diff --git a/maven-embedder/src/main/java/org/apache/maven/cli/logging/BaseSlf4jConfiguration.java b/maven-embedder/src/main/java/org/apache/maven/cli/logging/BaseSlf4jConfiguration.java
index a6961848db..44c79f4e05 100644
--- a/maven-embedder/src/main/java/org/apache/maven/cli/logging/BaseSlf4jConfiguration.java
+++ b/maven-embedder/src/main/java/org/apache/maven/cli/logging/BaseSlf4jConfiguration.java
@@ -26,6 +26,7 @@ import org.slf4j.LoggerFactory;
  * Abstract implementation.
  * 
  * @author Hervé Boutemy
+ * @since 3.1.0
  */
 public class BaseSlf4jConfiguration
     implements Slf4jConfiguration
diff --git a/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jConfiguration.java b/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jConfiguration.java
index ca1034be6c..c7b89009e5 100644
--- a/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jConfiguration.java
+++ b/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jConfiguration.java
@@ -24,6 +24,7 @@ package org.apache.maven.cli.logging;
  * implementation.
  * 
  * @author Hervé Boutemy
+ * @since 3.1.0
  */
 public interface Slf4jConfiguration
 {
diff --git a/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jConfigurationFactory.java b/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jConfigurationFactory.java
index 2442a835f5..f396133def 100644
--- a/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jConfigurationFactory.java
+++ b/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jConfigurationFactory.java
@@ -32,6 +32,7 @@ import org.slf4j.ILoggerFactory;
  * configuration files in class loader.
  *
  * @author Hervé Boutemy
+ * @since 3.1.0
  */
 public class Slf4jConfigurationFactory
 {
diff --git a/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jLogger.java b/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jLogger.java
index fa59a1275a..3f06f371f4 100644
--- a/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jLogger.java
+++ b/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jLogger.java
@@ -26,6 +26,7 @@ import org.codehaus.plexus.logging.Logger;
  * probably not really used.
  * 
  * @author Jason van Zyl
+ * @since 3.1.0
  */
 public class Slf4jLogger
     implements Logger
diff --git a/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jStdoutLogger.java b/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jStdoutLogger.java
index 2b1d782c31..d32ea83668 100644
--- a/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jStdoutLogger.java
+++ b/maven-embedder/src/main/java/org/apache/maven/cli/logging/Slf4jStdoutLogger.java
@@ -24,6 +24,9 @@ import java.io.PrintStream;
 import org.slf4j.Logger;
 import org.slf4j.Marker;
 
+/**
+ * @since 3.1.0
+ */
 public class Slf4jStdoutLogger
     implements Logger
 {
diff --git a/maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/Log4j2Configuration.java b/maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/Log4j2Configuration.java
index 5637b64afd..7bbc29b00c 100644
--- a/maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/Log4j2Configuration.java
+++ b/maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/Log4j2Configuration.java
@@ -25,6 +25,7 @@ import org.apache.maven.cli.logging.BaseSlf4jConfiguration;
  * Configuration for slf4j-log4j2.
  * 
  * @author Hervé Boutemy
+ * @since 3.1.0
  */
 public class Log4j2Configuration
     extends BaseSlf4jConfiguration
diff --git a/maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/LogbackConfiguration.java b/maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/LogbackConfiguration.java
index 256478fd4c..62480f6113 100644
--- a/maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/LogbackConfiguration.java
+++ b/maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/LogbackConfiguration.java
@@ -27,6 +27,7 @@ import org.slf4j.LoggerFactory;
  * Configuration for slf4j-logback.
  * 
  * @author Hervé Boutemy
+ * @since 3.1.0
  */
 public class LogbackConfiguration
     extends BaseSlf4jConfiguration
diff --git a/maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/Slf4jSimpleConfiguration.java b/maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/Slf4jSimpleConfiguration.java
index 94a80a65d0..ce7063fe8f 100644
--- a/maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/Slf4jSimpleConfiguration.java
+++ b/maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/Slf4jSimpleConfiguration.java
@@ -27,6 +27,7 @@ import org.slf4j.impl.MavenSlf4jSimpleFriend;
  * Configuration for slf4j-simple.
  * 
  * @author Hervé Boutemy
+ * @since 3.1.0
  */
 public class Slf4jSimpleConfiguration
     extends BaseSlf4jConfiguration