syncthing/src/app/dialog/dialog.component.html

<div mat-dialog-content>
    <mat-list dense>
        <mat-list-item *ngFor='let message of messageService.messages'>{{message}}</mat-list-item>
    </mat-list>
    <button mat-button [mat-dialog-close] cdkFocusInitial>Close</button>
</div>