[Java] Add @javax.annotation.Nonnull to required getters (#9593)

* Add @javax.annotation.Nonnull to required getters

* Add updated samples

* Consider the nullable constraint

modules/openapi-generator/src/main/resources/Java/libraries/jersey2/pojo.mustache

@@ -200,6 +200,9 @@ public class {{classname}} {{#parent}}extends {{{parent}}} {{/parent}}{{#vendorE
 {{#isNullable}}
   @javax.annotation.Nullable
 {{/isNullable}}
+{{^isNullable}}
+  @javax.annotation.Nonnull
+{{/isNullable}}
 {{/required}}
 {{^required}}
   @javax.annotation.Nullable

modules/openapi-generator/src/main/resources/Java/libraries/native/pojo.mustache

@@ -203,6 +203,9 @@ public class {{classname}} {{#parent}}extends {{{parent}}} {{/parent}}{{#vendorE
 {{#isNullable}}
   @javax.annotation.Nullable
 {{/isNullable}}
+{{^isNullable}}
+  @javax.annotation.Nonnull
+{{/isNullable}}
 {{/required}}
 {{^required}}
   @javax.annotation.Nullable

modules/openapi-generator/src/main/resources/Java/pojo.mustache

@@ -183,6 +183,9 @@ public class {{classname}} {{#parent}}extends {{{parent}}} {{/parent}}{{#vendorE
 {{#isNullable}}
   @javax.annotation.Nullable
 {{/isNullable}}
+{{^isNullable}}
+  @javax.annotation.Nonnull
+{{/isNullable}}
 {{/required}}
 {{^required}}
   @javax.annotation.Nullable

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Animal.java

@@ -64,6 +64,7 @@ public class Animal {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_CLASS_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Category.java

@@ -79,6 +79,7 @@ public class Category {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -236,6 +236,7 @@ public class EnumTest {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ENUM_STRING_REQUIRED)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -192,6 +192,7 @@ public class FormatTest {
    * maximum: 543.2
    * @return number
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -303,6 +304,7 @@ public class FormatTest {
    * Get _byte
    * @return _byte
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BYTE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -356,6 +358,7 @@ public class FormatTest {
    * Get date
    * @return date
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_DATE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -436,6 +439,7 @@ public class FormatTest {
    * Get password
    * @return password
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PASSWORD)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Name.java

@@ -61,6 +61,7 @@ public class Name {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/Pet.java

@@ -165,6 +165,7 @@ public class Pet {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "doggie", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -196,6 +197,7 @@ public class Pet {
    * Get photoUrls
    * @return photoUrls
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PHOTO_URLS)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/TypeHolderDefault.java

@@ -67,6 +67,7 @@ public class TypeHolderDefault {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -93,6 +94,7 @@ public class TypeHolderDefault {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -119,6 +121,7 @@ public class TypeHolderDefault {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -145,6 +148,7 @@ public class TypeHolderDefault {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -176,6 +180,7 @@ public class TypeHolderDefault {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign-no-nullable/src/main/java/org/openapitools/client/model/TypeHolderExample.java

@@ -71,6 +71,7 @@ public class TypeHolderExample {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "what", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -97,6 +98,7 @@ public class TypeHolderExample {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -123,6 +125,7 @@ public class TypeHolderExample {
    * Get floatItem
    * @return floatItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_FLOAT_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -149,6 +152,7 @@ public class TypeHolderExample {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "-2", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -175,6 +179,7 @@ public class TypeHolderExample {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "true", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -206,6 +211,7 @@ public class TypeHolderExample {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/model/Animal.java

@@ -63,6 +63,7 @@ public class Animal {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_CLASS_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/model/Category.java

@@ -78,6 +78,7 @@ public class Category {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -235,6 +235,7 @@ public class EnumTest {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ENUM_STRING_REQUIRED)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -191,6 +191,7 @@ public class FormatTest {
    * maximum: 543.2
    * @return number
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -302,6 +303,7 @@ public class FormatTest {
    * Get _byte
    * @return _byte
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BYTE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -355,6 +357,7 @@ public class FormatTest {
    * Get date
    * @return date
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_DATE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -435,6 +438,7 @@ public class FormatTest {
    * Get password
    * @return password
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PASSWORD)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/model/Name.java

