diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesAnyType.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesAnyType.java
index 1abb2d8a64e..69d6a817294 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesAnyType.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesAnyType.java
@@ -40,7 +40,7 @@ public class AdditionalPropertiesAnyType extends HashMap<String, Object> {
    * Get name
    * @return name
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getName() {
     return name;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesArray.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesArray.java
index 1821c243e1d..0147a592b7e 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesArray.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesArray.java
@@ -41,7 +41,7 @@ public class AdditionalPropertiesArray extends HashMap<String, List> {
    * Get name
    * @return name
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getName() {
     return name;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesBoolean.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesBoolean.java
index 78f7ac79b21..89aa511c2a8 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesBoolean.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesBoolean.java
@@ -40,7 +40,7 @@ public class AdditionalPropertiesBoolean extends HashMap<String, Boolean> {
    * Get name
    * @return name
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getName() {
     return name;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesClass.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesClass.java
index fc52759bc83..ecb4e102ea2 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesClass.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesClass.java
@@ -80,7 +80,7 @@ public class AdditionalPropertiesClass {
    * Get mapString
    * @return mapString
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, String> getMapString() {
     return mapString;
@@ -107,7 +107,7 @@ public class AdditionalPropertiesClass {
    * Get mapNumber
    * @return mapNumber
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, BigDecimal> getMapNumber() {
     return mapNumber;
@@ -134,7 +134,7 @@ public class AdditionalPropertiesClass {
    * Get mapInteger
    * @return mapInteger
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, Integer> getMapInteger() {
     return mapInteger;
@@ -161,7 +161,7 @@ public class AdditionalPropertiesClass {
    * Get mapBoolean
    * @return mapBoolean
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, Boolean> getMapBoolean() {
     return mapBoolean;
@@ -188,7 +188,7 @@ public class AdditionalPropertiesClass {
    * Get mapArrayInteger
    * @return mapArrayInteger
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, List<Integer>> getMapArrayInteger() {
     return mapArrayInteger;
@@ -215,7 +215,7 @@ public class AdditionalPropertiesClass {
    * Get mapArrayAnytype
    * @return mapArrayAnytype
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, List<Object>> getMapArrayAnytype() {
     return mapArrayAnytype;
@@ -242,7 +242,7 @@ public class AdditionalPropertiesClass {
    * Get mapMapString
    * @return mapMapString
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, Map<String, String>> getMapMapString() {
     return mapMapString;
@@ -269,7 +269,7 @@ public class AdditionalPropertiesClass {
    * Get mapMapAnytype
    * @return mapMapAnytype
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, Map<String, Object>> getMapMapAnytype() {
     return mapMapAnytype;
@@ -288,7 +288,7 @@ public class AdditionalPropertiesClass {
    * Get anytype1
    * @return anytype1
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Object getAnytype1() {
     return anytype1;
@@ -307,7 +307,7 @@ public class AdditionalPropertiesClass {
    * Get anytype2
    * @return anytype2
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Object getAnytype2() {
     return anytype2;
@@ -326,7 +326,7 @@ public class AdditionalPropertiesClass {
    * Get anytype3
    * @return anytype3
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Object getAnytype3() {
     return anytype3;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesInteger.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesInteger.java
index 6e5159d404d..f27ff011de1 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesInteger.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesInteger.java
@@ -40,7 +40,7 @@ public class AdditionalPropertiesInteger extends HashMap<String, Integer> {
    * Get name
    * @return name
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getName() {
     return name;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesNumber.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesNumber.java
index ddc8146dea2..479696fdcef 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesNumber.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesNumber.java
@@ -41,7 +41,7 @@ public class AdditionalPropertiesNumber extends HashMap<String, BigDecimal> {
    * Get name
    * @return name
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getName() {
     return name;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesObject.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesObject.java
