Fix logic of getNullableType of csharp server and client. (#3537)

* Fix default nullable

* Fix tests

* Update samples

* Fix template default value

* Update samples

* Also fix for interface

* update samples

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/AdditionalPropertiesClass.md

@@ -6,10 +6,10 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **MapString** | **Dictionary<string, string>** |  | [optional] 
-**MapNumber** | **Dictionary<string, decimal?>** |  | [optional] 
-**MapInteger** | **Dictionary<string, int?>** |  | [optional] 
-**MapBoolean** | **Dictionary<string, bool?>** |  | [optional] 
-**MapArrayInteger** | **Dictionary<string, List<int?>>** |  | [optional] 
+**MapNumber** | **Dictionary<string, decimal>** |  | [optional] 
+**MapInteger** | **Dictionary<string, int>** |  | [optional] 
+**MapBoolean** | **Dictionary<string, bool>** |  | [optional] 
+**MapArrayInteger** | **Dictionary<string, List<int>>** |  | [optional] 
 **MapArrayAnytype** | **Dictionary<string, List<Object>>** |  | [optional] 
 **MapMapString** | **Dictionary<string, Dictionary<string, string>>** |  | [optional] 
 **MapMapAnytype** | **Dictionary<string, Dictionary<string, Object>>** |  | [optional] 

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/AnotherFakeApi.md

@@ -19,7 +19,7 @@ To test special tags and operation ID starting with number
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -29,9 +29,10 @@ namespace Example
 {
     public class Call123TestSpecialTagsExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new AnotherFakeApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new AnotherFakeApi(Configuration.Default);
             var body = new ModelClient(); // ModelClient | client model
 
             try
@@ -40,9 +41,11 @@ namespace Example
                 ModelClient result = apiInstance.Call123TestSpecialTags(body);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling AnotherFakeApi.Call123TestSpecialTags: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -69,6 +72,11 @@ No authorization required
 - **Content-Type**: application/json
 - **Accept**: application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/ApiResponse.md

@@ -5,7 +5,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**Code** | **int?** |  | [optional] 
+**Code** | **int** |  | [optional] 
 **Type** | **string** |  | [optional] 
 **Message** | **string** |  | [optional] 
 

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/ArrayOfArrayOfNumberOnly.md

@@ -5,7 +5,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**ArrayArrayNumber** | **List<List<decimal?>>** |  | [optional] 
+**ArrayArrayNumber** | **List<List<decimal>>** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/ArrayOfNumberOnly.md

@@ -5,7 +5,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**ArrayNumber** | **List<decimal?>** |  | [optional] 
+**ArrayNumber** | **List<decimal>** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/ArrayTest.md

@@ -6,7 +6,7 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **ArrayOfString** | **List<string>** |  | [optional] 
-**ArrayArrayOfInteger** | **List<List<long?>>** |  | [optional] 
+**ArrayArrayOfInteger** | **List<List<long>>** |  | [optional] 
 **ArrayArrayOfModel** | **List<List<ReadOnlyFirst>>** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/Cat.md

@@ -7,7 +7,7 @@ Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **ClassName** | **string** |  | 
 **Color** | **string** |  | [optional] [default to "red"]
-**Declawed** | **bool?** |  | [optional] 
+**Declawed** | **bool** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/CatAllOf.md

@@ -5,7 +5,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**Declawed** | **bool?** |  | [optional] 
+**Declawed** | **bool** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/Category.md

@@ -5,7 +5,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**Id** | **long?** |  | [optional] 
+**Id** | **long** |  | [optional] 
 **Name** | **string** |  | [default to "default-name"]
 
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/EnumTest.md

@@ -7,8 +7,8 @@ Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **EnumString** | **string** |  | [optional] 
 **EnumStringRequired** | **string** |  | 
-**EnumInteger** | **int?** |  | [optional] 
-**EnumNumber** | **double?** |  | [optional] 
+**EnumInteger** | **int** |  | [optional] 
+**EnumNumber** | **double** |  | [optional] 
 **OuterEnum** | **OuterEnum** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/FakeApi.md

@@ -31,7 +31,7 @@ this route creates an XmlItem
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -41,9 +41,10 @@ namespace Example
 {
     public class CreateXmlItemExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new FakeApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
             var xmlItem = new XmlItem(); // XmlItem | XmlItem Body
 
             try
@@ -51,9 +52,11 @@ namespace Example
                 // creates an XmlItem
                 apiInstance.CreateXmlItem(xmlItem);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.CreateXmlItem: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -80,6 +83,11 @@ No authorization required
 - **Content-Type**: application/xml, application/xml; charset=utf-8, application/xml; charset=utf-16, text/xml, text/xml; charset=utf-8, text/xml; charset=utf-16
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -88,7 +96,7 @@ No authorization required
 
 ## FakeOuterBooleanSerialize
 
-> bool? FakeOuterBooleanSerialize (bool? body = null)
+> bool FakeOuterBooleanSerialize (bool body = null)
 
 
 
@@ -97,7 +105,7 @@ Test serialization of outer boolean types
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -107,19 +115,22 @@ namespace Example
 {
     public class FakeOuterBooleanSerializeExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new FakeApi();
-            var body = true;  // bool? | Input boolean as post body (optional) 
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
+            var body = true;  // bool | Input boolean as post body (optional) 
 
             try
             {
-                bool? result = apiInstance.FakeOuterBooleanSerialize(body);
+                bool result = apiInstance.FakeOuterBooleanSerialize(body);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.FakeOuterBooleanSerialize: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -131,11 +142,11 @@ namespace Example
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | **bool?**| Input boolean as post body | [optional] 
+ **body** | **bool**| Input boolean as post body | [optional] 
 
 ### Return type
 
-**bool?**
+**bool**
 
 ### Authorization
 
@@ -146,6 +157,11 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: */*
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Output boolean |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -163,7 +179,7 @@ Test serialization of object with outer number type
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -173,9 +189,10 @@ namespace Example
 {
     public class FakeOuterCompositeSerializeExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new FakeApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
             var body = new OuterComposite(); // OuterComposite | Input composite as post body (optional) 
 
             try
@@ -183,9 +200,11 @@ namespace Example
                 OuterComposite result = apiInstance.FakeOuterCompositeSerialize(body);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.FakeOuterCompositeSerialize: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -212,6 +231,11 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: */*
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Output composite |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -220,7 +244,7 @@ No authorization required
 
 ## FakeOuterNumberSerialize
 
-> decimal? FakeOuterNumberSerialize (decimal? body = null)
+> decimal FakeOuterNumberSerialize (decimal body = null)
 
 
 
