Add workflow to test java apache client with jdk8 (#14437)

* add workflow to test java apache client with jdk8

* fix url encode issue with jdk8

* update samples

* minor improvements in java native client

* minor fix

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/AdditionalPropertiesClass.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -156,7 +156,6 @@ public class AdditionalPropertiesClass {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/AllOfWithSingleRef.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -139,7 +139,6 @@ public class AllOfWithSingleRef {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Animal.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -154,7 +154,6 @@ public class Animal {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnly.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -118,7 +118,6 @@ public class ArrayOfArrayOfNumberOnly {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ArrayOfNumberOnly.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -118,7 +118,6 @@ public class ArrayOfNumberOnly {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ArrayTest.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -196,7 +196,6 @@ public class ArrayTest {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Capitalization.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -262,7 +262,6 @@ public class Capitalization {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Cat.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -120,7 +120,6 @@ public class Cat extends Animal {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/CatAllOf.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -107,7 +107,6 @@ public class CatAllOf {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Category.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -138,7 +138,6 @@ public class Category {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ClassModel.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -107,7 +107,6 @@ public class ClassModel {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Client.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -107,7 +107,6 @@ public class Client {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/DeprecatedObject.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -109,7 +109,6 @@ public class DeprecatedObject {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Dog.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -120,7 +120,6 @@ public class Dog extends Animal {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/DogAllOf.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -107,7 +107,6 @@ public class DogAllOf {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/EnumArrays.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -218,7 +218,6 @@ public class EnumArrays {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/EnumClass.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 
 

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -495,7 +495,6 @@ public class EnumTest {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/FileSchemaTestClass.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -149,7 +149,6 @@ public class FileSchemaTestClass {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Foo.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -107,7 +107,6 @@ public class Foo {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/FooGetDefaultResponse.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -108,7 +108,6 @@ public class FooGetDefaultResponse {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -587,7 +587,6 @@ public class FormatTest {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/HasOnlyReadOnly.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -128,7 +128,6 @@ public class HasOnlyReadOnly {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/HealthCheckResult.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -130,7 +130,6 @@ public class HealthCheckResult {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/MapTest.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -269,7 +269,6 @@ public class MapTest {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/MixedPropertiesAndAdditionalPropertiesClass.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -182,7 +182,6 @@ public class MixedPropertiesAndAdditionalPropertiesClass {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Model200Response.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -138,7 +138,6 @@ public class Model200Response {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ModelApiResponse.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -169,7 +169,6 @@ public class ModelApiResponse {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ModelFile.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -107,7 +107,6 @@ public class ModelFile {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ModelList.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -107,7 +107,6 @@ public class ModelList {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ModelReturn.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -107,7 +107,6 @@ public class ModelReturn {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Name.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -190,7 +190,6 @@ public class Name {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/NullableClass.java

@@ -19,11 +19,11 @@ import com.fasterxml.jackson.annotation.JsonAnyGetter;
 import com.fasterxml.jackson.annotation.JsonAnySetter;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -665,7 +665,6 @@ public class NullableClass extends HashMap<String, Object> {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/NumberOnly.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -108,7 +108,6 @@ public class NumberOnly {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ObjectWithDeprecatedFields.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -218,7 +218,6 @@ public class ObjectWithDeprecatedFields {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Order.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -300,7 +300,6 @@ public class Order {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/OuterComposite.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -170,7 +170,6 @@ public class OuterComposite {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/OuterEnum.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 
 

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/OuterEnumDefaultValue.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 
 

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/OuterEnumInteger.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 
 

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/OuterEnumIntegerDefaultValue.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 
 

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/OuterObjectWithEnumProperty.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -108,7 +108,6 @@ public class OuterObjectWithEnumProperty {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Pet.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -320,7 +320,6 @@ public class Pet {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/ReadOnlyFirst.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -136,7 +136,6 @@ public class ReadOnlyFirst {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/SingleRefType.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 
 

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/SpecialModelName.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -107,7 +107,6 @@ public class SpecialModelName {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/Tag.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -138,7 +138,6 @@ public class Tag {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *

samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/model/User.java

@@ -15,11 +15,11 @@ package org.openapitools.client.model;
 
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.StringJoiner;
 import java.util.Objects;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.StringJoiner;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -324,7 +324,6 @@ public class User {
     return o.toString().replace("\n", "\n    ");
   }
 
-
   /**
    * Convert the instance into URL query string.
    *