index cc29400029f..bd569b0da3e 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesObject.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesObject.java
@@ -40,7 +40,7 @@ public class AdditionalPropertiesObject extends HashMap<String, Map> {
    * Get name
    * @return name
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getName() {
     return name;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesString.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesString.java
index fb3368dfeda..27e03a2313e 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesString.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/AdditionalPropertiesString.java
@@ -40,7 +40,7 @@ public class AdditionalPropertiesString extends HashMap<String, String> {
    * Get name
    * @return name
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getName() {
     return name;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Animal.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Animal.java
index 53a0eec3395..dc16717ac32 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Animal.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Animal.java
@@ -49,7 +49,6 @@ public class Animal {
    * Get className
    * @return className
   **/
-
   @ApiModelProperty(required = true, value = "")
   public String getClassName() {
     return className;
@@ -68,7 +67,7 @@ public class Animal {
    * Get color
    * @return color
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getColor() {
     return color;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnly.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnly.java
index 49b5c552506..66e9fba5d75 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnly.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnly.java
@@ -49,7 +49,7 @@ public class ArrayOfArrayOfNumberOnly {
    * Get arrayArrayNumber
    * @return arrayArrayNumber
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<List<BigDecimal>> getArrayArrayNumber() {
     return arrayArrayNumber;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ArrayOfNumberOnly.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ArrayOfNumberOnly.java
index ef2555974df..9f5b467a314 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ArrayOfNumberOnly.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ArrayOfNumberOnly.java
@@ -49,7 +49,7 @@ public class ArrayOfNumberOnly {
    * Get arrayNumber
    * @return arrayNumber
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<BigDecimal> getArrayNumber() {
     return arrayNumber;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ArrayTest.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ArrayTest.java
index b6b98aa275e..7ac67880894 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ArrayTest.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ArrayTest.java
@@ -55,7 +55,7 @@ public class ArrayTest {
    * Get arrayOfString
    * @return arrayOfString
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<String> getArrayOfString() {
     return arrayOfString;
@@ -82,7 +82,7 @@ public class ArrayTest {
    * Get arrayArrayOfInteger
    * @return arrayArrayOfInteger
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<List<Long>> getArrayArrayOfInteger() {
     return arrayArrayOfInteger;
@@ -109,7 +109,7 @@ public class ArrayTest {
    * Get arrayArrayOfModel
    * @return arrayArrayOfModel
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<List<ReadOnlyFirst>> getArrayArrayOfModel() {
     return arrayArrayOfModel;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Capitalization.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Capitalization.java
index bb83be97fe9..3f3df29d5da 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Capitalization.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Capitalization.java
@@ -53,7 +53,7 @@ public class Capitalization {
    * Get smallCamel
    * @return smallCamel
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getSmallCamel() {
     return smallCamel;
@@ -72,7 +72,7 @@ public class Capitalization {
    * Get capitalCamel
    * @return capitalCamel
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getCapitalCamel() {
     return capitalCamel;
@@ -91,7 +91,7 @@ public class Capitalization {
    * Get smallSnake
    * @return smallSnake
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getSmallSnake() {
     return smallSnake;
@@ -110,7 +110,7 @@ public class Capitalization {
    * Get capitalSnake
    * @return capitalSnake
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getCapitalSnake() {
     return capitalSnake;
@@ -129,7 +129,7 @@ public class Capitalization {
    * Get scAETHFlowPoints
    * @return scAETHFlowPoints
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getScAETHFlowPoints() {
     return scAETHFlowPoints;
@@ -148,7 +148,7 @@ public class Capitalization {
    * Name of the pet 
    * @return ATT_NAME
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "Name of the pet ")
   public String getATTNAME() {
     return ATT_NAME;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Cat.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Cat.java
index ce456c86479..a8108d6f151 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Cat.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Cat.java
@@ -40,7 +40,7 @@ public class Cat extends Animal {