@@ -229,7 +253,7 @@ Test serialization of outer number types
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -239,19 +263,22 @@ namespace Example
 {
     public class FakeOuterNumberSerializeExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new FakeApi();
-            var body = 8.14;  // decimal? | Input number as post body (optional) 
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
+            var body = 8.14;  // decimal | Input number as post body (optional) 
 
             try
             {
-                decimal? result = apiInstance.FakeOuterNumberSerialize(body);
+                decimal result = apiInstance.FakeOuterNumberSerialize(body);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.FakeOuterNumberSerialize: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -263,11 +290,11 @@ namespace Example
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | **decimal?**| Input number as post body | [optional] 
+ **body** | **decimal**| Input number as post body | [optional] 
 
 ### Return type
 
-**decimal?**
+**decimal**
 
 ### Authorization
 
@@ -278,6 +305,11 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: */*
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Output number |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -295,7 +327,7 @@ Test serialization of outer string types
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -305,9 +337,10 @@ namespace Example
 {
     public class FakeOuterStringSerializeExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new FakeApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
             var body = body_example;  // string | Input string as post body (optional) 
 
             try
@@ -315,9 +348,11 @@ namespace Example
                 string result = apiInstance.FakeOuterStringSerialize(body);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.FakeOuterStringSerialize: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -344,6 +379,11 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: */*
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Output string |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -361,7 +401,7 @@ For this test, the body for this request much reference a schema named `File`.
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -371,18 +411,21 @@ namespace Example
 {
     public class TestBodyWithFileSchemaExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new FakeApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
             var body = new FileSchemaTestClass(); // FileSchemaTestClass | 
 
             try
             {
                 apiInstance.TestBodyWithFileSchema(body);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.TestBodyWithFileSchema: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -409,6 +452,11 @@ No authorization required
 - **Content-Type**: application/json
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -424,7 +472,7 @@ No authorization required
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -434,9 +482,10 @@ namespace Example
 {
     public class TestBodyWithQueryParamsExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new FakeApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
             var query = query_example;  // string | 
             var body = new User(); // User | 
 
@@ -444,9 +493,11 @@ namespace Example
             {
                 apiInstance.TestBodyWithQueryParams(query, body);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.TestBodyWithQueryParams: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -474,6 +525,11 @@ No authorization required
 - **Content-Type**: application/json
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | Success |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -491,7 +547,7 @@ To test \"client\" model
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -501,9 +557,10 @@ namespace Example
 {
     public class TestClientModelExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new FakeApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
             var body = new ModelClient(); // ModelClient | client model
 
             try
@@ -512,9 +569,11 @@ namespace Example
                 ModelClient result = apiInstance.TestClientModel(body);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.TestClientModel: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -541,6 +600,11 @@ No authorization required
 - **Content-Type**: application/json
 - **Accept**: application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -549,7 +613,7 @@ No authorization required
 
 ## TestEndpointParameters
 
-> void TestEndpointParameters (decimal? number, double? _double, string patternWithoutDelimiter, byte[] _byte, int? integer = null, int? int32 = null, long? int64 = null, float? _float = null, string _string = null, System.IO.Stream binary = null, DateTime? date = null, DateTime? dateTime = null, string password = null, string callback = null)
+> void TestEndpointParameters (decimal number, double _double, string patternWithoutDelimiter, byte[] _byte, int integer = null, int int32 = null, long int64 = null, float _float = null, string _string = null, System.IO.Stream binary = null, DateTime date = null, DateTime dateTime = null, string password = null, string callback = null)
 
 Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
 
@@ -558,7 +622,7 @@ Fake endpoint for testing various parameters 假端點 偽のエンドポイン
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -568,25 +632,26 @@ namespace Example
 {
     public class TestEndpointParametersExample
     {
-        public void main()
+        public static void Main()
         {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
             // Configure HTTP basic authorization: http_basic_test
             Configuration.Default.Username = "YOUR_USERNAME";
             Configuration.Default.Password = "YOUR_PASSWORD";
 
-            var apiInstance = new FakeApi();
-            var number = 8.14;  // decimal? | None
-            var _double = 1.2D;  // double? | None
+            var apiInstance = new FakeApi(Configuration.Default);
+            var number = 8.14;  // decimal | None
+            var _double = 1.2D;  // double | None
             var patternWithoutDelimiter = patternWithoutDelimiter_example;  // string | None
             var _byte = BYTE_ARRAY_DATA_HERE;  // byte[] | None
-            var integer = 56;  // int? | None (optional) 
-            var int32 = 56;  // int? | None (optional) 
-            var int64 = 789;  // long? | None (optional) 
-            var _float = 3.4F;  // float? | None (optional) 
+            var integer = 56;  // int | None (optional) 
+            var int32 = 56;  // int | None (optional) 
+            var int64 = 789;  // long | None (optional) 
+            var _float = 3.4F;  // float | None (optional) 
             var _string = _string_example;  // string | None (optional) 
             var binary = BINARY_DATA_HERE;  // System.IO.Stream | None (optional) 
-            var date = 2013-10-20;  // DateTime? | None (optional) 
-            var dateTime = 2013-10-20T19:20:30+01:00;  // DateTime? | None (optional) 
+            var date = 2013-10-20;  // DateTime | None (optional) 
+            var dateTime = 2013-10-20T19:20:30+01:00;  // DateTime | None (optional) 
             var password = password_example;  // string | None (optional) 
             var callback = callback_example;  // string | None (optional) 
 
@@ -595,9 +660,11 @@ namespace Example
                 // Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
                 apiInstance.TestEndpointParameters(number, _double, patternWithoutDelimiter, _byte, integer, int32, int64, _float, _string, binary, date, dateTime, password, callback);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.TestEndpointParameters: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -609,18 +676,18 @@ namespace Example
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **number** | **decimal?**| None | 
- **_double** | **double?**| None | 
+ **number** | **decimal**| None | 
+ **_double** | **double**| None | 
  **patternWithoutDelimiter** | **string**| None | 
  **_byte** | **byte[]**| None | 
- **integer** | **int?**| None | [optional] 
- **int32** | **int?**| None | [optional] 
- **int64** | **long?**| None | [optional] 
- **_float** | **float?**| None | [optional] 
+ **integer** | **int**| None | [optional] 
+ **int32** | **int**| None | [optional] 
+ **int64** | **long**| None | [optional] 
+ **_float** | **float**| None | [optional] 
  **_string** | **string**| None | [optional] 
  **binary** | **System.IO.Stream**| None | [optional] 
- **date** | **DateTime?**| None | [optional] 
- **dateTime** | **DateTime?**| None | [optional] 
+ **date** | **DateTime**| None | [optional] 
+ **dateTime** | **DateTime**| None | [optional] 
  **password** | **string**| None | [optional] 
  **callback** | **string**| None | [optional] 
 