@@ -60,6 +60,7 @@ public class Name {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/model/Pet.java

@@ -164,6 +164,7 @@ public class Pet {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "doggie", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -195,6 +196,7 @@ public class Pet {
    * Get photoUrls
    * @return photoUrls
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PHOTO_URLS)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/model/TypeHolderDefault.java

@@ -66,6 +66,7 @@ public class TypeHolderDefault {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -92,6 +93,7 @@ public class TypeHolderDefault {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -118,6 +120,7 @@ public class TypeHolderDefault {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -144,6 +147,7 @@ public class TypeHolderDefault {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -175,6 +179,7 @@ public class TypeHolderDefault {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/model/TypeHolderExample.java

@@ -70,6 +70,7 @@ public class TypeHolderExample {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "what", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -96,6 +97,7 @@ public class TypeHolderExample {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -122,6 +124,7 @@ public class TypeHolderExample {
    * Get floatItem
    * @return floatItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_FLOAT_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -148,6 +151,7 @@ public class TypeHolderExample {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "-2", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -174,6 +178,7 @@ public class TypeHolderExample {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "true", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -205,6 +210,7 @@ public class TypeHolderExample {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -63,6 +63,7 @@ public class Animal {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_CLASS_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -78,6 +78,7 @@ public class Category {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -235,6 +235,7 @@ public class EnumTest {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ENUM_STRING_REQUIRED)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -191,6 +191,7 @@ public class FormatTest {
    * maximum: 543.2
    * @return number
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -302,6 +303,7 @@ public class FormatTest {
    * Get _byte
    * @return _byte
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BYTE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -355,6 +357,7 @@ public class FormatTest {
    * Get date
    * @return date
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_DATE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -435,6 +438,7 @@ public class FormatTest {
    * Get password
    * @return password
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PASSWORD)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -60,6 +60,7 @@ public class Name {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -164,6 +164,7 @@ public class Pet {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "doggie", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -195,6 +196,7 @@ public class Pet {
    * Get photoUrls
    * @return photoUrls
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PHOTO_URLS)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -66,6 +66,7 @@ public class TypeHolderDefault {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -92,6 +93,7 @@ public class TypeHolderDefault {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -118,6 +120,7 @@ public class TypeHolderDefault {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -144,6 +147,7 @@ public class TypeHolderDefault {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -175,6 +179,7 @@ public class TypeHolderDefault {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -70,6 +70,7 @@ public class TypeHolderExample {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "what", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -96,6 +97,7 @@ public class TypeHolderExample {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -122,6 +124,7 @@ public class TypeHolderExample {
    * Get floatItem
    * @return floatItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_FLOAT_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -148,6 +151,7 @@ public class TypeHolderExample {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "-2", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -174,6 +178,7 @@ public class TypeHolderExample {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "true", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -205,6 +210,7 @@ public class TypeHolderExample {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey1/src/main/java/org/openapitools/client/model/Animal.java

@@ -63,6 +63,7 @@ public class Animal {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_CLASS_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey1/src/main/java/org/openapitools/client/model/Category.java

@@ -78,6 +78,7 @@ public class Category {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey1/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -235,6 +235,7 @@ public class EnumTest {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ENUM_STRING_REQUIRED)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey1/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -191,6 +191,7 @@ public class FormatTest {
    * maximum: 543.2
    * @return number
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -302,6 +303,7 @@ public class FormatTest {
    * Get _byte
    * @return _byte
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BYTE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -355,6 +357,7 @@ public class FormatTest {
    * Get date
    * @return date
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_DATE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -435,6 +438,7 @@ public class FormatTest {
    * Get password
    * @return password
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PASSWORD)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey1/src/main/java/org/openapitools/client/model/Name.java

@@ -60,6 +60,7 @@ public class Name {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey1/src/main/java/org/openapitools/client/model/Pet.java

@@ -164,6 +164,7 @@ public class Pet {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "doggie", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -195,6 +196,7 @@ public class Pet {
    * Get photoUrls
    * @return photoUrls
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PHOTO_URLS)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey1/src/main/java/org/openapitools/client/model/TypeHolderDefault.java

