[MSHARED-689] - Upgrade parent to 31
diff --git a/pom.xml b/pom.xml
index 6256083..4330de3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.maven.shared</groupId>
     <artifactId>maven-shared-components</artifactId>
-    <version>30</version>
+    <version>31</version>
     <relativePath>../../pom/maven/maven-shared-components</relativePath>
   </parent>
 
diff --git a/src/main/java/org/apache/maven/it/ForkedLauncher.java b/src/main/java/org/apache/maven/it/ForkedLauncher.java
index 3c73951..106fcbf 100644
--- a/src/main/java/org/apache/maven/it/ForkedLauncher.java
+++ b/src/main/java/org/apache/maven/it/ForkedLauncher.java
@@ -52,12 +52,12 @@
 
     private final Map<String, String> envVars;
 
-    public ForkedLauncher( String mavenHome )
+    ForkedLauncher( String mavenHome )
     {
         this( mavenHome, Collections.<String, String>emptyMap(), false );
     }
 
-    public ForkedLauncher( String mavenHome, Map<String, String> envVars, boolean debugJvm )
+    ForkedLauncher( String mavenHome, Map<String, String> envVars, boolean debugJvm )
     {
         this.mavenHome = mavenHome;
         this.envVars = envVars;
diff --git a/src/main/java/org/apache/maven/it/LauncherException.java b/src/main/java/org/apache/maven/it/LauncherException.java
index 76db37e..6b3a19d 100644
--- a/src/main/java/org/apache/maven/it/LauncherException.java
+++ b/src/main/java/org/apache/maven/it/LauncherException.java
@@ -25,13 +25,17 @@
 class LauncherException
     extends Exception
 {
+    /**
+     * 
+     */
+    private static final long serialVersionUID = 1L;
 
-    public LauncherException( String message )
+    LauncherException( String message )
     {
         super( message );
     }
 
-    public LauncherException( String message, Throwable cause )
+    LauncherException( String message, Throwable cause )
     {
         super( message, cause );
     }