@@ -637,6 +704,12 @@ void (empty response body)
 - **Content-Type**: application/x-www-form-urlencoded
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **400** | Invalid username supplied |  -  |
+| **404** | User not found |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -645,7 +718,7 @@ void (empty response body)
 
 ## TestEnumParameters
 
-> void TestEnumParameters (List<string> enumHeaderStringArray = null, string enumHeaderString = null, List<string> enumQueryStringArray = null, string enumQueryString = null, int? enumQueryInteger = null, double? enumQueryDouble = null, List<string> enumFormStringArray = null, string enumFormString = null)
+> void TestEnumParameters (List<string> enumHeaderStringArray = null, string enumHeaderString = null, List<string> enumQueryStringArray = null, string enumQueryString = null, int enumQueryInteger = null, double enumQueryDouble = null, List<string> enumFormStringArray = null, string enumFormString = null)
 
 To test enum parameters
 
@@ -654,7 +727,7 @@ To test enum parameters
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -664,15 +737,16 @@ namespace Example
 {
     public class TestEnumParametersExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new FakeApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
             var enumHeaderStringArray = enumHeaderStringArray_example;  // List<string> | Header parameter enum test (string array) (optional) 
             var enumHeaderString = enumHeaderString_example;  // string | Header parameter enum test (string) (optional)  (default to -efg)
             var enumQueryStringArray = enumQueryStringArray_example;  // List<string> | Query parameter enum test (string array) (optional) 
             var enumQueryString = enumQueryString_example;  // string | Query parameter enum test (string) (optional)  (default to -efg)
-            var enumQueryInteger = 56;  // int? | Query parameter enum test (double) (optional) 
-            var enumQueryDouble = 1.2D;  // double? | Query parameter enum test (double) (optional) 
+            var enumQueryInteger = 56;  // int | Query parameter enum test (double) (optional) 
+            var enumQueryDouble = 1.2D;  // double | Query parameter enum test (double) (optional) 
             var enumFormStringArray = new List<string>(); // List<string> | Form parameter enum test (string array) (optional)  (default to $)
             var enumFormString = enumFormString_example;  // string | Form parameter enum test (string) (optional)  (default to -efg)
 
@@ -681,9 +755,11 @@ namespace Example
                 // To test enum parameters
                 apiInstance.TestEnumParameters(enumHeaderStringArray, enumHeaderString, enumQueryStringArray, enumQueryString, enumQueryInteger, enumQueryDouble, enumFormStringArray, enumFormString);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.TestEnumParameters: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -699,8 +775,8 @@ Name | Type | Description  | Notes
  **enumHeaderString** | **string**| Header parameter enum test (string) | [optional] [default to -efg]
  **enumQueryStringArray** | **List&lt;string&gt;**| Query parameter enum test (string array) | [optional] 
  **enumQueryString** | **string**| Query parameter enum test (string) | [optional] [default to -efg]
- **enumQueryInteger** | **int?**| Query parameter enum test (double) | [optional] 
- **enumQueryDouble** | **double?**| Query parameter enum test (double) | [optional] 
+ **enumQueryInteger** | **int**| Query parameter enum test (double) | [optional] 
+ **enumQueryDouble** | **double**| Query parameter enum test (double) | [optional] 
  **enumFormStringArray** | [**List&lt;string&gt;**](string.md)| Form parameter enum test (string array) | [optional] [default to $]
  **enumFormString** | **string**| Form parameter enum test (string) | [optional] [default to -efg]
 
@@ -717,6 +793,12 @@ No authorization required
 - **Content-Type**: application/x-www-form-urlencoded
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **400** | Invalid request |  -  |
+| **404** | Not found |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -725,7 +807,7 @@ No authorization required
 
 ## TestGroupParameters
 
-> void TestGroupParameters (int? requiredStringGroup, bool? requiredBooleanGroup, long? requiredInt64Group, int? stringGroup = null, bool? booleanGroup = null, long? int64Group = null)
+> void TestGroupParameters (int requiredStringGroup, bool requiredBooleanGroup, long requiredInt64Group, int stringGroup = null, bool booleanGroup = null, long int64Group = null)
 
 Fake endpoint to test group parameters (optional)
 
@@ -734,7 +816,7 @@ Fake endpoint to test group parameters (optional)
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -744,24 +826,27 @@ namespace Example
 {
     public class TestGroupParametersExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new FakeApi();
-            var requiredStringGroup = 56;  // int? | Required String in group parameters
-            var requiredBooleanGroup = true;  // bool? | Required Boolean in group parameters
-            var requiredInt64Group = 789;  // long? | Required Integer in group parameters
-            var stringGroup = 56;  // int? | String in group parameters (optional) 
-            var booleanGroup = true;  // bool? | Boolean in group parameters (optional) 
-            var int64Group = 789;  // long? | Integer in group parameters (optional) 
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
+            var requiredStringGroup = 56;  // int | Required String in group parameters
+            var requiredBooleanGroup = true;  // bool | Required Boolean in group parameters
+            var requiredInt64Group = 789;  // long | Required Integer in group parameters
+            var stringGroup = 56;  // int | String in group parameters (optional) 
+            var booleanGroup = true;  // bool | Boolean in group parameters (optional) 
+            var int64Group = 789;  // long | Integer in group parameters (optional) 
 
             try
             {
                 // Fake endpoint to test group parameters (optional)
                 apiInstance.TestGroupParameters(requiredStringGroup, requiredBooleanGroup, requiredInt64Group, stringGroup, booleanGroup, int64Group);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.TestGroupParameters: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -773,12 +858,12 @@ namespace Example
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **requiredStringGroup** | **int?**| Required String in group parameters | 
- **requiredBooleanGroup** | **bool?**| Required Boolean in group parameters | 
- **requiredInt64Group** | **long?**| Required Integer in group parameters | 
- **stringGroup** | **int?**| String in group parameters | [optional] 
- **booleanGroup** | **bool?**| Boolean in group parameters | [optional] 
- **int64Group** | **long?**| Integer in group parameters | [optional] 
+ **requiredStringGroup** | **int**| Required String in group parameters | 
+ **requiredBooleanGroup** | **bool**| Required Boolean in group parameters | 
+ **requiredInt64Group** | **long**| Required Integer in group parameters | 
+ **stringGroup** | **int**| String in group parameters | [optional] 
+ **booleanGroup** | **bool**| Boolean in group parameters | [optional] 
+ **int64Group** | **long**| Integer in group parameters | [optional] 
 
