hostBindings: function HostBindingDir_HostBindings(rf, ctx) {
  if (rf & 2) {
    let $tmp_0$;
    let $tmp_1$;
    $r3$.ɵɵclassProp("a", ($tmp_0$ = ctx.value) !== null && $tmp_0$ !== undefined ? $tmp_0$ : "class-a")
                    ("b", ($tmp_1$ = ctx.value) !== null && $tmp_1$ !== undefined ? $tmp_1$ : "class-b");
  }
}
