update samples

samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/model/Bird.java

@@ -96,6 +96,7 @@ public class Bird {
     this.color = color;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/model/Category.java

@@ -96,6 +96,7 @@ public class Category {
     this.name = name;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/model/DataQuery.java

@@ -132,6 +132,7 @@ public class DataQuery extends Query {
     this.date = date;
   }
 
+
   @Override
   public DataQuery id(@javax.annotation.Nullable Long id) {
     this.setId(id);

samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/model/DefaultValue.java

@@ -409,6 +409,7 @@ public class DefaultValue {
     this.stringNullable = JsonNullable.<String>of(stringNullable);
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/model/NumberPropertiesOnly.java

@@ -129,6 +129,7 @@ public class NumberPropertiesOnly {
     this._double = _double;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/model/Pet.java

@@ -274,6 +274,7 @@ public class Pet {
     this.status = status;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/model/Query.java

@@ -144,6 +144,7 @@ public class Query {
     this.outcomes = outcomes;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/model/Tag.java

@@ -96,6 +96,7 @@ public class Tag {
     this.name = name;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/model/TestFormObjectMultipartRequestMarker.java

@@ -67,6 +67,7 @@ public class TestFormObjectMultipartRequestMarker {
     this.name = name;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/model/TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter.java

@@ -157,6 +157,7 @@ public class TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter
     this.name = name;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/apache-httpclient/src/main/java/org/openapitools/client/model/TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter.java

@@ -78,6 +78,7 @@ public class TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter {
     this.values = values;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/model/Bird.java

@@ -93,6 +93,7 @@ public class Bird {
     this.color = color;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/model/Category.java

@@ -93,6 +93,7 @@ public class Category {
     this.name = name;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/model/DataQuery.java

@@ -129,6 +129,7 @@ public class DataQuery extends Query {
     this.date = date;
   }
 
+
   @Override
   public DataQuery id(@javax.annotation.Nullable Long id) {
     this.setId(id);

samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/model/DefaultValue.java

@@ -406,6 +406,7 @@ public class DefaultValue {
     this.stringNullable = JsonNullable.<String>of(stringNullable);
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/model/NumberPropertiesOnly.java

@@ -126,6 +126,7 @@ public class NumberPropertiesOnly {
     this._double = _double;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/model/Pet.java

@@ -271,6 +271,7 @@ public class Pet {
     this.status = status;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/model/Query.java

@@ -141,6 +141,7 @@ public class Query {
     this.outcomes = outcomes;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/model/Tag.java

@@ -93,6 +93,7 @@ public class Tag {
     this.name = name;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/model/TestFormObjectMultipartRequestMarker.java

@@ -64,6 +64,7 @@ public class TestFormObjectMultipartRequestMarker {
     this.name = name;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/model/TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter.java

@@ -154,6 +154,7 @@ public class TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter
     this.name = name;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/echo_api/java/resteasy/src/main/java/org/openapitools/client/model/TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter.java

@@ -75,6 +75,7 @@ public class TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter {
     this.values = values;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/AdditionalPropertiesClass.java

@@ -114,6 +114,7 @@ public class AdditionalPropertiesClass {
     this.mapOfMapProperty = mapOfMapProperty;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/AllOfWithSingleRef.java

@@ -97,6 +97,7 @@ public class AllOfWithSingleRef {
     this.singleRefType = singleRefType;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Animal.java

@@ -109,6 +109,7 @@ public class Animal {
     this.color = color;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnly.java

@@ -78,6 +78,7 @@ public class ArrayOfArrayOfNumberOnly {
     this.arrayArrayNumber = arrayArrayNumber;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ArrayOfNumberOnly.java

@@ -78,6 +78,7 @@ public class ArrayOfNumberOnly {
     this.arrayNumber = arrayNumber;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ArrayTest.java

@@ -154,6 +154,7 @@ public class ArrayTest {
     this.arrayArrayOfModel = arrayArrayOfModel;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Capitalization.java