    * Get declawed
    * @return declawed
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Boolean getDeclawed() {
     return declawed;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/CatAllOf.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/CatAllOf.java
index 224c08671c7..42e96146107 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/CatAllOf.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/CatAllOf.java
@@ -38,7 +38,7 @@ public class CatAllOf {
    * Get declawed
    * @return declawed
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Boolean getDeclawed() {
     return declawed;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Category.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Category.java
index 03efdd4be84..3eccd2cd922 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Category.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Category.java
@@ -41,7 +41,7 @@ public class Category {
    * Get id
    * @return id
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Long getId() {
     return id;
@@ -60,7 +60,6 @@ public class Category {
    * Get name
    * @return name
   **/
-
   @ApiModelProperty(required = true, value = "")
   public String getName() {
     return name;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ClassModel.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ClassModel.java
index def421a6709..2aaed27fffd 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ClassModel.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ClassModel.java
@@ -39,7 +39,7 @@ public class ClassModel {
    * Get propertyClass
    * @return propertyClass
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getPropertyClass() {
     return propertyClass;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Client.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Client.java
index c0bd0743e53..458e8129602 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Client.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Client.java
@@ -38,7 +38,7 @@ public class Client {
    * Get client
    * @return client
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getClient() {
     return client;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Dog.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Dog.java
index 6b79c596069..83f5cb0e272 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Dog.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Dog.java
@@ -40,7 +40,7 @@ public class Dog extends Animal {
    * Get breed
    * @return breed
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getBreed() {
     return breed;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/DogAllOf.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/DogAllOf.java
index 1a4496d8f02..d1e1402789f 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/DogAllOf.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/DogAllOf.java
@@ -38,7 +38,7 @@ public class DogAllOf {
    * Get breed
    * @return breed
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getBreed() {
     return breed;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/EnumArrays.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/EnumArrays.java
index fff7f65c726..a3bd1af4725 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/EnumArrays.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/EnumArrays.java
@@ -113,7 +113,7 @@ public class EnumArrays {
    * Get justSymbol
    * @return justSymbol
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public JustSymbolEnum getJustSymbol() {
     return justSymbol;
@@ -140,7 +140,7 @@ public class EnumArrays {
    * Get arrayEnum
    * @return arrayEnum
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<ArrayEnumEnum> getArrayEnum() {
     return arrayEnum;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/EnumTest.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/EnumTest.java
index d4b36798ee6..b365a8a56fe 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/EnumTest.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/EnumTest.java
@@ -195,7 +195,7 @@ public class EnumTest {
    * Get enumString
    * @return enumString
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public EnumStringEnum getEnumString() {
     return enumString;
@@ -214,7 +214,6 @@ public class EnumTest {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
-
   @ApiModelProperty(required = true, value = "")
   public EnumStringRequiredEnum getEnumStringRequired() {
     return enumStringRequired;
@@ -233,7 +232,7 @@ public class EnumTest {
    * Get enumInteger
    * @return enumInteger
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public EnumIntegerEnum getEnumInteger() {
     return enumInteger;
@@ -252,7 +251,7 @@ public class EnumTest {
    * Get enumNumber
    * @return enumNumber
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public EnumNumberEnum getEnumNumber() {
     return enumNumber;
@@ -271,7 +270,7 @@ public class EnumTest {
    * Get outerEnum
    * @return outerEnum
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public OuterEnum getOuterEnum() {
     return outerEnum;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/FileSchemaTestClass.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/FileSchemaTestClass.java