 ### Return type
 
@@ -793,6 +878,11 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **400** | Someting wrong |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -808,7 +898,7 @@ test inline additionalProperties
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -818,9 +908,10 @@ namespace Example
 {
     public class TestInlineAdditionalPropertiesExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new FakeApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
             var param = new Dictionary<string, string>(); // Dictionary<string, string> | request body
 
             try
@@ -828,9 +919,11 @@ namespace Example
                 // test inline additionalProperties
                 apiInstance.TestInlineAdditionalProperties(param);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.TestInlineAdditionalProperties: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -857,6 +950,11 @@ No authorization required
 - **Content-Type**: application/json
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -872,7 +970,7 @@ test json serialization of form data
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -882,9 +980,10 @@ namespace Example
 {
     public class TestJsonFormDataExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new FakeApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new FakeApi(Configuration.Default);
             var param = param_example;  // string | field1
             var param2 = param2_example;  // string | field2
 
@@ -893,9 +992,11 @@ namespace Example
                 // test json serialization of form data
                 apiInstance.TestJsonFormData(param, param2);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeApi.TestJsonFormData: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -923,6 +1024,11 @@ No authorization required
 - **Content-Type**: application/x-www-form-urlencoded
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/FakeClassnameTags123Api.md

@@ -19,7 +19,7 @@ To test class name in snake case
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -29,14 +29,15 @@ namespace Example
 {
     public class TestClassnameExample
     {
-        public void main()
+        public static void Main()
         {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
             // Configure API key authorization: api_key_query
             Configuration.Default.AddApiKey("api_key_query", "YOUR_API_KEY");
             // Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
             // Configuration.Default.AddApiKeyPrefix("api_key_query", "Bearer");
 
-            var apiInstance = new FakeClassnameTags123Api();
+            var apiInstance = new FakeClassnameTags123Api(Configuration.Default);
             var body = new ModelClient(); // ModelClient | client model
 
             try
@@ -45,9 +46,11 @@ namespace Example
                 ModelClient result = apiInstance.TestClassname(body);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling FakeClassnameTags123Api.TestClassname: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -74,6 +77,11 @@ Name | Type | Description  | Notes
 - **Content-Type**: application/json
 - **Accept**: application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/FormatTest.md

@@ -5,18 +5,18 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**Integer** | **int?** |  | [optional] 
-**Int32** | **int?** |  | [optional] 
-**Int64** | **long?** |  | [optional] 
-**Number** | **decimal?** |  | 
-**Float** | **float?** |  | [optional] 
-**Double** | **double?** |  | [optional] 
+**Integer** | **int** |  | [optional] 
+**Int32** | **int** |  | [optional] 
+**Int64** | **long** |  | [optional] 
+**Number** | **decimal** |  | 
+**Float** | **float** |  | [optional] 
+**Double** | **double** |  | [optional] 
 **String** | **string** |  | [optional] 
 **Byte** | **byte[]** |  | 
 **Binary** | **System.IO.Stream** |  | [optional] 
-**Date** | **DateTime?** |  | 
-**DateTime** | **DateTime?** |  | [optional] 
-**Uuid** | **Guid?** |  | [optional] 
+**Date** | **DateTime** |  | 
+**DateTime** | **DateTime** |  | [optional] 
+**Uuid** | **Guid** |  | [optional] 
 **Password** | **string** |  | 
 
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/MapTest.md

@@ -7,8 +7,8 @@ Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **MapMapOfString** | **Dictionary<string, Dictionary<string, string>>** |  | [optional] 
 **MapOfEnumString** | **Dictionary<string, string>** |  | [optional] 
-**DirectMap** | **Dictionary<string, bool?>** |  | [optional] 
-**IndirectMap** | **Dictionary<string, bool?>** |  | [optional] 
+**DirectMap** | **Dictionary<string, bool>** |  | [optional] 
+**IndirectMap** | **Dictionary<string, bool>** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/MixedPropertiesAndAdditionalPropertiesClass.md

@@ -5,8 +5,8 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**Uuid** | **Guid?** |  | [optional] 
-**DateTime** | **DateTime?** |  | [optional] 
+**Uuid** | **Guid** |  | [optional] 
+**DateTime** | **DateTime** |  | [optional] 
 **Map** | [**Dictionary<string, Animal>**](Animal.md) |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/Model200Response.md

@@ -5,7 +5,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**Name** | **int?** |  | [optional] 
+**Name** | **int** |  | [optional] 
 **Class** | **string** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/Name.md

@@ -5,10 +5,10 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**_Name** | **int?** |  | 
-**SnakeCase** | **int?** |  | [optional] 
+**_Name** | **int** |  | 
+**SnakeCase** | **int** |  | [optional] 
 **Property** | **string** |  | [optional] 
-**_123Number** | **int?** |  | [optional] 
+**_123Number** | **int** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/NumberOnly.md

@@ -5,7 +5,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**JustNumber** | **decimal?** |  | [optional] 
+**JustNumber** | **decimal** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/Order.md

@@ -5,12 +5,12 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**Id** | **long?** |  | [optional] 
-**PetId** | **long?** |  | [optional] 
-**Quantity** | **int?** |  | [optional] 
-**ShipDate** | **DateTime?** |  | [optional] 
+**Id** | **long** |  | [optional] 
+**PetId** | **long** |  | [optional] 
+**Quantity** | **int** |  | [optional] 
+**ShipDate** | **DateTime** |  | [optional] 
 **Status** | **string** | Order Status | [optional] 
-**Complete** | **bool?** |  | [optional] [default to false]
+**Complete** | **bool** |  | [optional] [default to false]
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/OuterComposite.md

@@ -5,9 +5,9 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**MyNumber** | **decimal?** |  | [optional] 
+**MyNumber** | **decimal** |  | [optional] 
 **MyString** | **string** |  | [optional] 
-**MyBoolean** | **bool?** |  | [optional] 
+**MyBoolean** | **bool** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/Pet.md

@@ -5,7 +5,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**Id** | **long?** |  | [optional] 
+**Id** | **long** |  | [optional] 
 **Category** | [**Category**](Category.md) |  | [optional] 
 **Name** | **string** |  | 
 **PhotoUrls** | **List<string>** |  | 

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/PetApi.md

@@ -25,7 +25,7 @@ Add a new pet to the store
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -35,12 +35,13 @@ namespace Example
 {
     public class AddPetExample
     {
-        public void main()
+        public static void Main()
         {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
             // Configure OAuth2 access token for authorization: petstore_auth
             Configuration.Default.AccessToken = "YOUR_ACCESS_TOKEN";
 
-            var apiInstance = new PetApi();
+            var apiInstance = new PetApi(Configuration.Default);
             var body = new Pet(); // Pet | Pet object that needs to be added to the store
 
             try
@@ -48,9 +49,11 @@ namespace Example
                 // Add a new pet to the store
                 apiInstance.AddPet(body);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling PetApi.AddPet: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -77,6 +80,12 @@ void (empty response body)
 - **Content-Type**: application/json, application/xml
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+| **405** | Invalid input |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -85,14 +94,14 @@ void (empty response body)
 
