HarmonyOS ViewOutlineProvider在HarmonyOS中可以用什么替代

示例参考如下：

interface Slide {
  width: string
  color: string
}

@Entry
@Component
struct Index {
  @State backColor: Slide[] = [
    {
      width: "30",
      color: "#ffdd1575"
    },
    {
      width: "20",
      color: "#ffa4ef0b"
    },
    {
      width: "50",
      color: "#ff11c4e2"
    }
  ]

  build() {
    Column() {
      Row() {
        ForEach(this.backColor, (item: Slide, index) => {
          Text()
            .width(item.width + '%')
            .height("100%")
            .backgroundColor(item.color)
            .borderRadius({
              bottomLeft: index === 0 ? 10 : "",
              topLeft: index === 0 ? 10 : "",
              topRight: index === (this.backColor.length - 1) ? 10 : "",
              bottomRight: index === (this.backColor.length - 1) ? 10 : ""
            })
        })
      }
      .width('100%')
      .height(100)
      .backgroundColor("#ffea0c0c")
      .borderRadius(10)
    }
    .padding(20)
  }
}