@@ -216,6 +216,7 @@ public class Capitalization {
     this.ATT_NAME = ATT_NAME;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Cat.java

@@ -77,6 +77,7 @@ public class Cat extends Animal {
     this.declawed = declawed;
   }
 
+
   @Override
   public Cat className(@javax.annotation.Nonnull String className) {
     this.setClassName(className);

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Category.java

@@ -96,6 +96,7 @@ public class Category {
     this.name = name;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ChildWithNullable.java

@@ -78,6 +78,7 @@ public class ChildWithNullable extends ParentWithNullable {
     this.otherProperty = otherProperty;
   }
 
+
   @Override
   public ChildWithNullable type(@javax.annotation.Nullable TypeEnum type) {
     this.setType(type);

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ClassModel.java

@@ -66,6 +66,7 @@ public class ClassModel {
     this.propertyClass = propertyClass;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Client.java

@@ -66,6 +66,7 @@ public class Client {
     this.client = client;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/DeprecatedObject.java

@@ -68,6 +68,7 @@ public class DeprecatedObject {
     this.name = name;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Dog.java

@@ -77,6 +77,7 @@ public class Dog extends Animal {
     this.breed = breed;
   }
 
+
   @Override
   public Dog className(@javax.annotation.Nonnull String className) {
     this.setClassName(className);

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/EnumArrays.java

@@ -177,6 +177,7 @@ public class EnumArrays {
     this.arrayEnum = arrayEnum;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -437,6 +437,7 @@ public class EnumTest {
     this.outerEnumIntegerDefaultValue = outerEnumIntegerDefaultValue;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/FakeBigDecimalMap200Response.java

@@ -108,6 +108,7 @@ public class FakeBigDecimalMap200Response {
     this.someMap = someMap;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/FileSchemaTestClass.java

@@ -108,6 +108,7 @@ public class FileSchemaTestClass {
     this.files = files;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Foo.java

@@ -66,6 +66,7 @@ public class Foo {
     this.bar = bar;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/FooGetDefaultResponse.java

@@ -68,6 +68,7 @@ public class FooGetDefaultResponse {
     this.string = string;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -532,6 +532,7 @@ public class FormatTest {
     this.patternWithDigitsAndDelimiter = patternWithDigitsAndDelimiter;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/HasOnlyReadOnly.java

@@ -87,6 +87,7 @@ public class HasOnlyReadOnly {
 
 
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/HealthCheckResult.java

@@ -78,6 +78,7 @@ public class HealthCheckResult {
     this.nullableMessage = JsonNullable.<String>of(nullableMessage);
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/MapTest.java

@@ -225,6 +225,7 @@ public class MapTest {
     this.indirectMap = indirectMap;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/MixedPropertiesAndAdditionalPropertiesClass.java

@@ -139,6 +139,7 @@ public class MixedPropertiesAndAdditionalPropertiesClass {
     this.map = map;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Model200Response.java

@@ -97,6 +97,7 @@ public class Model200Response {
     this.propertyClass = propertyClass;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ModelApiResponse.java

@@ -127,6 +127,7 @@ public class ModelApiResponse {
     this.message = message;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ModelFile.java

@@ -67,6 +67,7 @@ public class ModelFile {
     this.sourceURI = sourceURI;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ModelList.java

@@ -67,6 +67,7 @@ public class ModelList {
     this._123list = _123list;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ModelReturn.java

@@ -67,6 +67,7 @@ public class ModelReturn {
     this._return = _return;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Name.java