index ebbb0fb9f3b..ad8cf751e11 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/FileSchemaTestClass.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/FileSchemaTestClass.java
@@ -43,7 +43,7 @@ public class FileSchemaTestClass {
    * Get file
    * @return file
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public java.io.File getFile() {
     return file;
@@ -70,7 +70,7 @@ public class FileSchemaTestClass {
    * Get files
    * @return files
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<java.io.File> getFiles() {
     return files;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/FormatTest.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/FormatTest.java
index 518432caff1..8d075e26bad 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/FormatTest.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/FormatTest.java
@@ -81,7 +81,7 @@ public class FormatTest {
    * maximum: 100
    * @return integer
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Integer getInteger() {
     return integer;
@@ -102,7 +102,7 @@ public class FormatTest {
    * maximum: 200
    * @return int32
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Integer getInt32() {
     return int32;
@@ -121,7 +121,7 @@ public class FormatTest {
    * Get int64
    * @return int64
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Long getInt64() {
     return int64;
@@ -142,7 +142,6 @@ public class FormatTest {
    * maximum: 543.2
    * @return number
   **/
-
   @ApiModelProperty(required = true, value = "")
   public BigDecimal getNumber() {
     return number;
@@ -163,7 +162,7 @@ public class FormatTest {
    * maximum: 987.6
    * @return _float
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Float getFloat() {
     return _float;
@@ -184,7 +183,7 @@ public class FormatTest {
    * maximum: 123.4
    * @return _double
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Double getDouble() {
     return _double;
@@ -203,7 +202,7 @@ public class FormatTest {
    * Get string
    * @return string
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getString() {
     return string;
@@ -222,7 +221,6 @@ public class FormatTest {
    * Get _byte
    * @return _byte
   **/
-
   @ApiModelProperty(required = true, value = "")
   public byte[] getByte() {
     return _byte;
@@ -241,7 +239,7 @@ public class FormatTest {
    * Get binary
    * @return binary
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public File getBinary() {
     return binary;
@@ -260,7 +258,6 @@ public class FormatTest {
    * Get date
    * @return date
   **/
-
   @ApiModelProperty(required = true, value = "")
   public LocalDate getDate() {
     return date;
@@ -279,7 +276,7 @@ public class FormatTest {
    * Get dateTime
    * @return dateTime
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public OffsetDateTime getDateTime() {
     return dateTime;
@@ -298,7 +295,7 @@ public class FormatTest {
    * Get uuid
    * @return uuid
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "72f98069-206d-4f12-9f12-3d1e525a8e84", value = "")
   public UUID getUuid() {
     return uuid;
@@ -317,7 +314,6 @@ public class FormatTest {
    * Get password
    * @return password
   **/
-
   @ApiModelProperty(required = true, value = "")
   public String getPassword() {
     return password;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/HasOnlyReadOnly.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/HasOnlyReadOnly.java
index 44159e08e8a..e9453bb6cce 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/HasOnlyReadOnly.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/HasOnlyReadOnly.java
@@ -36,7 +36,7 @@ public class HasOnlyReadOnly {
    * Get bar
    * @return bar
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getBar() {
     return bar;
@@ -46,7 +46,7 @@ public class HasOnlyReadOnly {
    * Get foo
    * @return foo
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getFoo() {
     return foo;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/MapTest.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/MapTest.java
index 2caabbea07b..b0d3e04bb63 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/MapTest.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/MapTest.java
@@ -93,7 +93,7 @@ public class MapTest {
    * Get mapMapOfString
    * @return mapMapOfString
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, Map<String, String>> getMapMapOfString() {
     return mapMapOfString;
@@ -120,7 +120,7 @@ public class MapTest {
    * Get mapOfEnumString
    * @return mapOfEnumString
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, InnerEnum> getMapOfEnumString() {
     return mapOfEnumString;
@@ -147,7 +147,7 @@ public class MapTest {
    * Get directMap
    * @return directMap
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, Boolean> getDirectMap() {
     return directMap;
@@ -174,7 +174,7 @@ public class MapTest {
    * Get indirectMap
    * @return indirectMap
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, Boolean> getIndirectMap() {
     return indirectMap;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/MixedPropertiesAndAdditionalPropertiesClass.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/MixedPropertiesAndAdditionalPropertiesClass.java
