<ng-container *ngIf="foo === 1;else second"></ng-container> <ng-template #second> <ng-container *ngIf="foo === 2;else third"></ng-container> </ng-template> <ng-template #third></ng-template>
<ng-container *ngIf="tipo_template === 0"> <!-- Conteúdo 0 aqui --> </ng-container> <ng-container *ngIf="tipo_template === 1"> <!-- Conteúdo 1 aqui --> </ng-container> <ng-container *ngIf="tipo_template === 2"> <!-- Conteúdo 2 aqui --> </ng-container>