@@ -146,6 +146,7 @@ public class Name {
 
 
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/NullableClass.java

@@ -34,6 +34,11 @@ import org.openapitools.jackson.nullable.JsonNullable;
 import java.util.NoSuchElementException;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.annotation.JsonTypeName;
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonFormat;
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
 import java.util.StringJoiner;
@@ -55,6 +60,7 @@ import java.util.StringJoiner;
   NullableClass.JSON_PROPERTY_OBJECT_AND_ITEMS_NULLABLE_PROP,
   NullableClass.JSON_PROPERTY_OBJECT_ITEMS_NULLABLE
 })
+@JsonFormat(shape=JsonFormat.Shape.OBJECT)
 @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.20.0-SNAPSHOT")
 public class NullableClass extends HashMap<String, Object> {
   public static final String JSON_PROPERTY_INTEGER_PROP = "integer_prop";
@@ -553,6 +559,37 @@ public class NullableClass extends HashMap<String, Object> {
     this.objectItemsNullable = objectItemsNullable;
   }
 
+  /**
+   * Set the additional (undeclared) property with the specified name and value.
+   * Creates the property if it does not already exist, otherwise replaces it.
+   * @param key the name of the property
+   * @param value the value of the property
+   * @return self reference
+   */
+  @JsonAnySetter
+  public NullableClass putAdditionalProperty(String key, Object value) {
+    this.put(key, value);
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) properties.
+   * @return the additional (undeclared) properties
+   */
+  @JsonAnyGetter
+  public Map<String, Object> getAdditionalProperties() {
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) property with the specified name.
+   * @param key the name of the property
+   * @return the additional (undeclared) property with the specified name
+   */
+  public Object getAdditionalProperty(String key) {
+    return this.get(key);
+  }
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/NumberOnly.java

@@ -67,6 +67,7 @@ public class NumberOnly {
     this.justNumber = justNumber;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ObjectWithDeprecatedFields.java

@@ -175,6 +175,7 @@ public class ObjectWithDeprecatedFields {
     this.bars = bars;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Order.java

@@ -254,6 +254,7 @@ public class Order {
     this.complete = complete;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/OuterComposite.java

@@ -127,6 +127,7 @@ public class OuterComposite {
     this.myBoolean = myBoolean;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/OuterObjectWithEnumProperty.java

@@ -67,6 +67,7 @@ public class OuterObjectWithEnumProperty {
     this.value = value;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ParentWithNullable.java

@@ -153,6 +153,7 @@ public class ParentWithNullable {
     this.nullableProperty = JsonNullable.<String>of(nullableProperty);
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Pet.java

@@ -278,6 +278,7 @@ public class Pet {
     this.status = status;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/ReadOnlyFirst.java

@@ -95,6 +95,7 @@ public class ReadOnlyFirst {
     this.baz = baz;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/SpecialModelName.java

@@ -67,6 +67,7 @@ public class SpecialModelName {
     this.$specialPropertyName = $specialPropertyName;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/Tag.java

@@ -96,6 +96,7 @@ public class Tag {
     this.name = name;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/TestInlineFreeformAdditionalPropertiesRequest.java

@@ -24,6 +24,11 @@ import java.util.HashMap;
 import java.util.Map;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.annotation.JsonTypeName;
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonFormat;
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
 import java.util.StringJoiner;
@@ -35,6 +40,7 @@ import java.util.StringJoiner;
   TestInlineFreeformAdditionalPropertiesRequest.JSON_PROPERTY_SOME_PROPERTY
 })
 @JsonTypeName("testInlineFreeformAdditionalProperties_request")
+@JsonFormat(shape=JsonFormat.Shape.OBJECT)
 @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.20.0-SNAPSHOT")
 public class TestInlineFreeformAdditionalPropertiesRequest extends HashMap<String, Object> {
   public static final String JSON_PROPERTY_SOME_PROPERTY = "someProperty";
@@ -70,6 +76,37 @@ public class TestInlineFreeformAdditionalPropertiesRequest extends HashMap<Strin
     this.someProperty = someProperty;
   }
 
