add java.io.Serial annotations to serialVersionUID fields

.github/workflows/ci-it.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        jdk: [ 11, 17, 21 ]
+        jdk: [ 17, 21 ]
         vault: [ '1.2.0', '1.20.0' ]
         include:
           - jdk: 21

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        jdk: [ 11, 17, 21 ]
+        jdk: [ 17, 21 ]
         include:
           - jdk: 21
             analysis: true

.mvn/wrapper/maven-wrapper.properties

@@ -1,2 +1,2 @@
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.11/apache-maven-3.9.11-bin.zip
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip
 wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.3.2/maven-wrapper-3.3.2.jar

CHANGELOG.md

@@ -1,4 +1,7 @@
-## 1.5.2 (2025-07-16)
+## unreleased
+
+### Breaking
+* Requires Java 17 or later (#100)
 
 ### Dependencies
 * Updated Jackson to 2.19.1 (#101)

README.md

@@ -40,7 +40,7 @@ Java Vault Connector is a connector library for [Vault](https://www.vaultproject
 <dependency>
     <groupId>de.stklcode.jvault</groupId>
     <artifactId>jvault-connector</artifactId>
-    <version>1.5.2</version>
+    <version>1.5.1</version>
 </dependency>
 ```
 

pom.xml

@@ -1,9 +1,10 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>de.stklcode.jvault</groupId>
     <artifactId>jvault-connector</artifactId>
-    <version>1.5.2</version>
+    <version>2.0.0-SNAPSHOT</version>
 
     <packaging>jar</packaging>
 
@@ -32,7 +33,7 @@
         <connection>scm:git:git://github.com/stklcode/jvaultconnector.git</connection>
         <developerConnection>scm:git:git@github.com:stklcode/jvaultconnector.git</developerConnection>
         <url>https://github.com/stklcode/jvaultconnector</url>
-        <tag>v1.5.2</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <issueManagement>
@@ -42,7 +43,6 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.build.outputTimestamp>2025-07-16T16:17:58Z</project.build.outputTimestamp>
         <argLine />
     </properties>
 
@@ -91,7 +91,7 @@
         <dependency>
             <groupId>nl.jqno.equalsverifier</groupId>
             <artifactId>equalsverifier</artifactId>
-            <version>3.19.4</version>
+            <version>4.0.4</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -110,7 +110,7 @@
                     <artifactId>maven-compiler-plugin</artifactId>
                     <version>3.14.0</version>
                     <configuration>
-                        <release>11</release>
+                        <release>17</release>
                     </configuration>
                 </plugin>
                 <plugin>
@@ -130,8 +130,7 @@
                     <configuration>
                         <argLine>
                             @{argLine}
-                            --add-opens
+                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.test=com.fasterxml.jackson.databind
-                            de.stklcode.jvault.connector/de.stklcode.jvault.connector.test=com.fasterxml.jackson.databind
                         </argLine>
                     </configuration>
                 </plugin>
@@ -163,6 +162,13 @@
                         <argLine>
                             @{argLine}
                             --add-opens java.base/java.util=ALL-UNNAMED
+                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector=ALL-UNNAMED
+                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.exception=ALL-UNNAMED
+                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.model=ALL-UNNAMED
+                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.model.response=ALL-UNNAMED
+                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.model.response.embedded=ALL-UNNAMED
+                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.test=com.fasterxml.jackson.databind
+                            --add-opens de.stklcode.jvault.connector/de.stklcode.jvault.connector.test=com.fasterxml.jackson.datatype.jsr310
                         </argLine>
                     </configuration>
                 </plugin>
@@ -188,7 +194,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-enforcer-plugin</artifactId>
-                <version>3.6.1</version>
+                <version>3.5.0</version>
                 <executions>
                     <execution>
                         <id>enforce-versions</id>
@@ -201,7 +207,7 @@
                                     <version>[3.6.3,)</version>
                                 </requireMavenVersion>
                                 <requireJavaVersion>
-                                    <version>[11,)</version>
+                                    <version>[17,)</version>
                                 </requireJavaVersion>
                             </rules>
                         </configuration>
@@ -247,7 +253,7 @@
                         <artifactId>maven-javadoc-plugin</artifactId>
                         <version>3.11.2</version>
                         <configuration>
-                            <source>11</source>
+                            <source>17</source>
                         </configuration>
                         <executions>
                             <execution>
@@ -292,7 +298,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>3.2.8</version>
+                        <version>3.2.7</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>

src/main/java/de/stklcode/jvault/connector/exception/AuthorizationRequiredException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Exception thrown trying to do a request without any authorization handles.
  *
@@ -23,5 +25,6 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.1
  */
 public class AuthorizationRequiredException extends VaultConnectorException {
+    @Serial
     private static final long serialVersionUID = 2629577936657393880L;
 }

src/main/java/de/stklcode/jvault/connector/exception/ConnectionException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Exception thrown on problems with connection to Vault backend.