index 8d97329c312..fed78a2162f 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/MixedPropertiesAndAdditionalPropertiesClass.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/MixedPropertiesAndAdditionalPropertiesClass.java
@@ -50,7 +50,7 @@ public class MixedPropertiesAndAdditionalPropertiesClass {
    * Get uuid
    * @return uuid
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public UUID getUuid() {
     return uuid;
@@ -69,7 +69,7 @@ public class MixedPropertiesAndAdditionalPropertiesClass {
    * Get dateTime
    * @return dateTime
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public OffsetDateTime getDateTime() {
     return dateTime;
@@ -96,7 +96,7 @@ public class MixedPropertiesAndAdditionalPropertiesClass {
    * Get map
    * @return map
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Map<String, Animal> getMap() {
     return map;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Model200Response.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Model200Response.java
index bd3244dd57d..39fabeeb6da 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Model200Response.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Model200Response.java
@@ -42,7 +42,7 @@ public class Model200Response {
    * Get name
    * @return name
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Integer getName() {
     return name;
@@ -61,7 +61,7 @@ public class Model200Response {
    * Get propertyClass
    * @return propertyClass
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getPropertyClass() {
     return propertyClass;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ModelApiResponse.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ModelApiResponse.java
index ed335cdca17..bb334129511 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ModelApiResponse.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ModelApiResponse.java
@@ -44,7 +44,7 @@ public class ModelApiResponse {
    * Get code
    * @return code
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Integer getCode() {
     return code;
@@ -63,7 +63,7 @@ public class ModelApiResponse {
    * Get type
    * @return type
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getType() {
     return type;
@@ -82,7 +82,7 @@ public class ModelApiResponse {
    * Get message
    * @return message
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getMessage() {
     return message;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ModelReturn.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ModelReturn.java
index 04c0bcd33f4..9aafb13e04d 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ModelReturn.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ModelReturn.java
@@ -39,7 +39,7 @@ public class ModelReturn {
    * Get _return
    * @return _return
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Integer getReturn() {
     return _return;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Name.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Name.java
index af27c6e45fa..9518276dd61 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Name.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Name.java
@@ -48,7 +48,6 @@ public class Name {
    * Get name
    * @return name
   **/
-
   @ApiModelProperty(required = true, value = "")
   public Integer getName() {
     return name;
@@ -62,7 +61,7 @@ public class Name {
    * Get snakeCase
    * @return snakeCase
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Integer getSnakeCase() {
     return snakeCase;
@@ -77,7 +76,7 @@ public class Name {
    * Get property
    * @return property
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getProperty() {
     return property;
@@ -91,7 +90,7 @@ public class Name {
    * Get _123number
    * @return _123number
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Integer get123number() {
     return _123number;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/NumberOnly.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/NumberOnly.java
index 4e29c814cc4..0245e8e2109 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/NumberOnly.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/NumberOnly.java
@@ -39,7 +39,7 @@ public class NumberOnly {
    * Get justNumber
    * @return justNumber
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public BigDecimal getJustNumber() {
     return justNumber;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Order.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Order.java
index 1735b41d315..594c76e484d 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Order.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Order.java
@@ -91,7 +91,7 @@ public class Order {
    * Get id
    * @return id
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Long getId() {
     return id;
@@ -110,7 +110,7 @@ public class Order {
    * Get petId
    * @return petId
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Long getPetId() {
     return petId;
@@ -129,7 +129,7 @@ public class Order {
    * Get quantity
    * @return quantity
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Integer getQuantity() {
     return quantity;
@@ -148,7 +148,7 @@ public class Order {
    * Get shipDate
    * @return shipDate
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public OffsetDateTime getShipDate() {
     return shipDate;
@@ -167,7 +167,7 @@ public class Order {
    * Order Status
