Fill in todo annotations (#7848)

core/src/main/java/hudson/model/queue/SubTask.java

@@ -98,7 +98,7 @@ public interface SubTask extends ResourceActivity {
      * If this task is associated with an executable of {@link #getOwnerTask}, finds that.
      * @return by default, {@code null}
      * @see hudson.model.Queue.Executable#getParentExecutable
-     * @since TODO
+     * @since 2.389
      */
     default @CheckForNull Queue.Executable getOwnerExecutable() {
         return null;

core/src/main/java/jenkins/model/experimentalflags/BooleanUserExperimentalFlag.java

@@ -27,7 +27,7 @@ package jenkins.model.experimentalflags;
 import edu.umd.cs.findbugs.annotations.NonNull;
 
 /**
- * @since TODO
+ * @since 2.395
  */
 public abstract class BooleanUserExperimentalFlag extends UserExperimentalFlag<Boolean> {
     protected BooleanUserExperimentalFlag(@NonNull String flagKey) {

core/src/main/java/jenkins/model/experimentalflags/UserExperimentalFlag.java

@@ -35,7 +35,7 @@ import hudson.model.User;
  * User specific experimental flag to enable or disable specific behavior.
  * As it's user specific, usually this kind of feature flag is only used for UI.
  *
- * @since TODO
+ * @since 2.395
  */
 public abstract class UserExperimentalFlag<T> implements ExtensionPoint {
     private final String flagKey;

core/src/main/java/jenkins/model/experimentalflags/UserExperimentalFlagsProperty.java

@@ -42,7 +42,7 @@ import org.kohsuke.stapler.StaplerRequest;
 /**
  * Per user experimental flags to enable features that still not completely ready to be active by default.
  *
- * @since TODO
+ * @since 2.395
  */
 public class UserExperimentalFlagsProperty extends UserProperty {
     private Map<String, String> flags = new HashMap<>();