HarmonyOS 基础手势单击和双击，如何只是识别双击而不识别单击？

// xxx.ets 
@Entry 
@Component 
struct TapGestureExample { 
  build() { 
    Column() { 
      Text('Click twice').fontSize(28) 
        .gesture(GestureGroup(GestureMode.Exclusive, 
          TapGesture({ count: 2 }) 
            .onAction((event?: GestureEvent) => { 
              console.log('TapGesture 2') 
            }), 
          TapGesture({ count: 1 }) 
            .onAction((event?: GestureEvent) => { 
              console.log('TapGesture 1') 
            }) 
        ) 
        ) 
    } 
  } 
}