  *
@@ -23,6 +25,7 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.1
  */
 public class ConnectionException extends VaultConnectorException {
+    @Serial
     private static final long serialVersionUID = 3005430116002990418L;
 
     /**

src/main/java/de/stklcode/jvault/connector/exception/InvalidRequestException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Exception thrown when trying to send malformed request.
  *
@@ -23,6 +25,7 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.1
  */
 public class InvalidRequestException extends VaultConnectorException {
+    @Serial
     private static final long serialVersionUID = -6712239648281809159L;
 
     /**

src/main/java/de/stklcode/jvault/connector/exception/InvalidResponseException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Exception thrown when response from vault returned with erroneous status code or payload could not be parsed
  * to entity class.
@@ -24,6 +26,7 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.1
  */
 public final class InvalidResponseException extends VaultConnectorException {
+    @Serial
     private static final long serialVersionUID = 2003151038614163479L;
 
     private final Integer statusCode;

src/main/java/de/stklcode/jvault/connector/exception/PermissionDeniedException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Exception thrown when trying to access a path the current user/token does not have permission to access.
  *
@@ -23,6 +25,7 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.1
  */
 public class PermissionDeniedException extends VaultConnectorException {
+    @Serial
     private static final long serialVersionUID = -7149134015090750776L;
 
     /**

src/main/java/de/stklcode/jvault/connector/exception/TlsException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Exception thrown on errors with TLS connection.
  *
@@ -23,6 +25,7 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.4.0
  */
 public class TlsException extends VaultConnectorException {
+    @Serial
     private static final long serialVersionUID = -5139276834988258086L;
 
     /**

src/main/java/de/stklcode/jvault/connector/exception/VaultConnectorException.java

@@ -16,6 +16,8 @@
 
 package de.stklcode.jvault.connector.exception;
 
+import java.io.Serial;
+
 /**
  * Abstract Exception class for Vault Connector internal exceptions.
  *
@@ -23,6 +25,7 @@ package de.stklcode.jvault.connector.exception;
  * @since 0.1
  */
 public abstract class VaultConnectorException extends Exception {
+    @Serial
     private static final long serialVersionUID = -2612477894310906036L;
 
     /**

src/main/java/de/stklcode/jvault/connector/model/AppRole.java

@@ -18,6 +18,8 @@ package de.stklcode.jvault.connector.model;
 
 import com.fasterxml.jackson.annotation.*;
 
+import java.io.Serial;
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
@@ -32,6 +34,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AppRole implements Serializable {
+    @Serial
     private static final long serialVersionUID = 1546673231280751679L;
 
     @JsonProperty("role_name")

src/main/java/de/stklcode/jvault/connector/model/AppRoleSecret.java

@@ -18,6 +18,7 @@ package de.stklcode.jvault.connector.model;
 
 import com.fasterxml.jackson.annotation.*;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.List;
 import java.util.Map;
@@ -32,6 +33,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AppRoleSecret implements Serializable {
+    @Serial
     private static final long serialVersionUID = -3401074170145792641L;
 
     @JsonProperty("secret_id")

src/main/java/de/stklcode/jvault/connector/model/Token.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.*;
 
@@ -32,6 +33,7 @@ import java.util.*;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class Token implements Serializable {
+    @Serial
     private static final long serialVersionUID = 7003016071684507115L;
 
     @JsonProperty("id")

src/main/java/de/stklcode/jvault/connector/model/TokenRole.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
@@ -34,6 +35,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class TokenRole implements Serializable {
+    @Serial
     private static final long serialVersionUID = -4856948364869438439L;
 
     @JsonProperty("name")

src/main/java/de/stklcode/jvault/connector/model/response/AppRoleResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.AppRole;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AppRoleResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = -6536422219633829177L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/AppRoleSecretResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.AppRoleSecret;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AppRoleSecretResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = -2484103304072370585L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/AuthMethodsResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.AuthMethod;
 
+import java.io.Serial;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Objects;
@@ -32,6 +33,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AuthMethodsResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = -1802724129533405375L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/AuthResponse.java

@@ -19,6 +19,8 @@ package de.stklcode.jvault.connector.model.response;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import de.stklcode.jvault.connector.model.response.embedded.AuthData;
 
+import java.io.Serial;
+
 /**
  * Vault response for authentication providing auth info in {@link AuthData} field.
  *
@@ -27,5 +29,6 @@ import de.stklcode.jvault.connector.model.response.embedded.AuthData;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AuthResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = 1628851361067456715L;
 }

src/main/java/de/stklcode/jvault/connector/model/response/CredentialsResponse.java

@@ -18,6 +18,8 @@ package de.stklcode.jvault.connector.model.response;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 
+import java.io.Serial;
+
 /**
