syncthing/next-gen-gui/src/app/list-toggle/list-toggle.component.html

<mat-button-toggle-group class="tui-button-toggle" name="fontStyle" aria-label="Font Style" value="folders">
    <mat-button-toggle value="folders" (click)="onSelect(listType.Folder)">Folders</mat-button-toggle>
    <mat-button-toggle value="devices" (click)="onSelect(listType.Device)">Devices</mat-button-toggle>
</mat-button-toggle-group>