    * @return status
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "Order Status")
   public StatusEnum getStatus() {
     return status;
@@ -186,7 +186,7 @@ public class Order {
    * Get complete
    * @return complete
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Boolean getComplete() {
     return complete;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/OuterComposite.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/OuterComposite.java
index f6515126a84..c8bd99011c0 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/OuterComposite.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/OuterComposite.java
@@ -45,7 +45,7 @@ public class OuterComposite {
    * Get myNumber
    * @return myNumber
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public BigDecimal getMyNumber() {
     return myNumber;
@@ -64,7 +64,7 @@ public class OuterComposite {
    * Get myString
    * @return myString
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getMyString() {
     return myString;
@@ -83,7 +83,7 @@ public class OuterComposite {
    * Get myBoolean
    * @return myBoolean
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Boolean getMyBoolean() {
     return myBoolean;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Pet.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Pet.java
index ace85c42aae..08f37737561 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Pet.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Pet.java
@@ -94,7 +94,7 @@ public class Pet {
    * Get id
    * @return id
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Long getId() {
     return id;
@@ -113,7 +113,7 @@ public class Pet {
    * Get category
    * @return category
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Category getCategory() {
     return category;
@@ -132,7 +132,6 @@ public class Pet {
    * Get name
    * @return name
   **/
-
   @ApiModelProperty(example = "doggie", required = true, value = "")
   public String getName() {
     return name;
@@ -156,7 +155,6 @@ public class Pet {
    * Get photoUrls
    * @return photoUrls
   **/
-
   @ApiModelProperty(required = true, value = "")
   public List<String> getPhotoUrls() {
     return photoUrls;
@@ -183,7 +181,7 @@ public class Pet {
    * Get tags
    * @return tags
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<Tag> getTags() {
     return tags;
@@ -202,7 +200,7 @@ public class Pet {
    * pet status in the store
    * @return status
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "pet status in the store")
   public StatusEnum getStatus() {
     return status;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ReadOnlyFirst.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ReadOnlyFirst.java
index a2c9e996993..1379ee09ea6 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ReadOnlyFirst.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/ReadOnlyFirst.java
@@ -36,7 +36,7 @@ public class ReadOnlyFirst {
    * Get bar
    * @return bar
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getBar() {
     return bar;
@@ -51,7 +51,7 @@ public class ReadOnlyFirst {
    * Get baz
    * @return baz
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getBaz() {
     return baz;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/SpecialModelName.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/SpecialModelName.java
index a5ddb0b6384..869771afad8 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/SpecialModelName.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/SpecialModelName.java
@@ -38,7 +38,7 @@ public class SpecialModelName {
    * Get $specialPropertyName
    * @return $specialPropertyName
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Long get$SpecialPropertyName() {
     return $specialPropertyName;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Tag.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Tag.java
index 8255ad8298c..4bb498aff43 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Tag.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/Tag.java
@@ -41,7 +41,7 @@ public class Tag {
    * Get id
    * @return id
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Long getId() {
     return id;
@@ -60,7 +60,7 @@ public class Tag {
    * Get name
    * @return name
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getName() {
     return name;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/TypeHolderDefault.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/TypeHolderDefault.java
index 786a681fb32..3c6488d270a 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/TypeHolderDefault.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/TypeHolderDefault.java
@@ -53,7 +53,6 @@ public class TypeHolderDefault {
    * Get stringItem
    * @return stringItem
   **/
-
   @ApiModelProperty(required = true, value = "")
   public String getStringItem() {
     return stringItem;
@@ -72,7 +71,6 @@ public class TypeHolderDefault {
    * Get numberItem
    * @return numberItem
   **/
-
   @ApiModelProperty(required = true, value = "")
   public BigDecimal getNumberItem() {
     return numberItem;
@@ -91,7 +89,6 @@ public class TypeHolderDefault {
    * Get integerItem
    * @return integerItem
   **/
-
   @ApiModelProperty(required = true, value = "")
   public Integer getIntegerItem() {