  * Vault response from credentials lookup. Simple wrapper for data objects containing username and password fields.
  *
@@ -26,6 +28,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class CredentialsResponse extends PlainSecretResponse {
+    @Serial
     private static final long serialVersionUID = -1439692963299045425L;
 
     /**

src/main/java/de/stklcode/jvault/connector/model/response/ErrorResponse.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.util.List;
 import java.util.Objects;
 
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class ErrorResponse implements VaultResponse {
+    @Serial
     private static final long serialVersionUID = -6227368087842549149L;
 
     @JsonProperty("errors")

src/main/java/de/stklcode/jvault/connector/model/response/HealthResponse.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -29,6 +30,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class HealthResponse implements VaultResponse {
+    @Serial
     private static final long serialVersionUID = 8675155916902904516L;
 
     @JsonProperty("cluster_id")

src/main/java/de/stklcode/jvault/connector/model/response/HelpResponse.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -29,6 +30,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class HelpResponse implements VaultResponse {
+    @Serial
     private static final long serialVersionUID = -1152070966642848490L;
 
     @JsonProperty("help")

src/main/java/de/stklcode/jvault/connector/model/response/MetaSecretResponse.java

@@ -21,6 +21,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.SecretWrapper;
 import de.stklcode.jvault.connector.model.response.embedded.VersionMetadata;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Collections;
 import java.util.Map;
@@ -34,6 +35,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class MetaSecretResponse extends SecretResponse {
+    @Serial
     private static final long serialVersionUID = -1076542846391240162L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/MetadataResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.SecretMetadata;
 
+import java.io.Serial;
 import java.util.Objects;
 
 
@@ -31,6 +32,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class MetadataResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = -3679762333630984679L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/PlainSecretResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.VersionMetadata;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Collections;
 import java.util.Map;
@@ -33,6 +34,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class PlainSecretResponse extends SecretResponse {
+    @Serial
     private static final long serialVersionUID = 3010138542437913023L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/RawDataResponse.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Map;
 import java.util.Objects;
@@ -31,6 +32,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class RawDataResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = -319727427792124071L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/SealResponse.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.time.ZonedDateTime;
 import java.util.Objects;
 
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class SealResponse implements VaultResponse {
+    @Serial
     private static final long serialVersionUID = -6000309255473305787L;
 
     @JsonProperty("type")

src/main/java/de/stklcode/jvault/connector/model/response/SecretListResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.SecretListWrapper;
 
+import java.io.Serial;
 import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
@@ -32,8 +33,9 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class SecretListResponse extends VaultDataResponse {
-
+    @Serial
     private static final long serialVersionUID = 8597121175002967213L;
+
     @JsonProperty("data")
     private SecretListWrapper data;
 

src/main/java/de/stklcode/jvault/connector/model/response/SecretResponse.java

@@ -25,6 +25,7 @@ import de.stklcode.jvault.connector.exception.InvalidResponseException;
 import de.stklcode.jvault.connector.model.response.embedded.VersionMetadata;
 
 import java.io.IOException;
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Map;
 
@@ -37,6 +38,7 @@ import java.util.Map;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public abstract class SecretResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = 5198088815871692951L;
 
     /**

src/main/java/de/stklcode/jvault/connector/model/response/SecretVersionResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.VersionMetadata;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SecretVersionResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = 2748635005258576174L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/TokenResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.TokenData;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class TokenResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = -4341114947980033457L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/TokenRoleResponse.java

@@ -21,6 +21,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.TokenRole;
 import de.stklcode.jvault.connector.model.response.embedded.TokenData;
 
+import java.io.Serial;
 import java.util.Objects;
 
 /**
@@ -31,6 +32,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class TokenRoleResponse extends VaultDataResponse {
+    @Serial
     private static final long serialVersionUID = 5265363857731948626L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/TransitResponse.java

@@ -18,6 +18,7 @@ package de.stklcode.jvault.connector.model.response;
 
 import com.fasterxml.jackson.annotation.JsonSetter;
 
+import java.io.Serial;
 import java.util.Map;
 import java.util.Objects;
 
@@ -29,6 +30,7 @@ import java.util.Objects;
  */
 public class TransitResponse extends VaultDataResponse {
 
+    @Serial
     private static final long serialVersionUID = 6873804240772242771L;
 
     private String ciphertext;

src/main/java/de/stklcode/jvault/connector/model/response/VaultDataResponse.java