@@ -66,6 +66,7 @@ public class TypeHolderDefault {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -92,6 +93,7 @@ public class TypeHolderDefault {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -118,6 +120,7 @@ public class TypeHolderDefault {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -144,6 +147,7 @@ public class TypeHolderDefault {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -175,6 +179,7 @@ public class TypeHolderDefault {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey1/src/main/java/org/openapitools/client/model/TypeHolderExample.java

@@ -70,6 +70,7 @@ public class TypeHolderExample {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "what", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -96,6 +97,7 @@ public class TypeHolderExample {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -122,6 +124,7 @@ public class TypeHolderExample {
    * Get floatItem
    * @return floatItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_FLOAT_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -148,6 +151,7 @@ public class TypeHolderExample {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "-2", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -174,6 +178,7 @@ public class TypeHolderExample {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "true", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -205,6 +210,7 @@ public class TypeHolderExample {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8-localdatetime/src/main/java/org/openapitools/client/model/Animal.java

@@ -65,6 +65,7 @@ public class Animal {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_CLASS_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8-localdatetime/src/main/java/org/openapitools/client/model/Category.java

@@ -79,6 +79,7 @@ public class Category {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8-localdatetime/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -236,6 +236,7 @@ public class EnumTest {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ENUM_STRING_REQUIRED)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8-localdatetime/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -190,6 +190,7 @@ public class FormatTest {
    * maximum: 543.2
    * @return number
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -297,6 +298,7 @@ public class FormatTest {
    * Get _byte
    * @return _byte
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BYTE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -348,6 +350,7 @@ public class FormatTest {
    * Get date
    * @return date
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_DATE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -425,6 +428,7 @@ public class FormatTest {
    * Get password
    * @return password
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PASSWORD)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8-localdatetime/src/main/java/org/openapitools/client/model/Name.java

@@ -62,6 +62,7 @@ public class Name {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8-localdatetime/src/main/java/org/openapitools/client/model/Pet.java

@@ -164,6 +164,7 @@ public class Pet {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "doggie", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -194,6 +195,7 @@ public class Pet {
    * Get photoUrls
    * @return photoUrls
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PHOTO_URLS)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8-localdatetime/src/main/java/org/openapitools/client/model/TypeHolderDefault.java

@@ -68,6 +68,7 @@ public class TypeHolderDefault {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -93,6 +94,7 @@ public class TypeHolderDefault {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -118,6 +120,7 @@ public class TypeHolderDefault {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -143,6 +146,7 @@ public class TypeHolderDefault {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -173,6 +177,7 @@ public class TypeHolderDefault {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8-localdatetime/src/main/java/org/openapitools/client/model/TypeHolderExample.java

@@ -72,6 +72,7 @@ public class TypeHolderExample {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "what", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -97,6 +98,7 @@ public class TypeHolderExample {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -122,6 +124,7 @@ public class TypeHolderExample {
    * Get floatItem
    * @return floatItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_FLOAT_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -147,6 +150,7 @@ public class TypeHolderExample {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "-2", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -172,6 +176,7 @@ public class TypeHolderExample {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "true", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -202,6 +207,7 @@ public class TypeHolderExample {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/model/Animal.java

@@ -65,6 +65,7 @@ public class Animal {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_CLASS_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/model/Category.java

@@ -79,6 +79,7 @@ public class Category {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -236,6 +236,7 @@ public class EnumTest {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ENUM_STRING_REQUIRED)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -190,6 +190,7 @@ public class FormatTest {
    * maximum: 543.2
    * @return number
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -297,6 +298,7 @@ public class FormatTest {
    * Get _byte
    * @return _byte
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BYTE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -348,6 +350,7 @@ public class FormatTest {
    * Get date
    * @return date
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_DATE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -425,6 +428,7 @@ public class FormatTest {
    * Get password
    * @return password
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PASSWORD)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/model/Name.java

@@ -62,6 +62,7 @@ public class Name {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/model/Pet.java

@@ -164,6 +164,7 @@ public class Pet {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "doggie", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -194,6 +195,7 @@ public class Pet {
    * Get photoUrls
    * @return photoUrls
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PHOTO_URLS)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/model/TypeHolderDefault.java

@@ -68,6 +68,7 @@ public class TypeHolderDefault {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -93,6 +94,7 @@ public class TypeHolderDefault {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -118,6 +120,7 @@ public class TypeHolderDefault {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -143,6 +146,7 @@ public class TypeHolderDefault {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -173,6 +177,7 @@ public class TypeHolderDefault {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/model/TypeHolderExample.java

