Old control flow is supported in latest angular version 18?

This is the latest control flow in angular 18.

@if(condition) {
<button>If Condition</button>
}
@else {
<button>Else Condition</button>
}


And This is the old way.

<ng-container *ngIf="state1; else default">State 1 selected</ng-container>

<ng-template #default> No state is selected. </ng-template>


Does this old way is still valid in angular 18 or not?

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