@if (secondaryNavigation && (selectedRoot$ | async) !== (selected$ | async)) {
@if (secondaryNavigationLeadingContentTemplate || secondaryNavigationTrailingContentTemplate) {
}
@if ((selectedRoot$ | async)?.children; as children) { @for (child of children; track child) { } }
@if (secondaryNavigationTrailingContentTemplate) {
}
}