@@ -72,6 +72,7 @@ public class TypeHolderExample {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "what", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -97,6 +98,7 @@ public class TypeHolderExample {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -122,6 +124,7 @@ public class TypeHolderExample {
    * Get floatItem
    * @return floatItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_FLOAT_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -147,6 +150,7 @@ public class TypeHolderExample {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "-2", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -172,6 +176,7 @@ public class TypeHolderExample {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "true", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -202,6 +207,7 @@ public class TypeHolderExample {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -65,6 +65,7 @@ public class Animal {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_CLASS_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -78,6 +78,7 @@ public class Category {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -235,6 +235,7 @@ public class EnumTest {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ENUM_STRING_REQUIRED)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -189,6 +189,7 @@ public class FormatTest {
    * maximum: 543.2
    * @return number
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -296,6 +297,7 @@ public class FormatTest {
    * Get _byte
    * @return _byte
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BYTE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -347,6 +349,7 @@ public class FormatTest {
    * Get date
    * @return date
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_DATE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -424,6 +427,7 @@ public class FormatTest {
    * Get password
    * @return password
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PASSWORD)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -61,6 +61,7 @@ public class Name {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -163,6 +163,7 @@ public class Pet {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "doggie", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -193,6 +194,7 @@ public class Pet {
    * Get photoUrls
    * @return photoUrls
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PHOTO_URLS)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -67,6 +67,7 @@ public class TypeHolderDefault {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -92,6 +93,7 @@ public class TypeHolderDefault {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -117,6 +119,7 @@ public class TypeHolderDefault {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -142,6 +145,7 @@ public class TypeHolderDefault {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -172,6 +176,7 @@ public class TypeHolderDefault {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -71,6 +71,7 @@ public class TypeHolderExample {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "what", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -96,6 +97,7 @@ public class TypeHolderExample {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -121,6 +123,7 @@ public class TypeHolderExample {
    * Get floatItem
    * @return floatItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_FLOAT_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -146,6 +149,7 @@ public class TypeHolderExample {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "-2", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -171,6 +175,7 @@ public class TypeHolderExample {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "true", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -201,6 +206,7 @@ public class TypeHolderExample {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -65,6 +65,7 @@ public class Animal {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_CLASS_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -78,6 +78,7 @@ public class Category {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -235,6 +235,7 @@ public class EnumTest {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ENUM_STRING_REQUIRED)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -189,6 +189,7 @@ public class FormatTest {
    * maximum: 543.2
    * @return number
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -296,6 +297,7 @@ public class FormatTest {
    * Get _byte
    * @return _byte
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BYTE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -347,6 +349,7 @@ public class FormatTest {
    * Get date
    * @return date
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_DATE)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -424,6 +427,7 @@ public class FormatTest {
    * Get password
    * @return password
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PASSWORD)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -61,6 +61,7 @@ public class Name {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

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

@@ -163,6 +163,7 @@ public class Pet {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "doggie", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -193,6 +194,7 @@ public class Pet {
    * Get photoUrls
    * @return photoUrls
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PHOTO_URLS)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/TypeHolderDefault.java

@@ -67,6 +67,7 @@ public class TypeHolderDefault {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -92,6 +93,7 @@ public class TypeHolderDefault {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -117,6 +119,7 @@ public class TypeHolderDefault {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -142,6 +145,7 @@ public class TypeHolderDefault {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -172,6 +176,7 @@ public class TypeHolderDefault {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/native/src/main/java/org/openapitools/client/model/TypeHolderExample.java

@@ -71,6 +71,7 @@ public class TypeHolderExample {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "what", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -96,6 +97,7 @@ public class TypeHolderExample {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NUMBER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -121,6 +123,7 @@ public class TypeHolderExample {
    * Get floatItem
    * @return floatItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_FLOAT_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -146,6 +149,7 @@ public class TypeHolderExample {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "-2", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -171,6 +175,7 @@ public class TypeHolderExample {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "true", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)
@@ -201,6 +206,7 @@ public class TypeHolderExample {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)
   @JsonInclude(value = JsonInclude.Include.ALWAYS)

samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/model/Animal.java

@@ -54,6 +54,7 @@ public class Animal {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public String getClassName() {

samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/model/Category.java

@@ -71,6 +71,7 @@ public class Category {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public String getName() {

samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -276,6 +276,7 @@ public class EnumTest {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public EnumStringRequiredEnum getEnumStringRequired() {

samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -176,6 +176,7 @@ public class FormatTest {
    * maximum: 543.2
    * @return number
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public BigDecimal getNumber() {
@@ -271,6 +272,7 @@ public class FormatTest {
    * Get _byte
    * @return _byte
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public byte[] getByte() {
@@ -316,6 +318,7 @@ public class FormatTest {
    * Get date
    * @return date
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public LocalDate getDate() {
@@ -384,6 +387,7 @@ public class FormatTest {
    * Get password
    * @return password
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public String getPassword() {

samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/model/Name.java

@@ -57,6 +57,7 @@ public class Name {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public Integer getName() {

samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/model/Pet.java

@@ -165,6 +165,7 @@ public class Pet {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "doggie", required = true, value = "")
 
   public String getName() {
@@ -192,6 +193,7 @@ public class Pet {
    * Get photoUrls
    * @return photoUrls
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public Set<String> getPhotoUrls() {

samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/model/TypeHolderDefault.java

@@ -63,6 +63,7 @@ public class TypeHolderDefault {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public String getStringItem() {
@@ -85,6 +86,7 @@ public class TypeHolderDefault {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public BigDecimal getNumberItem() {
@@ -107,6 +109,7 @@ public class TypeHolderDefault {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public Integer getIntegerItem() {
@@ -129,6 +132,7 @@ public class TypeHolderDefault {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public Boolean getBoolItem() {
@@ -156,6 +160,7 @@ public class TypeHolderDefault {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public List<Integer> getArrayItem() {

samples/client/petstore/java/okhttp-gson-dynamicOperations/src/main/java/org/openapitools/client/model/TypeHolderExample.java

@@ -67,6 +67,7 @@ public class TypeHolderExample {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "what", required = true, value = "")
 
   public String getStringItem() {
@@ -89,6 +90,7 @@ public class TypeHolderExample {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
 
   public BigDecimal getNumberItem() {
@@ -111,6 +113,7 @@ public class TypeHolderExample {
    * Get floatItem
    * @return floatItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
 
   public Float getFloatItem() {
@@ -133,6 +136,7 @@ public class TypeHolderExample {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "-2", required = true, value = "")
 
   public Integer getIntegerItem() {
@@ -155,6 +159,7 @@ public class TypeHolderExample {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "true", required = true, value = "")
 
   public Boolean getBoolItem() {
@@ -182,6 +187,7 @@ public class TypeHolderExample {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
 
   public List<Integer> getArrayItem() {

samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/model/Animal.java

@@ -56,6 +56,7 @@ public class Animal implements Parcelable {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public String getClassName() {

samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/model/Category.java

@@ -75,6 +75,7 @@ public class Category implements Parcelable {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public String getName() {

samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -280,6 +280,7 @@ public class EnumTest implements Parcelable {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public EnumStringRequiredEnum getEnumStringRequired() {

samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -180,6 +180,7 @@ public class FormatTest implements Parcelable {
    * maximum: 543.2
    * @return number
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public BigDecimal getNumber() {
@@ -275,6 +276,7 @@ public class FormatTest implements Parcelable {
    * Get _byte
    * @return _byte
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public byte[] getByte() {
@@ -320,6 +322,7 @@ public class FormatTest implements Parcelable {
    * Get date
    * @return date
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public LocalDate getDate() {
@@ -388,6 +391,7 @@ public class FormatTest implements Parcelable {
    * Get password
    * @return password
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public String getPassword() {

samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/model/Name.java

@@ -61,6 +61,7 @@ public class Name implements Parcelable {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public Integer getName() {

samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/model/Pet.java

@@ -169,6 +169,7 @@ public class Pet implements Parcelable {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "doggie", required = true, value = "")
 
   public String getName() {
@@ -196,6 +197,7 @@ public class Pet implements Parcelable {
    * Get photoUrls
    * @return photoUrls
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public Set<String> getPhotoUrls() {

samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/model/TypeHolderDefault.java