 ## DeletePet
 
-> void DeletePet (long? petId, string apiKey = null)
+> void DeletePet (long petId, string apiKey = null)
 
 Deletes a pet
 
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -102,13 +111,14 @@ namespace Example
 {
     public class DeletePetExample
     {
-        public void main()
+        public static void Main()
         {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
             // Configure OAuth2 access token for authorization: petstore_auth
             Configuration.Default.AccessToken = "YOUR_ACCESS_TOKEN";
 
-            var apiInstance = new PetApi();
-            var petId = 789;  // long? | Pet id to delete
+            var apiInstance = new PetApi(Configuration.Default);
+            var petId = 789;  // long | Pet id to delete
             var apiKey = apiKey_example;  // string |  (optional) 
 
             try
@@ -116,9 +126,11 @@ namespace Example
                 // Deletes a pet
                 apiInstance.DeletePet(petId, apiKey);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling PetApi.DeletePet: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -130,7 +142,7 @@ namespace Example
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **petId** | **long?**| Pet id to delete | 
+ **petId** | **long**| Pet id to delete | 
  **apiKey** | **string**|  | [optional] 
 
 ### Return type
@@ -146,6 +158,12 @@ void (empty response body)
 - **Content-Type**: Not defined
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+| **400** | Invalid pet value |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -154,7 +172,7 @@ void (empty response body)
 
 ## FindPetsByStatus
 
-> List<Pet> FindPetsByStatus (List<string> status)
+> List&lt;Pet&gt; FindPetsByStatus (List<string> status)
 
 Finds Pets by status
 
@@ -163,7 +181,7 @@ Multiple status values can be provided with comma separated strings
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -173,23 +191,26 @@ namespace Example
 {
     public class FindPetsByStatusExample
     {
-        public void main()
+        public static void Main()
         {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
             // Configure OAuth2 access token for authorization: petstore_auth
             Configuration.Default.AccessToken = "YOUR_ACCESS_TOKEN";
 
-            var apiInstance = new PetApi();
+            var apiInstance = new PetApi(Configuration.Default);
             var status = status_example;  // List<string> | Status values that need to be considered for filter
 
             try
             {
                 // Finds Pets by status
-                List&lt;Pet&gt; result = apiInstance.FindPetsByStatus(status);
+                List<Pet> result = apiInstance.FindPetsByStatus(status);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling PetApi.FindPetsByStatus: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -205,7 +226,7 @@ Name | Type | Description  | Notes
 
 ### Return type
 
-[**List<Pet>**](Pet.md)
+[**List&lt;Pet&gt;**](Pet.md)
 
 ### Authorization
 
@@ -216,6 +237,12 @@ Name | Type | Description  | Notes
 - **Content-Type**: Not defined
 - **Accept**: application/xml, application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+| **400** | Invalid status value |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -224,7 +251,7 @@ Name | Type | Description  | Notes
 
 ## FindPetsByTags
 
-> List<Pet> FindPetsByTags (List<string> tags)
+> List&lt;Pet&gt; FindPetsByTags (List<string> tags)
 
 Finds Pets by tags
 
@@ -233,7 +260,7 @@ Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -243,23 +270,26 @@ namespace Example
 {
     public class FindPetsByTagsExample
     {
-        public void main()
+        public static void Main()
         {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
             // Configure OAuth2 access token for authorization: petstore_auth
             Configuration.Default.AccessToken = "YOUR_ACCESS_TOKEN";
 
-            var apiInstance = new PetApi();
+            var apiInstance = new PetApi(Configuration.Default);
             var tags = new List<string>(); // List<string> | Tags to filter by
 
             try
             {
                 // Finds Pets by tags
-                List&lt;Pet&gt; result = apiInstance.FindPetsByTags(tags);
+                List<Pet> result = apiInstance.FindPetsByTags(tags);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling PetApi.FindPetsByTags: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -275,7 +305,7 @@ Name | Type | Description  | Notes
 
 ### Return type
 
-[**List<Pet>**](Pet.md)
+[**List&lt;Pet&gt;**](Pet.md)
 
 ### Authorization
 
@@ -286,6 +316,12 @@ Name | Type | Description  | Notes
 - **Content-Type**: Not defined
 - **Accept**: application/xml, application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+| **400** | Invalid tag value |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -294,7 +330,7 @@ Name | Type | Description  | Notes
 
 ## GetPetById
 
-> Pet GetPetById (long? petId)
+> Pet GetPetById (long petId)
 
 Find pet by ID
 
@@ -303,7 +339,7 @@ Returns a single pet
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -313,15 +349,16 @@ namespace Example
 {
     public class GetPetByIdExample
     {
-        public void main()
+        public static void Main()
         {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
             // Configure API key authorization: api_key
             Configuration.Default.AddApiKey("api_key", "YOUR_API_KEY");
             // Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
             // Configuration.Default.AddApiKeyPrefix("api_key", "Bearer");
 
-            var apiInstance = new PetApi();
-            var petId = 789;  // long? | ID of pet to return
+            var apiInstance = new PetApi(Configuration.Default);
+            var petId = 789;  // long | ID of pet to return
 
             try
             {
@@ -329,9 +366,11 @@ namespace Example
                 Pet result = apiInstance.GetPetById(petId);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling PetApi.GetPetById: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -343,7 +382,7 @@ namespace Example
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **petId** | **long?**| ID of pet to return | 
+ **petId** | **long**| ID of pet to return | 
 
 ### Return type
 
@@ -358,6 +397,13 @@ Name | Type | Description  | Notes
 - **Content-Type**: Not defined
 - **Accept**: application/xml, application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+| **400** | Invalid ID supplied |  -  |
+| **404** | Pet not found |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -373,7 +419,7 @@ Update an existing pet
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -383,12 +429,13 @@ namespace Example
 {
     public class UpdatePetExample
     {
-        public void main()
+        public static void Main()
         {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
             // Configure OAuth2 access token for authorization: petstore_auth
             Configuration.Default.AccessToken = "YOUR_ACCESS_TOKEN";
 
-            var apiInstance = new PetApi();
+            var apiInstance = new PetApi(Configuration.Default);
             var body = new Pet(); // Pet | Pet object that needs to be added to the store
 
             try
@@ -396,9 +443,11 @@ namespace Example
                 // Update an existing pet
                 apiInstance.UpdatePet(body);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling PetApi.UpdatePet: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -425,6 +474,14 @@ void (empty response body)
 - **Content-Type**: application/json, application/xml
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+| **400** | Invalid ID supplied |  -  |
+| **404** | Pet not found |  -  |
+| **405** | Validation exception |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -433,14 +490,14 @@ void (empty response body)
 
