diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/AdditionalPropertiesClass.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/AdditionalPropertiesClass.java
index 556e9e1d61a4..b19a90cbc3fe 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/AdditionalPropertiesClass.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/AdditionalPropertiesClass.java
@@ -81,7 +81,7 @@ public class AdditionalPropertiesClass  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Animal.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Animal.java
index 08ed35359475..36c52fa27aa8 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Animal.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Animal.java
@@ -71,7 +71,7 @@ public class Animal  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/AnimalFarm.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/AnimalFarm.java
index 93ad619c46cb..b9ceb0100544 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/AnimalFarm.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/AnimalFarm.java
@@ -31,7 +31,7 @@ public class AnimalFarm extends ArrayList<Animal> {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ArrayOfArrayOfNumberOnly.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ArrayOfArrayOfNumberOnly.java
index 681f477f8e82..4d994a64f4c9 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ArrayOfArrayOfNumberOnly.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ArrayOfArrayOfNumberOnly.java
@@ -56,7 +56,7 @@ public class ArrayOfArrayOfNumberOnly  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ArrayOfNumberOnly.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ArrayOfNumberOnly.java
index 8e06ba9fd53d..45348bd5bab3 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ArrayOfNumberOnly.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ArrayOfNumberOnly.java
@@ -56,7 +56,7 @@ public class ArrayOfNumberOnly  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ArrayTest.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ArrayTest.java
index bab67b5f1ace..48a352899b8c 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ArrayTest.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ArrayTest.java
@@ -106,7 +106,7 @@ public class ArrayTest  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Capitalization.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Capitalization.java
index 9c96e900b7fd..2dc50b68a86e 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Capitalization.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Capitalization.java
@@ -148,7 +148,7 @@ public class Capitalization  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Cat.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Cat.java
index 12ff2e0743fc..a44b4c3474e1 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Cat.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Cat.java
@@ -49,7 +49,7 @@ public class Cat extends Animal {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Category.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Category.java
index c4de6207ff93..206fb9626390 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Category.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Category.java
@@ -68,7 +68,7 @@ public class Category  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ClassModel.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ClassModel.java
index d924d8689293..522a5f5c8358 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ClassModel.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ClassModel.java
@@ -50,7 +50,7 @@ public class ClassModel  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Client.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Client.java
index cde45a9e6687..effac40b5322 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Client.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Client.java
@@ -48,7 +48,7 @@ public class Client  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Dog.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Dog.java
index 79f363fd80eb..c33b9754f292 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Dog.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Dog.java
@@ -49,7 +49,7 @@ public class Dog extends Animal {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/EnumArrays.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/EnumArrays.java
index 31adcdc2086a..1f72d296c0f1 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/EnumArrays.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/EnumArrays.java
@@ -141,7 +141,7 @@ public enum ArrayEnumEnum {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/EnumTest.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/EnumTest.java
index b6e382ed1f64..550742ed624d 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/EnumTest.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/EnumTest.java
@@ -208,7 +208,7 @@ public enum EnumNumberEnum {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/FormatTest.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/FormatTest.java
index d544cfa112f7..01bfba5b8144 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/FormatTest.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/FormatTest.java
@@ -317,7 +317,7 @@ public class FormatTest  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/HasOnlyReadOnly.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/HasOnlyReadOnly.java
index 8acb48cf2cb1..e775fe7aab32 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/HasOnlyReadOnly.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/HasOnlyReadOnly.java
@@ -52,7 +52,7 @@ public class HasOnlyReadOnly  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/MapTest.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/MapTest.java
index 3c1e80e9d836..f851274f064c 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/MapTest.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/MapTest.java
@@ -114,7 +114,7 @@ public enum InnerEnum {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/MixedPropertiesAndAdditionalPropertiesClass.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/MixedPropertiesAndAdditionalPropertiesClass.java
index 2dcc59c48030..e22fda798030 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/MixedPropertiesAndAdditionalPropertiesClass.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/MixedPropertiesAndAdditionalPropertiesClass.java
@@ -98,7 +98,7 @@ public class MixedPropertiesAndAdditionalPropertiesClass  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Model200Response.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Model200Response.java
index 4a2183a1ca6c..5d7bf7f6a12f 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Model200Response.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Model200Response.java
@@ -70,7 +70,7 @@ public class Model200Response  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ModelApiResponse.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ModelApiResponse.java
index e25bfd0dbdf8..ddf2aa0b5a5a 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ModelApiResponse.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ModelApiResponse.java
@@ -88,7 +88,7 @@ public class ModelApiResponse  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ModelReturn.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ModelReturn.java
index cf9cb2cc74d1..f1fd55b763b8 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ModelReturn.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ModelReturn.java
@@ -50,7 +50,7 @@ public class ModelReturn  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Name.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Name.java
index 90deb77334d3..1365022268b3 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Name.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Name.java
@@ -95,7 +95,7 @@ public class Name  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/NumberOnly.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/NumberOnly.java
index 219cf8612ff5..203830ffd013 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/NumberOnly.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/NumberOnly.java
@@ -49,7 +49,7 @@ public class NumberOnly  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Order.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Order.java
index 4a7622e79487..83e24c1ffe95 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Order.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Order.java
@@ -181,7 +181,7 @@ public enum StatusEnum {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Pet.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Pet.java
index 3046295eeafe..41c96154a4b0 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Pet.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Pet.java
@@ -197,7 +197,7 @@ public enum StatusEnum {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ReadOnlyFirst.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ReadOnlyFirst.java
index f870573ac4de..769ab0a7c481 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ReadOnlyFirst.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/ReadOnlyFirst.java
@@ -60,7 +60,7 @@ public class ReadOnlyFirst  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/SpecialModelName.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/SpecialModelName.java
index b3decaa2221b..a4b52b3bfe2f 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/SpecialModelName.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/SpecialModelName.java
@@ -48,7 +48,7 @@ public class SpecialModelName  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Tag.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Tag.java
index 9a2ffa38409c..de1cd1543997 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Tag.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/Tag.java
@@ -68,7 +68,7 @@ public class Tag  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }
diff --git a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/User.java b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/User.java
index e25dba5282e0..9c4b9d9ae7dc 100644
--- a/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/User.java
+++ b/samples/server/petstore/jaxrs-cxf/src/gen/java/io/swagger/model/User.java
@@ -188,7 +188,7 @@ public class User  {
    * Convert the given object to string with each line indented by 4 spaces
    * (except the first line).
    */
-  private static String toIndentedString(Object o) {
+  private static String toIndentedString(java.lang.Object o) {
     if (o == null) {
       return "null";
     }