return a.call(e.getAllAttributeNames(), t3) >= 0 ? ((n2 = this.delegate) != null && n2.inputControllerWillPerformFormatting(t3), this.withTargetDOMRange(function() {
              var e2;
              return (e2 = this.responder) != null ? e2.toggleCurrentAttribute(t3) : void 0;
            })) : void 0;