-                    else if (item.ToPackageName().Contains(Const.SpecialNames.Internal)) Interlocked.Increment(ref discardedInternalTypes);
+                    else if (AvoidDisableInternalNamespace || item.ToPackageName().Contains(Const.SpecialNames.Internal)) Interlocked.Increment(ref discardedInternalTypes);
                 }
             }
 
@@ -1105,7 +1106,7 @@ static string ExportConstructors(this Type type, IList<Type> imports, bool withI
                     string paramType = convertType(imports, parameter.ParameterType, out isPrimitive, out defaultPrimitiveValue, out isManaged, out isSpecial, out isArray);
                     if (!isManaged) break; // found not managed type, stop here
 
-                    var paramName = replaceSinglekeyword(parameter.Name);
+                    var paramName = ReplaceSinglekeyword(parameter.Name);
                     isPrimitive |= typeof(Delegate).IsAssignableFrom(parameter.ParameterType);
                     ctorParams.Append(string.Format(Const.Parameters.INPUT_PARAMETER, (isArray) ? paramType + (IsParams(parameter) ? Const.SpecialNames.VarArgsTrailer : Const.SpecialNames.ArrayTrailer) : paramType, paramName));
 
@@ -1514,7 +1515,7 @@ static string ExportMethods(this Type type, IList<Type> imports, IList<Type> imp
                             isPrimitive |= typeof(Delegate).IsAssignableFrom(parameter.ParameterType);
                             string formatter = string.Empty;
                             string objectCaster = string.Empty;
-                            var paramName = replaceSinglekeyword(parameter.Name);
+                            var paramName = ReplaceSinglekeyword(parameter.Name);
                             if (useRefOut)
                             {
                                 string primitiveParam = Const.Parameters.JCORefOutType;
@@ -1840,7 +1841,7 @@ static string ExportMethods(this Type type, IList<Type> imports, IList<Type> imp
                                 isPrimitive |= typeof(Delegate).IsAssignableFrom(parameter.ParameterType);
                                 string formatter = string.Empty;
                                 string objectCaster = string.Empty;
-                                var paramName = replaceSinglekeyword(parameter.Name);
+                                var paramName = ReplaceSinglekeyword(parameter.Name);
                                 if (useRefOut)
                                 {
                                     string primitiveParam = Const.Parameters.JCORefOutType;
@@ -1986,7 +1987,7 @@ static string buildPropertySignature(string templateToUse, string propertyJavaNa
             StringBuilder inputParams = new StringBuilder();
             StringBuilder execParams = new StringBuilder();
 
-            propertyJavaName = replaceSinglekeyword(propertyJavaName);
+            propertyJavaName = ReplaceSinglekeyword(propertyJavaName);
 
             string inputParamStr = inputParams.ToString();
             if (!string.IsNullOrEmpty(inputParamStr))
@@ -2424,7 +2425,7 @@ static bool ExportingDelegate(this Type item, string destFolder, string assembly
                 }
                 if (!isManaged) break; // found not managed type, stop here
 
-                var paramName = replaceSinglekeyword(parameter.Name);
+                var paramName = ReplaceSinglekeyword(parameter.Name);
 
                 if (isArray)
                 {
diff --git a/src/engine/SharedClasses.cs b/src/engine/SharedClasses.cs
index 934b4c31e1a..88e2c84e7e6 100644
--- a/src/engine/SharedClasses.cs
+++ b/src/engine/SharedClasses.cs
@@ -228,6 +228,7 @@ public class CmdParam
             public const string EnableRefOutParameters = "EnableRefOutParameters";
             public const string DryRun = "DryRun";
             public const string AvoidReportAndStatistics = "AvoidReportAndStatistics";
+            public const string AvoidDisableInternalNamespace = "AvoidDisableInternalNamespace";
 
             // JavaBuilderEventArgs
             public const string JDKFolder = "JDKFolder";
@@ -397,6 +398,12 @@ static IArgumentMetadata[] prepareArguments()
                     Default = false,
                     Help = "Do not write report and statistics (used from JobType.Reflect).",
                 },
+                new ArgumentMetadata<bool>()
+                {
+                    Name = CmdParam.AvoidDisableInternalNamespace,
+                    Default = false,
+                    Help = "Do not bypass namespace ending with Internal.",
+                },
                 new ArgumentMetadata<string>()
                 {
                     Name = CmdParam.JDKFolder,
@@ -657,6 +664,10 @@ public static CommonEventArgs UpdateFromArgs(this CommonEventArgs arg, IEnumerab
                         {
                             newArg.AvoidReportAndStatistics = Parser.Get<bool>(args, CmdParam.AvoidReportAndStatistics);
                         }
+                        if (Parser.Exist(args, CmdParam.AvoidDisableInternalNamespace))
+                        {
+                            newArg.AvoidDisableInternalNamespace = Parser.Get<bool>(args, CmdParam.AvoidDisableInternalNamespace);
+                        }
                     }
                     break;
                 case JobTypes.Build:
@@ -1612,6 +1623,7 @@ public ReflectorEventArgs(LogLevel logLevel)
         public bool EnableRefOutParameters { get; set; }
         public bool DryRun { get; set; }
         public bool AvoidReportAndStatistics { get; set; }
+        public bool AvoidDisableInternalNamespace { get; set; }
     }
     #endregion
 }