HarmonyOS 重载函数类型的变量报错

重载函数类型的变量报错：

"SyntaxError: Unexpected super keyword[:1:6],The size of programs is expected to be 1, but is 0."
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示例代码：

export class Base {
  log: () => void = () => {
    console.log('log log')
  }
}

export class Hello extends Base {
  log: () => void = () => {
    super.log()
  }
}
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new Hello().log()报错。