+  /**
+   * Set the additional (undeclared) property with the specified name and value.
+   * Creates the property if it does not already exist, otherwise replaces it.
+   * @param key the name of the property
+   * @param value the value of the property
+   * @return self reference
+   */
+  @JsonAnySetter
+  public TestInlineFreeformAdditionalPropertiesRequest putAdditionalProperty(String key, Object value) {
+    this.put(key, value);
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) properties.
+   * @return the additional (undeclared) properties
+   */
+  @JsonAnyGetter
+  public Map<String, Object> getAdditionalProperties() {
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) property with the specified name.
+   * @param key the name of the property
+   * @return the additional (undeclared) property with the specified name
+   */
+  public Object getAdditionalProperty(String key) {
+    return this.get(key);
+  }
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/apache-httpclient/src/main/java/org/openapitools/client/model/User.java

@@ -276,6 +276,7 @@ public class User {
     this.userStatus = userStatus;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/AdditionalPropertiesAnyType.java

@@ -24,6 +24,11 @@ import java.util.HashMap;
 import java.util.Map;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.annotation.JsonTypeName;
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonFormat;
 
 /**
  * AdditionalPropertiesAnyType
@@ -31,6 +36,7 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 @JsonPropertyOrder({
   AdditionalPropertiesAnyType.JSON_PROPERTY_NAME
 })
+@JsonFormat(shape=JsonFormat.Shape.OBJECT)
 @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.20.0-SNAPSHOT")
 public class AdditionalPropertiesAnyType extends HashMap<String, Object> {
   public static final String JSON_PROPERTY_NAME = "name";
@@ -66,6 +72,37 @@ public class AdditionalPropertiesAnyType extends HashMap<String, Object> {
     this.name = name;
   }
 
+  /**
+   * Set the additional (undeclared) property with the specified name and value.
+   * Creates the property if it does not already exist, otherwise replaces it.
+   * @param key the name of the property
+   * @param value the value of the property
+   * @return self reference
+   */
+  @JsonAnySetter
+  public AdditionalPropertiesAnyType putAdditionalProperty(String key, Object value) {
+    this.put(key, value);
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) properties.
+   * @return the additional (undeclared) properties
+   */
+  @JsonAnyGetter
+  public Map<String, Object> getAdditionalProperties() {
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) property with the specified name.
+   * @param key the name of the property
+   * @return the additional (undeclared) property with the specified name
+   */
+  public Object getAdditionalProperty(String key) {
+    return this.get(key);
+  }
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/AdditionalPropertiesArray.java

@@ -25,6 +25,11 @@ import java.util.List;
 import java.util.Map;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.annotation.JsonTypeName;
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonFormat;
 
 /**
  * AdditionalPropertiesArray
@@ -32,6 +37,7 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 @JsonPropertyOrder({
   AdditionalPropertiesArray.JSON_PROPERTY_NAME
 })
+@JsonFormat(shape=JsonFormat.Shape.OBJECT)
 @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.20.0-SNAPSHOT")
 public class AdditionalPropertiesArray extends HashMap<String, List> {
   public static final String JSON_PROPERTY_NAME = "name";
@@ -67,6 +73,37 @@ public class AdditionalPropertiesArray extends HashMap<String, List> {
     this.name = name;
   }
 
+  /**
+   * Set the additional (undeclared) property with the specified name and value.
+   * Creates the property if it does not already exist, otherwise replaces it.
+   * @param key the name of the property
+   * @param value the value of the property
+   * @return self reference
+   */
+  @JsonAnySetter
+  public AdditionalPropertiesArray putAdditionalProperty(String key, List value) {
+    this.put(key, value);
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) properties.
+   * @return the additional (undeclared) properties
+   */
+  @JsonAnyGetter
+  public Map<String, List> getAdditionalProperties() {
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) property with the specified name.
+   * @param key the name of the property
+   * @return the additional (undeclared) property with the specified name
+   */
+  public List getAdditionalProperty(String key) {
+    return this.get(key);
+  }
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/AdditionalPropertiesBoolean.java

@@ -24,6 +24,11 @@ import java.util.HashMap;
 import java.util.Map;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.annotation.JsonTypeName;
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonFormat;
 
