merging this toward 1.509

core/src/main/java/hudson/security/ACL.java

@@ -134,7 +134,7 @@ public abstract class ACL {
      * Safer variant of {@link #impersonate(Authentication)} that does not require a finally-block.
      * @param auth authentication, such as {@link #SYSTEM}
      * @param body an action to run with this alternate authentication in effect
-     * @since XXX
+     * @since 1.509
      */
     public static void impersonate(Authentication auth, Runnable body) {
         SecurityContext old = impersonate(auth);

core/src/main/java/jenkins/security/NonSerializableSecurityContext.java

@@ -38,7 +38,7 @@ import javax.servlet.http.HttpSession;
  *
  * @author Kohsuke Kawaguchi
  * @see HttpSessionContextIntegrationFilter2
- * @since XXX
+ * @since 1.509
  */
 public class NonSerializableSecurityContext implements SecurityContext {
     private transient Authentication authentication;