 ## UpdatePetWithForm
 
-> void UpdatePetWithForm (long? petId, string name = null, string status = null)
+> void UpdatePetWithForm (long petId, string name = null, string status = null)
 
 Updates a pet in the store with form data
 
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -450,13 +507,14 @@ namespace Example
 {
     public class UpdatePetWithFormExample
     {
-        public void main()
+        public static void Main()
         {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
             // Configure OAuth2 access token for authorization: petstore_auth
             Configuration.Default.AccessToken = "YOUR_ACCESS_TOKEN";
 
-            var apiInstance = new PetApi();
-            var petId = 789;  // long? | ID of pet that needs to be updated
+            var apiInstance = new PetApi(Configuration.Default);
+            var petId = 789;  // long | ID of pet that needs to be updated
             var name = name_example;  // string | Updated name of the pet (optional) 
             var status = status_example;  // string | Updated status of the pet (optional) 
 
@@ -465,9 +523,11 @@ namespace Example
                 // Updates a pet in the store with form data
                 apiInstance.UpdatePetWithForm(petId, name, status);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling PetApi.UpdatePetWithForm: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -479,7 +539,7 @@ namespace Example
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **petId** | **long?**| ID of pet that needs to be updated | 
+ **petId** | **long**| ID of pet that needs to be updated | 
  **name** | **string**| Updated name of the pet | [optional] 
  **status** | **string**| Updated status of the pet | [optional] 
 
@@ -496,6 +556,11 @@ void (empty response body)
 - **Content-Type**: application/x-www-form-urlencoded
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **405** | Invalid input |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -504,14 +569,14 @@ void (empty response body)
 
 ## UploadFile
 
-> ApiResponse UploadFile (long? petId, string additionalMetadata = null, System.IO.Stream file = null)
+> ApiResponse UploadFile (long petId, string additionalMetadata = null, System.IO.Stream file = null)
 
 uploads an image
 
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -521,13 +586,14 @@ namespace Example
 {
     public class UploadFileExample
     {
-        public void main()
+        public static void Main()
         {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
             // Configure OAuth2 access token for authorization: petstore_auth
             Configuration.Default.AccessToken = "YOUR_ACCESS_TOKEN";
 
-            var apiInstance = new PetApi();
-            var petId = 789;  // long? | ID of pet to update
+            var apiInstance = new PetApi(Configuration.Default);
+            var petId = 789;  // long | ID of pet to update
             var additionalMetadata = additionalMetadata_example;  // string | Additional data to pass to server (optional) 
             var file = BINARY_DATA_HERE;  // System.IO.Stream | file to upload (optional) 
 
@@ -537,9 +603,11 @@ namespace Example
                 ApiResponse result = apiInstance.UploadFile(petId, additionalMetadata, file);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling PetApi.UploadFile: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -551,7 +619,7 @@ namespace Example
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **petId** | **long?**| ID of pet to update | 
+ **petId** | **long**| ID of pet to update | 
  **additionalMetadata** | **string**| Additional data to pass to server | [optional] 
  **file** | **System.IO.Stream**| file to upload | [optional] 
 
@@ -568,6 +636,11 @@ Name | Type | Description  | Notes
 - **Content-Type**: multipart/form-data
 - **Accept**: application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -576,14 +649,14 @@ Name | Type | Description  | Notes
 
 ## UploadFileWithRequiredFile
 
-> ApiResponse UploadFileWithRequiredFile (long? petId, System.IO.Stream requiredFile, string additionalMetadata = null)
+> ApiResponse UploadFileWithRequiredFile (long petId, System.IO.Stream requiredFile, string additionalMetadata = null)
 
 uploads an image (required)
 
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -593,13 +666,14 @@ namespace Example
 {
     public class UploadFileWithRequiredFileExample
     {
-        public void main()
+        public static void Main()
         {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
             // Configure OAuth2 access token for authorization: petstore_auth
             Configuration.Default.AccessToken = "YOUR_ACCESS_TOKEN";
 
-            var apiInstance = new PetApi();
-            var petId = 789;  // long? | ID of pet to update
+            var apiInstance = new PetApi(Configuration.Default);
+            var petId = 789;  // long | ID of pet to update
             var requiredFile = BINARY_DATA_HERE;  // System.IO.Stream | file to upload
             var additionalMetadata = additionalMetadata_example;  // string | Additional data to pass to server (optional) 
 
@@ -609,9 +683,11 @@ namespace Example
                 ApiResponse result = apiInstance.UploadFileWithRequiredFile(petId, requiredFile, additionalMetadata);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling PetApi.UploadFileWithRequiredFile: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -623,7 +699,7 @@ namespace Example
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **petId** | **long?**| ID of pet to update | 
+ **petId** | **long**| ID of pet to update | 
  **requiredFile** | **System.IO.Stream**| file to upload | 
  **additionalMetadata** | **string**| Additional data to pass to server | [optional] 
 
@@ -640,6 +716,11 @@ Name | Type | Description  | Notes
 - **Content-Type**: multipart/form-data
 - **Accept**: application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/Return.md

@@ -5,7 +5,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**_Return** | **int?** |  | [optional] 
+**_Return** | **int** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/SpecialModelName.md

@@ -5,7 +5,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**SpecialPropertyName** | **long?** |  | [optional] 
+**SpecialPropertyName** | **long** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/StoreApi.md

@@ -22,7 +22,7 @@ For valid response try integer IDs with value < 1000. Anything above 1000 or non
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -32,9 +32,10 @@ namespace Example
 {
     public class DeleteOrderExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new StoreApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new StoreApi(Configuration.Default);
             var orderId = orderId_example;  // string | ID of the order that needs to be deleted
 
             try
@@ -42,9 +43,11 @@ namespace Example
                 // Delete purchase order by ID
                 apiInstance.DeleteOrder(orderId);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling StoreApi.DeleteOrder: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -71,6 +74,12 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **400** | Invalid ID supplied |  -  |
+| **404** | Order not found |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -79,7 +88,7 @@ No authorization required
 
 ## GetInventory
 
-> Dictionary<string, int?> GetInventory ()
+> Dictionary&lt;string, int&gt; GetInventory ()
 
 Returns pet inventories by status
 
@@ -88,7 +97,7 @@ Returns a map of status codes to quantities
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -98,24 +107,27 @@ namespace Example
 {
     public class GetInventoryExample
     {
-        public void main()
+        public static void Main()
         {
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
             // Configure API key authorization: api_key
             Configuration.Default.AddApiKey("api_key", "YOUR_API_KEY");
             // Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
             // Configuration.Default.AddApiKeyPrefix("api_key", "Bearer");
 
-            var apiInstance = new StoreApi();
+            var apiInstance = new StoreApi(Configuration.Default);
 
             try
             {
                 // Returns pet inventories by status
-                Dictionary&lt;string, int?&gt; result = apiInstance.GetInventory();
+                Dictionary<string, int> result = apiInstance.GetInventory();
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling StoreApi.GetInventory: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -128,7 +140,7 @@ This endpoint does not need any parameter.
 