 /**
  * AdditionalPropertiesBoolean
@@ -31,6 +36,7 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 @JsonPropertyOrder({
   AdditionalPropertiesBoolean.JSON_PROPERTY_NAME
 })
+@JsonFormat(shape=JsonFormat.Shape.OBJECT)
 @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.20.0-SNAPSHOT")
 public class AdditionalPropertiesBoolean extends HashMap<String, Boolean> {
   public static final String JSON_PROPERTY_NAME = "name";
@@ -66,6 +72,37 @@ public class AdditionalPropertiesBoolean extends HashMap<String, Boolean> {
     this.name = name;
   }
 
+  /**
+   * Set the additional (undeclared) property with the specified name and value.
+   * Creates the property if it does not already exist, otherwise replaces it.
+   * @param key the name of the property
+   * @param value the value of the property
+   * @return self reference
+   */
+  @JsonAnySetter
+  public AdditionalPropertiesBoolean putAdditionalProperty(String key, Boolean value) {
+    this.put(key, value);
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) properties.
+   * @return the additional (undeclared) properties
+   */
+  @JsonAnyGetter
+  public Map<String, Boolean> getAdditionalProperties() {
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) property with the specified name.
+   * @param key the name of the property
+   * @return the additional (undeclared) property with the specified name
+   */
+  public Boolean getAdditionalProperty(String key) {
+    return this.get(key);
+  }
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/AdditionalPropertiesClass.java

@@ -431,6 +431,7 @@ public class AdditionalPropertiesClass {
     this.anytype3 = anytype3;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/AdditionalPropertiesInteger.java

@@ -24,6 +24,11 @@ import java.util.HashMap;
 import java.util.Map;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.annotation.JsonTypeName;
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonFormat;
 
 /**
  * AdditionalPropertiesInteger
@@ -31,6 +36,7 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 @JsonPropertyOrder({
   AdditionalPropertiesInteger.JSON_PROPERTY_NAME
 })
+@JsonFormat(shape=JsonFormat.Shape.OBJECT)
 @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.20.0-SNAPSHOT")
 public class AdditionalPropertiesInteger extends HashMap<String, Integer> {
   public static final String JSON_PROPERTY_NAME = "name";
@@ -66,6 +72,37 @@ public class AdditionalPropertiesInteger extends HashMap<String, Integer> {
     this.name = name;
   }
 
+  /**
+   * Set the additional (undeclared) property with the specified name and value.
+   * Creates the property if it does not already exist, otherwise replaces it.
+   * @param key the name of the property
+   * @param value the value of the property
+   * @return self reference
+   */
+  @JsonAnySetter
+  public AdditionalPropertiesInteger putAdditionalProperty(String key, Integer value) {
+    this.put(key, value);
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) properties.
+   * @return the additional (undeclared) properties
+   */
+  @JsonAnyGetter
+  public Map<String, Integer> getAdditionalProperties() {
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) property with the specified name.
+   * @param key the name of the property
+   * @return the additional (undeclared) property with the specified name
+   */
+  public Integer getAdditionalProperty(String key) {
+    return this.get(key);
+  }
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/AdditionalPropertiesNumber.java

@@ -25,6 +25,11 @@ import java.util.HashMap;
 import java.util.Map;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.annotation.JsonTypeName;
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonFormat;
 
 /**
  * AdditionalPropertiesNumber
@@ -32,6 +37,7 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 @JsonPropertyOrder({
   AdditionalPropertiesNumber.JSON_PROPERTY_NAME
 })
+@JsonFormat(shape=JsonFormat.Shape.OBJECT)
 @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.20.0-SNAPSHOT")
 public class AdditionalPropertiesNumber extends HashMap<String, BigDecimal> {
   public static final String JSON_PROPERTY_NAME = "name";
@@ -67,6 +73,37 @@ public class AdditionalPropertiesNumber extends HashMap<String, BigDecimal> {
     this.name = name;
   }
 