     return integerItem;
@@ -110,7 +107,6 @@ public class TypeHolderDefault {
    * Get boolItem
    * @return boolItem
   **/
-
   @ApiModelProperty(required = true, value = "")
   public Boolean getBoolItem() {
     return boolItem;
@@ -134,7 +130,6 @@ public class TypeHolderDefault {
    * Get arrayItem
    * @return arrayItem
   **/
-
   @ApiModelProperty(required = true, value = "")
   public List<Integer> getArrayItem() {
     return arrayItem;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/TypeHolderExample.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/TypeHolderExample.java
index 701e4db8439..812b5839aa5 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/TypeHolderExample.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/TypeHolderExample.java
@@ -53,7 +53,6 @@ public class TypeHolderExample {
    * Get stringItem
    * @return stringItem
   **/
-
   @ApiModelProperty(example = "what", required = true, value = "")
   public String getStringItem() {
     return stringItem;
@@ -72,7 +71,6 @@ public class TypeHolderExample {
    * Get numberItem
    * @return numberItem
   **/
-
   @ApiModelProperty(example = "1.234", required = true, value = "")
   public BigDecimal getNumberItem() {
     return numberItem;
@@ -91,7 +89,6 @@ public class TypeHolderExample {
    * Get integerItem
    * @return integerItem
   **/
-
   @ApiModelProperty(example = "-2", required = true, value = "")
   public Integer getIntegerItem() {
     return integerItem;
@@ -110,7 +107,6 @@ public class TypeHolderExample {
    * Get boolItem
    * @return boolItem
   **/
-
   @ApiModelProperty(example = "true", required = true, value = "")
   public Boolean getBoolItem() {
     return boolItem;
@@ -134,7 +130,6 @@ public class TypeHolderExample {
    * Get arrayItem
    * @return arrayItem
   **/
-
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
   public List<Integer> getArrayItem() {
     return arrayItem;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/User.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/User.java
index 6e6c4ac1025..73164c3ee28 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/User.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/User.java
@@ -59,7 +59,7 @@ public class User {
    * Get id
    * @return id
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public Long getId() {
     return id;
@@ -78,7 +78,7 @@ public class User {
    * Get username
    * @return username
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getUsername() {
     return username;
@@ -97,7 +97,7 @@ public class User {
    * Get firstName
    * @return firstName
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getFirstName() {
     return firstName;
@@ -116,7 +116,7 @@ public class User {
    * Get lastName
    * @return lastName
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getLastName() {
     return lastName;
@@ -135,7 +135,7 @@ public class User {
    * Get email
    * @return email
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getEmail() {
     return email;
@@ -154,7 +154,7 @@ public class User {
    * Get password
    * @return password
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getPassword() {
     return password;
@@ -173,7 +173,7 @@ public class User {
    * Get phone
    * @return phone
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public String getPhone() {
     return phone;
@@ -192,7 +192,7 @@ public class User {
    * User Status
    * @return userStatus
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "User Status")
   public Integer getUserStatus() {
     return userStatus;
diff --git a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/XmlItem.java b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/XmlItem.java
index 2af459e5aed..aa7ff22ccde 100644
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/XmlItem.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/XmlItem.java
@@ -125,7 +125,7 @@ public class XmlItem {
    * Get attributeString
    * @return attributeString
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "string", value = "")
   public String getAttributeString() {
     return attributeString;
@@ -144,7 +144,7 @@ public class XmlItem {
    * Get attributeNumber
    * @return attributeNumber
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "1.234", value = "")
   public BigDecimal getAttributeNumber() {
     return attributeNumber;
@@ -163,7 +163,7 @@ public class XmlItem {
    * Get attributeInteger
    * @return attributeInteger
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "-2", value = "")
   public Integer getAttributeInteger() {
     return attributeInteger;
@@ -182,7 +182,7 @@ public class XmlItem {
    * Get attributeBoolean
    * @return attributeBoolean
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "true", value = "")
   public Boolean getAttributeBoolean() {
     return attributeBoolean;
@@ -209,7 +209,7 @@ public class XmlItem {
    * Get wrappedArray
    * @return wrappedArray
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<Integer> getWrappedArray() {
     return wrappedArray;
@@ -228,7 +228,7 @@ public class XmlItem {
    * Get nameString
    * @return nameString
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "string", value = "")
   public String getNameString() {
     return nameString;
