@Override
        public Object[] getChildren(Object parentElement) {
            var children = getCachedChildren((DBNNode) parentElement);
            if (children != null) {
                return children;
            }
            return new Object[0];
        }
A {@link DBNNode}-oriented specialization of {@link BreadcrumbViewer}.
plugins/org.jkiss.dbeaver.ui.navigator/src/org/jkiss/dbeaver/ui/navigator/breadcrumb/NodeBreadcrumbViewer.java