 ### Return type
 
-**Dictionary<string, int?>**
+**Dictionary<string, int>**
 
 ### Authorization
 
@@ -139,6 +151,11 @@ This endpoint does not need any parameter.
 - **Content-Type**: Not defined
 - **Accept**: application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -147,7 +164,7 @@ This endpoint does not need any parameter.
 
 ## GetOrderById
 
-> Order GetOrderById (long? orderId)
+> Order GetOrderById (long orderId)
 
 Find purchase order by ID
 
@@ -156,7 +173,7 @@ For valid response try integer IDs with value <= 5 or > 10. Other values will ge
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -166,10 +183,11 @@ namespace Example
 {
     public class GetOrderByIdExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new StoreApi();
-            var orderId = 789;  // long? | ID of pet that needs to be fetched
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new StoreApi(Configuration.Default);
+            var orderId = 789;  // long | ID of pet that needs to be fetched
 
             try
             {
@@ -177,9 +195,11 @@ namespace Example
                 Order result = apiInstance.GetOrderById(orderId);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling StoreApi.GetOrderById: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -191,7 +211,7 @@ namespace Example
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **orderId** | **long?**| ID of pet that needs to be fetched | 
+ **orderId** | **long**| ID of pet that needs to be fetched | 
 
 ### Return type
 
@@ -206,6 +226,13 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: application/xml, application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+| **400** | Invalid ID supplied |  -  |
+| **404** | Order not found |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -221,7 +248,7 @@ Place an order for a pet
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -231,9 +258,10 @@ namespace Example
 {
     public class PlaceOrderExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new StoreApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new StoreApi(Configuration.Default);
             var body = new Order(); // Order | order placed for purchasing the pet
 
             try
@@ -242,9 +270,11 @@ namespace Example
                 Order result = apiInstance.PlaceOrder(body);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling StoreApi.PlaceOrder: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -271,6 +301,12 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: application/xml, application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+| **400** | Invalid Order |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/Tag.md

@@ -5,7 +5,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**Id** | **long?** |  | [optional] 
+**Id** | **long** |  | [optional] 
 **Name** | **string** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/TypeHolderDefault.md

@@ -6,10 +6,10 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **StringItem** | **string** |  | [default to "what"]
-**NumberItem** | **decimal?** |  | 
-**IntegerItem** | **int?** |  | 
-**BoolItem** | **bool?** |  | [default to true]
-**ArrayItem** | **List<int?>** |  | 
+**NumberItem** | **decimal** |  | 
+**IntegerItem** | **int** |  | 
+**BoolItem** | **bool** |  | [default to true]
+**ArrayItem** | **List<int>** |  | 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/TypeHolderExample.md

@@ -6,10 +6,10 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **StringItem** | **string** |  | 
-**NumberItem** | **decimal?** |  | 
-**IntegerItem** | **int?** |  | 
-**BoolItem** | **bool?** |  | 
-**ArrayItem** | **List<int?>** |  | 
+**NumberItem** | **decimal** |  | 
+**IntegerItem** | **int** |  | 
+**BoolItem** | **bool** |  | 
+**ArrayItem** | **List<int>** |  | 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/User.md

@@ -5,14 +5,14 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**Id** | **long?** |  | [optional] 
+**Id** | **long** |  | [optional] 
 **Username** | **string** |  | [optional] 
 **FirstName** | **string** |  | [optional] 
 **LastName** | **string** |  | [optional] 
 **Email** | **string** |  | [optional] 
 **Password** | **string** |  | [optional] 
 **Phone** | **string** |  | [optional] 
-**UserStatus** | **int?** | User Status | [optional] 
+**UserStatus** | **int** | User Status | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/UserApi.md

@@ -26,7 +26,7 @@ This can only be done by the logged in user.
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -36,9 +36,10 @@ namespace Example
 {
     public class CreateUserExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new UserApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new UserApi(Configuration.Default);
             var body = new User(); // User | Created user object
 
             try
@@ -46,9 +47,11 @@ namespace Example
                 // Create user
                 apiInstance.CreateUser(body);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling UserApi.CreateUser: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -75,6 +78,11 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **0** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -90,7 +98,7 @@ Creates list of users with given input array
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -100,9 +108,10 @@ namespace Example
 {
     public class CreateUsersWithArrayInputExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new UserApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new UserApi(Configuration.Default);
             var body = new List<User>(); // List<User> | List of user object
 
             try
@@ -110,9 +119,11 @@ namespace Example
                 // Creates list of users with given input array
                 apiInstance.CreateUsersWithArrayInput(body);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling UserApi.CreateUsersWithArrayInput: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -124,7 +135,7 @@ namespace Example
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**List&lt;User&gt;**](List.md)| List of user object | 
+ **body** | [**List&lt;User&gt;**](User.md)| List of user object | 
 
 ### Return type
 
@@ -139,6 +150,11 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **0** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -154,7 +170,7 @@ Creates list of users with given input array
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -164,9 +180,10 @@ namespace Example
 {
     public class CreateUsersWithListInputExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new UserApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new UserApi(Configuration.Default);
             var body = new List<User>(); // List<User> | List of user object
 
             try
@@ -174,9 +191,11 @@ namespace Example
                 // Creates list of users with given input array
                 apiInstance.CreateUsersWithListInput(body);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling UserApi.CreateUsersWithListInput: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -188,7 +207,7 @@ namespace Example
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **body** | [**List&lt;User&gt;**](List.md)| List of user object | 
+ **body** | [**List&lt;User&gt;**](User.md)| List of user object | 
 
 ### Return type
 
@@ -203,6 +222,11 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **0** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -220,7 +244,7 @@ This can only be done by the logged in user.
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -230,9 +254,10 @@ namespace Example
 {
     public class DeleteUserExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new UserApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new UserApi(Configuration.Default);
             var username = username_example;  // string | The name that needs to be deleted
 
             try
@@ -240,9 +265,11 @@ namespace Example
                 // Delete user
                 apiInstance.DeleteUser(username);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling UserApi.DeleteUser: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -269,6 +296,12 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **400** | Invalid username supplied |  -  |
+| **404** | User not found |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -284,7 +317,7 @@ Get user by user name
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -294,9 +327,10 @@ namespace Example
 {
     public class GetUserByNameExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new UserApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new UserApi(Configuration.Default);
             var username = username_example;  // string | The name that needs to be fetched. Use user1 for testing.
 
