Update empty since tags for 8.4 and 8.3.3 (#10786)

client/src/main/java/com/vaadin/client/extensions/AbstractEventTriggerExtensionConnector.java

@@ -29,7 +29,7 @@ import com.vaadin.shared.extension.PartInformationState;
  * limitations. For instance, window may not be open with the round-trip.
  *
  * @author Vaadin Ltd.
- * @since
+ * @since 8.4
  */
 public abstract class AbstractEventTriggerExtensionConnector
         extends AbstractExtensionConnector {

client/src/main/java/com/vaadin/client/extensions/EventTrigger.java

@@ -34,7 +34,7 @@ import com.google.web.bindery.event.shared.HandlerRegistration;
  * {@code com.vaadin.server.EventTrigger} then this interface should be
  * implemented by the {@link Widget} used by the client side connector.
  *
- * @since
+ * @since 8.4
  */
 public interface EventTrigger {
 

client/src/main/java/com/vaadin/client/extensions/FileDownloaderConnector.java

@@ -38,7 +38,7 @@ public class FileDownloaderConnector
     /**
      * Called when the download should start.
      *
-     * @since
+     * @since 8.4
      */
     @Override
     protected void trigger() {

server/src/main/java/com/vaadin/server/BrowserWindowOpener.java

@@ -138,7 +138,7 @@ public class BrowserWindowOpener extends AbstractExtension {
      * @param eventTrigger
      *            the trigger to attach this extension to
      *
-     * @since
+     * @since 8.4
      */
     public void extend(EventTrigger eventTrigger) {
         super.extend(eventTrigger.getConnector());

server/src/main/java/com/vaadin/server/EventTrigger.java

@@ -36,7 +36,7 @@ import com.vaadin.ui.MenuBar;
  * connector on the client side must implement
  * {@code com.vaadin.client.extensions.EventTrigger}.
  *
- * @since
+ * @since 8.4
  */
 public interface EventTrigger extends Serializable {
 

server/src/main/java/com/vaadin/server/FileDownloader.java

@@ -82,7 +82,7 @@ public class FileDownloader extends AbstractExtension {
      * @param eventTrigger
      *            the trigger to attach this extension to
      *
-     * @since
+     * @since 8.4
      */
     public void extend(EventTrigger eventTrigger) {
         super.extend(eventTrigger.getConnector());

server/src/main/java/com/vaadin/ui/MenuBar.java

@@ -230,7 +230,7 @@ implements LegacyComponent, Focusable {
      *            the text for the menu item
      * @throws IllegalArgumentException
      *
-     * @since
+     * @since 8.4
      */
     public MenuBar.MenuItem addItem(String caption) {
         return addItem(caption, null, null);
@@ -551,7 +551,7 @@ implements LegacyComponent, Focusable {
          * @param caption
          *            the text for the menu item
          *
-         * @since
+         * @since 8.4
          */
         public MenuBar.MenuItem addItem(String caption) {
             return addItem(caption, null, null);
@@ -1032,7 +1032,7 @@ implements LegacyComponent, Focusable {
          * Gets the menu bar this item is part of.
          *
          * @return the menu bar this item is attached to
-         * @since
+         * @since 8.4
          */
         public MenuBar getMenuBar() {
             return MenuBar.this;

shared/src/main/java/com/vaadin/shared/extension/PartInformationState.java

@@ -20,7 +20,7 @@ import com.vaadin.shared.communication.SharedState;
 /**
  * Shared state for {@code AbstractEventTriggerExtensionConnector} extension.
  *
- *  @since
+ *  @since 8.4
  */
 public class PartInformationState extends SharedState {
 

testbench-api/src/main/java/com/vaadin/testbench/elements/RadioButtonGroupElement.java

@@ -45,7 +45,7 @@ public class RadioButtonGroupElement extends AbstractSingleSelectElement {
      * Gets the list of option elements for this check box group.
      *
      * @return list of option elements
-     * @since
+     * @since 8.3.3
      */
     public List<WebElement> getOptionElements() {
         return findElements(bySelectOption);