23 $component = $this->
ui->factory()->mainControls()->slate()->combined($item->getTitle(), $item->getSymbol());
24 foreach ($item->getChildren() as $child) {
28 $component_for_item = $child->getRenderer()->getComponentForItem($child);
29 if ($this->isComponentSupportedForCombinedSlate($component_for_item)) {
30 $component = $component->withAdditionalEntry($component_for_item);
An exception for terminatinating execution or to throw for unit testing.
A component is the most general form of an entity in the UI.