@@ -67,6 +67,7 @@ public class TypeHolderDefault implements Parcelable {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public String getStringItem() {
@@ -89,6 +90,7 @@ public class TypeHolderDefault implements Parcelable {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public BigDecimal getNumberItem() {
@@ -111,6 +113,7 @@ public class TypeHolderDefault implements Parcelable {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public Integer getIntegerItem() {
@@ -133,6 +136,7 @@ public class TypeHolderDefault implements Parcelable {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public Boolean getBoolItem() {
@@ -160,6 +164,7 @@ public class TypeHolderDefault implements Parcelable {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public List<Integer> getArrayItem() {

samples/client/petstore/java/okhttp-gson-parcelableModel/src/main/java/org/openapitools/client/model/TypeHolderExample.java

@@ -71,6 +71,7 @@ public class TypeHolderExample implements Parcelable {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "what", required = true, value = "")
 
   public String getStringItem() {
@@ -93,6 +94,7 @@ public class TypeHolderExample implements Parcelable {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
 
   public BigDecimal getNumberItem() {
@@ -115,6 +117,7 @@ public class TypeHolderExample implements Parcelable {
    * Get floatItem
    * @return floatItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
 
   public Float getFloatItem() {
@@ -137,6 +140,7 @@ public class TypeHolderExample implements Parcelable {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "-2", required = true, value = "")
 
   public Integer getIntegerItem() {
@@ -159,6 +163,7 @@ public class TypeHolderExample implements Parcelable {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "true", required = true, value = "")
 
   public Boolean getBoolItem() {
@@ -186,6 +191,7 @@ public class TypeHolderExample implements Parcelable {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
 
   public List<Integer> getArrayItem() {

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/model/Animal.java

@@ -54,6 +54,7 @@ public class Animal {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public String getClassName() {

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/model/Category.java

@@ -71,6 +71,7 @@ public class Category {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public String getName() {

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -276,6 +276,7 @@ public class EnumTest {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public EnumStringRequiredEnum getEnumStringRequired() {

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -176,6 +176,7 @@ public class FormatTest {
    * maximum: 543.2
    * @return number
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public BigDecimal getNumber() {
@@ -271,6 +272,7 @@ public class FormatTest {
    * Get _byte
    * @return _byte
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public byte[] getByte() {
@@ -316,6 +318,7 @@ public class FormatTest {
    * Get date
    * @return date
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public LocalDate getDate() {
@@ -384,6 +387,7 @@ public class FormatTest {
    * Get password
    * @return password
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public String getPassword() {

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/model/Name.java

@@ -57,6 +57,7 @@ public class Name {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public Integer getName() {

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/model/Pet.java

@@ -165,6 +165,7 @@ public class Pet {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "doggie", required = true, value = "")
 
   public String getName() {
@@ -192,6 +193,7 @@ public class Pet {
    * Get photoUrls
    * @return photoUrls
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public Set<String> getPhotoUrls() {

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/model/TypeHolderDefault.java

@@ -63,6 +63,7 @@ public class TypeHolderDefault {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public String getStringItem() {
@@ -85,6 +86,7 @@ public class TypeHolderDefault {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public BigDecimal getNumberItem() {
@@ -107,6 +109,7 @@ public class TypeHolderDefault {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public Integer getIntegerItem() {
@@ -129,6 +132,7 @@ public class TypeHolderDefault {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public Boolean getBoolItem() {
@@ -156,6 +160,7 @@ public class TypeHolderDefault {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(required = true, value = "")
 
   public List<Integer> getArrayItem() {

samples/client/petstore/java/okhttp-gson/src/main/java/org/openapitools/client/model/TypeHolderExample.java

@@ -67,6 +67,7 @@ public class TypeHolderExample {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "what", required = true, value = "")
 
   public String getStringItem() {
@@ -89,6 +90,7 @@ public class TypeHolderExample {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
 
   public BigDecimal getNumberItem() {
@@ -111,6 +113,7 @@ public class TypeHolderExample {
    * Get floatItem
    * @return floatItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "1.234", required = true, value = "")
 
   public Float getFloatItem() {
@@ -133,6 +136,7 @@ public class TypeHolderExample {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "-2", required = true, value = "")
 
   public Integer getIntegerItem() {
@@ -155,6 +159,7 @@ public class TypeHolderExample {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "true", required = true, value = "")
 
   public Boolean getBoolItem() {
@@ -182,6 +187,7 @@ public class TypeHolderExample {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
 
   public List<Integer> getArrayItem() {

samples/client/petstore/java/rest-assured-jackson/src/main/java/org/openapitools/client/model/Animal.java