@@ -247,7 +247,7 @@ public class XmlItem {
    * Get nameNumber
    * @return nameNumber
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "1.234", value = "")
   public BigDecimal getNameNumber() {
     return nameNumber;
@@ -266,7 +266,7 @@ public class XmlItem {
    * Get nameInteger
    * @return nameInteger
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "-2", value = "")
   public Integer getNameInteger() {
     return nameInteger;
@@ -285,7 +285,7 @@ public class XmlItem {
    * Get nameBoolean
    * @return nameBoolean
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "true", value = "")
   public Boolean getNameBoolean() {
     return nameBoolean;
@@ -312,7 +312,7 @@ public class XmlItem {
    * Get nameArray
    * @return nameArray
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<Integer> getNameArray() {
     return nameArray;
@@ -339,7 +339,7 @@ public class XmlItem {
    * Get nameWrappedArray
    * @return nameWrappedArray
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<Integer> getNameWrappedArray() {
     return nameWrappedArray;
@@ -358,7 +358,7 @@ public class XmlItem {
    * Get prefixString
    * @return prefixString
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "string", value = "")
   public String getPrefixString() {
     return prefixString;
@@ -377,7 +377,7 @@ public class XmlItem {
    * Get prefixNumber
    * @return prefixNumber
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "1.234", value = "")
   public BigDecimal getPrefixNumber() {
     return prefixNumber;
@@ -396,7 +396,7 @@ public class XmlItem {
    * Get prefixInteger
    * @return prefixInteger
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "-2", value = "")
   public Integer getPrefixInteger() {
     return prefixInteger;
@@ -415,7 +415,7 @@ public class XmlItem {
    * Get prefixBoolean
    * @return prefixBoolean
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "true", value = "")
   public Boolean getPrefixBoolean() {
     return prefixBoolean;
@@ -442,7 +442,7 @@ public class XmlItem {
    * Get prefixArray
    * @return prefixArray
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<Integer> getPrefixArray() {
     return prefixArray;
@@ -469,7 +469,7 @@ public class XmlItem {
    * Get prefixWrappedArray
    * @return prefixWrappedArray
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<Integer> getPrefixWrappedArray() {
     return prefixWrappedArray;
@@ -488,7 +488,7 @@ public class XmlItem {
    * Get namespaceString
    * @return namespaceString
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "string", value = "")
   public String getNamespaceString() {
     return namespaceString;
@@ -507,7 +507,7 @@ public class XmlItem {
    * Get namespaceNumber
    * @return namespaceNumber
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "1.234", value = "")
   public BigDecimal getNamespaceNumber() {
     return namespaceNumber;
@@ -526,7 +526,7 @@ public class XmlItem {
    * Get namespaceInteger
    * @return namespaceInteger
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "-2", value = "")
   public Integer getNamespaceInteger() {
     return namespaceInteger;
@@ -545,7 +545,7 @@ public class XmlItem {
    * Get namespaceBoolean
    * @return namespaceBoolean
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "true", value = "")
   public Boolean getNamespaceBoolean() {
     return namespaceBoolean;
@@ -572,7 +572,7 @@ public class XmlItem {
    * Get namespaceArray
    * @return namespaceArray
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<Integer> getNamespaceArray() {
     return namespaceArray;
@@ -599,7 +599,7 @@ public class XmlItem {
    * Get namespaceWrappedArray
    * @return namespaceWrappedArray
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<Integer> getNamespaceWrappedArray() {
     return namespaceWrappedArray;
@@ -618,7 +618,7 @@ public class XmlItem {
    * Get prefixNsString
    * @return prefixNsString
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "string", value = "")
   public String getPrefixNsString() {
     return prefixNsString;
@@ -637,7 +637,7 @@ public class XmlItem {
    * Get prefixNsNumber
    * @return prefixNsNumber
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "1.234", value = "")
   public BigDecimal getPrefixNsNumber() {
     return prefixNsNumber;
@@ -656,7 +656,7 @@ public class XmlItem {
    * Get prefixNsInteger
    * @return prefixNsInteger
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "-2", value = "")
   public Integer getPrefixNsInteger() {
     return prefixNsInteger;
@@ -675,7 +675,7 @@ public class XmlItem {
    * Get prefixNsBoolean
    * @return prefixNsBoolean
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(example = "true", value = "")
   public Boolean getPrefixNsBoolean() {
     return prefixNsBoolean;
@@ -702,7 +702,7 @@ public class XmlItem {
    * Get prefixNsArray
    * @return prefixNsArray
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<Integer> getPrefixNsArray() {
     return prefixNsArray;
@@ -729,7 +729,7 @@ public class XmlItem {
    * Get prefixNsWrappedArray
    * @return prefixNsWrappedArray
   **/
-  @javax.annotation.Nullable 
+  @javax.annotation.Nullable
   @ApiModelProperty(value = "")
   public List<Integer> getPrefixNsWrappedArray() {
     return prefixNsWrappedArray;