@@ -20,6 +20,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import de.stklcode.jvault.connector.model.response.embedded.AuthData;
 import de.stklcode.jvault.connector.model.response.embedded.WrapInfo;
 
+import java.io.Serial;
 import java.util.List;
 import java.util.Objects;
 
@@ -30,6 +31,7 @@ import java.util.Objects;
  * @since 0.1
  */
 public abstract class VaultDataResponse implements VaultResponse {
+    @Serial
     private static final long serialVersionUID = 4787715235558510045L;
 
     @JsonProperty("request_id")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/AuthData.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.List;
 import java.util.Map;
@@ -33,6 +34,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AuthData implements Serializable {
+    @Serial
     private static final long serialVersionUID = 5969334512309655317L;
 
     @JsonProperty("client_token")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/AuthMethod.java

@@ -21,6 +21,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonSetter;
 import de.stklcode.jvault.connector.model.AuthBackend;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Map;
 import java.util.Objects;
@@ -34,6 +35,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class AuthMethod implements Serializable {
+    @Serial
     private static final long serialVersionUID = -439987082190917691L;
 
     private AuthBackend type;

src/main/java/de/stklcode/jvault/connector/model/response/embedded/MfaConstraintAny.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.List;
 import java.util.Objects;
@@ -31,6 +32,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class MfaConstraintAny implements Serializable {
+    @Serial
     private static final long serialVersionUID = 1226126781813149627L;
 
     @JsonProperty("any")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/MfaMethodId.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Objects;
 
@@ -30,6 +31,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class MfaMethodId implements Serializable {
+    @Serial
     private static final long serialVersionUID = 691298070242998814L;
 
     @JsonProperty("type")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/MfaRequirement.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Map;
 import java.util.Objects;
@@ -31,6 +32,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class MfaRequirement implements Serializable {
+    @Serial
     private static final long serialVersionUID = -2516941512455319638L;
 
     @JsonProperty("mfa_request_id")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/MountConfig.java

@@ -3,6 +3,8 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.List;
 import java.util.Objects;
@@ -15,6 +17,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class MountConfig implements Serializable {
+    @Serial
     private static final long serialVersionUID = 7241631159224756605L;
 
     @JsonProperty("default_lease_ttl")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/SecretListWrapper.java

@@ -3,6 +3,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.List;
 import java.util.Objects;
@@ -16,7 +17,9 @@ import java.util.Objects;
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SecretListWrapper implements Serializable {
 
+    @Serial
     private static final long serialVersionUID = -8777605197063766125L;
+
     @JsonProperty("keys")
     private List<String> keys;
 

src/main/java/de/stklcode/jvault/connector/model/response/embedded/SecretMetadata.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.time.ZonedDateTime;
 import java.util.HashMap;
@@ -34,6 +35,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class SecretMetadata implements Serializable {
+    @Serial
     private static final long serialVersionUID = -905059942871916214L;
 
     @JsonProperty("created_time")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/SecretWrapper.java

@@ -3,6 +3,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Map;
 import java.util.Objects;
@@ -15,6 +16,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class SecretWrapper implements Serializable {
+    @Serial
     private static final long serialVersionUID = 8600413181758893378L;
 
     @JsonProperty("data")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/TokenData.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.time.ZonedDateTime;
 import java.util.List;
@@ -34,6 +35,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class TokenData implements Serializable {
+    @Serial
     private static final long serialVersionUID = -4168046151053509784L;
 
     @JsonProperty("accessor")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/UserLockoutConfig.java

@@ -3,6 +3,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.util.Objects;
 
@@ -14,6 +15,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public class UserLockoutConfig implements Serializable {
+    @Serial
     private static final long serialVersionUID = -8051060041593140550L;
 
     @JsonProperty("lockout_threshold")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/VersionMetadata.java

@@ -19,6 +19,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.time.ZonedDateTime;
 import java.util.HashMap;
@@ -34,6 +35,7 @@ import java.util.Objects;
  */
 @JsonIgnoreProperties(ignoreUnknown = true)
 public final class VersionMetadata implements Serializable {
+    @Serial
     private static final long serialVersionUID = 8495687554714216478L;
 
     @JsonProperty("created_time")

src/main/java/de/stklcode/jvault/connector/model/response/embedded/WrapInfo.java

@@ -18,6 +18,7 @@ package de.stklcode.jvault.connector.model.response.embedded;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.io.Serial;
 import java.io.Serializable;
 import java.time.ZonedDateTime;
 import java.util.Objects;
@@ -29,6 +30,7 @@ import java.util.Objects;
  * @since 1.1
  */
 public class WrapInfo implements Serializable {
+    @Serial
     private static final long serialVersionUID = 4864973237090355607L;
 
     @JsonProperty("token")