             try
@@ -305,9 +339,11 @@ namespace Example
                 User result = apiInstance.GetUserByName(username);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling UserApi.GetUserByName: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -334,6 +370,13 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: application/xml, application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  -  |
+| **400** | Invalid username supplied |  -  |
+| **404** | User not found |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -349,7 +392,7 @@ Logs user into the system
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -359,9 +402,10 @@ namespace Example
 {
     public class LoginUserExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new UserApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new UserApi(Configuration.Default);
             var username = username_example;  // string | The user name for login
             var password = password_example;  // string | The password for login in clear text
 
@@ -371,9 +415,11 @@ namespace Example
                 string result = apiInstance.LoginUser(username, password);
                 Debug.WriteLine(result);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling UserApi.LoginUser: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -401,6 +447,12 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: application/xml, application/json
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **200** | successful operation |  * X-Rate-Limit - calls per hour allowed by the user <br>  * X-Expires-After - date in UTC when token expires <br>  |
+| **400** | Invalid username/password supplied |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -416,7 +468,7 @@ Logs out current logged in user session
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -426,18 +478,21 @@ namespace Example
 {
     public class LogoutUserExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new UserApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new UserApi(Configuration.Default);
 
             try
             {
                 // Logs out current logged in user session
                 apiInstance.LogoutUser();
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling UserApi.LogoutUser: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -461,6 +516,11 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **0** | successful operation |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)
@@ -478,7 +538,7 @@ This can only be done by the logged in user.
 ### Example
 
 ```csharp
-using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using Org.OpenAPITools.Api;
 using Org.OpenAPITools.Client;
@@ -488,9 +548,10 @@ namespace Example
 {
     public class UpdateUserExample
     {
-        public void main()
+        public static void Main()
         {
-            var apiInstance = new UserApi();
+            Configuration.Default.BasePath = "http://petstore.swagger.io:80/v2";
+            var apiInstance = new UserApi(Configuration.Default);
             var username = username_example;  // string | name that need to be deleted
             var body = new User(); // User | Updated user object
 
@@ -499,9 +560,11 @@ namespace Example
                 // Updated user
                 apiInstance.UpdateUser(username, body);
             }
-            catch (Exception e)
+            catch (ApiException e)
             {
                 Debug.Print("Exception when calling UserApi.UpdateUser: " + e.Message );
+                Debug.Print("Status Code: "+ e.ErrorCode);
+                Debug.Print(e.StackTrace);
             }
         }
     }
@@ -529,6 +592,12 @@ No authorization required
 - **Content-Type**: Not defined
 - **Accept**: Not defined
 
+### HTTP response details
+| Status code | Description | Response headers |
+|-------------|-------------|------------------|
+| **400** | Invalid user supplied |  -  |
+| **404** | User not found |  -  |
+
 [[Back to top]](#)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)
 [[Back to Model list]](../README.md#documentation-for-models)

samples/client/petstore/csharp/OpenAPIClientWithPropertyChanged/docs/XmlItem.md

@@ -6,34 +6,34 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **AttributeString** | **string** |  | [optional] 
-**AttributeNumber** | **decimal?** |  | [optional] 
-**AttributeInteger** | **int?** |  | [optional] 
-**AttributeBoolean** | **bool?** |  | [optional] 
-**WrappedArray** | **List<int?>** |  | [optional] 
+**AttributeNumber** | **decimal** |  | [optional] 
+**AttributeInteger** | **int** |  | [optional] 
+**AttributeBoolean** | **bool** |  | [optional] 
+**WrappedArray** | **List<int>** |  | [optional] 
 **NameString** | **string** |  | [optional] 
-**NameNumber** | **decimal?** |  | [optional] 
-**NameInteger** | **int?** |  | [optional] 
-**NameBoolean** | **bool?** |  | [optional] 
-**NameArray** | **List<int?>** |  | [optional] 
-**NameWrappedArray** | **List<int?>** |  | [optional] 
+**NameNumber** | **decimal** |  | [optional] 
+**NameInteger** | **int** |  | [optional] 
+**NameBoolean** | **bool** |  | [optional] 
+**NameArray** | **List<int>** |  | [optional] 
+**NameWrappedArray** | **List<int>** |  | [optional] 
 **PrefixString** | **string** |  | [optional] 
-**PrefixNumber** | **decimal?** |  | [optional] 
-**PrefixInteger** | **int?** |  | [optional] 
-**PrefixBoolean** | **bool?** |  | [optional] 
-**PrefixArray** | **List<int?>** |  | [optional] 
-**PrefixWrappedArray** | **List<int?>** |  | [optional] 
+**PrefixNumber** | **decimal** |  | [optional] 
+**PrefixInteger** | **int** |  | [optional] 
+**PrefixBoolean** | **bool** |  | [optional] 
+**PrefixArray** | **List<int>** |  | [optional] 
+**PrefixWrappedArray** | **List<int>** |  | [optional] 
 **NamespaceString** | **string** |  | [optional] 
-**NamespaceNumber** | **decimal?** |  | [optional] 
-**NamespaceInteger** | **int?** |  | [optional] 
-**NamespaceBoolean** | **bool?** |  | [optional] 
-**NamespaceArray** | **List<int?>** |  | [optional] 
-**NamespaceWrappedArray** | **List<int?>** |  | [optional] 
+**NamespaceNumber** | **decimal** |  | [optional] 
+**NamespaceInteger** | **int** |  | [optional] 
+**NamespaceBoolean** | **bool** |  | [optional] 
+**NamespaceArray** | **List<int>** |  | [optional] 
+**NamespaceWrappedArray** | **List<int>** |  | [optional] 
 **PrefixNsString** | **string** |  | [optional] 
-**PrefixNsNumber** | **decimal?** |  | [optional] 
-**PrefixNsInteger** | **int?** |  | [optional] 
-**PrefixNsBoolean** | **bool?** |  | [optional] 
-**PrefixNsArray** | **List<int?>** |  | [optional] 
-**PrefixNsWrappedArray** | **List<int?>** |  | [optional] 
+**PrefixNsNumber** | **decimal** |  | [optional] 
+**PrefixNsInteger** | **int** |  | [optional] 
+**PrefixNsBoolean** | **bool** |  | [optional] 
+**PrefixNsArray** | **List<int>** |  | [optional] 
+**PrefixNsWrappedArray** | **List<int>** |  | [optional] 
 
 [[Back to Model list]](../README.md#documentation-for-models)
 [[Back to API list]](../README.md#documentation-for-api-endpoints)