+ /**
+ * Convenience methods for when {@link #sendEvent(String, Map)} only requires
+ * one single parameter.
+ */
+ default void sendEvent(String topic, String param, Object value) {
+ Map<String, Object> properties = new HashMap<>();
+ properties.put(param, value);
+ sendEvent(topic, properties);
+ }
+
+ default void applyStyles(Object widget) {
+
+ }
+
+ default <T> T doAs(PrivilegedAction<T> action) {
+ throw new UnsupportedOperationException();
+ }
+
+ static CmsView getCmsView(Control parent) {