[WICKET-7080] add remarks

wicket-core/src/main/java/org/apache/wicket/Component.java

@@ -4446,7 +4446,7 @@ public void onEvent(IEvent<?> event)
 	public final <T> void send(IEventSink sink, Broadcast type, T payload)
 	{
 		// if there are no event dispatchers then don't even try to send event
-		if (getApplication().getFrameworkSettings().hasAnyAnyEventDispatchers())
+		if (getApplication().getFrameworkSettings().hasAnyEventDispatchers())
 		{
 			new ComponentEventSender(this, getApplication().getFrameworkSettings()).send(sink, type,
 					payload);

wicket-core/src/main/java/org/apache/wicket/settings/FrameworkSettings.java

@@ -46,7 +46,9 @@
 public class FrameworkSettings implements IEventDispatcher
 {
 	/**
-	 *  Does the standard delivery of events. Override and do nothing if you want to disable it.
+	 *  Does the standard delivery of events. Events can be disabled at application level by setting a <code>null</code>
+	 *  {@link IEventDispatcher} via {@link #setDefaultEventDispatcher(IEventDispatcher)} and setting  no additional
+	 *  {@link IEventDispatcher}s (via {@link #add(IEventDispatcher)}).
 	 */
 	private static class DefaultEventDispatcher implements IEventDispatcher
 	{
@@ -152,7 +154,7 @@ public FrameworkSettings add(IEventDispatcher dispatcher)
 	/**
 	 * @return Returns <code>true</code> if there is at least one event dispatcher
 	 */
-	public final boolean hasAnyAnyEventDispatchers()
+	public final boolean hasAnyEventDispatchers()
 	{
 		if (defaultEventDispatcher != null)
 		{

wicket-core/src/test/java/org/apache/wicket/EventDispatcherTest.java

@@ -17,6 +17,7 @@
 package org.apache.wicket;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.lang.annotation.ElementType;
@@ -128,4 +129,51 @@ public void testCallback()
 		}
 	}
 
+	@Test
+	void noEventsDispatch()
+	{
+		tester.getApplication().getFrameworkSettings().setDefaultEventDispatcher(null);
+		MockPageWithOneComponent page = new MockPageWithOneComponent();
+		TestComponentI testComponent = new TestComponentI(MockPageWithOneComponent.COMPONENT_ID);
+		page.add(testComponent);
+		page.send(page, Broadcast.DEPTH, null);
+		assertFalse(testComponent.callbackInvoked);
+		assertEquals(testComponent.getBehaviors(TestBehavior.class).get(0).invocationTimes, 0);
+	}
+
+	public static class TestComponentI extends WebComponent
+	{
+		private static final long serialVersionUID = 1L;
+		boolean callbackInvoked;
+
+		/**
+		 * @param id
+		 */
+		TestComponentI(String id)
+		{
+			super(id);
+
+			add(new TestBehaviorI());
+		}
+
+		@Override
+		public void onEvent(IEvent<?> event) {
+			callbackInvoked = true;
+		}
+	}
+
+	private static class TestBehaviorI extends Behavior
+	{
+
+		private static final long serialVersionUID = 1;
+
+		int invocationTimes = 0;
+
+		@Override
+		public void onEvent(Component component, IEvent<?> event)
+		{
+			invocationTimes++;
+		}
+	}
+
 }