@@ -66,6 +66,7 @@ public class Animal {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_CLASS_NAME)

samples/client/petstore/java/rest-assured-jackson/src/main/java/org/openapitools/client/model/Category.java

@@ -81,6 +81,7 @@ public class Category {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)

samples/client/petstore/java/rest-assured-jackson/src/main/java/org/openapitools/client/model/EnumTest.java

@@ -238,6 +238,7 @@ public class EnumTest {
    * Get enumStringRequired
    * @return enumStringRequired
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ENUM_STRING_REQUIRED)

samples/client/petstore/java/rest-assured-jackson/src/main/java/org/openapitools/client/model/FormatTest.java

@@ -194,6 +194,7 @@ public class FormatTest {
    * maximum: 543.2
    * @return number
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @Valid
  @DecimalMin("32.1") @DecimalMax("543.2")  @ApiModelProperty(required = true, value = "")
@@ -307,6 +308,7 @@ public class FormatTest {
    * Get _byte
    * @return _byte
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BYTE)
@@ -362,6 +364,7 @@ public class FormatTest {
    * Get date
    * @return date
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @Valid
   @ApiModelProperty(required = true, value = "")
@@ -446,6 +449,7 @@ public class FormatTest {
    * Get password
    * @return password
   **/
+  @javax.annotation.Nonnull
   @NotNull
  @Size(min=10,max=64)  @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PASSWORD)

samples/client/petstore/java/rest-assured-jackson/src/main/java/org/openapitools/client/model/Name.java

@@ -63,6 +63,7 @@ public class Name {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)

samples/client/petstore/java/rest-assured-jackson/src/main/java/org/openapitools/client/model/Pet.java

@@ -168,6 +168,7 @@ public class Pet {
    * Get name
    * @return name
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(example = "doggie", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_NAME)
@@ -200,6 +201,7 @@ public class Pet {
    * Get photoUrls
    * @return photoUrls
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_PHOTO_URLS)

samples/client/petstore/java/rest-assured-jackson/src/main/java/org/openapitools/client/model/TypeHolderDefault.java

@@ -69,6 +69,7 @@ public class TypeHolderDefault {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
@@ -96,6 +97,7 @@ public class TypeHolderDefault {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @Valid
   @ApiModelProperty(required = true, value = "")
@@ -124,6 +126,7 @@ public class TypeHolderDefault {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
@@ -151,6 +154,7 @@ public class TypeHolderDefault {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
@@ -183,6 +187,7 @@ public class TypeHolderDefault {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)

samples/client/petstore/java/rest-assured-jackson/src/main/java/org/openapitools/client/model/TypeHolderExample.java

@@ -73,6 +73,7 @@ public class TypeHolderExample {
    * Get stringItem
    * @return stringItem
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(example = "what", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_STRING_ITEM)
@@ -100,6 +101,7 @@ public class TypeHolderExample {
    * Get numberItem
    * @return numberItem
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @Valid
   @ApiModelProperty(example = "1.234", required = true, value = "")
@@ -128,6 +130,7 @@ public class TypeHolderExample {
    * Get floatItem
    * @return floatItem
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(example = "1.234", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_FLOAT_ITEM)
@@ -155,6 +158,7 @@ public class TypeHolderExample {
    * Get integerItem
    * @return integerItem
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(example = "-2", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_INTEGER_ITEM)
@@ -182,6 +186,7 @@ public class TypeHolderExample {
    * Get boolItem
    * @return boolItem
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(example = "true", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_BOOL_ITEM)
@@ -214,6 +219,7 @@ public class TypeHolderExample {
    * Get arrayItem
    * @return arrayItem
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(example = "[0, 1, 2, 3]", required = true, value = "")
   @JsonProperty(JSON_PROPERTY_ARRAY_ITEM)

samples/client/petstore/java/rest-assured/src/main/java/org/openapitools/client/model/Animal.java

@@ -57,6 +57,7 @@ public class Animal {
    * Get className
    * @return className
   **/
+  @javax.annotation.Nonnull
   @NotNull
   @ApiModelProperty(required = true, value = "")