+  /**
+   * Set the additional (undeclared) property with the specified name and value.
+   * Creates the property if it does not already exist, otherwise replaces it.
+   * @param key the name of the property
+   * @param value the value of the property
+   * @return self reference
+   */
+  @JsonAnySetter
+  public AdditionalPropertiesNumber putAdditionalProperty(String key, BigDecimal value) {
+    this.put(key, value);
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) properties.
+   * @return the additional (undeclared) properties
+   */
+  @JsonAnyGetter
+  public Map<String, BigDecimal> getAdditionalProperties() {
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) property with the specified name.
+   * @param key the name of the property
+   * @return the additional (undeclared) property with the specified name
+   */
+  public BigDecimal getAdditionalProperty(String key) {
+    return this.get(key);
+  }
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/AdditionalPropertiesObject.java

@@ -24,6 +24,11 @@ import java.util.HashMap;
 import java.util.Map;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.annotation.JsonTypeName;
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonFormat;
 
 /**
  * AdditionalPropertiesObject
@@ -31,6 +36,7 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 @JsonPropertyOrder({
   AdditionalPropertiesObject.JSON_PROPERTY_NAME
 })
+@JsonFormat(shape=JsonFormat.Shape.OBJECT)
 @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.20.0-SNAPSHOT")
 public class AdditionalPropertiesObject extends HashMap<String, Map> {
   public static final String JSON_PROPERTY_NAME = "name";
@@ -66,6 +72,37 @@ public class AdditionalPropertiesObject extends HashMap<String, Map> {
     this.name = name;
   }
 
+  /**
+   * Set the additional (undeclared) property with the specified name and value.
+   * Creates the property if it does not already exist, otherwise replaces it.
+   * @param key the name of the property
+   * @param value the value of the property
+   * @return self reference
+   */
+  @JsonAnySetter
+  public AdditionalPropertiesObject putAdditionalProperty(String key, Map value) {
+    this.put(key, value);
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) properties.
+   * @return the additional (undeclared) properties
+   */
+  @JsonAnyGetter
+  public Map<String, Map> getAdditionalProperties() {
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) property with the specified name.
+   * @param key the name of the property
+   * @return the additional (undeclared) property with the specified name
+   */
+  public Map getAdditionalProperty(String key) {
+    return this.get(key);
+  }
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/AdditionalPropertiesString.java

@@ -24,6 +24,11 @@ import java.util.HashMap;
 import java.util.Map;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.annotation.JsonTypeName;
+import java.util.Map;
+import java.util.HashMap;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonFormat;
 
 /**
  * AdditionalPropertiesString
@@ -31,6 +36,7 @@ import com.fasterxml.jackson.annotation.JsonTypeName;
 @JsonPropertyOrder({
   AdditionalPropertiesString.JSON_PROPERTY_NAME
 })
+@JsonFormat(shape=JsonFormat.Shape.OBJECT)
 @javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.20.0-SNAPSHOT")
 public class AdditionalPropertiesString extends HashMap<String, String> {
   public static final String JSON_PROPERTY_NAME = "name";
@@ -66,6 +72,37 @@ public class AdditionalPropertiesString extends HashMap<String, String> {
     this.name = name;
   }
 
+  /**
+   * Set the additional (undeclared) property with the specified name and value.
+   * Creates the property if it does not already exist, otherwise replaces it.
+   * @param key the name of the property
+   * @param value the value of the property
+   * @return self reference
+   */
+  @JsonAnySetter
+  public AdditionalPropertiesString putAdditionalProperty(String key, String value) {
+    this.put(key, value);
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) properties.
+   * @return the additional (undeclared) properties
+   */
+  @JsonAnyGetter
+  public Map<String, String> getAdditionalProperties() {
+    return this;
+  }
+
+  /**
+   * Return the additional (undeclared) property with the specified name.
+   * @param key the name of the property
+   * @return the additional (undeclared) property with the specified name
+   */
+  public String getAdditionalProperty(String key) {
+    return this.get(key);
+  }
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/Animal.java

@@ -107,6 +107,7 @@ public class Animal {
     this.color = color;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/ArrayOfArrayOfNumberOnly.java

@@ -75,6 +75,7 @@ public class ArrayOfArrayOfNumberOnly {
     this.arrayArrayNumber = arrayArrayNumber;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/ArrayOfNumberOnly.java

@@ -75,6 +75,7 @@ public class ArrayOfNumberOnly {
     this.arrayNumber = arrayNumber;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/ArrayTest.java

@@ -151,6 +151,7 @@ public class ArrayTest {
     this.arrayArrayOfModel = arrayArrayOfModel;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/BigCat.java

@@ -113,6 +113,7 @@ public class BigCat extends Cat {
     this.kind = kind;
   }
 
+
   @Override
   public BigCat className(@javax.annotation.Nonnull String className) {
     this.setClassName(className);

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/Capitalization.java

@@ -213,6 +213,7 @@ public class Capitalization {
     this.ATT_NAME = ATT_NAME;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/Cat.java

@@ -77,6 +77,7 @@ public class Cat extends Animal {
     this.declawed = declawed;
   }
 
+
   @Override
   public Cat className(@javax.annotation.Nonnull String className) {
     this.setClassName(className);

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/Category.java

@@ -93,6 +93,7 @@ public class Category {
     this.name = name;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/ClassModel.java

@@ -63,6 +63,7 @@ public class ClassModel {
     this.propertyClass = propertyClass;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/Client.java

@@ -63,6 +63,7 @@ public class Client {
     this.client = client;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/Dog.java

@@ -74,6 +74,7 @@ public class Dog extends Animal {
     this.breed = breed;
   }
 
+
   @Override
   public Dog className(@javax.annotation.Nonnull String className) {
     this.setClassName(className);

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/EnumArrays.java

@@ -174,6 +174,7 @@ public class EnumArrays {
     this.arrayEnum = arrayEnum;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -329,6 +329,7 @@ public class EnumTest {
     this.outerEnum = outerEnum;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/FileSchemaTestClass.java

@@ -105,6 +105,7 @@ public class FileSchemaTestClass {
     this.files = files;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -469,6 +469,7 @@ public class FormatTest {
     this.bigDecimal = bigDecimal;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/HasOnlyReadOnly.java

@@ -84,6 +84,7 @@ public class HasOnlyReadOnly {
 
 
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/MapTest.java

@@ -222,6 +222,7 @@ public class MapTest {
     this.indirectMap = indirectMap;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/MixedPropertiesAndAdditionalPropertiesClass.java

@@ -136,6 +136,7 @@ public class MixedPropertiesAndAdditionalPropertiesClass {
     this.map = map;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/Model200Response.java

@@ -94,6 +94,7 @@ public class Model200Response {
     this.propertyClass = propertyClass;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/ModelApiResponse.java

@@ -124,6 +124,7 @@ public class ModelApiResponse {
     this.message = message;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/ModelFile.java

@@ -64,6 +64,7 @@ public class ModelFile {
     this.sourceURI = sourceURI;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/ModelList.java

@@ -64,6 +64,7 @@ public class ModelList {
     this._123list = _123list;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/ModelReturn.java

@@ -64,6 +64,7 @@ public class ModelReturn {
     this._return = _return;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/Name.java

@@ -143,6 +143,7 @@ public class Name {
 
 
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/NumberOnly.java

@@ -64,6 +64,7 @@ public class NumberOnly {
     this.justNumber = justNumber;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {

samples/client/petstore/java/google-api-client/src/main/java/org/openapitools/client/model/Order.java

@@ -251,6 +251,7 @@ public class Order {
     this.complete = complete;
   }
 
+
   @Override
   public boolean equals(Object o) {
     if (this == o) {